084 FZUS53 KGRR 180603 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 203 AM EDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-180800- Pentwater to Manistee MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds 15 to 25 knots. Rain showers likely and a slight chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a slight chance of rain showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots veering north early in the afternoon. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves 2 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 5 to 7 feet. .WEDNESDAY...Northeast winds 5 to 10 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ848-180800- Whitehall to Pentwater MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers likely and a slight chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds around 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 2 to 3 feet. .MONDAY...East winds 5 to 10 knots veering southwest 10 to 15 knots in the late morning and afternoon. Sunny. Waves around 1 foot. .TUESDAY...South winds to 30 knots decreasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 6 to 8 feet. .WEDNESDAY...Northeast winds around 10 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ847-180800- Grand Haven to Whitehall MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers and a slight chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...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 1 to 3 feet. .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. $$ LMZ846-180800- Holland to Grand Haven MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds around 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...West winds 20 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest winds 15 to 20 knots veering north 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...Northeast winds around 10 knots backing north in the late morning and early afternoon, then backing southwest early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...Southwest winds to 30 knots. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ845-180800- South Haven to Holland MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds around 25 knots. Rain showers and a chance of thunderstorms. Waves 2 to 3 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...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 1 to 3 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 around 10 knots backing north early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ844-180800- St Joseph to South Haven MI- 203 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds 20 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West winds 20 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest winds 10 to 20 knots veering northeast around 10 knots after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northeast winds 5 to 10 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .WEDNESDAY...Northeast winds around 10 knots backing north early in the afternoon. Sunny. Waves around 1 foot. $$  102 FZUS53 KMKX 180610 NSHMKX Nearshore Marine Forecast National Weather Service Milwaukee/Sullivan WI 110 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ643-180900- Sheboygan to Port Washington WI- 110 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers likely after midnight. Chance of showers early in the morning. Waves 3 to 4 feet. .SATURDAY...West wind 10 to 20 knots. Gusts up to 30 knots. Partly sunny. 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 10 to 20 knots with gusts to around 25 knots becoming 15 to 20 knots late in the evening, then easing to 10 to 15 knots after midnight. Mostly clear. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering north late in the afternoon. Slight chance of showers in the afternoon. Waves around 1 foot. $$ LMZ644-180900- Port Washington to North Point Light WI- 110 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers likely after midnight. Chance of showers early in the morning. Waves 2 to 4 feet. .SATURDAY...West wind 15 to 20 knots becoming 10 to 20 knots late in the morning, then becoming west 10 to 20 knots in the afternoon. Gusts up to 25 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 3 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest with gusts to around 20 knots late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet. $$ LMZ645-180900- North Point Light to Wind Point WI- 110 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers likely after midnight. Chance of showers early in the morning. Waves 2 to 4 feet. .SATURDAY...Northwest wind 15 to 20 knots backing west late in the afternoon. Gusts up to 25 knots. Partly sunny. Waves 2 to 4 feet subsiding to 1 to 2 feet in the afternoon. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots easing to 10 to 15 knots after midnight, then becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then clearing. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest with gusts to around 20 knots late in the afternoon. Slight chance of showers in the afternoon. Waves 1 to 2 feet. $$ LMZ646-180900- Wind Point WI to Winthrop Harbor IL- 110 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TONIGHT...Southwest wind 10 to 15 knots becoming west 15 to 20 knots early in the morning. Gusts up to 25 knots. Patchy dense fog through the night. showers after midnight. Rain showers likely early in the morning. Waves 2 to 4 feet. .SATURDAY...West wind 15 to 20 knots. Gusts up to 25 knots. Mostly cloudy in the morning then becoming mostly sunny. Waves 1 to 2 feet. .SATURDAY NIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming 10 to 20 knots late in the evening, then becoming 10 to 15 knots after midnight becoming west 10 to 15 knots early in the morning. Partly cloudy through around midnight then becoming clear. Waves 1 to 2 feet. .SUNDAY...West wind 10 to 15 knots veering northwest with gusts to around 20 knots late in the afternoon. Slight chance of showers in the afternoon. Waves around 1 foot. $$ See Lake Michigan Open Waters Forecast for Monday through Wednesday.  