966
FZUS53 KMQT 242102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Sun Aug 24 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.

LMZ221-250800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with scattered showers. A chance of waterspouts. Waves
2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots. A slight chance of
waterspouts through midnight. Cloudy with isolated showers
through late evening, then mostly cloudy with scattered showers
by midnight. Partly cloudy late. Waves subsiding to 2 to 3 feet.
.MONDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.TUESDAY...Northwest wind 5 to 15 knots. Sunny. Waves 1 to
2 feet.

$$

LMZ250-250800-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with scattered showers. A chance of waterspouts. Waves
2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots. A chance of waterspouts
through late evening, then a slight chance of waterspouts by
midnight. Cloudy with scattered showers through late evening,
then partly cloudy with scattered sprinkles by midnight. Waves
subsiding to 2 to 3 feet.
.MONDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.TUESDAY...Northwest wind 5 to 15 knots. Sunny. Waves 1 to
2 feet.

$$

LMZ248-250800-
Seul Choix Point to Point Detour MI-
502 PM EDT Sun Aug 24 2025

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with scattered showers. A chance of waterspouts. Waves
1 to 2 feet.
.TONIGHT...Northwest wind 10 to 20 knots. A chance of waterspouts
through late evening. A slight chance of waterspouts by midnight.
Mostly cloudy with scattered showers through midnight, then
partly cloudy with scattered sprinkles late. Waves 1 to 2 feet.
.MONDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves
1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots. Sunny. Waves calm to
1 foot.

$$

LSZ240-250800-
Saxon Harbor WI to Black River MI-
502 PM EDT Sun Aug 24 2025 /402 PM CDT Sun Aug 24 2025/

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT /1 AM CDT/
MONDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with scattered showers. A slight chance of waterspouts.
Waves 3 to 5 feet occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Partly cloudy. A slight
chance of waterspouts through late evening. Scattered showers
through late evening, then scattered sprinkles by midnight. Waves
subsiding to 2 to 4 feet.
.MONDAY...Northwest wind 10 to 20 knots diminishing to less than
10 knots late. Mostly sunny. Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 5 to 15 knots veering north 10 to
15 knots after midnight. Mostly clear. Waves 1 to 2 feet.
.TUESDAY...Northwest wind less than 10 knots backing west in the
afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ241-250800-
Black River to Ontonagon MI-
502 PM EDT Sun Aug 24 2025 /402 PM CDT Sun Aug 24 2025/

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with scattered showers. A chance of waterspouts. Waves
3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Mostly cloudy through
late evening then becoming partly cloudy. A slight chance of
waterspouts through late evening. Scattered showers through late
evening, then scattered sprinkles by midnight. Waves 3 to 5 feet
occasionally to 7 feet.
.MONDAY...Northwest wind 10 to 20 knots backing west 10 to
15 knots late. Mostly sunny. Waves subsiding to 2 to 3 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots veering north after
midnight. Clear. Waves subsiding to 1 to 2 feet, then building to
2 to 3 feet.
.TUESDAY...Northwest wind 5 to 15 knots backing west less than
10 knots in the afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ242-243-250800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Sun Aug 24 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with
scattered showers. A chance of waterspouts. Waves 3 to 6 feet
occasionally to 8 feet subsiding to 3 to 5 feet occasionally to
7 feet.
.TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. A slight
chance of waterspouts through late evening. Scattered showers
through late evening, then scattered sprinkles by midnight. Waves
building to 3 to 6 feet occasionally to 8 feet.
.MONDAY...Northwest wind 15 to 20 knots backing west 10 to
15 knots late. Mostly sunny. Waves subsiding to 2 to 3 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots veering north after
midnight. Mostly clear. Waves subsiding to 1 to 2 feet.
.TUESDAY...Northwest wind 10 to 15 knots backing west in the
afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ245-250800-
Manitou Island to Point Isabelle MI-
502 PM EDT Sun Aug 24 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with
scattered showers. A chance of waterspouts. Waves 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy. A slight
chance of waterspouts through late evening. Scattered sprinkles
through midnight. Waves subsiding to 2 to 4 feet, then building
to 3 to 6 feet occasionally to 8 feet.
.MONDAY...Northwest wind 15 to 25 knots. Partly cloudy through
early afternoon then clearing. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet.
.TUESDAY...North wind 5 to 15 knots backing northwest less than
10 knots in the afternoon. Sunny. Waves 1 to 2 feet.

