696 FZUS53 KMKX 170610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-170900- Sheboygan to Port Washington WI- 110 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... .REST OF TONIGHT...South wind 5 to 10 knots. Widespread dense fog. Waves around 1 foot. .FRIDAY...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 patchy dense fog in the afternoon. chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 3 to 5 feet in the afternoon. .FRIDAY NIGHT...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. $$ LMZ644-170900- Port Washington to North Point Light WI- 110 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 5 to 10 knots. Widespread dense fog. Waves around 1 foot. .FRIDAY...South wind 10 to 15 knots backing southeast late in the morning, then becoming south 15 to 20 knots with gusts to around 25 knots in the afternoon. Widespread dense fog in the morning, then patchy dense fog in the afternoon. slight chance of showers and thunderstorms in the afternoon. Waves around 1 foot building to 3 to 5 feet in the afternoon. .FRIDAY NIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms likely through around midnight. Chance of showers and thunderstorms after midnight. Waves 4 to 6 feet subsiding to 3 to 5 feet after midnight. .SATURDAY...Northwest wind 10 to 20 knots backing west early in the afternoon, then becoming 15 to 20 knots late in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the afternoon, then building to 2 to 4 feet late in the afternoon. $$ LMZ645-170900- North Point Light to Wind Point WI- 110 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... .REST OF TONIGHT...Southeast wind 5 knots becoming south early in the morning. Widespread dense fog. Waves around 1 foot. .FRIDAY...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 afternoon. Waves around 1 foot building to 3 to 4 feet in the afternoon. .FRIDAY NIGHT...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. $$ LMZ646-170900- Wind Point WI to Winthrop Harbor IL- 110 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH SATURDAY EVENING... .REST OF TONIGHT...South wind 5 knots rising to 5 to 10 knots early in the morning. Widespread dense fog. Waves around 1 foot. .FRIDAY...Southeast wind 5 to 10 knots rising to 15 to 20 knots with gusts to around 25 knots. Widespread dense fog in the morning, then patchy dense fog in the afternoon. Waves around 1 foot building to 3 to 4 feet late in the afternoon. .FRIDAY NIGHT...South wind 15 to 20 knots veering west early in the morning. Gusts up to 25 knots. Patchy fog through the night. showers and thunderstorms through around midnight. Chance of showers and thunderstorms after midnight. Waves 3 to 4 feet. .SATURDAY...Northwest wind 15 to 20 knots backing west in the afternoon. Gusts up to 25 knots. Partly sunny in the morning then clearing. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. $$ See Lake Michigan Open Waters Forecast for Sunday through Tuesday.  708 FZUS53 KGRR 170613 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 213 AM EDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-170800- Pentwater to Manistee MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...South winds 5 to 10 knots. Partly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...South winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves 2 to 3 feet. .FRIDAY NIGHT...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. $$ LMZ848-170800- Whitehall to Pentwater MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...South winds around 5 knots. Mostly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...South winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves 1 to 3 feet. .FRIDAY NIGHT...South winds to 30 knots veering southwest after midnight. Rain showers and a chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. .MONDAY...East winds around 10 knots veering southwest early in the afternoon. Sunny. Waves 1 to 3 feet. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 6 to 9 feet. $$ LMZ847-170800- Grand Haven to Whitehall MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...Southwest winds around 5 knots. Mostly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...Southeast winds 5 to 15 knots increasing to 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves 1 to 2 feet. .FRIDAY NIGHT...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. $$ LMZ846-170800- Holland to Grand Haven MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...Southwest winds around 5 knots. Mostly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves 1 to 2 feet. .FRIDAY NIGHT...South winds to 30 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 2 to 3 feet building to 3 to 5 feet in the late evening and overnight. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds to 30 knots. Partly cloudy. Waves 5 to 7 feet. .SUNDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .MONDAY...Northeast winds around 10 knots veering southeast in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 6 to 8 feet. $$ LMZ845-170800- South Haven to Holland MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...Southwest winds around 5 knots. Mostly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves around 1 foot. .FRIDAY NIGHT...South winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 1 to 2 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. $$ LMZ844-170800- St Joseph to South Haven MI- 213 AM EDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING... .REST OF TONIGHT...South winds around 5 knots. Mostly cloudy. Widespread dense fog. Waves 1 foot or less. .FRIDAY...Southeast winds 5 to 15 knots veering south 15 to 20 knots early in the afternoon. Partly sunny. Widespread dense fog. Waves 1 foot or less. .FRIDAY NIGHT...South winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Patchy fog. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...Northwest winds 20 to 25 knots. Mostly clear. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Sunny. Waves 4 to 6 feet. .MONDAY...Northeast winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. $$  761 FZUS53 KAPX 170620 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 220 AM EDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lakes Huron... Michigan and 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. LSZ321-171600- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread dense fog. Waves 2 feet or less. .TODAY...Southeast wind 15 to 20 knots. Widespread fog. Waves 2 to 4 feet. .TONIGHT...Southeast wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...Northwest wind 15 to 25 knots. Scattered rain and snow showers. Waves 6 to 9 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-171600- St. Marys River Point Iroquois to E. Potagannissing Bay- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. .TODAY...Southeast wind 15 to 20 knots. Widespread fog. .TONIGHT...Southeast wind 15 to 20 knots. Rain and a chance of thunderstorms. .SATURDAY...Northwest wind 15 to 25 knots. Scattered rain and snow showers. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-171600- Seul Choix Point to 5NM West of Mackinac Bridge- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread dense fog. Waves 2 feet or less. .TODAY...Southeast wind 10 to 15 knots. Widespread fog. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...Northwest wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-171600- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...Southeast wind 10 to 15 knots. Widespread fog. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-171600- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...Southeast wind 10 to 15 knots. Widespread fog. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-171600- Sleeping Bear Point to Grand Traverse Light MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...South wind 10 to 15 knots. Widespread fog. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-171600- Point Betsie to Sleeping Bear Point MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...South wind 10 to 15 knots. Widespread dense fog. Waves 2 feet or less. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West wind 10 to 15 knots. Scattered snow showers. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-171600- Manistee to Point Betsie MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread dense fog. Waves 2 feet or less. .TODAY...South wind 15 to 20 knots. Widespread dense fog. Waves 2 feet or less. .TONIGHT...South wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Scattered snow showers. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-171600- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...East wind 15 to 20 knots. Widespread fog. Waves 2 to 4 feet. .TONIGHT...South wind 10 to 20 knots. Rain and a chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-171600- St Ignace to False Detour Channel- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...Southeast wind 15 to 20 knots. Widespread fog. Waves 3 to 5 feet. .TONIGHT...Southeast wind 15 to 25 knots. Rain and a chance of thunderstorms. Waves 4 to 7 feet. .SATURDAY...Northwest wind 10 to 20 knots. Scattered rain and snow showers. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-171600- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Southeast wind 5 to 10 knots. Widespread fog. Waves 2 feet or less. .TODAY...Southeast wind 15 to 20 knots. Widespread fog. Waves 2 to 4 feet. .TONIGHT...Southeast wind 10 to 20 knots. Rain likely and a chance of thunderstorms. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 20 knots. Scattered rain and snow showers. Waves 3 to 5 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-171600- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Light winds. Widespread fog. Waves 2 feet or less. .TODAY...Southeast wind 10 to 15 knots. Patchy fog. Waves 2 to 3 feet. .TONIGHT...South wind 15 to 25 knots. Rain likely and a chance of thunderstorms. Waves 4 to 7 feet. .SATURDAY...West wind 10 to 20 knots. Numerous showers and scattered snow showers. Waves 4 to 7 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-171600- Sturgeon Pt to Alabaster MI- 220 AM EDT Fri Apr 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE SUNDAY NIGHT... .REST OF THE OVERNIGHT...Light winds. Widespread dense fog. Waves 2 feet or less. .TODAY...Southeast wind 10 to 15 knots. Widespread dense fog. Waves 2 feet or less. .TONIGHT...South wind 15 to 25 knots. Rain likely and a chance of thunderstorms. Waves 4 to 6 feet. .SATURDAY...West wind 15 to 25 knots. Numerous showers. Waves 4 to 6 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ HAD  153 FZUS53 KDLH 170623 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 123 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. LSZ140-171600- Grand Portage to Grand Marais MN- 123 AM CDT Fri Apr 17 2026 .TODAY...Northeast wind 10 to 15 knots. Patchy fog early in the morning. Patchy fog late in the afternoon. Chance of rain and slight chance of thunderstorms early in the afternoon. Rain and chance of thunderstorms late in the afternoon. Waves 1 to 3 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Patchy fog in the evening. Rain likely and chance of thunderstorms in the evening. Waves 1 to 3 feet. A gale warning may be needed. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots early in the morning. Mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ141-171600- Grand Marais to Taconite Harbor MN- 123 AM CDT Fri Apr 17 2026 .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 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .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 1 to 3 feet. A gale warning may be needed. .SATURDAY...West wind 15 to 20 knots with gusts to around 30 knots. Mostly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. Note...Wave height forecasts are for ice free areas. $$ LSZ142-171600- Taconite Harbor to Silver Bay Harbor MN- 123 AM CDT Fri Apr 17 2026 .TODAY...Northeast wind 5 to 10 knots becoming north with gusts to around 30 knots late in the afternoon. Patchy fog early in the morning. Patchy fog late in the afternoon. Rain likely early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .TONIGHT...West wind 15 to 20 knots. Gusts up to 35 knots decreasing to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet. A gale warning may be needed. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Mostly sunny. Waves 1 to 3 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ143-171600- Silver Bay Harbor to Two Harbors MN- 123 AM CDT Fri Apr 17 2026 .