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FZUS53 KAPX 201859
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
159 PM 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.

LSZ321-210300-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
159 PM EST Thu Nov 20 2025

.TONIGHT...West wind 10 to 15 knots becoming northwest 10 to
20 knots after midnight. Rain showers likely early in the
evening, then chance of showers after midnight. Waves 2 to 4 feet
building to 3 to 5 feet after midnight.
.FRIDAY...Northwest wind 15 to 20 knots. Chance of showers and
slight chance of snow showers. Waves 4 to 7 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 4 to 6 feet.
.SATURDAY...Southwest wind 5 to 10 knots. Chance of snow showers.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-210300-
St. Marys River Point Iroquois to E. Potagannissing Bay-
159 PM EST Thu Nov 20 2025

.TONIGHT...Southwest wind 10 to 15 knots becoming west after
midnight. Rain showers likely early in the evening, then slight
chance of showers after midnight.
.FRIDAY...West wind 15 to 20 knots. Slight chance of rain and
snow showers.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
.SATURDAY...Light winds. Mostly cloudy.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-210300-
St Ignace to False Detour Channel-
159 PM EST Thu Nov 20 2025

.TONIGHT...West wind 10 to 15 knots becoming northwest early in
the morning. Rain showers likely early in the evening. Waves 2 to
3 feet.
.FRIDAY...West wind 15 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 feet or less.
.SATURDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-210300-
Seul Choix Point to 5NM West of Mackinac Bridge-
159 PM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

.TONIGHT...West wind 10 to 20 knots becoming northwest after
midnight. Chance of showers early in the evening. Waves 3 to
5 feet subsiding to 2 to 3 feet after midnight.
.FRIDAY...Northwest wind 10 to 15 knots. Mostly cloudy. Waves
2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 feet or less.
.SATURDAY...West wind 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-210300-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
159 PM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

.TONIGHT...Northwest wind 10 to 20 knots. Rain showers likely
early in the evening. Waves 2 to 4 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Mostly cloudy. Waves
2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Mostly cloudy.
Waves 2 to 3 feet.
.SATURDAY...West wind 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-210300-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
159 PM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

.TONIGHT...West wind 10 to 20 knots. Chance of showers early in
the evening. Waves 2 to 3 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots. Mostly cloudy. Waves
2 feet or less.
.SATURDAY...West wind 5 to 10 knots. Mostly cloudy. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-210300-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
159 PM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

.TONIGHT...West wind 10 to 20 knots. Chance of showers early in
the evening. Waves 2 to 4 feet.
.FRIDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots. Mostly cloudy. Waves
2 feet or less.
.SATURDAY...Southwest wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-210300-
Manistee to Point Betsie MI-
159 PM EST Thu Nov 20 2025

.TONIGHT...West wind 10 to 20 knots. Chance of showers early in
the evening. 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.
.SATURDAY...Southwest wind 10 to 15 knots. Partly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-210300-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
159 PM EST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST FRIDAY...

.TONIGHT...West wind 10 to 20 knots. Rain showers likely early in
the evening. Waves 2 to 3 feet.
.FRIDAY...West wind 10 to 15 knots. Mostly cloudy. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Partly cloudy.
Waves 2 feet or less.
.SATURDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-210300-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
159 PM EST Thu Nov 20 2025

.TONIGHT...Southwest wind 10 to 15 knots becoming west after
midnight. Rain showers likely early in the evening, then slight
chance of showers after midnight. Waves 2 to 3 feet.
.FRIDAY...West wind 10 to 20 knots. Mostly cloudy. Waves 3 to
5 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Mostly cloudy.
Waves 3 to 5 feet.
.SATURDAY...West wind 5 to 10 knots. Mostly cloudy. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-210300-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
159 PM EST Thu Nov 20 2025

.TONIGHT...Southwest wind 10 to 15 knots becoming west early in
the morning. Chance of showers and areas of drizzle early in the
evening, then slight chance of showers after midnight. Waves 2 to
3 feet.
.FRIDAY...West wind 15 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.
.SATURDAY...West wind 5 to 10 knots. Partly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-210300-
Sturgeon Pt to Alabaster MI-
159 PM EST Thu Nov 20 2025

.TONIGHT...Southwest wind 10 to 15 knots becoming west early in
the morning. Patchy drizzle early in the evening, then slight
chance of showers after midnight. 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.
.SATURDAY...West wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

MJG