227
FZUS53 KMQT 162102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Wed Jul 16 2025

For waters within five nautical miles of shore

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.

LMZ221-170800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Wed Jul 16 2025

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

...Small craft should exercise caution from this afternoon
through this evening...

.LATE THIS AFTERNOON...North wind 15 to 20 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet building to 2 to 3 feet.
.TONIGHT...North wind 15 to 25 knots. Cloudy. Patchy fog through
the night. Showers likely in the evening. A chance of
thunderstorms through the night. A chance of showers after
midnight. Waves building to 3 to 5 feet occasionally to 7 feet.
.THURSDAY...North wind 15 to 25 knots diminishing to 10 to
15 knots late. Mostly cloudy through mid morning then clearing.
Waves subsiding to 1 to 2 feet.
.THURSDAY NIGHT...North wind less than 10 knots in the evening
becoming variable. Clear. Waves 1 to 2 feet.
.FRIDAY...Southwest wind less than 10 knots backing south in the
afternoon. Sunny in the morning then becoming partly cloudy.
Waves calm to 1 foot.

$$

LMZ248-250-170800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Wed Jul 16 2025

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

.LATE THIS AFTERNOON...North wind 15 to 20 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet building to 2 to 3 feet.
.TONIGHT...North wind 15 to 25 knots. Cloudy with a chance of
showers and thunderstorms. Patchy fog. Waves building to 3 to
5 feet occasionally to 7 feet.
.THURSDAY...North wind 10 to 20 knots with gusts up to 27 knots.
Mostly cloudy through mid morning then clearing. Waves subsiding
to 1 to 2 feet.
.THURSDAY NIGHT...North wind less than 10 knots in the evening
becoming variable. Clear. Waves calm to 1 foot.
.FRIDAY...South wind less than 10 knots. Sunny in the morning
then becoming partly cloudy. Waves calm to 1 foot.

$$

LSZ240-241-170800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Wed Jul 16 2025 /402 PM CDT Wed Jul 16 2025/

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS
EVENING...

.LATE THIS AFTERNOON...Northeast wind 15 to 20 knots. Cloudy with
a chance of showers. Patchy fog. Waves 3 to 6 feet occasionally
to 8 feet.
.TONIGHT...Northeast wind 10 to 20 knots backing north 10 to
15 knots late. Cloudy through midnight then becoming partly
cloudy. Showers likely through late evening, then a chance of
showers by midnight. A slight chance of showers late. Patchy fog
by midnight. Waves subsiding to 1 to 2 feet.
.THURSDAY...Northwest wind less than 10 knots backing west late.
Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.FRIDAY...Southwest wind less than 10 knots. Mostly cloudy. A
slight chance of showers and thunderstorms in the afternoon.
Waves calm to 1 foot.

$$

LSZ243-170800-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Wed Jul 16 2025

.LATE THIS AFTERNOON...Northeast wind 10 to 15 knots. Cloudy with
a chance of showers. Waves 2 to 4 feet subsiding to 2 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north less than
10 knots late. Cloudy with a chance of showers. Patchy fog by
midnight. Waves subsiding to 1 to 2 feet.
.THURSDAY...Northwest wind less than 10 knots backing west by
late morning. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.FRIDAY...Southwest wind less than 10 knots. Partly cloudy. Waves
calm to 1 foot.

$$

LSZ242-170800-
Ontonagon to Upper Entrance of Portage Canal MI-
502 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northeast wind 15 to 20 knots. Cloudy with
a chance of showers. Patchy fog. Waves 3 to 5 feet occasionally
to 7 feet subsiding to 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north late.
Mostly cloudy. A chance of showers through midnight, then a
slight chance of showers late. Patchy fog by midnight. Waves
subsiding to 1 to 2 feet.
.THURSDAY...North wind less than 10 knots backing west late.
Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind less than 10 knots. Clear. Waves
calm to 1 foot.
.FRIDAY...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers in the afternoon. Waves calm to 1 foot.

$$

LSZ244-245-170800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Wed Jul 16 2025

.LATE THIS AFTERNOON...Northeast wind 10 to 15 knots. Cloudy with
a chance of showers. Patchy fog. Waves 2 to 4 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north late.
Cloudy with a chance of showers. Patchy fog by midnight. Waves
subsiding to 2 to 3 feet.
.THURSDAY...North wind 5 to 15 knots backing west 10 to 15 knots
late. Sunny. Waves subsiding to 1 to 2 feet.
.THURSDAY NIGHT...Southwest wind 5 to 15 knots. Clear. Waves 1 to
2 feet.
.FRIDAY...Southwest wind less than 10 knots. Partly cloudy. Waves
calm to 1 foot.

$$

LSZ246-170800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Wed Jul 16 2025

.LATE THIS AFTERNOON...Northeast wind 10 to 15 knots. Showers
likely. Patchy fog. Waves 1 to 2 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north by
midnight. Cloudy. Patchy fog through midnight. A chance of
showers through late evening. Showers likely by midnight, then a
chance of showers late. Waves 1 to 2 feet.
.THURSDAY...North wind less than 10 knots veering east by late
morning, then veering southwest late. Sunny. Waves 1 to 2 feet.
.THURSDAY NIGHT...West wind less than 10 knots in the evening
becoming variable. Clear. Waves calm to 1 foot.
.FRIDAY...Variable wind less than 10 knots. Gusts up to 15 knots.
Mostly sunny in the morning then becoming mostly cloudy. Waves
calm to 1 foot.

$$

LSZ247-170800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Wed Jul 16 2025

.LATE THIS AFTERNOON...Northeast wind 10 to 15 knots. Showers
likely. Patchy fog. Waves 2 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots backing north late.
Patchy fog through midnight. A chance of showers through late
evening. Showers likely by midnight, then a chance of showers
late. Waves 2 to 3 feet.
.THURSDAY...North wind 5 to 15 knots veering northeast less than
10 knots by late morning, then backing southwest late. Sunny.
Waves subsiding to 1 to 2 feet.
.THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.
.FRIDAY...Variable wind less than 10 knots. Gusts up to 15 knots.
Mostly sunny in the morning then becoming mostly cloudy. Waves
calm to 1 foot.

$$

LSZ248-170800-
Huron Islands to Marquette MI-
502 PM EDT Wed Jul 16 2025

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

.LATE THIS AFTERNOON...North wind 10 to 15 knots. Showers likely
and a slight chance of thunderstorms. Patchy fog. Waves 2 to
4 feet.
.TONIGHT...North wind 10 to 20 knots. Patchy fog through
midnight. Cloudy with a chance of showers. Waves building to 3 to
5 feet occasionally to 7 feet.
.THURSDAY...North wind 5 to 15 knots backing northwest less than
10 knots late. Sunny. Waves subsiding to 1 to 2 feet.
.THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
1 to 2 feet.
.FRIDAY...Variable wind less than 10 knots. Gusts up to 14 knots.
Mostly sunny in the morning then becoming mostly cloudy. Waves
calm to 1 foot.

$$

LSZ249-170800-
Marquette to Munising MI-
502 PM EDT Wed Jul 16 2025

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

.LATE THIS AFTERNOON...North wind 15 to 20 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Patchy
fog. Waves 3 to 5 feet occasionally to 7 feet.
.TONIGHT...North wind 15 to 25 knots. Patchy fog through the
night. Showers likely and a slight chance of thunderstorms. Waves
building to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North wind 10 to 20 knots diminishing to less than
10 knots late. Partly cloudy through mid morning then clearing.
Waves subsiding to 1 to 2 feet.
.THURSDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
1 to 2 feet.
.FRIDAY...Variable wind less than 10 knots. Sunny in the morning
then becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ250-170800-
Munising to Grand Marais MI-
502 PM EDT Wed Jul 16 2025

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

.LATE THIS AFTERNOON...Northeast wind 15 to 20 knots. Cloudy with
a chance of showers and a slight chance of thunderstorms. Waves
3 to 5 feet occasionally to 7 feet.
.TONIGHT...Northeast wind 15 to 25 knots. Patchy fog through the
night. Showers likely and a slight chance of thunderstorms. Waves
building to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North wind 10 to 20 knots backing northwest less than
10 knots late. Partly cloudy through mid morning then clearing. A
slight chance of showers through mid morning. Waves subsiding to
1 to 2 feet.
.THURSDAY NIGHT...West wind less than 10 knots backing southwest
after midnight. Clear. Waves 1 to 2 feet.
.FRIDAY...Southwest wind less than 10 knots. Sunny in the morning
then becoming partly cloudy. Waves calm to 1 foot.

$$

LSZ251-170800-
Grand Marais to Whitefish Point MI-
502 PM EDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM EDT THURSDAY THROUGH
THURSDAY MORNING...

.LATE THIS AFTERNOON...North wind 15 to 20 knots. Cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
3 to 5 feet occasionally to 7 feet.
.TONIGHT...Northeast wind 15 to 25 knots. Cloudy with a chance of
showers and a slight chance of thunderstorms. Patchy fog by
midnight. Waves building to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North wind 15 to 25 knots becoming 15 to 20 knots by
late morning, then backing northwest 10 to 15 knots late. Mostly
cloudy with a slight chance of showers through mid morning, then
sunny by late morning. Waves subsiding to 2 to 3 feet.
.THURSDAY NIGHT...West wind 5 to 15 knots backing southwest less
than 10 knots after midnight. Clear. Waves subsiding to 1 to
2 feet.
.FRIDAY...South wind less than 10 knots backing southeast in the
afternoon. Sunny in the morning then becoming partly cloudy.
Waves calm to 1 foot.

$$

WFO MQT