874 FZUS53 KDLH 171001 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 500 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-171600- Grand Portage to Grand Marais MN- 500 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots. Patchy fog early in the morning. Patchy fog late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Patchy fog in the evening. Rain likely and chance of thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-171600- Grand Marais to Taconite Harbor MN- 500 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 5 to 10 knots becoming north with gusts to around 30 knots late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Chance of rain and thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-171600- Taconite Harbor to Silver Bay Harbor MN- 500 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 5 to 10 knots becoming north with gusts to around 30 knots late in the afternoon. Patchy fog early in the morning. Patchy fog late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-171600- Silver Bay Harbor to Two Harbors MN- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-171600- Two Harbors to Duluth MN- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ145-171600- Duluth MN to Port Wing WI- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 30 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ146-171600- Port Wing to Sand Island WI- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots easing to 15 to 20 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 knots with gusts to around 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ147-171600- Sand Island to Bayfield WI- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of thunderstorms and slight chance of rain in the evening. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 20 to 25 knots. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ150-171600- Outer Apostle Islands Beyond 5 NM from Mainland- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE SATURDAY NIGHT... .TODAY...East wind 10 to 15 knots becoming west with gusts to around 25 knots late in the afternoon. Slight chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 20 to 25 knots. Patchy fog in the evening. Chance of rain and thunderstorms in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-171600- Chequamegon Bay-Bayfield to Oak Point WI- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots with gusts to around 20 knots becoming southwest with gusts to around 25 knots late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-171600- Oak Point to Saxon Harbor WI- 500 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late in the morning, then decreasing to 20 knots early in the afternoon increasing to 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  681 FZUS53 KMKX 171010 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 510 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-171600- Sheboygan to Port Washington WI- 510 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots with gusts to around 20 knots rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Widespread dense fog in the morning, then areas of dense fog late in the morning. Patchy dense fog in the afternoon. chance of showers and thunderstorms late in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .TONIGHT...South wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then veering southwest after midnight veering west early in the morning. Patchy fog through the night. showers and thunderstorms likely through around midnight. Chance of showers and thunderstorms after midnight. Waves 5 to 7 feet subsiding to 4 to 6 feet after midnight, then subsiding to 3 to 5 feet early in the morning. .SATURDAY...Northwest wind 10 to 20 knots backing west late in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 3 to 4 feet subsiding to 1 to 3 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 25 knots becoming 15 to 20 knots late in the evening, then becoming west 15 to 20 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ644-171600- Port Washington to North Point Light WI- 510 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots backing southeast late in the morning, then becoming south 15 to 20 knots with gusts to around 25 knots in the afternoon. Widespread dense fog in the morning, then patchy dense fog in the late morning and afternoon. slight chance of showers and thunderstorms late in the afternoon. Waves around 1 foot building to 3 to 5 feet in the afternoon. .TONIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms likely through around midnight. Chance of showers and thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. .SATURDAY...Northwest wind 10 to 20 knots backing west early in the afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon, then building to 2 to 4 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 25 knots becoming 15 to 20 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ645-171600- North Point Light to Wind Point WI- 510 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots backing southeast late in the morning, then rising to 15 to 20 knots with gusts to around 25 knots in the afternoon. Widespread dense fog in the morning, then patchy dense fog in the late morning and afternoon. slight chance of showers and thunderstorms late in the afternoon. Waves around 1 foot building to 3 to 4 feet in the afternoon. .TONIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms likely through around midnight. Chance of showers and thunderstorms after midnight. Waves 3 to 5 feet subsiding to 3 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 10 to 20 knots becoming 15 to 20 knots late in the morning, then backing west in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet late in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 2 feet in the late evening and overnight. $$ LMZ646-171600- Wind Point WI to Winthrop Harbor IL- 510 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Southeast wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots. Widespread dense fog in the morning, then patchy dense fog in the afternoon. Waves around 1 foot building to 3 to 4 feet late in the afternoon. .TONIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms through around midnight. Chance of showers and thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 4 feet in the late evening and overnight. .SATURDAY...Northwest wind 15 to 20 knots backing west in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Mostly clear. Waves 1 to 2 feet. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.  870 FZUS53 KGRR 171013 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 613 AM EDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-172000- Pentwater to Manistee MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...South winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves 2 to 3 feet. .TONIGHT...South winds to 30 knots veering southwest after midnight. Rain showers and a chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a slight chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .MONDAY...East winds around 10 knots veering southwest in the late morning and afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 6 to 8 feet. $$ LMZ848-172000- Whitehall to Pentwater MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...South winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves 2 to 3 feet. .TONIGHT...South winds to 30 knots veering southwest after midnight. Rain showers and a chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .MONDAY...East winds around 10 knots veering southwest early in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 6 to 9 feet. $$ LMZ847-172000- Grand Haven to Whitehall MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Southeast winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves 1 to 3 feet. .TONIGHT...South winds to 30 knots veering southwest after midnight. Rain showers and a chance of thunderstorms. Patchy dense fog. Waves 4 to 6 feet. