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FZUS53 KAPX 201352
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
852 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.

LSZ321-202200-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
852 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 10 to 15 knots. Rain showers likely.
Waves 2 to 3 feet.
.TONIGHT...West wind 10 to 20 knots. Rain showers likely. Waves
3 to 5 feet.
.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.

$$

LSZ322-202200-
St. Marys River Point Iroquois to E. Potagannissing Bay-
852 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 10 to 15 knots. Chance of showers in the
late morning, then 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.

$$

LHZ346-202200-
St Ignace to False Detour Channel-
852 AM EST Thu Nov 20 2025

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

.TODAY...Southwest wind 10 to 15 knots. Chance of showers through
the day. Waves 2 feet or less.
.TONIGHT...West wind 10 to 15 knots. Rain showers likely. Waves
2 to 3 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.

$$

LMZ341-202200-
Seul Choix Point to 5NM West of Mackinac Bridge-
852 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Southwest wind 15 to 20 knots becoming 10 to 20 knots
early in the evening. Chance of showers in the late morning, then
showers likely in the afternoon. Waves 2 to 4 feet building to
3 to 5 feet in the afternoon.
.TONIGHT...West wind 15 to 20 knots. Chance of showers. Waves
3 to 5 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.

$$

LMZ342-202200-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
852 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Southwest wind 10 to 20 knots. Chance of showers. Waves
2 to 3 feet building to 2 to 4 feet in the afternoon.
.TONIGHT...West wind 10 to 20 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.

$$

LMZ323-202200-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
852 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Southwest wind 10 to 20 knots. Slight chance of showers
in the late morning, then 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...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.

$$

LMZ344-345-202200-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
852 AM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TODAY...Southwest wind 10 to 20 knots. Chance of showers. Waves
2 feet or less building to 2 to 4 feet in the afternoon.
.TONIGHT...West wind 10 to 15 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.

$$

LMZ346-202200-
Manistee to Point Betsie MI-
852 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 15 to 20 knots. Slight chance of showers
in the late morning, then chance of showers in the afternoon.
Waves 2 feet or less building to 2 to 4 feet in the afternoon.
.TONIGHT...West wind 10 to 15 knots. Chance of showers. Waves
2 to 4 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.

$$

LHZ345-202200-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
852 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 20 knots. Chance of showers in the
late morning, then showers likely in the afternoon. Waves 2 to
3 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.

$$

LHZ347-202200-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
852 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 15 to 20 knots. Slight chance of showers
in the late morning, then 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 3 to
5 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 3 to 5 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-202200-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
852 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 15 to 20 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 3 to
5 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 3 to 5 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-202200-
Sturgeon Pt to Alabaster MI-
852 AM EST Thu Nov 20 2025

.TODAY...Southwest wind 15 to 20 knots. Partly sunny. 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.

$$

MJG