$$

LSZ244-250800-
Eagle River to Manitou Island MI-
502 PM EDT Sun Aug 24 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with
scattered showers. A slight chance of waterspouts. Waves 3 to
6 feet occasionally to 8 feet.
.TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy.
Scattered sprinkles through midnight. Waves subsiding to 3 to
5 feet occasionally to 7 feet, then building to 4 to 7 feet
occasionally to 9 feet.
.MONDAY...Northwest wind 15 to 25 knots diminishing to 10 to
20 knots late. Partly cloudy through early afternoon then
clearing. Waves subsiding to 2 to 4 feet.
.MONDAY NIGHT...North wind 10 to 15 knots. Mostly clear. Waves
subsiding to 2 to 3 feet.
.TUESDAY...Northwest wind 10 to 15 knots backing west in the
afternoon. Sunny. Waves subsiding to 1 to 2 feet.

$$

LSZ246-250800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Sun Aug 24 2025

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

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots with gusts
up to 22 knots. Cloudy with scattered showers. A chance of
waterspouts. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 10 to 15 knots with gusts up to
23 knots. Mostly cloudy through midnight then becoming partly
cloudy. A slight chance of waterspouts through late evening.
Scattered sprinkles through midnight. Waves 1 to 2 feet.
.MONDAY...Northwest wind 10 to 15 knots with gusts up to
22 knots. Mostly sunny. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.
.TUESDAY...Northwest wind less than 10 knots. Gusts up to
20 knots. Sunny. Waves calm to 1 foot.

$$

LSZ247-250800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Sun Aug 24 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Numerous
showers. A chance of waterspouts. Waves 2 to 3 feet.
.TONIGHT...Northwest wind 15 to 20 knots. Mostly cloudy. A slight
chance of waterspouts through late evening. Scattered showers
through late evening, then scattered sprinkles by midnight. Waves
2 to 3 feet.
.MONDAY...Northwest wind 10 to 20 knots. Partly cloudy through
early afternoon then clearing. Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 15 knots. Mostly clear. Waves 1 to
2 feet.
.TUESDAY...Northwest wind less than 10 knots with gusts up to
20 knots. Sunny. Waves calm to 1 foot.

$$

LSZ248-250800-
Huron Islands to Marquette MI-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Numerous
showers. A chance of waterspouts. Waves 3 to 5 feet occasionally
to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts up to
27 knots. Mostly cloudy. A chance of waterspouts through late
evening. A slight chance of waterspouts by midnight. Scattered
showers through midnight, then scattered sprinkles late. Waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest wind 15 to 25 knots. Mostly sunny. Scattered
sprinkles through mid morning. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves subsiding to 2 to 3 feet.
.TUESDAY...Northwest wind 5 to 15 knots. Sunny. Waves subsiding
to 1 to 2 feet.

$$

LSZ249-250800-
Marquette to Munising MI-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots. Numerous
showers. A chance of waterspouts. Waves 3 to 6 feet occasionally
to 8 feet building to 4 to 7 feet occasionally to 9 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Mostly cloudy.
Scattered showers through midnight, then scattered sprinkles
late. A chance of waterspouts through late evening. A slight
chance of waterspouts by midnight. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.MONDAY...Northwest wind 15 to 25 knots. Partly cloudy. Scattered
sprinkles through mid morning. Waves subsiding to 4 to 7 feet
occasionally to 9 feet.
.MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves subsiding to 2 to 4 feet.
.TUESDAY...Northwest wind 5 to 15 knots. Sunny. Waves subsiding
to 1 to 2 feet.

$$

LSZ250-250800-
Munising to Grand Marais MI-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots. Numerous
showers. A chance of waterspouts. Waves 4 to 7 feet occasionally
to 9 feet.
.TONIGHT...Northwest wind 15 to 25 knots. Mostly cloudy.
Scattered showers through midnight, then scattered sprinkles
late. A chance of waterspouts through late evening. A slight
chance of waterspouts by midnight. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.MONDAY...Northwest wind 20 to 25 knots. Partly cloudy. Waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet.
.MONDAY NIGHT...North wind 10 to 20 knots. Mostly clear. Waves
subsiding to 2 to 4 feet.
.TUESDAY...North wind 10 to 15 knots backing northwest in the
afternoon. Sunny. Waves subsiding to 2 to 3 feet.

$$

LSZ251-250800-
Grand Marais to Whitefish Point MI-
502 PM EDT Sun Aug 24 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy with
scattered showers. A chance of waterspouts. Waves 4 to 7 feet
occasionally to 9 feet.
.TONIGHT...Northwest wind 20 to 25 knots. Cloudy with scattered
showers. A chance of waterspouts through late evening. A slight
chance of waterspouts by midnight. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.MONDAY...Northwest wind 20 to 25 knots. Partly cloudy. Scattered
sprinkles through mid morning. Waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet.
.MONDAY NIGHT...Northwest wind 15 to 20 knots veering north 10 to
15 knots after midnight. Mostly clear. Waves subsiding to 2 to
4 feet.
.TUESDAY...Northwest wind 10 to 15 knots increasing to 15 to
20 knots in the afternoon. Sunny. Waves subsiding to 2 to 3 feet.

$$

WFO MQT