342 FZUS53 KDLH 180623 NSHDLH Nearshore Marine Forecast National Weather Service Duluth MN 123 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- 123 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .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 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 early in the morning. A small craft advisory may be needed. .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. $$ LSZ141-181600- Grand Marais to Taconite Harbor MN- 123 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .TODAY...West wind 20 to 25 knots. Gusts up to 25 knots increasing to 30 knots in the late morning and afternoon. Chance of flurries in the afternoon. Waves 2 to 4 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves 2 to 4 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 to 10 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ142-181600- Taconite Harbor to Silver Bay Harbor MN- 123 AM CDT Sat Apr 18 2026 ...GALE WARNING IN EFFECT UNTIL 3 AM CDT EARLY THIS MORNING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 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. Mostly cloudy in the evening then clearing. Waves 1 to 2 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. $$ LSZ143-181600- Silver Bay Harbor to Two Harbors MN- 123 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 25 knots. Partly sunny. Waves 1 to 3 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves 1 to 3 feet. .SUNDAY...Northwest wind 5 to 10 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ144-181600- Two Harbors to Duluth MN- 123 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 2 feet after midnight. .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. $$ LSZ145-181600- Duluth MN to Port Wing WI- 123 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 20 to 25 knots with gusts to around 30 knots. Chance of flurries early in the afternoon. Chance of sprinkles late in the afternoon. Waves 3 to 5 feet. .TONIGHT...West wind 20 to 25 knots with gusts to around 30 knots becoming northwest 10 to 15 knots with gusts to around 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots early in the morning. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming south early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ146-181600- Port Wing to Sand Island WI- 123 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 in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 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 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 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. $$ LSZ147-181600- Sand Island to Bayfield WI- 123 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots with gusts to around 30 knots. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 4 to 6 feet. Waves occasionally to 7 feet. .TONIGHT...Northwest wind 15 to 20 knots. Gusts up to 30 knots decreasing to 20 knots. Chance of sprinkles in the evening. Waves 3 to 5 feet subsiding to 1 to 2 feet. Waves occasionally to 7 feet. .SUNDAY...Northwest wind 10 to 15 knots with gusts to around 20 knots becoming west 5 knots late in the afternoon. Sunny. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest wind 5 knots becoming north after midnight, then becoming east early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ150-181600- Outer Apostle Islands Beyond 5 NM from Mainland- 123 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 6 feet subsiding to 2 to 4 feet after midnight. Waves occasionally to 8 feet. .SUNDAY...Northwest wind 10 to 15 knots. Gusts up to 20 knots until late afternoon. Sunny. Waves 1 to 3 feet. .SUNDAY NIGHT...Northwest wind 5 to 10 knots becoming northeast early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ121-181600- Chequamegon Bay-Bayfield to Oak Point WI- 123 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...West wind 15 to 20 knots. Gusts up to 25 knots increasing to 30 knots late in the afternoon. Chance of flurries in the afternoon. Chance of sprinkles late in the afternoon. Waves 1 to 2 feet. .TONIGHT...West wind 15 to 20 knots with gusts to around 25 knots becoming northwest 5 to 10 knots with gusts to around 20 knots after midnight. Chance of sprinkles in the evening. Waves 1 to 2 feet. .SUNDAY...Northwest wind 5 to 10 knots. Sunny. Waves 1 foot or less. .SUNDAY NIGHT...Northwest wind 5 knots becoming southwest early in the morning. Mostly clear. Waves 1 foot or less. Note...Wave height forecasts are for ice free areas. $$ LSZ148-181600- Oak Point to Saxon Harbor WI- 123 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. $$ Graphical marine forecasts are available online at: weather.gov/greatlakes WFO DLH  053 FZUS53 KGRR 180623 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 223 AM EDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-180800- Pentwater to Manistee MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds 15 to 25 knots. Rain showers likely and a slight chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a slight chance of rain showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West winds 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...Northwest winds 15 to 25 knots veering north early in the afternoon. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. .MONDAY...Northwest winds around 10 knots backing southwest in the late morning and afternoon. Sunny. Waves 1 to 2 feet. .TUESDAY...South winds to 30 knots decreasing to 15 to 20 knots early in the afternoon. