518
FZUS53 KAPX 171817
NSHAPX

Nearshore Marine Forecast
National Weather Service Gaylord MI
217 PM EDT Thu Apr 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.

LSZ321-180230-
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Mostly
sunny. Waves 2 to 3 feet.
.TONIGHT...Southeast wind 10 to 20 knots. Chance of showers.
Waves 2 to 4 feet.
.FRIDAY...South wind 10 to 15 knots. Chance of showers. Waves
2 feet or less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 4 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 4 feet.

Wave heights are valid for ice free areas.

See the open lakes forecast for days 3 through 5.

$$

LSZ322-180230-
St. Marys River Point Iroquois to E. Potagannissing Bay-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Sunny.
.TONIGHT...Southeast wind 10 to 15 knots. Rain showers.
.FRIDAY...Southeast wind 5 to 10 knots. Rain showers likely.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny.

See the open lakes forecast for days 3 through 5.

$$

LHZ346-180230-
St Ignace to False Detour Channel-
217 PM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Sunny.
Waves 3 to 5 feet.
.TONIGHT...Southeast wind 10 to 20 knots. Rain showers. Waves
3 to 5 feet.
.FRIDAY...South wind 15 to 20 knots. Chance of showers and
thunderstorms. Waves 3 to 5 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ341-180230-
Seul Choix Point to 5NM West of Mackinac Bridge-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Mostly
sunny. Waves 2 to 3 feet.
.TONIGHT...Southeast wind 10 to 20 knots. Rain showers. Waves
2 to 4 feet.
.FRIDAY...West wind 10 to 15 knots. Chance of showers. Waves 2 to
4 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 feet or less.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 feet or less.

See the open lakes forecast for days 3 through 5.

$$

LMZ342-180230-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Mostly
sunny. Waves 2 feet or less.
.TONIGHT...South wind 15 to 20 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Rain showers likely and
a chance of thunderstorms. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ323-180230-
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
217 PM EDT Thu Apr 17 2025

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

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Mostly
sunny. Waves 2 feet or less.
.TONIGHT...South wind 10 to 15 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Rain showers and a
chance of thunderstorms. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 feet or less.
.SATURDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ344-180230-
Sleeping Bear Point to Grand Traverse Light MI-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Partly
sunny. Waves 2 feet or less.
.TONIGHT...South wind 10 to 15 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Rain showers and a
chance of thunderstorms. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ346-180230-
Manistee to Point Betsie MI-
217 PM EDT Thu Apr 17 2025

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

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Mostly
cloudy. Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 4 feet.
.FRIDAY...Southwest wind 15 to 20 knots. Chance of showers and
thunderstorms. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves
2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LMZ345-180230-
Point Betsie to Sleeping Bear Point MI-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...South wind 10 to 15 knots. Partly sunny.
Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 15 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Rain showers and a
chance of thunderstorms. Waves 2 to 3 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 5 to 10 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ345-180230-
Straits of Mackinac within 5 nm of Mackinac Bridge including
Mackinac Island-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...East wind 10 to 20 knots. Sunny. Waves
2 to 4 feet.
.TONIGHT...Southeast wind 10 to 15 knots. Rain showers. Waves
2 to 4 feet.
.FRIDAY...West wind 5 to 10 knots. Rain showers likely and a
chance of thunderstorms. Waves 2 feet or less.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Rain showers
likely. Waves 2 feet or less.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ347-180230-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
217 PM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THROUGH EARLY EVENING...East wind 10 to 20 knots. Sunny. Waves
2 to 4 feet.
.TONIGHT...Southeast wind 10 to 15 knots. Rain showers and slight
chance of thunderstorms. Waves 2 to 4 feet.
.FRIDAY...Southwest wind 15 to 20 knots. Rain showers and a
chance of thunderstorms. Waves 2 to 4 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 4 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ348-180230-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-
217 PM EDT Thu Apr 17 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Sunny.
Waves 2 to 4 feet.
.TONIGHT...South wind 10 to 20 knots. Rain showers and slight
chance of thunderstorms. Waves 4 to 6 feet.
.FRIDAY...South wind 15 to 20 knots. Rain showers and a chance of
thunderstorms. Waves 4 to 6 feet.
.FRIDAY NIGHT...West wind 10 to 15 knots. Chance of showers.
Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 to 3 feet.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

LHZ349-180230-
Sturgeon Pt to Alabaster MI-
217 PM EDT Thu Apr 17 2025

.THROUGH EARLY EVENING...Southeast wind 10 to 20 knots. Sunny.
Waves 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots. Chance of showers and
slight chance of thunderstorms. Waves 3 to 5 feet.
.FRIDAY...South wind 10 to 20 knots. Chance of showers and
thunderstorms. Waves 3 to 5 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots. Chance of showers
and thunderstorms. Waves 2 to 3 feet.
.SATURDAY...Northwest wind 10 to 15 knots. Partly sunny. Waves
2 feet or less.

Winds and waves higher in the vicinity of thunderstorms.

See the open lakes forecast for days 3 through 5.

$$

FEF