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds 15 to 25 knots. Sunny. Waves 5 to 7 feet. .MONDAY...Northeast winds around 10 knots veering southwest early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 6 to 9 feet. $$ LMZ846-172000- Holland to Grand Haven MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves 1 to 2 feet. .TONIGHT...South winds to 30 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 2 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...Northeast winds around 10 knots veering southeast in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 6 to 8 feet. $$ LMZ845-172000- South Haven to Holland MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves around 1 foot. .TONIGHT...South winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...Northeast winds around 10 knots backing west early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. $$ LMZ844-172000- St Joseph to South Haven MI- 613 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY MORNING... .TODAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog in the morning. Waves 1 to 2 feet. .TONIGHT...South winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest winds 20 to 25 knots. Mostly clear. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Sunny. Waves 4 to 6 feet. .MONDAY...Northeast winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. $$  391 FZUS53 KDLH 171043 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 543 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-171600- Grand Portage to Grand Marais MN- 543 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots early in the morning. Patchy fog early in the morning. Patchy fog late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Patchy fog in the evening. Rain likely and chance of thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-171600- Grand Marais to Taconite Harbor MN- 543 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north 5 to 10 knots with gusts to around 30 knots late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Chance of rain and thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-171600- Taconite Harbor to Silver Bay Harbor MN- 543 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming north with gusts to around 30 knots late in the afternoon. Patchy fog early in the morning. Patchy fog late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-171600- Silver Bay Harbor to Two Harbors MN- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-171600- Two Harbors to Duluth MN- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ145-171600- Duluth MN to Port Wing WI- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 30 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ146-171600- Port Wing to Sand Island WI- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots easing to 15 to 20 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 knots with gusts to around 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ147-171600- Sand Island to Bayfield WI- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of thunderstorms and slight chance of rain in the evening. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 20 to 25 knots. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ150-171600- Outer Apostle Islands Beyond 5 NM from Mainland- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE SATURDAY NIGHT... .TODAY...East wind 10 to 15 knots becoming west with gusts to around 25 knots late in the afternoon. Slight chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 20 to 25 knots. Patchy fog in the evening. Chance of rain and thunderstorms in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-171600- Chequamegon Bay-Bayfield to Oak Point WI- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-171600- Oak Point to Saxon Harbor WI- 543 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  008 FZUS53 KDLH 171051 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 551 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-171600- Grand Portage to Grand Marais MN- 551 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots. Gusts up to 25 knots early in the morning. Patchy fog early in the morning. Patchy fog late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Patchy fog in the evening. Rain likely and chance of thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-171600- Grand Marais to Taconite Harbor MN- 551 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 10 to 15 knots with gusts to around 25 knots becoming north 5 to 10 knots with gusts to around 30 knots late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 30 knots after midnight. Chance of rain and thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-171600- Taconite Harbor to Silver Bay Harbor MN- 551 AM CDT Fri Apr 17 2026 ...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH THIS EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming north with gusts to around 30 knots late in the afternoon. Patchy fog early in the morning. Patchy fog late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-171600- Silver Bay Harbor to Two Harbors MN- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ144-171600- Two Harbors to Duluth MN- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ145-171600- Duluth MN to Port Wing WI- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 30 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Partly sunny. Waves 3 to 5 feet. .SATURDAY NIGHT...West wind 20 to 25 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ LSZ146-171600- Port Wing to Sand Island WI- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 3 to 5 feet in the late evening and overnight. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots easing to 15 to 20 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 knots with gusts to around 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ147-171600- Sand Island to Bayfield WI- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...East wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 20 to 25 knots. Chance of thunderstorms and slight chance of rain in the evening. Waves 1 to 2 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West wind 20 to 25 knots. Partly sunny. Waves 3 to 5 feet. Waves occasionally to 7 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots early in the morning. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. Note...Wave height forecasts are for ice free areas. $$ LSZ150-171600- Outer Apostle Islands Beyond 5 NM from Mainland- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH LATE SATURDAY NIGHT... .TODAY...East wind 10 to 15 knots becoming west with gusts to around 25 knots late in the afternoon. Slight chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 20 to 25 knots. Patchy fog in the evening. Chance of rain and thunderstorms in the evening. Waves 4 to 6 feet. Waves occasionally to 7 feet. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 8 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots early in the morning. Partly cloudy. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 8 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-171600- Chequamegon Bay-Bayfield to Oak Point WI- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 foot or less. .TONIGHT...West wind 10 to 15 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 25 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ148-171600- Oak Point to Saxon Harbor WI- 551 AM CDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .TODAY...South wind 10 to 15 knots with gusts to around 25 knots becoming southwest with gusts to around 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH