Nearshore Marine Forecast
Issued by NWS Gaylord, MI

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FZUS53 KAPX 171848
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
248 PM EDT Fri Oct 17 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.

LSZ321-180700-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 10 to 20 knots. Gusts to 25
knots. Partly sunny. Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 15 knots. Gusts to 25 knots. Numerous
showers and slight chance of thunderstorms. Waves 2 to 3 feet.
.SATURDAY...Southwest wind 5 to 10 knots. Partly sunny. Waves
2 feet or less.
.SATURDAY NIGHT...Northeast wind 10 to 15 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots. Gusts to 35 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.

$$

LSZ322-180700-
St. Marys River Point Iroquois to E. Potagannissing Bay-
248 PM EDT Fri Oct 17 2025

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

.THROUGH EARLY EVENING...South wind 15 to 20 knots. Mostly
cloudy.
.TONIGHT...South wind 5 to 10 knots. Numerous showers and slight
chance of thunderstorms.
.SATURDAY...South wind 5 to 10 knots. Scattered showers.
.SATURDAY NIGHT...East wind 5 to 10 knots. Rain showers likely.
.SUNDAY...Northwest wind 15 to 20 knots with gusts to around
35 knots. Rain showers.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-180700-
St Ignace to False Detour Channel-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.THROUGH EARLY EVENING...Southeast wind 15 to 20 knots. Gusts to
25 knots. Mostly cloudy. Waves 2 to 4 feet.
.TONIGHT...South wind 10 to 15 knots. Gusts to 25 knots. Numerous
showers and slight chance of thunderstorms. Waves 2 to 4 feet.
.SATURDAY...Southwest wind 5 to 10 knots. Scattered showers.
Waves 2 to 3 feet.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
40 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.

$$

LMZ341-180700-
Seul Choix Point to 5NM West of Mackinac Bridge-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 15 to 20 knots. Gusts to 25
knots. Mostly cloudy. Waves 4 to 7 feet. Waves occasionally
around 9 feet.
.TONIGHT...Southwest wind 15 to 25 knots. Scattered showers and
slight chance of thunderstorms. Waves 5 to 8 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Partly sunny. Waves
4 to 6 feet.
.SATURDAY NIGHT...East wind 10 to 15 knots. Chance of showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots. Gusts to 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.

$$

LMZ342-180700-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 15 to 20 knots. Gusts to 25
knots. Mostly cloudy. Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots. Gusts to 25 knots. Numerous
showers and slight chance of thunderstorms. Waves 3 to 5 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 2 to 4 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
40 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.

$$

LMZ323-180700-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 15 to 20 knots. Gusts to 25
knots. Mostly cloudy. Waves 2 feet or less.
.TONIGHT...South wind 10 to 20 knots. Gusts to 25 knots. Scattered
showers and slight chance of thunderstorms. Waves 2 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 2 feet or less.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 10 to 20 knots with gusts to around
35 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.

$$

LMZ344-345-180700-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 15 to 20 knots. Gusts to 25
knots. Mostly cloudy. Waves 4 to 6 feet.
.TONIGHT...South wind 15 to 25 knots. Numerous showers and slight
chance of thunderstorms. Waves 4 to 6 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 3 to 5 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...North wind 10 to 20 knots with gusts to around
40 knots. Rain 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.

$$

LMZ346-180700-
Manistee to Point Betsie MI-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.THROUGH EARLY EVENING...South wind 15 to 25 knots. Mostly
cloudy. Waves 4 to 7 feet. Waves occasionally around 9 feet.
.TONIGHT...South wind 15 to 25 knots. Numerous showers and slight
chance of thunderstorms. Waves 4 to 7 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 4 to 6 feet.
.SATURDAY NIGHT...Southeast wind 15 to 20 knots. Rain showers.
Waves 2 to 3 feet.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
35 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.

$$

LHZ345-180700-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
248 PM EDT Fri Oct 17 2025

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

.THROUGH EARLY EVENING...South wind 10 to 20 knots. Mostly
cloudy. Waves 2 feet or less.
.TONIGHT...South wind 10 to 15 knots. Scattered showers and
slight chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...Southwest wind 5 to 10 knots. Scattered showers.
Waves 2 feet or less.
.SATURDAY NIGHT...Southeast wind 5 to 10 knots. Rain showers.
Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
35 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.

$$

LHZ347-180700-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.THROUGH EARLY EVENING...South wind 15 to 25 knots. Mostly
cloudy. Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 15 knots. Gusts to 25 knots. Scattered
showers and slight chance of thunderstorms. Waves 2 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 2 feet or less.
.SATURDAY NIGHT...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 6 to 9 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-180700-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.THROUGH EARLY EVENING...South wind 15 to 25 knots. Mostly
cloudy. Waves 3 to 5 feet.
.TONIGHT...South wind 10 to 20 knots. Gusts to 25 knots. Mostly
cloudy. Waves 4 to 6 feet.
.SATURDAY...South wind 10 to 15 knots. Rain showers. Waves 3 to
5 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots. Rain showers.
Waves 2 to 3 feet.
.SUNDAY...Northwest wind up to 30 knots with gusts to around
40 knots. Rain showers. Waves 6 to 9 feet.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-180700-
Sturgeon Pt to Alabaster MI-
248 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.THROUGH EARLY EVENING...South wind 15 to 25 knots. Mostly
cloudy. Waves 2 to 4 feet.
.TONIGHT...South wind 10 to 20 knots. Gusts to 25 knots. Mostly
cloudy. Waves 2 to 4 feet.
.SATURDAY...Southwest wind 10 to 15 knots. Scattered showers.
Waves 2 to 4 feet.
.SATURDAY NIGHT...South wind 10 to 15 knots. Rain showers and a
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.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

MSB