Nearshore Marine Forecast
Issued by NWS Gaylord, MI

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FZUS53 KAPX 231431
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
1031 AM EDT Sat Aug 23 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.

LSZ321-232245-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...Northwest wind 10 to 20 knots. Scattered showers in the
late morning. Slight chance of waterspouts through the day. Waves
2 to 4 feet building to 4 to 6 feet in the afternoon.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts.
Isolated showers. Waves 3 to 5 feet.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Scattered showers. Waves 2 to 4 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 3 to 5 feet.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-232245-
St. Marys River Point Iroquois to E. Potagannissing Bay-
1031 AM EDT Sat Aug 23 2025

.TODAY...Northwest wind 10 to 15 knots. Slight chance of
waterspouts through the day. Scattered showers in the late
morning. Isolated thunderstorms through the day. Isolated showers
in the afternoon.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Scattered showers and thunderstorms.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-232245-
St Ignace to False Detour Channel-
1031 AM EDT Sat Aug 23 2025

.TODAY...Northwest wind 10 to 15 knots. Slight chance of
waterspouts. Scattered showers and isolated thunderstorms. Waves
2 feet or less.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts. Waves
2 feet or less.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-232245-
Seul Choix Point to 5NM West of Mackinac Bridge-
1031 AM EDT Sat Aug 23 2025

.TODAY...Northwest wind 10 to 15 knots. Slight chance of
waterspouts through the day. Scattered showers in the late
morning. Isolated thunderstorms through the day. Isolated showers
in the afternoon. Waves 2 to 3 feet.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts. Waves
2 feet or less.
.SUNDAY...Northwest wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-232245-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...Northwest wind 10 to 20 knots. Slight chance of
waterspouts. Scattered showers and isolated thunderstorms. Waves 3
to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Chance of waterspouts.
Isolated showers. Waves 2 to 3 feet.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-232245-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...Northwest wind 10 to 20 knots. Isolated showers and
thunderstorms in the late morning. Slight chance of waterspouts
through the day. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 5 to 10 knots. Chance of waterspouts.
Scattered showers. Waves 2 feet or less.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-232245-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...Northwest wind 10 to 20 knots. Isolated showers in the
late morning. Slight chance of waterspouts through the day. Waves
3 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots. Chance of waterspouts.
Isolated showers. Waves 2 to 3 feet.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-232245-
Manistee to Point Betsie MI-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...West wind 10 to 20 knots. Isolated showers in the late
morning. Slight chance of waterspouts through the day. Waves 3 to
4 feet.
.TONIGHT...Northwest wind 5 to 10 knots. Chance of waterspouts.
Waves 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 to 4 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-232245-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...West wind 10 to 20 knots. Slight chance of waterspouts.
Scattered showers and isolated thunderstorms. Waves 2 to 3 feet.
.TONIGHT...West wind 5 to 10 knots. Chance of waterspouts. Waves
2 feet or less.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 feet or
less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-232245-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
1031 AM EDT Sat Aug 23 2025

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

.TODAY...West wind 10 to 20 knots. Slight chance of waterspouts.
Scattered showers and isolated thunderstorms. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts. Waves
2 to 3 feet.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 3 to 5 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-232245-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
1031 AM EDT Sat Aug 23 2025

.TODAY...West wind 10 to 20 knots. Slight chance of waterspouts
through the day. Isolated thunderstorms in the late morning.
Scattered showers through the day. Scattered thunderstorms in the
afternoon. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 15 knots. Chance of waterspouts. Waves
2 to 3 feet.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Numerous showers and scattered thunderstorms. Waves 2 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Chance of showers. Waves 3 to 5 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-232245-
Sturgeon Pt to Alabaster MI-
1031 AM EDT Sat Aug 23 2025

.TODAY...Southwest wind 10 to 15 knots becoming west in the
afternoon. Slight chance of waterspouts through the day. Isolated
thunderstorms in the late morning. Scattered showers through the
day. Scattered thunderstorms in the afternoon. Waves 2 feet or
less.
.TONIGHT...Northwest wind 5 to 10 knots. Chance of waterspouts.
Waves 2 feet or less.
.SUNDAY...West wind 10 to 15 knots. Chance of waterspouts.
Scattered thunderstorms. Waves 2 feet or less.
.SUNDAY NIGHT...Northwest wind 10 to 15 knots. Chance of
waterspouts. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

JK