FZUS53 KGRR 181709 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 108 PM EDT Mon May 18 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-190800- Pentwater to Manistee MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...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. Partly cloudy with a slight chance of showers and thunderstorms in the evening, then rain showers likely and a chance of thunderstorms after midnight. Patchy fog after midnight. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...West winds 10 to 20 knots veering north in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 20 knots decreasing to 5 to 10 knots after midnight. Partly cloudy. Waves 1 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. .SATURDAY...Northeast winds 10 to 15 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ848-190800- Whitehall to Pentwater MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...South winds 20 to 25 knots. Mostly cloudy with a chance of thunderstorms and a slight chance of rain showers. Waves 4 to 6 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy fog after midnight. Waves 4 to 6 feet. .TUESDAY...South winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...West winds 20 to 25 knots veering north 15 to 20 knots in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 to 3 feet. .THURSDAY...Northeast winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 10 to 20 knots. Mostly cloudy. Waves around 1 foot. .SATURDAY...Northeast winds 15 to 20 knots. Mostly cloudy. Waves 1 foot or less. $$ LMZ847-190800- Grand Haven to Whitehall MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...South winds 20 to 25 knots. Rain showers likely and a chance of thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy fog after midnight. Waves 4 to 6 feet. .TUESDAY...Southwest winds to 30 knots. 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. Mostly cloudy. Waves 3 to 5 feet. .WEDNESDAY...North winds 15 to 25 knots. Sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. .THURSDAY...East winds 10 to 15 knots backing north early in the afternoon. Mostly sunny. Waves 1 foot or less. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy. Waves around 1 foot. .SATURDAY...East winds 15 to 20 knots backing northeast 10 to 15 knots early in the afternoon. Mostly cloudy. Waves 1 foot or less. $$ LMZ846-190800- Holland to Grand Haven MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...South winds 20 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TONIGHT...South winds to 30 knots. Mostly cloudy with a chance of showers and thunderstorms. Patchy fog after midnight. Waves 3 to 5 feet. .TUESDAY...Southwest winds to 30 knots. Rain showers likely and a chance of thunderstorms. Patchy fog. Waves 5 to 7 feet. .TUESDAY NIGHT...Northwest winds 15 to 20 knots veering north after midnight. Mostly cloudy. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast around 15 knots after midnight. Partly cloudy. Waves 2 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy. Waves around 1 foot. .SATURDAY...East winds 15 to 20 knots backing north 10 to 15 knots early in the afternoon. Mostly cloudy. Waves 1 foot or less. $$ LMZ845-190800- South Haven to Holland MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...South winds around 20 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...Northwest winds 15 to 20 knots veering north after midnight. Mostly 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. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast around 15 knots after midnight. Partly cloudy. Waves 3 to 5 feet subsiding to 1 to 3 feet after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves around 1 foot. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy with a chance of rain showers. Waves 1 foot or less. .SATURDAY...Northeast winds 10 to 15 knots backing northwest early in the afternoon. Mostly cloudy. Waves less than 1 foot. $$ LMZ844-190800- St Joseph to South Haven MI- 108 PM EDT Mon May 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... .THROUGH EARLY EVENING...Southwest winds around 20 knots. Rain showers likely and a chance of thunderstorms. Waves 2 to 3 feet. .TONIGHT...South winds 15 to 25 knots. Mostly cloudy with a chance of showers and thunderstorms. Waves 2 to 4 feet. .TUESDAY...Southwest winds 20 to 25 knots. Partly sunny with a chance of showers and thunderstorms. Waves 3 to 5 feet. .TUESDAY NIGHT...Northwest winds around 15 knots veering north after midnight. Mostly cloudy with rain showers likely and a chance of thunderstorms. Waves 2 to 4 feet. .WEDNESDAY...North winds 15 to 25 knots. Mostly sunny. Waves 3 to 5 feet. .WEDNESDAY NIGHT...North winds 15 to 25 knots veering northeast 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 3 to 5 feet subsiding to 2 to 3 feet after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet. .FRIDAY...East winds 15 to 20 knots. Mostly cloudy with a chance of rain showers. Waves around 1 foot. .SATURDAY...East winds 10 to 15 knots backing northwest early in the afternoon. Mostly cloudy. Waves less than 1 foot. $$