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FZUS53 KAPX 092006
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
406 PM EDT Thu Oct 9 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.

LSZ321-100415-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
406 PM EDT Thu Oct 9 2025

.TONIGHT...South wind 10 to 20 knots. Isolated showers after
midnight. Waves 2 feet or less building to 2 to 4 feet after
midnight.
.FRIDAY...Southwest wind 15 to 20 knots. Rain showers. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northeast wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.
.SATURDAY...East wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-100415-
St. Marys River Point Iroquois to E. Potagannissing Bay-
406 PM EDT Thu Oct 9 2025

.TONIGHT...South wind 10 to 20 knots. Clear early in the evening
then becoming partly cloudy.
.FRIDAY...South wind 15 to 20 knots. Rain showers.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
30 knots. Rain showers likely.
.SATURDAY...East wind 10 to 15 knots. Mostly sunny.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-100415-
St Ignace to False Detour Channel-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 10 to 20 knots. Clear early in the evening
then becoming partly cloudy. Waves 2 to 3 feet building to 2 to
4 feet after midnight.
.FRIDAY...South wind 15 to 20 knots. Rain showers. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots with gusts to
around 35 knots. Rain showers likely. Waves 2 to 4 feet.
.SATURDAY...East wind 10 to 15 knots. Mostly sunny. Waves 2 feet
or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-100415-
Seul Choix Point to 5NM West of Mackinac Bridge-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM EDT FRIDAY THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 5 to 10 knots rising to 15 to 25 knots
after midnight. Isolated showers after midnight. Waves 2 to
4 feet building to 4 to 7 feet after midnight. Waves occasionally
around 8 feet.
.FRIDAY...Southwest wind 15 to 25 knots. Rain showers. Waves 5 to
8 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots. Chance of showers.
Waves 3 to 5 feet.
.SATURDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-100415-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

.TONIGHT...South wind 5 to 10 knots rising to 15 to 25 knots
after midnight. Clear early in the evening then becoming partly
cloudy. Waves 2 feet or less building to 3 to 5 feet after
midnight.
.FRIDAY...Southwest wind up to 30 knots. Rain showers. Waves 4 to
6 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
30 knots. Chance of showers. Waves 2 to 4 feet.
.SATURDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-100415-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...Light winds becoming south 10 to 20 knots after
midnight. Clear early in the evening then becoming partly cloudy.
Waves 2 to 3 feet.
.FRIDAY...Southwest wind 15 to 20 knots. Scattered showers. Waves
2 to 3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots. Rain showers. Waves
2 to 3 feet.
.SATURDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-100415-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

.TONIGHT...South wind 10 to 20 knots. Clear early in the evening
then becoming partly cloudy. Waves 2 feet or less building to
2 to 4 feet after midnight.
.FRIDAY...Southwest wind 15 to 20 knots. Numerous showers. Waves
5 to 8 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots with gusts to around
30 knots. Chance of showers. Waves 4 to 6 feet.
.SATURDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-100415-
Manistee to Point Betsie MI-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

.TONIGHT...South wind 5 to 10 knots rising to 10 to 20 knots
after midnight. Clear early in the evening then becoming partly
cloudy. Waves 2 feet or less building to 3 to 5 feet after
midnight.
.FRIDAY...Southwest wind 15 to 25 knots. Numerous showers. Waves
6 to 9 feet.
.FRIDAY NIGHT...Northwest wind 10 to 20 knots. Rain showers
likely. Waves 4 to 7 feet.
.SATURDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-100415-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 10 to 20 knots. Clear early in the evening
then becoming partly cloudy. Waves 2 feet or less.
.FRIDAY...Southwest wind 15 to 25 knots. Rain showers. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 4 feet.
.SATURDAY...Northeast wind 10 to 15 knots. Partly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-100415-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 10 to 20 knots. Mostly clear. Waves 2 feet
or less.
.FRIDAY...South wind 15 to 20 knots. Rain showers. Waves 2 to
3 feet.
.FRIDAY NIGHT...Northwest wind 15 to 20 knots. Chance of showers.
Waves 2 to 3 feet.
.SATURDAY...East wind 10 to 15 knots. Partly sunny. Waves 2 to
3 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-100415-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 10 to 20 knots. Mostly clear. Waves 2 feet
or less building to 2 to 4 feet after midnight.
.FRIDAY...South wind 15 to 25 knots. Scattered showers. Waves
4 to 6 feet.
.FRIDAY NIGHT...Southwest wind 15 to 20 knots. Rain showers.
Waves 3 to 5 feet.
.SATURDAY...East wind 10 to 15 knots. Chance of showers. Waves
2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-100415-
Sturgeon Pt to Alabaster MI-
406 PM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.TONIGHT...South wind 10 to 20 knots. Mostly clear. Waves 2 feet
or less building to 2 to 3 feet after midnight.
.FRIDAY...South wind 15 to 25 knots. Scattered showers. Waves
2 to 4 feet.
.FRIDAY NIGHT...West wind 10 to 20 knots. Rain showers. Waves
2 to 4 feet.
.SATURDAY...Northeast wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.

See the open lakes forecast for days 3 through 5.

$$

JZ