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northeast winds 5 to 15 knots backing northwest early in the afternoon. Sunny. Waves 1 to 2 feet. $$ LMZ848-180800- Whitehall to Pentwater MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers likely and a slight chance of thunderstorms. Waves 3 to 5 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds around 25 knots. Partly cloudy. Waves 3 to 5 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 6 to 8 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ847-180800- Grand Haven to Whitehall MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers and a slight chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds around 25 knots. Partly cloudy. Waves 4 to 6 feet. .SUNDAY...Northwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northeast winds around 10 knots backing west in the late morning and early afternoon, then backing southwest early in the afternoon. Sunny. Waves 1 foot or less. .TUESDAY...South winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northeast winds around 10 knots backing northwest early in the afternoon. Sunny. Waves 1 foot or less. $$ LMZ846-180800- Holland to Grand Haven MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds to 30 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...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 subsiding to 1 to 3 feet in the late evening and overnight. .MONDAY...Northeast winds around 10 knots backing north in the late morning and early afternoon, then backing southwest early in the afternoon. Sunny. Waves around 1 foot. .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 around 1 foot. $$ LMZ845-180800- South Haven to Holland MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds around 25 knots. Rain showers and a chance of thunderstorms. Waves 2 to 3 feet. .SATURDAY...West winds to 30 knots. Partly sunny with a chance of rain showers. Waves 4 to 6 feet. .SATURDAY NIGHT...West winds 20 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...West winds 20 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .SUNDAY NIGHT...Northwest winds 10 to 20 knots veering northeast after midnight. Mostly clear. Waves 1 to 3 feet. .MONDAY...Northeast winds 5 to 10 knots backing north in the late morning and early afternoon, then backing west early in the afternoon. Sunny. Waves around 1 foot. .TUESDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Sunny. Waves around 1 foot. $$ LMZ844-180800- St Joseph to South Haven MI- 223 AM EDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...Southwest winds 20 to 25 knots. Rain showers and a chance of thunderstorms. Waves 2 to 4 feet. .SATURDAY...West winds 20 to 25 knots. Partly sunny with a chance of rain showers. Waves 3 to 5 feet. .SATURDAY NIGHT...West winds 20 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .SUNDAY...West winds 15 to 20 knots. Mostly sunny. Waves 3 to 5 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 around 1 foot. $$  558 FZUS53 KGRB 180625 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 124 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 124 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...W wind 10 to 20 kts veering NW after midnight. Waves 1 to 3 ft. Patchy fog. showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of sprinkles in the morning. A slight chance of snow showers. A slight chance of showers in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ LMZ521-181000- 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- 124 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 15 kts veering NW 10 to 20 kts after midnight. Waves 1 to 3 ft. Patchy dense fog. showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 124 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Patchy dense fog. showers likely and a slight chance of thunderstorms. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 124 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering W 15 to 25 kts after midnight. Waves 4 to 7 ft. Patchy dense fog. showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...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. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.  416 FZUS53 KGRB 180657 NSHGRB Nearshore Marine Forecast National Weather Service Green Bay WI 156 AM CDT Sat Apr 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ522-181000- Green Bay south of line from Oconto WI to Little Sturgeon Bay WI- 156 AM CDT Sat Apr 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...W wind 10 to 20 kts veering NW after midnight. Waves 1 to 3 ft. Patchy fog. showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 1 to 3 ft. A chance of sprinkles in the morning. A slight chance of snow showers. A slight chance of showers in the afternoon. A Small Craft Advisory may be needed. .SATURDAY NIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Mostly clear. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. A chance of flurries in the morning. A chance of sprinkles. $$ LMZ521-181000- 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- 156 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 15 kts veering NW 10 to 20 kts after midnight. Waves 1 to 3 ft. Patchy dense fog. showers likely. .SATURDAY...W wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly cloudy. $$ LMZ541-181000- Rock Island Passage to Sturgeon Bay WI- 156 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...S wind 15 to 25 kts veering NW after midnight. Waves 4 to 7 ft. Patchy dense fog. showers likely and a slight chance of thunderstorms. .SATURDAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly cloudy. .SUNDAY...NW wind 10 to 15 kts veering N early in the afternoon. Waves 2 ft or less. Partly sunny. $$ LMZ542-543-181000- Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI- 156 AM CDT Sat Apr 18 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING... .REST OF THE NIGHT...SW wind 10 to 20 kts veering W 15 to 25 kts after midnight. Waves 4 to 7 ft. Patchy dense fog. showers likely. .SATURDAY...W wind 15 to 25 kts. Waves 2 to 4 ft subsiding to 1 to 3 ft in the afternoon. A slight chance of rain and snow showers. .SATURDAY NIGHT...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. $$ See Lake Michigan Open Lake Forecast for Monday through Wednesday. Wave height forecast is for ice free areas.