FZUS53 KAPX 230707 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 307 AM EDT Thu Apr 23 2026 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. LSZ321-231515- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...Southeast wind 15 to 25 knots. Partly sunny early in the morning then becoming mostly sunny. Waves 2 feet or less building to 2 to 4 feet. .TONIGHT...Southeast wind 15 to 25 knots with gusts to around 35 knots. Partly cloudy. Waves 4 to 6 feet. .FRIDAY...Southeast wind 15 to 25 knots with gusts to around 35 knots. Rain showers likely. Waves 4 to 6 feet. .FRIDAY NIGHT...East wind 15 to 20 knots. Rain showers likely. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LSZ322-231515- St. Marys River Point Iroquois to E. Potagannissing Bay- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY EVENING... .TODAY...Southeast wind 10 to 20 knots. Mostly cloudy early in the morning then becoming mostly sunny. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. .FRIDAY...East wind 15 to 25 knots. Chance of showers. .FRIDAY NIGHT...East wind 15 to 20 knots. Rain showers likely. See the open lakes forecast for days 3 through 5. $$ LMZ341-231515- Seul Choix Point to 5NM West of Mackinac Bridge- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...Southeast wind 15 to 25 knots. Partly sunny early in the morning then becoming mostly sunny. Waves 2 to 3 feet building to 2 to 4 feet in the afternoon. .TONIGHT...East wind 15 to 25 knots with gusts to around 35 knots. Mostly cloudy. Waves 4 to 6 feet. .FRIDAY...East wind 15 to 25 knots with gusts to around 35 knots. Rain showers likely. Waves 4 to 6 feet. .FRIDAY NIGHT...Northeast wind 15 to 20 knots. Chance of showers. Waves 3 to 5 feet. See the open lakes forecast for days 3 through 5. $$ LMZ342-231515- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING... .TODAY...Southeast wind 10 to 20 knots. Partly cloudy. Waves 2 feet or less building to 2 to 3 feet in the afternoon. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. Waves 3 to 5 feet. .FRIDAY...East wind 15 to 25 knots. Chance of showers. Waves 3 to 5 feet. .FRIDAY NIGHT...Northeast wind 15 to 20 knots. Chance of showers. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ LMZ323-231515- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 307 AM EDT Thu Apr 23 2026 .TODAY...Southeast wind 15 to 20 knots decreasing to 5 to 10 knots in the afternoon. Partly cloudy. Waves 2 feet or less. .TONIGHT...Southeast wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Rain showers and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY NIGHT...North wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-231515- Sleeping Bear Point to Grand Traverse Light MI- 307 AM EDT Thu Apr 23 2026 .TODAY...Southeast wind 10 to 15 knots early in the morning becoming variable 10 knots or less. Partly cloudy. Waves 2 feet or less. .TONIGHT...Southeast wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .FRIDAY...Southeast wind 10 to 15 knots. Rain showers and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY NIGHT...North wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-231515- Point Betsie to Sleeping Bear Point MI- 307 AM EDT Thu Apr 23 2026 .TODAY...South wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. .TONIGHT...Southeast wind 10 to 15 knots. Chance of showers. Waves 2 feet or less. .FRIDAY...South wind 10 to 15 knots. Rain showers and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY NIGHT...North wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-231515- Manistee to Point Betsie MI- 307 AM EDT Thu Apr 23 2026 .TODAY...South wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less. .TONIGHT...Southeast wind 10 to 15 knots. Chance of showers and slight chance of thunderstorms. Waves 2 feet or less. .FRIDAY...South wind 10 to 15 knots. Rain showers likely and a chance of thunderstorms. Waves 2 feet or less. .FRIDAY NIGHT...North wind 10 to 15 knots. Chance of showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-231515- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH FRIDAY EVENING... .TODAY...Southeast wind 10 to 15 knots becoming east 15 to 25 knots in the morning. Partly sunny early in the morning then becoming mostly sunny. Waves 2 feet or less building to 4 to 6 feet. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. Waves 4 to 7 feet. .FRIDAY...East wind 15 to 25 knots. Rain showers likely. Waves 5 to 8 feet. .FRIDAY NIGHT...East wind 15 to 25 knots. Chance of showers. Waves 4 to 7 feet. See the open lakes forecast for days 3 through 5. $$ LHZ346-231515- St Ignace to False Detour Channel- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...East wind 15 to 25 knots. Mostly cloudy early in the morning then becoming mostly sunny. Waves 2 feet or less building to 4 to 6 feet. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. Waves 5 to 8 feet. .FRIDAY...East wind up to 30 knots. Chance of showers. Waves 6 to 9 feet. .FRIDAY NIGHT...East wind 15 to 25 knots. Rain showers likely. Waves 5 to 8 feet. See the open lakes forecast for days 3 through 5. $$ LHZ347-231515- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH SATURDAY MORNING... .TODAY...East wind 15 to 25 knots. Partly cloudy. Waves 2 feet or less building to 4 to 6 feet. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. Waves 5 to 8 feet. .FRIDAY...East wind 15 to 25 knots. Chance of showers. Waves 6 to 9 feet. .FRIDAY NIGHT...East wind 15 to 25 knots. Rain showers likely. Waves 5 to 8 feet. See the open lakes forecast for days 3 through 5. $$ LHZ348-231515- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .TODAY...East wind 15 to 25 knots decreasing to 10 to 15 knots in the afternoon. Partly cloudy. Waves 2 feet or less building to 2 to 4 feet in the afternoon. .TONIGHT...East wind 10 to 20 knots. Partly cloudy. Waves 4 to 7 feet. .FRIDAY...East wind 15 to 25 knots. Chance of showers. Waves 5 to 8 feet. .FRIDAY NIGHT...East wind 10 to 20 knots. Rain showers. Waves 4 to 6 feet. See the open lakes forecast for days 3 through 5. $$ LHZ349-231515- Sturgeon Pt to Alabaster MI- 307 AM EDT Thu Apr 23 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON... .TODAY...East wind 10 to 15 knots. Patchy fog early in the morning. Waves 2 feet or less. .TONIGHT...East wind 15 to 25 knots. Partly cloudy. Waves 2 to 4 feet. .FRIDAY...East wind 15 to 25 knots. Chance of showers. Waves 2 to 4 feet. .FRIDAY NIGHT...East wind 10 to 15 knots. Rain showers. Waves 2 to 4 feet. See the open lakes forecast for days 3 through 5. $$ FEF