405
FZUS53 KAPX 210753
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
353 AM EDT Thu Aug 21 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.

LSZ321-211600-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Areas of dense fog early in the morning.
Waves 2 feet or less.
.TONIGHT...South wind 5 to 10 knots. Mostly cloudy. Waves 2 feet
or less.
.FRIDAY...South wind 5 to 10 knots. Partly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Showers likely and
a chance of thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-211600-
St. Marys River Point Iroquois to E. Potagannissing Bay-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Patchy fog early in the morning.
.TONIGHT...Light winds. Partly cloudy.
.FRIDAY...Southwest wind 5 to 10 knots. Partly sunny.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Showers likely and
a chance of thunderstorms.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-211600-
St Ignace to False Detour Channel-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...Light winds. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Showers likely and
a chance of thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-211600-
Seul Choix Point to 5NM West of Mackinac Bridge-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Areas of dense fog early in the morning.
Waves 2 feet or less.
.TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.FRIDAY...Southwest wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots. Showers likely and
a chance of thunderstorms. Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-211600-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...South wind 5 to 10 knots. Partly cloudy. Waves 2 feet
or less.
.FRIDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Showers likely and
a chance of thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-211600-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds becoming north 5 to 10 knots in the morning.
Patchy fog early in the morning. Waves 2 feet or less.
.TONIGHT...Light winds. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-211600-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
353 AM EDT Thu Aug 21 2025

.TODAY...North wind 5 to 10 knots early in the morning becoming
variable 10 knots or less. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...Light winds. Mostly clear. Waves 2 feet or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-211600-
Manistee to Point Betsie MI-
353 AM EDT Thu Aug 21 2025

.TODAY...Northeast wind 5 to 10 knots becoming north in the
afternoon. Mostly clear. Waves 2 feet or less.
.TONIGHT...Light winds. Mostly clear. Waves 2 feet or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-211600-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
353 AM EDT Thu Aug 21 2025

.TODAY...North wind 5 to 10 knots early in the morning becoming
variable 10 knots or less. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...Southwest wind 5 to 10 knots. Partly cloudy. Waves
2 feet or less.
.FRIDAY...Southwest wind 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Showers likely and
a chance of thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-211600-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...Light winds. Partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Chance of showers
and thunderstorms. Waves 2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-211600-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
353 AM EDT Thu Aug 21 2025

.TODAY...Light winds. Patchy fog early in the morning. Waves
2 feet or less.
.TONIGHT...Light winds. Partly cloudy. Waves 2 feet or less.
.FRIDAY...South wind 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-211600-
Sturgeon Pt to Alabaster MI-
353 AM EDT Thu Aug 21 2025

.TODAY...North wind 5 to 10 knots becoming northeast early in the
evening. Mostly sunny early in the morning then becoming sunny.
Waves 2 feet or less.
.TONIGHT...North wind 5 to 10 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...South wind 5 to 10 knots. Mostly sunny. Waves 2 feet or
less.
.FRIDAY NIGHT...Southwest wind 5 to 10 knots. Mostly cloudy.
Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

NSC