Nearshore Marine Forecast
Issued by NWS Gaylord, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
197
FZUS53 KAPX 191820
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
220 PM EDT Tue Aug 19 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.

LSZ321-200515-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...Southeast wind 5 to 10 knots. Slight
chance of showers and patchy drizzle. Waves 2 feet or less.
.TONIGHT...Light winds. Mostly cloudy. Waves 2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...Northwest wind 5 to 10 knots. Partly cloudy.
Waves 2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-200515-
St. Marys River Point Iroquois to E. Potagannissing Bay-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...Southeast wind 5 to 10 knots. Slight
chance of showers and patchy drizzle.
.TONIGHT...Light winds. Mostly cloudy.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear.
.THURSDAY...Light winds. Sunny.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-200515-
St Ignace to False Detour Channel-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 15 knots. Slight
chance of showers and patchy drizzle. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 to 3 feet.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-200515-
Seul Choix Point to 5NM West of Mackinac Bridge-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 15 knots. Cloudy. Waves
2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-200515-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 15 knots. Cloudy. Waves
2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-200515-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 5 to 10 knots. Cloudy. Waves
2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-345-200515-
Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...Northeast wind 5 to 10 knots. Mostly
cloudy. Waves 2 feet or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...Northeast wind 5 to 10 knots. Mostly sunny. Waves
2 feet or less.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-200515-
Manistee to Point Betsie MI-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...North wind 10 to 15 knots decreasing to
5 to 10 knots early in the evening. Mostly cloudy. Waves 2 feet
or less.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 10 to 15 knots. Mostly sunny. Waves 2 to
3 feet.
.WEDNESDAY NIGHT...Northeast wind 5 to 10 knots. Mostly clear.
Waves 2 feet or less.
.THURSDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-200515-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 20 knots. Cloudy. Waves
2 to 3 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 feet or less.
.WEDNESDAY...North wind 5 to 10 knots. Mostly sunny. Waves 2 feet
or less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-200515-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 20 knots. Patchy
drizzle. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 5 to 10 knots. Mostly cloudy. Waves
2 to 3 feet.
.WEDNESDAY...North wind 5 to 10 knots. Sunny. Waves 2 feet or
less.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.THURSDAY...Light winds. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-200515-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 20 knots. Slight chance
of showers and patchy drizzle. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Cloudy. Waves 2 to
3 feet.
.WEDNESDAY...North wind 10 to 15 knots. Sunny. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...North wind 5 to 10 knots. Mostly clear. Waves
2 feet or less.
.THURSDAY...East wind 5 to 10 knots. Sunny. Waves 2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-200515-
Sturgeon Pt to Alabaster MI-
220 PM EDT Tue Aug 19 2025

.THROUGH EARLY EVENING...East wind 10 to 15 knots becoming
northeast early in the evening. Slight chance of showers and
patchy drizzle. Waves 2 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots. Cloudy. Waves 2 to
3 feet.
.WEDNESDAY...Northeast wind 10 to 15 knots. Mostly sunny. Waves
2 to 4 feet.
.WEDNESDAY NIGHT...Northeast wind 10 to 15 knots. Mostly clear.
Waves 2 to 3 feet.
.THURSDAY...Northeast wind 5 to 10 knots. Sunny. Waves 2 feet or
less.

See the open lakes forecast for days 3 through 5.

$$

MSB