Nearshore Marine Forecast
Issued by NWS Gaylord, MI

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FZUS53 KAPX 220708
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
308 AM EDT Sat Aug 22 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.

LSZ321-221515-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Chance of showers early
in the morning, then slight chance of showers in the morning.
Slight chance of thunderstorms in the afternoon. Waves 2 feet or
less building to 3 to 5 feet in the afternoon.
.TONIGHT...Northwest wind 10 to 20 knots. Chance of showers.
Waves 4 to 6 feet.
.SUNDAY...Northwest wind 15 to 25 knots. Chance of showers. Waves
4 to 7 feet.
.SUNDAY NIGHT...Northwest wind 15 to 25 knots. Partly cloudy.
Waves 4 to 6 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-221515-
St. Marys River Point Iroquois to E. Potagannissing Bay-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Patchy fog early in the
morning. Slight chance of thunderstorms early in the morning.
Chance of showers through the day. Chance of thunderstorms in the
afternoon.
.TONIGHT...Northwest wind 15 to 20 knots. Slight chance of
showers.
.SUNDAY...Northwest wind 10 to 20 knots. Chance of showers.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Chance of showers.

Winds higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-221515-
Seul Choix Point to 5NM West of Mackinac Bridge-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Slight chance of showers
early in the morning, then chance of showers and thunderstorms in
the afternoon. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 10 to 20 knots. Slight chance of
showers. Waves 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 20 knots. Partly sunny. Waves 2 to
3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-221515-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Chance of showers through
the day. Chance of thunderstorms in the afternoon. Waves 2 feet
or less building to 2 to 4 feet in the afternoon.
.TONIGHT...Northwest wind 10 to 20 knots. Slight chance of
showers. Waves 3 to 5 feet.
.SUNDAY...Northwest wind 10 to 20 knots with gusts to around
35 knots. Chance of showers. Waves 3 to 5 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots with gusts to
around 35 knots. Partly 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.

$$

LMZ323-221515-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Chance of showers through
the day. Chance of thunderstorms in the afternoon. Waves 2 feet
or less building to 2 to 4 feet in the afternoon.
.TONIGHT...North wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY...North wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly 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.

$$

LMZ345-221515-
Point Betsie to Sleeping Bear Point MI-
308 AM EDT Sat Aug 22 2026

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

.TODAY...Northwest wind 15 to 20 knots. Chance of showers through
the day. Chance of thunderstorms in the afternoon. Waves 2 to 4
feet.
.TONIGHT...North wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY...North wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY NIGHT...North wind 10 to 20 knots. Mostly clear. Waves
2 to 4 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-221515-
Sleeping Bear Point to Grand Traverse Light MI-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots. Chance of showers through
the day. Chance of thunderstorms in the afternoon. Waves 2 feet
or less building to 2 to 4 feet in the afternoon.
.TONIGHT...North wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves
3 to 5 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves 3 to 5 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-221515-
Manistee to Point Betsie MI-
308 AM EDT Sat Aug 22 2026

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

.TODAY...Northwest wind 15 to 20 knots. Slight chance of
thunderstorms early in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon. Waves 2 to 3 feet.
.TONIGHT...North wind 10 to 20 knots. Chance of showers and
slight chance of thunderstorms. Waves 4 to 6 feet.
.SUNDAY...North wind 10 to 20 knots. Chance of showers. Waves
4 to 6 feet.
.SUNDAY NIGHT...North wind 10 to 20 knots. Mostly clear. Waves
2 to 4 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-221515-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY AFTERNOON...

.TODAY...Northwest wind 15 to 20 knots decreasing to 10 to
15 knots in the afternoon. Chance of showers through the day.
Chance of thunderstorms in the afternoon. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 5 to 15 knots. Slight chance of
showers. Waves 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 20 knots. Chance of showers. Waves
2 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy.
Waves 2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-221515-
St Ignace to False Detour Channel-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...

.TODAY...Northwest wind 15 to 25 knots. Slight chance of
thunderstorms early in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon. Waves around 2 feet.
.TONIGHT...Northwest wind 10 to 20 knots. Slight chance of
showers. Waves 2 feet or less.
.SUNDAY...Northwest wind 15 to 25 knots. Chance of showers. Waves
2 to 3 feet.
.SUNDAY NIGHT...Northwest wind 10 to 20 knots. Chance of 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.

$$

LHZ347-221515-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...

.TODAY...Northwest wind 15 to 20 knots. Slight chance of
thunderstorms early in the morning. Chance of showers through the
day. Chance of thunderstorms in the afternoon. Waves 2 feet or
less building to 2 to 3 feet in the afternoon.
.TONIGHT...Northwest wind 10 to 20 knots. Chance of showers.
Waves 3 to 5 feet.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
35 knots. Chance of showers. Waves 4 to 6 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.

$$

LHZ348-221515-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
MONDAY EVENING...

.TODAY...Southwest wind 5 to 10 knots becoming west in the late
morning, then becoming northwest 10 to 20 knots in the afternoon.
Chance of showers and slight chance of thunderstorms early in the
morning, then showers likely and a chance of thunderstorms in the
morning. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 15 to 25 knots. Slight chance of
showers. Waves 4 to 6 feet.
.SUNDAY...Northwest wind 15 to 25 knots with gusts to around
35 knots. Chance of 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.

$$

LHZ349-221515-
Sturgeon Pt to Alabaster MI-
308 AM EDT Sat Aug 22 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
MONDAY AFTERNOON...

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

$$

FEF