Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 221005
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Nearshore Marine Forecast
National Weather Service Marquette MI
505 AM EST Sat Nov 22 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.

LMZ221-222100-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON
THROUGH SUNDAY MORNING...

.EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...West wind less than 10 knots backing southwest 10 to
20 knots by late morning. Mostly 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.
.TONIGHT...Southwest wind 15 to 20 knots veering west by
midnight. Partly cloudy. A slight chance of rain showers through
late evening. Waves subsiding to 2 to 3 feet.
.SUNDAY...Northwest wind 10 to 15 knots backing west 5 to
15 knots in the afternoon. Mostly sunny. Waves subsiding to 1 to
2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.

$$

LMZ248-250-222100-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON
THROUGH SUNDAY MORNING...

.EARLY THIS MORNING...Northwest wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...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. Mostly cloudy. A slight chance
of rain showers by late morning. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west by
midnight. Mostly cloudy with a chance of rain showers through
late evening, then partly cloudy by midnight. Waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 2 to
4 feet.
.SUNDAY...West wind 5 to 15 knots. Mostly sunny. Waves subsiding
to 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ240-241-222100-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
505 AM EST Sat Nov 22 2025 /405 AM CST Sat Nov 22 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST /3 PM CST/ THIS
AFTERNOON THROUGH SUNDAY MORNING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...South wind 10 to 15 knots veering west 15 to 20 knots
late. Gusts up to 27 knots. Cloudy through early afternoon then
becoming partly cloudy. A slight chance of rain showers and snow
showers through mid morning, then a slight chance of rain showers
by late morning. Waves building to 3 to 5 feet occasionally to
7 feet.
.TONIGHT...West wind 15 to 20 knots with gusts up to 28 knots.
Partly cloudy. Waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.
.SUNDAY...West wind 10 to 15 knots backing southwest 5 to
15 knots in the afternoon. Gusts up to 22 knots. Sunny in the
morning then becoming partly cloudy. Waves subsiding to 1 to
2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves 1 to 2 feet.

$$

LSZ242-243-222100-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...

.EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...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 snow showers by late morning. A
chance of rain showers by late morning. Waves building to 2 to
4 feet.
.TONIGHT...West wind 20 to 25 knots. Mostly cloudy through
midnight then becoming partly cloudy. A slight chance of rain
showers through late evening. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet.
.SUNDAY...West wind 15 to 20 knots becoming 10 to 20 knots in the
afternoon. Gusts up to 29 knots. Mostly sunny. Waves subsiding to
2 to 3 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots with gusts up
to 17 knots. Mostly cloudy. Waves subsiding to 1 to 2 feet.

$$

LSZ245-222100-
Manitou Island to Point Isabelle MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.EARLY THIS MORNING...West wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...Southwest wind 5 to 15 knots backing south 10 to
15 knots by late morning, then veering southwest 15 to 20 knots
late. Cloudy. A slight chance of rain showers through early
afternoon. A chance of snow showers by late morning, then rain
showers likely late. Waves building to 2 to 4 feet.
.TONIGHT...West wind 15 to 20 knots veering northwest 15 to
25 knots by midnight. Gusts up to 32 knots. Mostly cloudy. A
slight chance of rain showers through midnight. Waves subsiding
to 2 to 3 feet, then building to 3 to 6 feet occasionally to
8 feet.
.SUNDAY...Northwest wind 15 to 25 knots backing west 10 to
20 knots in the afternoon. Gusts up to 32 knots. Mostly sunny.
Waves subsiding to 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves 1 to 2 feet.

$$

LSZ244-222100-
Eagle River to Manitou Island MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EST THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...

.EARLY THIS MORNING...West wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots becoming 10 to 15 knots by late
morning, then veering southwest 15 to 20 knots late. Cloudy. A
slight chance of rain showers in the morning. A chance of snow
showers through the day. Rain showers likely in the afternoon.
Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.
.TONIGHT...West wind 15 to 25 knots veering northwest 20 to
25 knots by midnight. Gusts up to 32 knots. Cloudy. A chance of
rain showers through late evening. Waves building to 5 to 8 feet
occasionally to 10 feet.
.SUNDAY...Northwest wind 15 to 25 knots backing west 10 to
20 knots in the afternoon. Gusts up to 32 knots. Mostly sunny.
Waves subsiding to 2 to 3 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots with gusts up
to 17 knots. Partly cloudy in the evening then becoming mostly
cloudy. Waves subsiding to 1 to 2 feet.

