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FZUS53 KAPX 200849
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
349 AM EST Thu Nov 20 2025

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.

LSZ321-201700-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
349 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots. Slight chance of showers
early in the morning, then chance of showers in the morning. Rain
showers likely in the afternoon. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 20 knots. Rain showers likely. Waves 1
to 2 feet, but closer to 3 to 5 feet near Whitefish Bay.
.FRIDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves
4 to 7 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 4 to 6 feet.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-201700-
St. Marys River Point Iroquois to E. Potagannissing Bay-
349 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of showers
in the morning. Rain showers likely in the afternoon.
.TONIGHT...West wind 10 to 15 knots. Rain showers likely.
.FRIDAY...West wind 15 to 20 knots. Partly sunny.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-201700-
St Ignace to False Detour Channel-
349 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots. Slight chance of rain and
snow showers in the morning. Chance of showers in the afternoon.
Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 25 knots. Rain showers likely. Waves
2 to 4 feet.
.FRIDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-201700-
Seul Choix Point to 5NM West of Mackinac Bridge-
349 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 15 to 25 knots. Chance of showers in the
morning. Rain showers likely in the afternoon. Waves 2 to 3 feet
building to 3 to 5 feet in the morning.
.TONIGHT...West wind 15 to 25 knots. Chance of showers. Waves
2 to 4 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-201700-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
349 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 15 to 25 knots. Chance of showers in the
morning. Waves 2 to 4 feet.
.TONIGHT...West wind 15 to 25 knots. Rain showers likely. Waves
2 to 4 feet.
.FRIDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-201700-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
349 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 15 to 25 knots. Slight chance of showers
in the morning. Chance of showers in the afternoon. Waves 2 to 4
feet, especially north of Eastport.
.TONIGHT...West wind 15 to 25 knots. Chance of showers. Waves
2 to 3 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-201700-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
349 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 15 to 25 knots. Slight chance of showers
in the morning. Chance of showers in the afternoon. Waves 2 feet
or less building to 2 to 4 feet in the afternoon.
.TONIGHT...West wind 15 to 25 knots. Chance of showers. Waves
2 to 4 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-201700-
Manistee to Point Betsie MI-
349 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 15 to 20 knots decreasing to 5 to
15 knots early in the evening. Slight chance of showers in the
morning. Chance of showers in the afternoon. Waves 2 feet or less
building to 2 to 3 feet in the afternoon.
.TONIGHT...West wind 10 to 15 knots. Chance of showers. Waves
2 to 3 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-201700-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
349 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EST THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots. Slight chance of showers
in the morning. Rain showers likely in the afternoon. Waves 2 to
4 feet.
.TONIGHT...West wind 10 to 15 knots. Rain showers likely. Waves
2 to 3 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-201700-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
349 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of rain and
snow showers in the morning. Chance of showers in the afternoon.
Waves 2 feet or less.
.TONIGHT...West wind 10 to 15 knots. Chance of showers. Waves
2 to 3 feet.
.FRIDAY...West wind 10 to 20 knots. Partly sunny. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 2 to 4 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-201700-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
349 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 10 to 15 knots. Slight chance of showers
in the afternoon. Waves 2 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.
.FRIDAY...West wind 10 to 20 knots. Mostly sunny. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 2 to 4 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-201700-
Sturgeon Pt to Alabaster MI-
349 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 10 to 15 knots. Mostly sunny early in the
morning then becoming mostly cloudy. Waves 2 feet or less.
.TONIGHT...Southwest wind 10 to 15 knots. Slight chance of
showers. Waves 2 to 3 feet.
.FRIDAY...West wind 10 to 15 knots. Mostly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

FEF