FZUS53 KAPX 130631 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 231 AM EDT Mon Apr 13 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. LSZ321-131530- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 10 to 20 knots becoming west early in the morning. Areas of dense fog. Chance of rain. Waves 2 to 4 feet. .TODAY...Northwest wind 10 to 15 knots. Areas of dense fog. Waves 2 to 3 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers. Waves 2 feet or less. .TUESDAY...East wind 10 to 15 knots. Scattered showers. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LSZ322-131530- St. Marys River Point Iroquois to E. Potagannissing Bay- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 10 to 20 knots. Patchy fog. Chance of rain and slight chance of thunderstorms. .TODAY...Northwest wind 10 to 15 knots. Areas of dense fog. .TONIGHT...East wind 5 to 10 knots. Rain showers. .TUESDAY...East wind 5 to 10 knots. Scattered showers. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-131530- Seul Choix Point to 5NM West of Mackinac Bridge- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots with gusts to around 35 knots becoming west early in the morning. Widespread dense fog. Slight chance of rain. Waves 7 to 10 feet. Waves occasionally around 12 feet. .TODAY...Northwest wind 10 to 15 knots. Patchy fog. Waves 4 to 6 feet. .TONIGHT...East wind 10 to 15 knots. Numerous showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...East wind 10 to 15 knots. Scattered 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. $$ LMZ342-131530- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots with gusts to around 35 knots. Patchy dense fog. Chance of rain. Waves 5 to 8 feet. Waves occasionally around 10 feet. .TODAY...West wind 15 to 20 knots. Areas of dense fog. Waves 3 to 5 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 feet or less. .TUESDAY...Southeast wind 10 to 15 knots. Scattered showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-131530- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Patchy fog. Chance of rain and slight chance of thunderstorms. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots. Patchy fog. Slight chance of showers. Waves 2 to 3 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 feet or less. .TUESDAY...West wind 5 to 10 knots. Scattered 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. $$ LMZ344-131530- Sleeping Bear Point to Grand Traverse Light MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Areas of dense fog. Chance of rain. Waves 4 to 6 feet. .TODAY...Northwest wind 10 to 15 knots. Patchy dense fog. Waves 3 to 5 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Scattered showers. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ345-131530- Point Betsie to Sleeping Bear Point MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Areas of dense fog. Slight chance of rain. Waves 5 to 8 feet. Waves occasionally around 10 feet. .TODAY...North wind 10 to 15 knots. Areas of dense fog. Waves 4 to 6 feet. .TONIGHT...East wind 5 to 10 knots. Rain showers and scattered thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 5 to 10 knots. Scattered 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. $$ LMZ346-131530- Manistee to Point Betsie MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Areas of dense fog. Slight chance of rain and thunderstorms. Waves 6 to 9 feet. Waves occasionally around 11 feet. .TODAY...North wind 10 to 15 knots. Areas of dense fog. Waves 4 to 6 feet. .TONIGHT...Southeast wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 feet or less. .TUESDAY...Southwest wind 10 to 15 knots. Scattered showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-131530- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Patchy fog. Chance of rain. Waves 3 to 5 feet. .TODAY...West wind 15 to 20 knots. Patchy fog. Waves 2 to 4 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...East wind 10 to 15 knots. Scattered showers. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LHZ346-131530- St Ignace to False Detour Channel- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Areas of dense fog. Chance of rain and slight chance of thunderstorms. Waves 4 to 7 feet. Waves occasionally around 9 feet. .TODAY...West wind 15 to 20 knots. Patchy dense fog. Waves 4 to 6 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...East wind 10 to 15 knots. Scattered showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-131530- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Patchy fog. Chance of rain. Waves 2 to 4 feet. .TODAY...Northwest wind 15 to 20 knots. Patchy fog. Waves 2 to 4 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...Northeast wind 10 to 15 knots. Scattered 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. $$ LHZ348-131530- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Patchy fog. Rain. Waves 4 to 6 feet. .TODAY...Northwest wind 10 to 15 knots. Patchy fog. Chance of showers. Waves 2 to 4 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...Northwest wind 10 to 15 knots. Scattered showers. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-131530- Sturgeon Pt to Alabaster MI- 231 AM EDT Mon Apr 13 2026 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... .REST OF THE OVERNIGHT...Southwest wind 15 to 25 knots. Patchy fog. Rain likely. Waves 4 to 6 feet. .TODAY...West wind 15 to 20 knots. Patchy fog. Chance of showers. Waves 3 to 5 feet. .TONIGHT...East wind 10 to 15 knots. Rain showers and scattered thunderstorms. Waves 2 to 3 feet. .TUESDAY...Southwest wind 10 to 20 knots. Scattered 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. $$ HAD