FZUS53 KGRR 181531 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1131 AM EDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-182100- Pentwater to Manistee MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 15 to 25 knots veering north after midnight. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 2 to 3 feet. .THURSDAY...Northeast winds 5 to 10 knots backing north 10 to 15 knots early in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ848-182100- Whitehall to Pentwater MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy fog. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 20 to 25 knots veering north 15 to 20 knots after midnight. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves around 1 foot. $$ LMZ847-182100- Grand Haven to Whitehall MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Waves 4 to 6 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots veering southwest early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 20 to 25 knots veering north after midnight. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 2 to 4 feet. .THURSDAY...East winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY...East winds 10 to 20 knots. Mostly cloudy. Waves around 1 foot. $$ LMZ846-182100- Holland to Grand Haven MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds 20 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY...South winds to 30 knots veering southwest 20 to 25 knots early in the afternoon. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds around 20 knots. Partly cloudy. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy. Wavesaround 1 foot. $$ LMZ845-182100- South Haven to Holland MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds 20 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .TONIGHT...South winds 15 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds to 30 knots. Partly sunny with a chance of showers and thunderstorms. Waves 4 to 6 feet. .TUESDAY NIGHT...West winds 15 to 20 knots veering northwest in the late evening and overnight. Partly cloudy with rain showers likely and a slight chance of thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ844-182100- St Joseph to South Haven MI- 1131 AM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .REST OF TODAY...South winds around 20 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 3 feet. .TONIGHT...South winds 15 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots. Partly sunny with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots becoming around 20 knots after midnight. Mostly cloudy with a slight chance of showers and thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 20 knots. Mostly sunny. Waves 3 to 5 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .FRIDAY...East winds 10 to 15 knots. Mostly cloudy with a chance of rain showers. Waves around 1 foot. $$