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FZUS53 KAPX 210700
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
300 AM EDT Mon Sep 21 2026

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.

LSZ321-211500-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 5 to 10 knots becoming north early in the
evening. Partly cloudy early in the morning then becoming partly
sunny. Waves 2 feet or less.
.TONIGHT...East wind 5 to 10 knots. Mostly clear. Waves 2 feet or
less.
.TUESDAY...Northeast wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.TUESDAY NIGHT...East wind 5 to 10 knots. Clear. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-211500-
St. Marys River Point Iroquois to E. Potagannissing Bay-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots early in the morning becoming
variable 10 knots or less. Mostly cloudy.
.TONIGHT...Northeast wind 5 to 10 knots. Partly cloudy.
.TUESDAY...East wind 5 to 10 knots. Sunny.
.TUESDAY NIGHT...East wind 5 to 10 knots. Clear.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-211500-
Seul Choix Point to 5NM West of Mackinac Bridge-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 to
3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.TUESDAY...East wind 10 to 15 knots. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-211500-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 to
3 feet.
.TONIGHT...East wind 10 to 15 knots. Partly cloudy. Waves 2 feet
or less.
.TUESDAY...East wind 10 to 15 knots. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Clear. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-211500-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or
less.
.TONIGHT...East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.
.TUESDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-211500-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 to
3 feet.
.TONIGHT...East wind 10 to 15 knots. Mostly cloudy. Waves 2 to
3 feet.
.TUESDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 to 3 feet.
.TUESDAY NIGHT...East wind 10 to 15 knots. Mostly clear. Waves
2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-211500-
Manistee to Point Betsie MI-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or
less.
.TONIGHT...East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet
or less.
.TUESDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 feet or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Mostly clear. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-211500-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
300 AM EDT Mon Sep 21 2026

.TODAY...East wind 10 to 15 knots. Mostly cloudy. Waves 2 feet or
less.
.TONIGHT...East wind 10 to 15 knots. Partly cloudy. Waves 2 feet
or less.
.TUESDAY...East wind 10 to 15 knots. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Clear. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-211500-
St Ignace to False Detour Channel-
300 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.TODAY...East wind 10 to 15 knots gusting to 25 knots. Mostly
cloudy. Waves 2 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Partly cloudy. Waves
2 feet or less.
.TUESDAY...East wind 10 to 15 knots. Sunny. Waves 2 feet or less.
.TUESDAY NIGHT...East wind 10 to 15 knots. Clear. Waves 2 to
3 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-211500-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
300 AM EDT Mon Sep 21 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT THIS MORNING...

.TODAY...East wind 10 to 15 knots gusting to 25 knots. Mostly
cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet in the
afternoon.
.TONIGHT...East wind 10 to 15 knots. Partly cloudy. Waves 2 to
4 feet.
.TUESDAY...East wind 10 to 15 knots. Sunny. Waves 2 to 4 feet.
.TUESDAY NIGHT...East wind 15 to 20 knots. Clear. Waves 2 to
4 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-211500-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
300 AM EDT Mon Sep 21 2026

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

.TODAY...East wind 15 to 25 knots. Mostly cloudy. Waves 4 to 6
feet.
.TONIGHT...Northeast wind 10 to 20 knots. Mostly cloudy. Waves
3 to 5 feet.
.TUESDAY...Northeast wind 10 to 20 knots. Mostly sunny. Waves
4 to 6 feet.
.TUESDAY NIGHT...East wind 10 to 20 knots. Mostly clear. Waves
3 to 5 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-211500-
Sturgeon Pt to Alabaster MI-
300 AM EDT Mon Sep 21 2026

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

.TODAY...East wind 15 to 25 knots. Mostly cloudy. Waves 4 to 7
feet. Waves occasionally around 8 feet.
.TONIGHT...Northeast wind 10 to 20 knots. Mostly cloudy. Waves
4 to 6 feet.
.TUESDAY...Northeast wind 10 to 20 knots. Mostly sunny. Waves
4 to 7 feet.
.TUESDAY NIGHT...East wind 15 to 25 knots. Mostly clear. Waves
4 to 6 feet.

See the open lakes forecast for days 3 through 5.

$$

SJC