Nearshore Marine Forecast
Issued by NWS Gaylord, MI

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FZUS53 KAPX 180700
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
300 AM EDT Sat Oct 18 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.

LSZ321-181500-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 10 to 15 knots early in the morning
becoming variable 10 knots or less. Rain showers likely early in
the morning. Slight chance of thunderstorms through the day.
Chance of showers in the morning. Waves 2 feet or less.
.TONIGHT...Southeast wind 5 to 10 knots. Slight chance of showers
and thunderstorms. Waves 2 feet or less.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
35 knots. Rain showers. Waves 6 to 9 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 35 knots. Chance of showers. Waves 6 to 9 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-181500-
St. Marys River Point Iroquois to E. Potagannissing Bay-
300 AM EDT Sat Oct 18 2025

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TODAY...South wind 5 to 10 knots. Gusts up to 25 knots early in
the morning. Rain showers likely and a chance of thunderstorms
early in the morning, then showers and slight chance of
thunderstorms in the morning. Slight chance of showers in the
afternoon.
.TONIGHT...Southeast wind 5 to 10 knots. Slight chance of
showers.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
40 knots. Rain showers.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 40 knots. Chance of showers.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-181500-
St Ignace to False Detour Channel-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots. Rain showers likely early
in the morning. Chance of thunderstorms through the day. Rain
showers in the morning. Waves 2 to 3 feet subsiding to 2 feet or
less in the afternoon.
.TONIGHT...Southeast wind 5 to 10 knots. Rain showers. Waves
2 feet or less.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
40 knots. Rain showers. Waves 3 to 5 feet.
.SUNDAY NIGHT...Northwest wind up to 30 knots with gusts to
around 40 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.

$$

LMZ341-181500-
Seul Choix Point to 5NM West of Mackinac Bridge-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 15 to 20 knots decreasing to 5 to
10 knots early in the evening. Rain showers likely and a chance
of thunderstorms early in the morning, then chance of showers and
slight chance of thunderstorms in the morning. Waves 4 to 6 feet
subsiding to 2 to 4 feet in the afternoon.
.TONIGHT...Southeast wind 10 to 15 knots. Slight chance of
showers and thunderstorms. Waves 2 feet or less.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
35 knots. Rain showers. Waves 3 to 5 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 35 knots. Mostly cloudy. Waves 3 to 5 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-181500-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 10 to 20 knots decreasing to 5 to
10 knots early in the evening. Rain showers likely and a chance
of thunderstorms early in the morning, then showers and slight
chance of thunderstorms in the morning. Slight chance of showers
in the afternoon. Waves 2 to 4 feet subsiding to 2 feet or less
in the afternoon.
.TONIGHT...Southeast wind 10 to 15 knots. Slight chance of
showers and thunderstorms. Waves 2 feet or less.
.SUNDAY...North wind up to 30 knots with gusts to around
40 knots. Rain showers. Waves 4 to 7 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 35 knots. Chance of showers. Waves 4 to 7 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-181500-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 10 to 15 knots. Rain showers likely and a
chance of thunderstorms early in the morning, then chance of
showers and slight chance of thunderstorms in the morning. Slight
chance of showers in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast wind 5 to 10 knots. Rain showers and slight
chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...North wind 15 to 25 knots with gusts to around
40 knots. Rain showers. Waves 4 to 6 feet.
.SUNDAY NIGHT...Northwest wind 15 to 20 knots with gusts to
around 35 knots. Chance of 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.

$$

LMZ344-345-181500-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 10 to 15 knots. Rain showers and a chance
of thunderstorms early in the morning, then showers likely and
slight chance of thunderstorms in the morning. Waves 3 to 5 feet
subsiding to 2 to 3 feet in the afternoon.
.TONIGHT...Southeast wind 10 to 15 knots. Rain showers and slight
chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...North wind 15 to 25 knots with gusts to around
40 knots. Rain showers. Waves 5 to 8 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 35 knots. Partly cloudy. Waves 4 to 7 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-181500-
Manistee to Point Betsie MI-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.TODAY...Southwest wind 10 to 15 knots. Rain showers and a chance
of thunderstorms early in the morning, then showers likely and
slight chance of thunderstorms in the morning. Waves 4 to 6 feet
subsiding to 2 to 4 feet in the afternoon.
.TONIGHT...Southeast wind 15 to 20 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 3 feet.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
35 knots. Rain showers. Waves 6 to 9 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots with gusts to
around 35 knots. Partly cloudy. Waves 5 to 8 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-181500-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
300 AM EDT Sat Oct 18 2025

...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots. Rain showers likely and a
chance of thunderstorms early in the morning, then showers and
slight chance of thunderstorms in the morning. Slight chance of
showers in the afternoon. Waves 2 feet or less.
.TONIGHT...Southeast wind 5 to 10 knots. Rain showers. Waves
2 feet or less.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
35 knots. Rain showers. Waves 3 to 5 feet.
.SUNDAY NIGHT...Northwest 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.

$$

LHZ347-181500-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...

.TODAY...Southwest wind 10 to 15 knots. Rain showers likely early
in the morning. Chance of thunderstorms through the day. Rain
showers in the morning. Waves 2 to 3 feet.
.TONIGHT...Southeast wind 10 to 15 knots. Slight chance of
showers. Waves 2 feet or less.
.SUNDAY...Northwest gales to 35 knots. Rain showers. Waves 7 to
10 feet.
.SUNDAY NIGHT...Northwest gales to 35 knots. Chance of showers.
Waves 7 to 10 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-181500-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...

.TODAY...Southwest wind 15 to 20 knots. Chance of showers and
slight chance of thunderstorms early in the morning, then showers
likely and a chance of thunderstorms in the morning. Chance of
showers in the afternoon. Waves 3 to 5 feet subsiding to 2 to
4 feet in the afternoon.
.TONIGHT...South wind 15 to 20 knots. Rain showers and slight
chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...Northwest gales to 35 knots. Rain showers. Waves 7 to
10 feet.
.SUNDAY NIGHT...Northwest gales to 35 knots. Chance of showers.
Waves 7 to 10 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-181500-
Sturgeon Pt to Alabaster MI-
300 AM EDT Sat Oct 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT EARLY THIS
MORNING...
...GALE WARNING IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE
SUNDAY NIGHT...

.TODAY...South wind 15 to 20 knots decreasing to 10 to 15 knots
in the afternoon. Slight chance of showers early in the morning,
then showers likely and slight chance of thunderstorms in the
morning. Waves 2 to 4 feet subsiding to 2 to 3 feet in the
afternoon.
.TONIGHT...South wind 15 to 20 knots. Chance of showers and
slight chance of thunderstorms. Waves 2 feet or less.
.SUNDAY...West wind up to 30 knots with gusts to around 35 knots.
Rain showers. Waves 3 to 5 feet.
.SUNDAY NIGHT...Northwest wind up to 30 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.

$$

ELD