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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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

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.

$$

SJC