National Weather Service Marine Forecast FZUS53 KAPX

FZUS53 KAPX 200629
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
229 AM EDT Sun Sep 20 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.

LSZ321-201430
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI
229 AM EDT Sun Sep 20 2026

TODAY
North wind 10 to 15 knots. Partly cloudy early in the morning then clearing. Waves 2 feet or less building to 2 to 4 feet in the morning.

TONIGHT
Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 to 3 feet.

MONDAY
Northeast wind 5 to 10 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
East wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LSZ322-201430
St. Marys River Point Iroquois to E. Potagannissing Bay
229 AM EDT Sun Sep 20 2026

TODAY
North wind 10 to 15 knots. Partly cloudy early in the morning then clearing.

TONIGHT
Northeast wind 10 to 15 knots. Partly cloudy.

MONDAY
East wind 10 to 15 knots. Partly sunny.

MONDAY NIGHT
Northeast wind 5 to 10 knots. Partly cloudy.

See the open lakes forecast for days 3 through 5.

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LMZ341-201430
Seul Choix Point to 5NM West of Mackinac Bridge
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
North wind 10 to 15 knots. Gusts to 25 knots. Partly cloudy. Waves 2 feet or less.

TONIGHT
Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet.

MONDAY
East wind 10 to 15 knots. Partly sunny. Waves 2 to 3 feet.

MONDAY NIGHT
Northeast wind 10 to 15 knots. Partly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LMZ342-201430
Norwood MI to 5NM West of Mackinac Bridge including Little Traverse Bay
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
North wind 10 to 15 knots gusting to 25 knots becoming northeast in the afternoon. Partly cloudy. Waves 2 feet or less building to 2 to 4 feet in the afternoon.

TONIGHT
Northeast wind 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet.

MONDAY
East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LMZ323-201430
Grand Traverse Bay south of a line Grand Traverse Light to Norwood MI
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
Northeast wind 10 to 15 knots. Gusts to 25 knots. Partly sunny early in the morning then becoming mostly sunny. Waves 2 feet or less building to 2 to 3 feet in the afternoon.

TONIGHT
Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet.

MONDAY
Northeast wind 10 to 15 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LMZ344-345-201430
Sleeping Bear Point to Grand Traverse Light MI
Point Betsie to Sleeping Bear Point MI
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
Northeast 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 in the morning.

TONIGHT
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet.

MONDAY
Northeast wind 10 to 15 knots. Partly sunny. Waves 2 to 3 feet.

MONDAY NIGHT
East wind 10 to 15 knots. Mostly cloudy. Waves 2 to 3 feet.

See the open lakes forecast for days 3 through 5.

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LMZ346-201430
Manistee to Point Betsie MI
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
Northeast 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 in the morning.

TONIGHT
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 2 to 4 feet.

MONDAY
Northeast wind 10 to 15 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LHZ345-201430
Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING THROUGH LATE TONIGHT

TODAY
Northeast wind 15 to 25 knots decreasing to 5 to 10 knots in the afternoon. Partly cloudy. Waves 2 feet or less.

TONIGHT
Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

MONDAY
East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LHZ346-201430
St Ignace to False Detour Channel
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING

TODAY
Northeast wind 5 to 10 knots. Gusts to 25 knots. Partly cloudy. Waves 2 feet or less.

TONIGHT
Northeast wind 15 to 20 knots. Partly cloudy. Waves 2 feet or less.

MONDAY
East wind 10 to 15 knots. Partly sunny. Waves 2 feet or less.

MONDAY NIGHT
Northeast wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

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LHZ347-201430
5NM East of Mackinac Bridge to Presque Isle Light MI including Bois Blanc Island
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY MORNING

TODAY
Northeast wind 10 to 15 knots. Gusts to 25 knots. Mostly cloudy early in the morning then becoming mostly sunny. Waves 2 feet or less.

TONIGHT
Northeast wind 10 to 20 knots. Partly cloudy. Waves 3 to 5 feet.

MONDAY
East wind 10 to 15 knots. Partly sunny. Waves 2 to 4 feet.

MONDAY NIGHT
East wind 15 to 20 knots. Mostly cloudy. Waves 2 to 4 feet.

See the open lakes forecast for days 3 through 5.

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LHZ348-201430
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay National Marine Sanctuary
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY EVENING

TODAY
Northeast wind 10 to 15 knots. Gusts to 25 knots. Partly sunny early in the morning then becoming mostly sunny. Waves 2 feet or less building to 2 to 3 feet in the morning.

TONIGHT
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 4 to 6 feet.

MONDAY
Northeast wind 10 to 20 knots. Partly sunny. Waves 3 to 5 feet.

MONDAY NIGHT
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 3 to 5 feet.

See the open lakes forecast for days 3 through 5.

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LHZ349-201430
Sturgeon Pt to Alabaster MI
229 AM EDT Sun Sep 20 2026

SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH MONDAY EVENING

TODAY
Northeast wind 15 to 25 knots. Mostly cloudy early in the morning then becoming mostly sunny. Waves 2 feet or less building to 2 to 4 feet in the morning.

TONIGHT
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 4 to 6 feet.

MONDAY
Northeast wind 10 to 20 knots. Mostly cloudy. Waves 4 to 6 feet.

MONDAY NIGHT
Northeast wind 15 to 25 knots. Mostly cloudy. Waves 4 to 6 feet.

See the open lakes forecast for days 3 through 5.

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SJC