110 FZUS53 KGRR 181103 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 703 AM EDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-182000- Pentwater to Manistee MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds to 30 knots. Cloudy with a slight chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 3 to 5 feet. .TONIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots veering north early in the afternoon. Mostly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northwest winds around 10 knots backing southwest in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...South winds to 30 knots decreasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY...Northeast winds 5 to 15 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ848-182000- Whitehall to Pentwater MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds to 30 knots. Cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 4 to 6 feet. .TONIGHT...West winds around 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 3 feet. .MONDAY...East winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves around 1 foot. .TUESDAY...South winds to 30 knots decreasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ847-182000- Grand Haven to Whitehall MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds to 30 knots. Cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 4 to 6 feet. .TONIGHT...West winds around 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...Northeast winds around 10 knots backing west in the late morning and early afternoon, then backing southwest early in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northeast winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ846-182000- Holland to Grand Haven MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds to 30 knots. Cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 4 to 6 feet. .TONIGHT...West winds around 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...West winds 20 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots veering north 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 to 4 feet. .MONDAY...Northeast winds around 10 knots backing north in the late morning and early afternoon, then backing southwest early in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ845-182000- South Haven to Holland MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds to 30 knots. Cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 4 to 6 feet. .TONIGHT...West winds 20 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...West winds 20 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 4 feet. .MONDAY...Northeast winds 5 to 10 knots backing north in the late morning and early afternoon, then backing west early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ844-182000- St Joseph to South Haven MI- 703 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TODAY...West winds 20 to 25 knots. Mostly cloudy with a chance of rain showers in the morning, then mostly sunny in the afternoon. Waves 4 to 6 feet. .TONIGHT...West winds 20 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny. Waves 2 to 4 feet. .SUNDAY NIGHT...Northwest winds 10 to 20 knots veering northeast around 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northeast winds 5 to 10 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing north 5 to 10 knots early in the afternoon. Sunny. Waves 1 to 2 feet. $$  692 FZUS53 KDLH 181109 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 609 AM CDT Sat Apr 18 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. LSZ140-181600- Grand Portage to Grand Marais MN- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Partly sunny. Waves 2 to 4 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 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. .SUNDAY...Northwest wind 10 to 15 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181600- Duluth MN to Port Wing WI- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries early in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181600- Sand Island to Bayfield WI- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles and flurries in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 9 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 609 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Chance of sprinkles and flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  194 FZUS53 KGRB 181119 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 619 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ521-522-181600- Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 619 AM CDT Sat Apr 18 2026 .TODAY...W wind 10 to 20 kts. Waves 1 to 3 ft. A chance of sprinkles. .TONIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. .SUNDAY NIGHT...N wind 5 to 10 kts backing W after midnight. Waves 2 ft or less. Clear. $$ LMZ541-181600- Rock Island Passage to Sturgeon Bay WI- 619 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...W wind 10 to 20 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A chance of sprinkles. .TONIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy in the evening then becoming partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly sunny. .SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after midnight. Waves 2 ft or less. Clear. $$ LMZ542-543-181600- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 619 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A chance of sprinkles. .TONIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the late evening and overnight. Waves 1 to 3 ft. Mostly clear. A Small Craft Advisory may be needed. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. .SUNDAY NIGHT...NE wind 10 to 15 kts backing N 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  244 FZUS53 KDLH 181123 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 623 AM CDT Sat Apr 18 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. LSZ140-181600- Grand Portage to Grand Marais MN- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 20 to 25 knots. Gusts up to 30 knots decreasing to 25 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots in the late morning and afternoon. Mostly sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 3 to 5 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Chance of flurries early in the afternoon. Waves 1 to 2 feet building to 1 to 3 feet in the afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then clearing. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Chance of flurries early in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet in the late morning and afternoon. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet subsiding to 1 to 2 feet in the late evening and overnight. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries early in the afternoon. Waves 2 to 4 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 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. .SUNDAY...Northwest wind 10 to 15 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ145-181600- Duluth MN to Port Wing WI- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries and sprinkles in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ147-181600- Sand Island to Bayfield WI- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 8 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles in the evening. Waves 4 to 6 feet subsiding to 1 to 3 feet. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 7 feet. Waves occasionally to 9 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles and flurries in the evening. Waves 4 to 7 feet subsiding to 2 to 4 feet early in the morning. Waves occasionally to 9 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 to 2 feet. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 623 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 25 knots decreasing to 20 knots after midnight. Chance of sprinkles and flurries in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH