Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 212205
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
505 PM EST Fri Nov 21 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.

LMZ221-220900-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
sunny. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves 1 to
2 feet.
.SATURDAY...West wind less than 10 knots backing southwest 10 to
20 knots by late morning. Partly cloudy through mid morning then
becoming cloudy. A slight chance of rain showers and snow showers
by late morning. A slight chance of rain showers late. Waves
building to 2 to 4 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots veering northwest
after midnight. Partly cloudy. Waves subsiding to 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Gusts up to 22 knots. Mostly sunny.
Waves subsiding to 1 to 2 feet.

$$

LMZ248-250-220900-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Partly
cloudy. Waves 1 to 2 feet.
.TONIGHT...Northwest wind 5 to 15 knots. Mostly clear. Waves 1 to
2 feet.
.SATURDAY...West wind less than 10 knots backing southwest 10 to
15 knots with gusts up to 28 knots by late morning, then
increasing to 15 to 25 knots late. Partly cloudy through mid
morning then becoming cloudy. A slight chance of rain showers and
snow showers by late morning. A slight chance of rain showers
late. Waves building to 2 to 4 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots veering northwest
after midnight. Partly cloudy. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 20 knots backing west less than
10 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.

$$

LSZ240-241-220900-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
505 PM EST Fri Nov 21 2025 /405 PM CST Fri Nov 21 2025/

.LATE THIS AFTERNOON...West wind 10 to 15 knots. Mostly sunny.
Waves 2 to 4 feet subsiding to 2 to 3 feet.
.TONIGHT...West wind less than 10 knots backing south late.
Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots veering west 15 to 20 knots
late. Cloudy through early afternoon then becoming partly cloudy.
A slight chance of rain showers by late morning. Waves building
to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts up to
27 knots. Partly cloudy. Waves 3 to 5 feet occasionally to
7 feet.
.SUNDAY...West wind 5 to 15 knots. Partly cloudy. Waves subsiding
to 1 to 2 feet.

$$

LSZ242-243-220900-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
505 PM EST Fri Nov 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy. Waves 2 to 4 feet subsiding to 2 to 3 feet.
.TONIGHT...Northwest wind less than 10 knots backing southwest
late. Mostly cloudy through late evening then becoming partly
cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...South wind 10 to 15 knots veering southwest 15 to
20 knots late. Cloudy. A slight chance of snow showers through
mid morning, then a chance of rain showers and snow showers by
late morning. A slight chance of rain showers late. Waves
building to 2 to 4 feet.
.SATURDAY NIGHT...West wind 15 to 25 knots. Mostly cloudy in the
evening then becoming partly cloudy. Waves building to 3 to
6 feet occasionally to 8 feet.
.SUNDAY...West wind 15 to 20 knots becoming 10 to 20 knots in the
afternoon. Partly cloudy. Waves subsiding to 2 to 3 feet.

$$

LSZ245-220900-
Manitou Island to Point Isabelle MI-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 5 to 15 knots backing west less than
10 knots late. Mostly cloudy through midnight then becoming
partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots backing south 10 to
15 knots by late morning, then veering southwest 15 to 20 knots
late. Cloudy. Snow showers likely possibly mixed with rain
showers by late morning. Rain showers possibly mixed with snow
showers late. Waves building to 2 to 4 feet.
.SATURDAY NIGHT...West wind 15 to 25 knots. Mostly cloudy. Waves
subsiding to 2 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.SUNDAY...West wind 10 to 20 knots with gusts up to 28 knots.
Mostly sunny. Waves subsiding to 1 to 2 feet.

$$

LSZ244-220900-
Eagle River to Manitou Island MI-
505 PM EST Fri Nov 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Cloudy.
Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
4 feet.
.TONIGHT...Northwest wind 5 to 15 knots backing west less than
10 knots late. Mostly cloudy through late evening then becoming
partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...South wind less than 10 knots increasing to 10 to
15 knots by late morning, then veering southwest late. Gusts up
to 23 knots. Cloudy. Snow showers likely possibly mixed with rain
showers by late morning. Rain showers possibly mixed with snow
showers late. Waves building to 2 to 3 feet.
.SATURDAY NIGHT...West wind 15 to 25 knots with gusts up to
32 knots. Mostly cloudy. Waves building to 4 to 7 feet
occasionally to 9 feet.
.SUNDAY...West wind 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. Mostly sunny. Waves subsiding to 2 to 3 feet.

$$

LSZ246-220900-
Point Isabelle to Lower Entrance of Portage Canal MI-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy. Waves calm to 1 foot.
.TONIGHT...Northwest wind less than 10 knots backing west late.
Gusts up to 17 knots. Mostly cloudy through midnight then
becoming partly cloudy. Waves calm to 1 foot.
.SATURDAY...South wind 5 to 15 knots with gusts up to 23 knots.
Cloudy. A chance of snow showers possibly mixed with rain showers
by late morning. A slight chance of rain showers late. Waves
building to 1 to 2 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts up to
31 knots. Mostly cloudy. Waves 1 to 2 feet.
.SUNDAY...West wind 5 to 15 knots with gusts up to 27 knots.
Mostly sunny. Waves 1 to 2 feet.

$$

LSZ247-220900-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy. Waves 1 to 2 feet.
.TONIGHT...West wind 5 to 15 knots backing southwest less than
10 knots late. Mostly cloudy through midnight then becoming
partly cloudy. Waves 1 to 2 feet.
.SATURDAY...South wind 5 to 15 knots veering southwest 10 to
15 knots late. Gusts up to 23 knots. Cloudy. A slight chance of
snow showers through early afternoon. A chance of rain showers by
late morning, then a slight chance of rain showers late. Waves
building to 1 to 2 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts up to
31 knots. Mostly cloudy. Waves building to 2 to 4 feet.
.SUNDAY...West wind 10 to 20 knots with gusts up to 27 knots.
Mostly sunny. Waves subsiding to 1 to 2 feet.

$$

LSZ248-220900-
Huron Islands to Marquette MI-
505 PM EST Fri Nov 21 2025

.LATE THIS AFTERNOON...Northwest wind 10 to 15 knots. Mostly
cloudy. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 10 to 15 knots backing west less than
10 knots late. Mostly cloudy through midnight then becoming
partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...South wind 5 to 15 knots with gusts up to 22 knots.
Mostly cloudy. A chance of snow showers possibly mixed with rain
showers by late morning. A chance of rain showers late. Waves
calm to 1 foot.
.SATURDAY NIGHT...West wind 15 to 25 knots veering northwest
20 to 25 knots after midnight. Gusts up to 33 knots. Mostly
cloudy. Waves building to 3 to 6 feet occasionally to 8 feet.
.SUNDAY...West wind 15 to 20 knots diminishing to 5 to 15 knots
in the afternoon. Gusts up to 29 knots. Mostly sunny. Waves
subsiding to 1 to 2 feet.

$$

LSZ249-220900-
Marquette to Munising MI-
505 PM EST Fri Nov 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EST SATURDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy.
Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...Northwest wind 10 to 15 knots backing west less than
10 knots late. Mostly cloudy through midnight then becoming
partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots backing south 10 to
20 knots by late morning. Partly cloudy through mid morning then
becoming cloudy. A chance of snow showers by late morning. Snow
showers likely possibly mixed with rain showers late. Waves 1 to
2 feet.
.SATURDAY NIGHT...West wind 15 to 25 knots veering northwest
20 to 25 knots after midnight. Mostly cloudy with a slight chance
of rain showers. Waves building to 6 to 9 feet occasionally to
11 feet.
.SUNDAY...Northwest wind 15 to 25 knots becoming west 5 to
15 knots in the afternoon. Partly cloudy. Waves subsiding to 2 to
3 feet.

$$

LSZ250-220900-
Munising to Grand Marais MI-
505 PM EST Fri Nov 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Cloudy.
Waves 4 to 7 feet occasionally to 9 feet.
.TONIGHT...Northwest wind 10 to 20 knots diminishing to less than
10 knots late. Mostly cloudy. Waves subsiding to 2 to 3 feet.
.SATURDAY...Southwest wind less than 10 knots backing south 10 to
20 knots by late morning. Mostly cloudy. A chance of snow showers
possibly mixed with rain showers by late morning. Rain showers
possibly mixed with snow showers late. Waves subsiding to 1 to
2 feet.
.SATURDAY NIGHT...Southwest wind 15 to 25 knots veering northwest
up to 30 knots after midnight. Cloudy with a chance of rain
showers. Waves building to 7 to 10 feet occasionally to 13 feet.
.SUNDAY...Northwest wind 20 to 25 knots backing west 10 to
20 knots in the afternoon. Partly cloudy. A slight chance of rain
showers in the morning. Waves subsiding to 3 to 5 feet
occasionally to 7 feet.

$$

LSZ251-220900-
Grand Marais to Whitefish Point MI-
505 PM EST Fri Nov 21 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST SATURDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Mostly
cloudy with isolated rain showers and snow showers. Waves 4 to
7 feet occasionally to 9 feet.
.TONIGHT...Northwest wind 10 to 20 knots. Cloudy with isolated
snow showers. Waves subsiding to 2 to 3 feet.
.SATURDAY...West wind less than 10 knots backing south 10 to
15 knots by late morning. Gusts up to 22 knots. Cloudy. A slight
chance of rain showers and snow showers by late morning. Rain
showers likely possibly mixed with snow showers late. Waves
subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind 15 to 25 knots veering northwest
up to 30 knots after midnight. Cloudy. Rain showers likely in the
evening, then a chance of rain showers after midnight. Waves
building to 7 to 10 feet occasionally to 13 feet.
.SUNDAY...Northwest wind 15 to 25 knots. Mostly cloudy. A chance
of rain showers in the morning. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.

$$

WFO MQT