FZUS53 KAPX 180703 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 303 AM EDT Wed Mar 18 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. LSZ321-181515- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Chance of snow showers in the morning. Snow showers likely in the afternoon. Waves 2 feet or less. .TONIGHT...Southwest wind 10 to 15 knots. Slight chance of snow showers. Waves 2 feet or less. .THURSDAY...Northwest wind 5 to 10 knots. Mostly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Snow showers likely. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LHZ346-181515- St Ignace to False Detour Channel- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Chance of snow showers in the morning. Waves 2 feet or less. .TONIGHT...Southwest wind 15 to 20 knots. Chance of snow showers. Waves 2 feet or less. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Chance of snow showers. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LMZ341-181515- Seul Choix Point to 5NM West of Mackinac Bridge- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming southwest in the afternoon. Chance of snow showers early in the morning, then snow showers likely in the morning. Chance of snow showers in the afternoon. Waves 2 to 4 feet building to 4 to 7 feet in the morning. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 4 to 6 feet. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Chance of snow showers. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LMZ342-181515- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Chance of snow showers in the morning. Waves 2 to 3 feet building to 2 to 4 feet in the morning. .TONIGHT...Southwest wind 10 to 15 knots. Chance of snow showers. Waves 2 to 4 feet. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Chance of rain and snow showers. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LMZ323-181515- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Slight chance of snow showers in the morning. Chance of snow showers in the afternoon. Waves 2 feet or less building to 2 to 3 feet in the morning. .TONIGHT...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ344-181515- Sleeping Bear Point to Grand Traverse Light MI- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Slight chance of snow showers early in the morning, then chance of snow showers in the morning. Waves 2 to 4 feet building to 3 to 5 feet in the afternoon. .TONIGHT...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to 4 feet. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LMZ345-346-181515- Point Betsie to Sleeping Bear Point MI- Manistee to Point Betsie MI- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Chance of snow showers early in the morning, then snow showers likely in the morning. Chance of snow showers in the afternoon. Waves 3 to 5 feet building to 4 to 7 feet in the morning. Waves occasionally around 8 feet. .TONIGHT...Southwest wind 10 to 15 knots. Mostly cloudy. Waves 4 to 6 feet. .THURSDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...South wind 5 to 10 knots. Mostly cloudy. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ347-181515- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Chance of snow showers in the morning. Slight chance of snow showers in the afternoon. Waves 2 feet or less building to 2 to 4 feet in the morning. .TONIGHT...Southwest wind 10 to 15 knots. Chance of snow showers. Waves 2 to 3 feet. .THURSDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain and snow showers. Waves 2 feet or less. Wave heights are valid for ice free areas. See the open lakes forecast for days 3 through 5. $$ LHZ348-181515- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Slight chance of snow showers in the morning. Waves 2 feet or less building to 4 to 6 feet in the morning. .TONIGHT...Southwest wind 15 to 20 knots. Mostly cloudy. Waves 3 to 5 feet. .THURSDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Chance of rain and snow showers. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ LHZ349-181515- Sturgeon Pt to Alabaster MI- 303 AM EDT Wed Mar 18 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots. Slight chance of snow showers in the afternoon. Waves 2 feet or less building to 2 to 4 feet in the morning. .TONIGHT...Southwest wind 15 to 20 knots. Slight chance of snow showers. Waves 2 to 4 feet. .THURSDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 feet or less. .THURSDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers. Waves 2 feet or less. See the open lakes forecast for days 3 through 5. $$ NSC