FZUS53 KGRR 181336 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 936 AM EDT Sat Jul 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-182100- Pentwater to Manistee MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...North winds 15 to 25 knots. Mostly sunny. A slight chance of showers and thunderstorms late in the morning. Patchy smoke late in the morning, then areas of smoke in the afternoon. Waves 3 to 5 feet. .TONIGHT...North winds to 30 knots becoming northeast 5 to 15 knots after midnight. Mostly clear. Patchy smoke. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight. .SUNDAY...Northeast winds 5 to 10 knots backing northwest 10 to 15 knots early in the afternoon. Mostly sunny. Areas of smoke. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest winds 5 to 15 knots backing south in the late evening and overnight. Mostly clear. Waves 1 to 2 feet. .MONDAY...South winds to 30 knots. Partly sunny. Waves 2 to 3 feet building to 5 to 7 feet. .TUESDAY...Northwest winds to 30 knots. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...North gales to 35 knots decreasing to 30 knots in the late morning and afternoon. Mostly sunny. Waves 7 to 10 feet. $$ LMZ848-182100- Whitehall to Pentwater MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northwest winds to 30 knots. Partly sunny late in the morning then clearing. A chance of rain showers and a slight chance of thunderstorms late in the morning. Areas of smoke in the afternoon. Waves 3 to 5 feet. .TONIGHT...North winds to 30 knots becoming northeast 10 to 15 knots after midnight. Mostly clear. Patchy smoke. Waves 4 to 6 feet subsiding to 2 to 3 feet after midnight. .SUNDAY...Northeast winds 5 to 10 knots backing northwest 10 to 15 knots early in the afternoon. Sunny. Areas of smoke. Waves 1 to 2 feet. .SUNDAY NIGHT...Northwest winds 5 to 15 knots veering southeast in the late evening and early morning, then veering south after midnight. Partly cloudy. Waves around 1 foot. .MONDAY...South winds 10 to 20 knots increasing to 30 knots in the late morning and afternoon. Partly sunny. Waves 2 to 3 feet building to 5 to 7 feet. .TUESDAY...Northwest winds to 30 knots becoming gales to 35 knots early in the afternoon. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northwest gales to 35 knots. Mostly sunny. Waves 7 to 11 feet. $$ LMZ847-182100- Grand Haven to Whitehall MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...Northwest winds to 30 knots. Partly sunny late in the morning then clearing. A chance of showers and thunderstorms late in the morning. Patchy smoke in the afternoon. Waves 3 to 5 feet. .TONIGHT...North winds to 30 knots becoming northeast 10 to 15 knots after midnight. Mostly clear. Areas of smoke. Waves 3 to 5 feet subsiding to 1 to 2 feet after midnight. .SUNDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Areas of smoke. Waves around 1 foot. .SUNDAY NIGHT...Northwest winds 5 to 15 knots veering northeast in the late evening and early morning, then veering south after midnight. Mostly clear. Patchy smoke. Waves around 1 foot. .MONDAY...South winds to 30 knots. Partly sunny. Waves 2 to 3 feet building to 4 to 6 feet. .TUESDAY...West winds to 30 knots veering northwest in the late morning and afternoon. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...North gales to 35 knots backing northwest to 30 knots in the late morning and early afternoon, then increasing to gales to 35 knots early in the afternoon. Mostly sunny. Waves 6 to 9 feet. $$ LMZ846-182100- Holland to Grand Haven MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...West winds 20 to 25 knots veering northwest early in the afternoon. Mostly sunny with a chance of showers and thunderstorms. Patchy smoke in the afternoon. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots after midnight. Mostly clear. Areas of smoke. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .SUNDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Sunny. Areas of smoke. Waves around 1 foot. .SUNDAY NIGHT...Northwest winds 5 to 15 knots veering northeast in the late evening and early morning, then veering south after midnight. Mostly clear. Patchy smoke. Waves around 1 foot. .MONDAY...South winds 10 to 20 knots veering southwest 20 to 25 knots early in the afternoon. Partly sunny. Waves 2 to 4 feet. .TUESDAY...West winds around 25 knots veering northwest early in the afternoon. Mostly sunny. Waves 5 to 7 feet. .WEDNESDAY...Northwest winds to 30 knots. Mostly sunny. Waves 6 to 9 feet. $$ LMZ845-182100- South Haven to Holland MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...West winds 20 to 25 knots veering northwest early in the afternoon. Mostly sunny with a chance of rain showers and a slight chance of thunderstorms. Patchy smoke in the afternoon. Waves 3 to 5 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots after midnight. Mostly clear. Areas of smoke. Waves 4 to 6 feet. .SUNDAY...Northeast winds 5 to 15 knots backing northwest early in the afternoon. Sunny. Patchy smoke. Waves 1 to 2 feet. .SUNDAY NIGHT...North winds 10 to 15 knots veering northeast 5 to 10 knots in the late evening and early morning, then veering southeast after midnight. Mostly clear. Patchy smoke. Waves around 1 foot. .MONDAY...South winds 10 to 20 knots. Mostly sunny. Waves 1 to 3 feet. .TUESDAY...West winds around 25 knots veering northwest in the late morning and afternoon. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY...Northwest winds to 30 knots. Mostly sunny. Waves 6 to 9 feet. $$ LMZ844-182100- St Joseph to South Haven MI- 936 AM EDT Sat Jul 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...West winds 15 to 20 knots veering north early in the afternoon. Mostly sunny with a chance of showers and thunderstorms. Patchy smoke in the afternoon. Waves 2 to 4 feet. .TONIGHT...North winds 15 to 25 knots veering northeast 10 to 20 knots after midnight. Mostly clear. Areas of smoke. Waves 4 to 6 feet. .SUNDAY...Northeast winds 5 to 10 knots backing north 10 to 15 knots early in the afternoon. Sunny. Patchy smoke. Waves 2 to 3 feet. .SUNDAY NIGHT...North winds around 10 knots veering southeast after midnight. Mostly clear. Patchy smoke. Waves 1 foot or less. .MONDAY...South winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .TUESDAY...Southwest winds 20 to 25 knots veering northwest in the late morning and afternoon. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY...Northwest winds to 30 knots. Mostly sunny. Waves 7 to 10 feet. $$