FZUS53 KGRR 151543 NSHGRR Nearshore Marine Forecast National Weather Service Grand Rapids MI 1143 AM EDT Thu Oct 15 2026 For waters within five nautical miles of shore on Lake Michigan LMZ849-152100- Pentwater to Manistee MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 10 to 15 knots. Rain showers. Waves around 1 foot. .TONIGHT...East winds 10 to 15 knots becoming north to 30 knots after midnight. Rain showers. A slight chance of waterspouts. Waves 1 foot or less building to 3 to 5 feet after midnight. .FRIDAY...North gales to 45 knots. Rain showers. A slight chance of waterspouts. Waves 7 to 10 feet building to 10 to 14 feet early in the afternoon. .FRIDAY NIGHT...North gales to 45 knots decreasing to 30 knots after midnight. Mostly cloudy with rain showers likely. Waves 10 to 14 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...Northwest winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet in the late morning and early afternoon, then building to 3 to 5 feet early in the afternoon. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet. $$ LMZ848-152100- Whitehall to Pentwater MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...East winds 10 to 20 knots becoming northwest gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 1 to 2 feet building to 4 to 6 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers likely. A slight chance of waterspouts. Waves 7 to 11 feet building to 10 to 14 feet early in the afternoon. .FRIDAY NIGHT...North storm force winds to 50 knots decreasing to 30 knots. Mostly cloudy with rain showers likely. Waves 10 to 14 feet subsiding to 6 to 9 feet after midnight. .SATURDAY...North winds 10 to 20 knots backing west 15 to 25 knots in the late morning and afternoon. Sunny. Waves 3 to 6 feet. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 8 to 12 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ847-152100- Grand Haven to Whitehall MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 25 knots veering south in the late evening and early morning, then becoming west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 1 to 2 feet building to 5 to 7 feet after midnight. .FRIDAY...Northwest gales to 40 knots veering north gales to 45 knots early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 7 to 11 feet. .FRIDAY NIGHT...North gales to 45 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 8 to 12 feet subsiding to 5 to 7 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots backing west in the late morning and early afternoon, then backing southwest 15 to 25 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SUNDAY...Southwest gales to 35 knots. Sunny. Waves 7 to 11 feet. .MONDAY...Southwest winds 15 to 25 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ846-152100- Holland to Grand Haven MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers. Waves around 1 foot. .TONIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then veering west gales to 35 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 1 to 2 feet building to 5 to 7 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers. A slight chance of waterspouts. Waves 7 to 10 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 7 to 10 feet subsiding to 4 to 6 feet after midnight. .SATURDAY...Northeast winds 5 to 15 knots veering south in the late morning and early afternoon, then veering southwest 15 to 20 knots early in the afternoon. Sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late morning and afternoon. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 6 to 9 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ845-152100- South Haven to Holland MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers. Waves 1 foot or less. .TONIGHT...Southeast winds 15 to 20 knots veering south to 30 knots in the late evening and early morning, then becoming west gales to 40 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves around 1 foot building to 6 to 8 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Mostly cloudy with a chance of rain showers. A slight chance of waterspouts. Waves 7 to 11 feet. .FRIDAY NIGHT...North gales to 40 knots decreasing to 15 to 25 knots after midnight. Partly cloudy with a chance of rain showers. Waves 8 to 12 feet. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 4 to 6 feet subsiding to 2 to 4 feet early in the afternoon. .SUNDAY...Southwest winds to 30 knots. Sunny. Waves 5 to 7 feet. .MONDAY...Southwest winds 10 to 20 knots. Mostly sunny. Waves 3 to 5 feet subsiding to 2 to 4 feet early in the afternoon. $$ LMZ844-152100- St Joseph to South Haven MI- 1143 AM EDT Thu Oct 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM EDT THIS EVENING THROUGH FRIDAY MORNING... ...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY NIGHT... .REST OF TODAY...Southeast winds 15 to 20 knots. Rain showers. Waves 1 foot or less. .TONIGHT...Southeast winds 15 to 20 knots veering southwest to 30 knots in the late evening and early morning, then becoming west gales to 40 knots after midnight. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves around 1 foot building to 6 to 9 feet. .FRIDAY...Northwest gales to 40 knots veering north early in the afternoon. Rain showers and a slight chance of thunderstorms. A slight chance of waterspouts. Waves 7 to10 feet building to 9 to 13 feet early in the afternoon. .FRIDAY NIGHT...North gales to 40 knots decreasing to 30 knots after midnight. Partly cloudy with a chance of rain showers. Waves 11 to 15 feet. .SATURDAY...Northeast winds 10 to 20 knots veering southeast 5 to 10 knots in the late morning and early afternoon, then veering southwest early in the afternoon. Sunny. Waves 6 to 8 feet subsiding to 3 to 5 feet in the late morning and afternoon. .SUNDAY...Southwest winds 15 to 25 knots. Sunny. Waves 3 to 5 feet. .MONDAY...Southwest winds 5 to 15 knots. Sunny. Waves 1 to 3 feet. $$