347
FZUS53 KAPX 030730
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
330 AM EDT Wed Sep 3 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.

LSZ321-031530-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.TODAY...South wind 10 to 15 knots becoming northwest 15 to
25 knots early in the evening. Showers and a chance of
thunderstorms. Waves 2 to 3 feet building to 4 to 7 feet in the
afternoon. Waves occasionally around 8 feet.
.TONIGHT...West wind 10 to 20 knots. Chance of waterspouts.
Chance of showers. Waves 4 to 7 feet.
.THURSDAY...Southwest wind 15 to 20 knots. Chance of waterspouts.
Chance of showers. Waves 4 to 6 feet.
.THURSDAY NIGHT...South wind 5 to 10 knots. Rain 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.

$$

LSZ322-031530-
St. Marys River Point Iroquois to E. Potagannissing Bay-
330 AM EDT Wed Sep 3 2025

.TODAY...South wind 10 to 15 knots becoming northwest early in
the evening. Chance of showers and thunderstorms.
.TONIGHT...West wind 10 to 15 knots. Slight chance of showers.
.THURSDAY...West wind 10 to 15 knots. Partly sunny.
.THURSDAY NIGHT...South wind 10 to 15 knots. Rain showers.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-031530-
St Ignace to False Detour Channel-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots becoming northwest early
in the evening. Showers and a chance of thunderstorms. Slight
chance of waterspouts in the afternoon. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 15 knots. Slight chance of showers.
Waves 2 to 3 feet.
.THURSDAY...West wind 10 to 20 knots. Partly sunny. Waves 2 to
4 feet.
.THURSDAY NIGHT...South wind 10 to 20 knots with gusts to around
35 knots. Rain 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.

$$

LMZ341-031530-
Seul Choix Point to 5NM West of Mackinac Bridge-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots becoming northwest 10 to
15 knots in the afternoon. Showers and thunderstorms, especially
through mid afternoon. Slight chance of waterspouts in the
morning. Waves 3 to 5 feet subsiding to 2 to 4 feet in the
afternoon.
.TONIGHT...West wind 10 to 15 knots. Slight chance of showers.
Waves 2 to 3 feet.
.THURSDAY...West wind 10 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...Southwest wind 10 to 15 knots. Rain 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.

$$

LMZ342-031530-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...South wind 15 to 25 knots becoming northwest in the
afternoon. Chance of showers and thunderstorms. Chance of
waterspouts in the morning. Waves 2 to 4 feet building to 3 to 5
feet in the morning.
.TONIGHT...Northwest wind 10 to 20 knots. Slight chance of
waterspouts. Chance of showers. Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...South wind 10 to 20 knots. Rain 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.

$$

LMZ323-031530-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...South wind 15 to 25 knots becoming northwest 10 to
20 knots early in the evening. Chance of showers and
thunderstorms. Chance of waterspouts. Waves 2 feet or less
building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Slight chance of
waterspouts. Chance of showers. Waves 2 to 3 feet.
.THURSDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...South wind 15 to 20 knots. Rain 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.

$$

LMZ344-345-031530-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots becoming northwest in the
afternoon. Chance of showers and thunderstorms. Slight chance of
waterspouts in the morning. Waves 2 to 3 feet building to 3 to 5
feet in the morning.
.TONIGHT...Northwest wind 10 to 20 knots. Slight chance of
waterspouts. Chance of showers. Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...Southwest wind 15 to 20 knots. Rain showers.
Waves 4 to 6 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-031530-
Manistee to Point Betsie MI-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots becoming west in the
afternoon. Chance of showers and thunderstorms. Chance of
waterspouts in the morning. Waves 2 to 4 feet building to 3 to 5
feet in the morning.
.TONIGHT...Northwest wind 10 to 15 knots. Chance of showers.
Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...Southwest wind 15 to 25 knots. Rain showers.
Waves 5 to 8 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-031530-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...South wind 15 to 25 knots becoming west in the
afternoon. Showers and a chance of thunderstorms. Chance of
waterspouts in the morning. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 15 knots. Slight chance of
waterspouts. Slight chance of showers. Waves 2 to 3 feet.
.THURSDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...South wind 10 to 15 knots. Rain 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.

$$

LHZ347-031530-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...South wind 15 to 25 knots becoming west early in the
evening. Showers and a chance of thunderstorms. Chance of
waterspouts. Waves 2 to 4 feet.
.TONIGHT...West wind 10 to 20 knots. Slight chance of
waterspouts. Slight chance of showers. Waves 2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...South wind 10 to 20 knots. Rain 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.

$$

LHZ348-031530-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...South wind 15 to 25 knots becoming southwest 10 to
15 knots early in the evening. Rain showers and a chance of
thunderstorms. Chance of waterspouts in the afternoon. Waves 2
feet or less building to 2 to 4 feet in the morning.
.TONIGHT...West wind 10 to 20 knots. Chance of showers. Waves
2 to 4 feet.
.THURSDAY...West wind 10 to 15 knots. Mostly sunny. Waves 2 to
3 feet.
.THURSDAY NIGHT...Southwest wind 15 to 25 knots with gusts to
around 35 knots. Rain showers likely. Waves 3 to 5 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-031530-
Sturgeon Pt to Alabaster MI-
330 AM EDT Wed Sep 3 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT THIS MORNING
THROUGH THIS EVENING...

.TODAY...Southwest wind 15 to 25 knots. Rain showers likely and a
chance of thunderstorms in the afternoon. Waves 2 to 3 feet
building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.
.THURSDAY...West wind 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.THURSDAY NIGHT...Southwest wind 15 to 25 knots with gusts to
around 35 knots. 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.

$$

FEF