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 3 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. $$ LSZ144-171600- Two Harbors to Duluth MN- 123 AM CDT Fri Apr 17 2026 .TODAY...Northeast wind 5 to 10 knots with gusts to around 20 knots becoming northwest 10 to 15 knots with gusts to around 25 knots late in the afternoon. Slight chance of rain late in the morning. Rain and chance of thunderstorms in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 30 knots decreasing to 25 knots in the late morning and afternoon. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 20 to 25 knots easing to 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ145-171600- Duluth MN to Port Wing WI- 123 AM CDT Fri Apr 17 2026 .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 3 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 2 to 4 feet. A small craft advisory may be needed. .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. A small craft advisory may be needed. .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 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ146-171600- Port Wing to Sand Island WI- 123 AM CDT Fri Apr 17 2026 .TODAY...Northeast wind 5 to 10 knots becoming northwest 10 to 15 knots with gusts to around 20 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 20 to 25 knots. Chance of rain and thunderstorms in the evening. Waves 1 to 2 feet building to 2 to 4 feet in the late evening and overnight. A small craft advisory may be needed. .SATURDAY...West wind 20 to 25 knots easing to 15 to 20 knots in the late morning and afternoon. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 10 knots with gusts to around 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 2 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ147-171600- Sand Island to Bayfield WI- 123 AM CDT Fri Apr 17 2026 .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 3 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 2 to 4 feet after midnight. A small craft advisory may be needed. .SATURDAY...West wind 20 to 25 knots. Partly sunny. Waves 3 to 5 feet. A small craft advisory may be needed. .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 3 feet early in the morning. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ150-171600- Outer Apostle Islands Beyond 5 NM from Mainland- 123 AM CDT Fri Apr 17 2026 .TODAY...East wind 10 to 15 knots becoming west with gusts to around 25 knots late in the afternoon. Slight chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Patchy fog late in the afternoon. Waves 1 to 3 feet. .TONIGHT...West wind 20 to 25 knots. Patchy fog in the evening. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet building to 2 to 4 feet after midnight. A small craft advisory may be needed. .SATURDAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 4 to 6 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots early in the morning. Partly cloudy. Waves 3 to 5 feet. Waves occasionally to 7 feet. A small craft advisory may be needed. Note...Wave height forecasts are for ice free areas. $$ LSZ121-171600- Chequamegon Bay-Bayfield to Oak Point WI- 123 AM CDT Fri Apr 17 2026 .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 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-171600- Oak Point to Saxon Harbor WI- 123 AM CDT Fri Apr 17 2026 .TODAY...South wind 10 to 15 knots. Gusts up to 20 knots increasing to 25 knots late in the morning, then decreasing to 20 knots early in the afternoon increasing to 25 knots late in the afternoon. Chance of rain early in the afternoon. Chance of thunderstorms in the afternoon. Rain late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots. Gusts up to 20 knots increasing to 25 knots in the late evening and overnight. Chance of rain and thunderstorms in the evening. Waves 1 to 3 feet. .SATURDAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 2 to 4 feet. .SATURDAY NIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  891 FZUS53 KGRB 170624 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 124 AM CDT Fri Apr 17 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-171000- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 124 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .REST OF THE NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Areas of dense fog. .FRIDAY...S wind 5 to 10 kts increasing to 15 to 25 kts in the late morning and afternoon. Waves 2 to 4 ft. Patchy fog in the morning. a chance of showers and a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...S wind 15 to 25 kts veering W 10 to 20 kts after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. Rain showers and a chance of thunderstorms in the evening. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly cloudy. A Small Craft Advisory may be needed. $$ LMZ541-171000- Rock Island Passage to Sturgeon Bay WI- 124 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY MORNING... .REST OF THE NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Widespread dense fog. .FRIDAY...S wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Areas of dense fog in the morning. .FRIDAY NIGHT...S wind 15 to 25 kts veering W after midnight. Waves 4 to 7 ft. Rain showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. $$ LMZ542-543-171000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 124 AM CDT Fri Apr 17 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH SATURDAY MORNING... .REST OF THE NIGHT...S wind 5 to 10 kts. Waves 2 ft or less. Widespread dense fog. .FRIDAY...S wind 10 to 15 kts increasing to to 30 kts in the late morning and afternoon. Waves 1 to 3 ft building to 4 to 7 ft in the afternoon. Areas of dense fog in the morning. a slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...S wind to 30 kts veering W 15 to 25 kts after midnight. Waves 5 to 8 ft subsiding to 4 to 7 ft after midnight. Rain showers and a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...W wind 15 to 25 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. Partly cloudy. $$ See Lake Michigan Open Lake Forecast for Sunday through Tuesday. Wave height forecast is for ice free areas.