Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 050301
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 PM EDT Sat Oct 4 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.

LMZ221-050800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 PM EDT Sat Oct 4 2025

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

.REST OF TONIGHT...South wind 15 to 20 knots. Clear. Waves 2 to
4 feet subsiding to 2 to 3 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Mostly sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind 15 to 25 knots veering southwest 10 to
20 knots after midnight. Gusts up to 33 knots. Clear with a
chance of showers in the evening, then mostly cloudy with a
chance of showers and a slight chance of thunderstorms after
midnight. Waves subsiding to 2 to 3 feet.
.MONDAY...Northwest wind less than 10 knots veering north in the
afternoon. Cloudy. A chance of showers in the morning, then a
slight chance of showers in the afternoon. Waves subsiding to
1 to 2 feet.

$$

LMZ248-250-050800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 PM EDT Sat Oct 4 2025

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

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
28 knots. Clear. Waves 3 to 5 feet occasionally to 7 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
34 knots. Mostly sunny. Waves building to 5 to 8 feet
occasionally to 10 feet.
.SUNDAY NIGHT...South wind 20 to 25 knots veering southwest 10 to
20 knots after midnight. Gusts up to 33 knots. Mostly clear with
a chance of showers in the evening, then mostly cloudy with a
chance of showers and a slight chance of thunderstorms after
midnight. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.MONDAY...Northwest wind 5 to 15 knots veering north less than
10 knots in the afternoon. Cloudy. A chance of showers in the
morning, then a slight chance of showers in the afternoon. Waves
subsiding to 2 to 3 feet.

$$

LSZ240-241-050800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 PM EDT Sat Oct 4 2025 /1001 PM CDT Sat Oct 4 2025/

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

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
32 knots. Mostly clear. Waves 2 to 3 feet building to 2 to
4 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny through early afternoon then becoming partly cloudy. A
slight chance of showers by late morning. A chance of showers
late. Waves subsiding to 2 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Southwest wind 20 to 25 knots veering west 15 to
20 knots after midnight. Partly cloudy. A slight chance of
showers in the evening. Waves 3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.

$$

LSZ242-243-050800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
28 knots. Partly cloudy. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
37 knots. Sunny. A chance of showers late. Waves building to 3 to
5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Southwest wind 20 to 25 knots veering west after
midnight. Gale force gusts up to 36 knots. Partly cloudy. A
chance of showers in the evening. 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 20 knots backing west 10 to
15 knots in the afternoon. Partly cloudy. Waves subsiding to 2 to
3 feet.

$$

LSZ245-050800-
Manitou Island to Point Isabelle MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 10 to 15 knots with gusts up to
22 knots. Partly cloudy. Waves 2 to 4 feet subsiding to 2 to
3 feet, then building to 2 to 4 feet.
.SUNDAY...South wind 15 to 20 knots with gusts up to 31 knots.
Sunny. A slight chance of showers late. Waves building to 3 to
5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west after
midnight. Gusts up to 31 knots. Partly cloudy with a chance of
showers in the evening, then mostly cloudy after midnight. Waves
subsiding to 2 to 3 feet, then building to 2 to 4 feet.
.MONDAY...Northwest wind 5 to 15 knots with gusts up to 24 knots.
Partly cloudy. Waves subsiding to 1 to 2 feet.

$$

LSZ244-050800-
Eagle River to Manitou Island MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 10 to 20 knots. Partly cloudy.
Waves 2 to 3 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny. A slight chance of showers late. Waves building to 2 to
4 feet.
.SUNDAY NIGHT...Southwest wind 15 to 25 knots veering west 20 to
25 knots after midnight. Gusts up to 33 knots. Partly cloudy. A
chance of showers in the evening. 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 20 knots backing west 10 to
15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.

$$

LSZ246-050800-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...Southwest wind 10 to 20 knots with gusts up to
29 knots. Partly cloudy. Waves 2 to 3 feet.
.SUNDAY...South wind 10 to 20 knots with gale force gusts up to
34 knots. Sunny. A slight chance of showers late. Waves building
to 2 to 4 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west 10 to
20 knots after midnight. Gale force gusts up to 35 knots. Partly
cloudy with a chance of showers in the evening, then mostly
cloudy after midnight. Waves subsiding to 1 to 2 feet.
.MONDAY...Northwest wind 5 to 15 knots with gusts up to 24 knots.
Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ247-050800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...Southwest wind 15 to 20 knots with gusts up to
29 knots. Mostly clear. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.SUNDAY...South wind 15 to 20 knots with gale force gusts up to
34 knots. Sunny. A slight chance of showers late. Waves subsiding
to 1 to 2 feet, then building to 2 to 3 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west 10 to
20 knots after midnight. Gale force gusts up to 35 knots. Partly
cloudy with a chance of showers and a slight chance of
thunderstorms in the evening, then mostly cloudy with a slight
chance of showers after midnight. Waves subsiding to 1 to 2 feet.
.MONDAY...Northwest wind 5 to 15 knots with gusts up to 23 knots.
Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ248-050800-
Huron Islands to Marquette MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
31 knots. Mostly clear. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.SUNDAY...South wind 10 to 20 knots with gusts up to 32 knots.
Sunny. A slight chance of showers late. Waves subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west 10 to
15 knots after midnight. Gusts up to 31 knots. Partly cloudy with
a chance of showers and a slight chance of thunderstorms in the
evening, then mostly cloudy with a chance of showers after
midnight. Waves 2 to 3 feet.
.MONDAY...Northwest wind 5 to 15 knots with gusts up to 23 knots.
Mostly cloudy. Waves subsiding to 1 to 2 feet.

$$

LSZ249-050800-
Marquette to Munising MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
28 knots. Partly cloudy by midnight then clearing. Waves 1 to
2 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny. A slight chance of showers late. Waves building to 2 to
4 feet.
.SUNDAY NIGHT...South wind 15 to 25 knots veering west 10 to
20 knots after midnight. Gusts up to 32 knots. Mostly clear with
a chance of showers and a slight chance of thunderstorms in the
evening, then showers likely and a slight chance of thunderstorms
after midnight. Waves subsiding to 2 to 3 feet.
.MONDAY...Northwest wind 5 to 15 knots. Mostly cloudy. A slight
chance of showers in the morning. Waves 2 to 3 feet.

$$

LSZ250-050800-
Munising to Grand Marais MI-
1101 PM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.REST OF TONIGHT...South wind 15 to 20 knots. Mostly clear. Waves
1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
35 knots. Sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind 20 to 25 knots veering west 15 to
25 knots after midnight. Gale force gusts up to 34 knots. Showers
likely and a slight chance of thunderstorms. Waves subsiding to
2 to 4 feet.
.MONDAY...Northwest wind 15 to 20 knots diminishing to 5 to
15 knots in the afternoon. Mostly cloudy. A chance of showers in
the morning. Waves 2 to 4 feet.

$$

LSZ251-050800-
Grand Marais to Whitefish Point MI-
1101 PM EDT Sat Oct 4 2025

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

.REST OF TONIGHT...South wind 10 to 15 knots with gusts up to
25 knots. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
34 knots. Sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind 20 to 25 knots veering southwest 15 to
25 knots after midnight. Gusts up to 33 knots. Showers and a
slight chance of thunderstorms. Waves subsiding to 2 to 4 feet.
.MONDAY...Northwest wind 10 to 20 knots. Mostly cloudy. A chance
of showers in the morning, then a slight chance of showers in the
afternoon. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.

$$

WFO MQT