FZUS53 KAPX 190704 NSHAPX Nearshore Marine Forecast National Weather Service Gaylord MI 304 AM EDT Tue May 19 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. LSZ321-191515- Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 15 knots becoming west 10 to 20 knots in the afternoon. Chance of showers and slight chance of thunderstorms early in the morning, then showers likely in the morning. Chance of showers in the afternoon. Waves 2 feet or less building to 4 to 6 feet in the morning. .TONIGHT...Northwest wind 15 to 25 knots. Patchy frost. Waves 4 to 7 feet. .WEDNESDAY...Northwest wind 15 to 20 knots. Mostly sunny. Waves 4 to 6 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LSZ322-191515- St. Marys River Point Iroquois to E. Potagannissing Bay- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southeast wind 10 to 15 knots becoming northwest 10 to 20 knots early in the evening. Slight chance of showers and thunderstorms early in the morning, then showers likely in the morning. Chance of showers in the afternoon. .TONIGHT...Northwest wind 10 to 20 knots. Patchy frost. .WEDNESDAY...Northwest wind 10 to 20 knots. Sunny. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Winds higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ341-191515- Seul Choix Point to 5NM West of Mackinac Bridge- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming northwest 10 to 15 knots early in the evening. Slight chance of thunderstorms early in the morning. Chance of showers through the day. Waves 2 to 4 feet building to 4 to 6 feet in the morning. .TONIGHT...Northwest wind 10 to 15 knots. Patchy frost. Waves 2 to 4 feet. .WEDNESDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ342-191515- Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming northwest 10 to 15 knots early in the evening. Slight chance of showers and thunderstorms early in the morning, then chance of showers in the morning. Waves 2 to 3 feet building to 3 to 5 feet in the morning. .TONIGHT...Northwest wind 10 to 15 knots. Patchy frost. Waves 2 to 4 feet. .WEDNESDAY...Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ323-191515- Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 20 knots becoming northwest 10 to 15 knots early in the evening. Slight chance of showers early in the morning, then slight chance of thunderstorms in the morning. Chance of showers in the morning. Waves 2 to 3 feet building to 2 to 4 feet in the morning. .TONIGHT...North wind 10 to 15 knots. Patchy frost. Waves 2 to 3 feet. .WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Light winds. Partly cloudy. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ344-345-191515- Sleeping Bear Point to Grand Traverse Light MI- Point Betsie to Sleeping Bear Point MI- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 20 knots becoming northwest 10 to 15 knots early in the evening. Slight chance of thunderstorms early in the morning. Chance of showers through the day. Waves 3 to 5 feet. .TONIGHT...North wind 10 to 15 knots. Patchy frost. Waves 2 to 3 feet. .WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LMZ346-191515- Manistee to Point Betsie MI- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming west 10 to 15 knots early in the evening. Rain showers likely and slight chance of thunderstorms early in the morning, then chance of showers in the morning. Waves 4 to 6 feet. .TONIGHT...North wind 5 to 10 knots. Patchy frost. Waves 2 to 4 feet. .WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ345-191515- Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming northwest 10 to 15 knots early in the evening. Slight chance of showers and thunderstorms early in the morning, then showers likely in the morning. Chance of showers in the afternoon. Waves 2 feet or less building to 2 to 3 feet in the morning. .TONIGHT...Northwest wind 15 to 20 knots. Patchy frost. Waves 2 to 3 feet. .WEDNESDAY...Northwest wind 15 to 20 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ346-191515- St Ignace to False Detour Channel- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 20 knots becoming northwest early in the evening. Slight chance of showers and thunderstorms early in the morning, then showers likely in the morning. Chance of showers in the afternoon. Waves 2 feet or less building to 3 to 5 feet in the morning. .TONIGHT...Northwest wind 15 to 25 knots. Patchy frost. Waves 3 to 5 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Sunny. Waves 2 to 4 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 feet or less. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ347-191515- 5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...South wind 10 to 15 knots becoming west 10 to 20 knotsearly in the evening. Slight chance of showers early in the morning, then chance of showers and slight chance of thunderstorms in the morning. Waves 2 feet or less building to 2 to 4 feet. .TONIGHT...Northwest wind 15 to 25 knots. Patchy frost. Waves 5 to 8 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Mostly sunny. Waves 5 to 8 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ348-191515- Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary- 304 AM EDT Tue May 19 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 showers in the morning. Chance of thunderstorms in the afternoon. Waves 2 to 3 feet building to 3 to 5 feet in the morning. .TONIGHT...Northwest wind 15 to 25 knots. Patchy frost. Slight chance of showers. Waves 5 to 8 feet. .WEDNESDAY...Northwest wind 15 to 25 knots. Mostly sunny. Waves 5 to 8 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Partly cloudy. Waves 2 to 4 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ LHZ349-191515- Sturgeon Pt to Alabaster MI- 304 AM EDT Tue May 19 2026 ...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... .TODAY...Southwest wind 10 to 20 knots. Chance of showers through the day. Chance of thunderstorms in the afternoon. Waves 2 to 4 feet building to 3 to 5 feet in the morning. .TONIGHT...Northwest wind 10 to 20 knots. Patchy frost. Chance of showers. Waves 2 to 4 feet. .WEDNESDAY...North wind 15 to 20 knots. Sunny. Waves 2 to 3 feet. .WEDNESDAY NIGHT...North wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet. Winds and waves higher in the vicinity of thunderstorms. See the open lakes forecast for days 3 through 5. $$ SJC