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FZUS53 KAPX 190632
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
232 AM EDT Tue Aug 19 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.

LSZ321-191445-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
232 AM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.TODAY...Southeast wind 10 to 15 knots. Chance of showers early
in the morning, then slight chance of showers in the morning.
Waves 2 feet or less.
.TONIGHT...Light winds. Mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-191445-
St. Marys River Point Iroquois to E. Potagannissing Bay-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots. Showers likely early in
the morning, then chance of showers in the morning. Slight chance
of showers in the afternoon.
.TONIGHT...Light winds. Mostly cloudy.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-191445-
St Ignace to False Detour Channel-
232 AM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.TODAY...Southeast wind 10 to 15 knots. Showers likely early in
the morning, then chance of showers in the morning. Slight chance
of showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 to 3 feet.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-191445-
Seul Choix Point to 5NM West of Mackinac Bridge-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots becoming east 5 to
10 knots early in the evening. Chance of showers early in the
morning. Waves 2 to 3 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-191445-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots becoming east 5 to
10 knots early in the evening. Rain showers likely and slight
chance of thunderstorms early in the morning, then chance of
showers in the morning. Waves 2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-191445-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 5 to 10 knots becoming northeast in the
afternoon. Showers likely and a chance of thunderstorms early in
the morning, then chance of showers in the morning. Waves 2 feet
or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-191445-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots becoming northeast 5 to
10 knots in the afternoon. Showers likely and a chance of
thunderstorms early in the morning, then slight chance of showers
in the morning. Waves 2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-191445-
Manistee to Point Betsie MI-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 5 to 10 knots becoming north in the
afternoon. Showers likely and slight chance of thunderstorms
early in the morning, then slight chance of showers in the
morning. Waves 2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-191445-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
232 AM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.TODAY...Southeast wind 10 to 15 knots becoming east 5 to
10 knots early in the evening. Showers likely early in the
morning, then chance of showers in the morning. Waves 2 to
3 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-191445-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
232 AM EDT Tue Aug 19 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EDT EARLY THIS
MORNING...

.TODAY...Southeast wind 10 to 15 knots. Showers early in the
morning, then chance of showers in the morning. Slight chance of
showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 to 4 feet.
.WEDNESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...Light winds. Mostly clear. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-191445-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots becoming east early in the
evening. Showers likely early in the morning, then chance of
showers in the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Mostly cloudy. Waves
2 to 4 feet.
.WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-191445-
Sturgeon Pt to Alabaster MI-
232 AM EDT Tue Aug 19 2025

.TODAY...Southeast wind 10 to 15 knots becoming east in the
afternoon. Slight chance of thunderstorms early in the morning.
Showers likely early in the morning, then chance of showers in
the afternoon. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Slight chance of
showers. Waves 2 to 3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 to 3 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Mostly clear.
Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

NSC