


Nearshore Marine Forecast
Issued by NWS Gaylord, MI
Issued by NWS Gaylord, MI
417 FZUS53 KAPX 041915 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 315 PM EDT Thu Sep 4 2025 For waters within five nautical miles of shore on Lakes Huron... Michigan and 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. LSZ321-050315- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 315 PM EDT Thu Sep 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE FRIDAY NIGHT... .TONIGHT...Southwest wind 10 to 15 knots becoming south 10 to 20 knots after midnight. Slight chance of showers early in the evening, then showers and slight chance of thunderstorms after midnight. Waves 3 to 5 feet. .FRIDAY...West wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts. Showers and slight chance of thunderstorms. Waves 6 to 9 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Chance of showers. Waves 5 to 8 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 4 to 6 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-050315- St. Marys River Point Iroquois to E. Potagannissing Bay- 315 PM EDT Thu Sep 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE FRIDAY NIGHT... .TONIGHT...South wind 10 to 20 knots with gusts to around 35 knots. Chance of showers early in the evening, then showers after midnight. .FRIDAY...Southwest wind 15 to 25 knots with gusts to around 35 knots. Rain showers and a chance of thunderstorms. .FRIDAY NIGHT...West wind 10 to 15 knots. Chance of showers. .SATURDAY...West wind 5 to 10 knots. Chance of showers. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-050315- St Ignace to False Detour Channel- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...South wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts early in the evening. Chance of showers early in the evening, then showers likely and slight chance of thunderstorms after midnight. Waves 2 to 4 feet building to 4 to 6 feet after midnight. .FRIDAY...Southwest wind 15 to 25 knots with gusts to around 40 knots. Slight chance of waterspouts. Showers likely and slight chance of thunderstorms. Waves 6 to 9 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Chance of showers. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-050315- Seul Choix Point to 5NM West of Mackinac Bridge- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... .TONIGHT...Southwest wind 10 to 15 knots becoming 10 to 20 knots with gusts to around 35 knots early in the evening, then becoming south 15 to 25 knots with gusts to around 35 knots early in the morning. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and a chance of thunderstorms after midnight. Waves 4 to 6 feet building to 8 to 11 feet after midnight. Waves occasionally around 14 feet. .FRIDAY...West wind 15 to 25 knots with gusts to around 35 knots. Chance of waterspouts. Chance of showers and slight chance of thunderstorms. Waves 9 to 12 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 4 to 6 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-050315- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... .TONIGHT...Southwest wind 10 to 20 knots becoming south 15 to 25 knots with gusts to around 40 knots after midnight. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and slight chance of thunderstorms after midnight. Waves 3 to 5 feet building to 4 to 7 feet after midnight. .FRIDAY...West wind 15 to 25 knots with gusts to around 40 knots. Slight chance of waterspouts. Showers and slight chance of thunderstorms. Waves 7 to 10 feet. .FRIDAY NIGHT...West wind 10 to 20 knots with gusts to around 35 knots. Chance of showers. Waves 5 to 8 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-050315- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... .TONIGHT...South wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and slight chance of thunderstorms after midnight. Waves 2 to 3 feet building to 2 to 4 feet after midnight. .FRIDAY...West wind 15 to 25 knots with gusts to around 40 knots. Slight chance of waterspouts. Chance of showers and slight chance of thunderstorms. Waves 4 to 6 feet. .FRIDAY NIGHT...West wind 10 to 15 knots with gusts to around 30 knots. Mostly cloudy. Waves 3 to 5 feet. .SATURDAY...West wind 5 to 10 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-050315- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... .TONIGHT...South wind 15 to 25 knots with gusts to around 40 knots. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and slight chance of thunderstorms after midnight. Waves 3 to 5 feet building to 9 to 12 feet after midnight. Waves occasionally around 15 feet. .FRIDAY...West wind up to 30 knots with gusts to around 40 knots. Chance of waterspouts. Showers likely and slight chance of thunderstorms. Waves 10 to 13 feet. .FRIDAY NIGHT...West wind 15 to 20 knots. Mostly cloudy. Waves 5 to 8 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-050315- Manistee to Point Betsie MI- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... .TONIGHT...South wind up to 30 knots with gusts to around 40 knots. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and slight chance of thunderstorms after midnight. Waves 4 to 6 feet building to 11 to 14 feet after midnight. Waves occasionally around 17 feet. .FRIDAY...West wind up to 30 knots with gusts to around 40 knots. Slight chance of waterspouts. Slight chance of showers and thunderstorms. Waves 11 to 14 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Mostly cloudy. Waves 5 to 8 feet. .SATURDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-050315- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...South wind up to 30 knots decreasing to 10 to 20 knots with gusts to around 35 knots after midnight. Slight chance of waterspouts through the night. Chance of showers early in the evening. Rain showers and slight chance of thunderstorms after midnight. Waves 2 to 3 feet. .FRIDAY...West wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts. Showers likely and slight chance of thunderstorms. Waves 4 to 6 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Chance of showers. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-050315- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...South wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts through the night. Slight chance of showers early in the evening. Rain showers likely after midnight. Waves 2 feet or less building to 2 to 4 feet after midnight. .FRIDAY...Southwest wind up to 30 knots with gusts to around 40 knots. Chance of waterspouts. Showers likely and slight chance of thunderstorms. Waves 4 to 7 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Chance of showers. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-050315- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...South wind 15 to 25 knots with gusts to around 35 knots. Slight chance of waterspouts after midnight. Chance of showers after midnight. Waves 2 feet or less building to 4 to 7 feet after midnight. Waves occasionally around 8 feet. .FRIDAY...Southwest wind up to 30 knots with gusts to around 40 knots. Chance of showers and slight chance of thunderstorms. Waves 7 to 10 feet. .FRIDAY NIGHT...Southwest wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet. .SATURDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-050315- Sturgeon Pt to Alabaster MI- 315 PM EDT Thu Sep 4 2025 ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY AFTERNOON... .TONIGHT...Southwest wind 10 to 15 knots becoming 10 to 20 knots early in the evening, then becoming south 15 to 25 knots with gusts to around 40 knots early in the morning. Chance of showers after midnight. Waves 2 feet or less building to 4 to 6 feet after midnight. .FRIDAY...Southwest wind up to 30 knots with gusts to around 40 knots. Slight chance of showers. Waves 5 to 8 feet. .FRIDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. Waves 2 to 3 feet. .SATURDAY...West wind 10 to 15 knots. Mostly sunny. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ JLD