$$

LSZ246-222100-
Point Isabelle to Lower Entrance of Portage Canal MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots with gusts up to 24 knots.
Cloudy. A slight chance of rain showers and snow showers through
mid morning, then a chance of snow showers by late morning. A
chance of rain showers by late morning. Waves building to 1 to
2 feet.
.TONIGHT...West wind 10 to 20 knots veering northwest 15 to
20 knots by midnight. Gusts up to 32 knots. Mostly cloudy. A
slight chance of rain showers through midnight. Waves 1 to
2 feet.
.SUNDAY...West wind 10 to 20 knots with gusts up to 31 knots.
Mostly sunny. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Mostly cloudy.
Waves calm to 1 foot.

$$

LSZ247-222100-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.EARLY THIS MORNING...Southwest wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots veering southwest 10 to
15 knots late. Gusts up to 24 knots. Cloudy. A slight chance of
snow showers through mid morning, then a chance of snow showers
by late morning. A chance of rain showers by late morning. Waves
building to 1 to 2 feet.
.TONIGHT...West wind 15 to 20 knots becoming 15 to 25 knots by
midnight. Gusts up to 32 knots. Mostly cloudy. Waves building to
2 to 4 feet.
.SUNDAY...West wind 15 to 20 knots diminishing to 5 to 15 knots
in the afternoon. Gusts up to 31 knots. Mostly sunny. Waves
subsiding to 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ248-222100-
Huron Islands to Marquette MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.EARLY THIS MORNING...West wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...South wind 10 to 20 knots. Cloudy. A slight chance of
rain showers and snow showers through mid morning, then a chance
of snow showers by late morning. A chance of rain showers by late
morning. Waves building to 1 to 2 feet.
.TONIGHT...West wind 10 to 20 knots veering northwest 20 to
25 knots by midnight. Gusts up to 33 knots. Mostly cloudy. A
slight chance of rain showers through late evening. Waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet.
.SUNDAY...West wind 15 to 25 knots. Mostly sunny. Waves subsiding
to 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves 1 to 2 feet.

$$

LSZ249-222100-
Marquette to Munising MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

.EARLY THIS MORNING...West wind less than 10 knots. Partly
cloudy. Waves 1 to 2 feet.
.TODAY...Southwest wind less than 10 knots backing south 10 to
20 knots by late morning. Mostly cloudy. A slight chance of snow
showers through mid morning, then a chance of snow showers by
late morning. A chance of rain showers late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west 15 to
25 knots by midnight, then veering northwest up to 30 knots late.
Mostly cloudy with a slight chance of rain showers. Waves
building to 7 to 10 feet occasionally to 13 feet.
.SUNDAY...Northwest wind up to 30 knots becoming west 10 to
20 knots in the afternoon. Partly cloudy. A slight chance of rain
showers in the morning. Waves subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots increasing to
10 to 15 knots after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves subsiding to 1 to 2 feet.

$$

LSZ250-222100-
Munising to Grand Marais MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...

.EARLY THIS MORNING...Northwest wind less than 10 knots. Mostly
cloudy. Waves 2 to 3 feet.
.TODAY...Southwest wind less than 10 knots backing south 10 to
20 knots by late morning. Cloudy. Snow showers likely possibly
mixed with rain showers by late morning. Rain showers possibly
mixed with snow showers late. Waves subsiding to 1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west up to
30 knots by midnight, then veering northwest late. Cloudy. A
chance of rain showers through midnight, then a slight chance of
rain showers late. Waves building to 8 to 11 feet occasionally to
14 feet.
.SUNDAY...Northwest wind up to 30 knots. Cloudy with a slight
chance of rain showers in the morning, then partly cloudy in the
afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.SUNDAY NIGHT...Southwest wind 10 to 15 knots. Partly cloudy in
the evening then becoming mostly cloudy. Waves subsiding to 1 to
2 feet.

$$

LSZ251-222100-
Grand Marais to Whitefish Point MI-
505 AM EST Sat Nov 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...

.EARLY THIS MORNING...Northwest wind less than 10 knots. Cloudy
with a slight chance of snow showers. Waves 2 to 4 feet subsiding
to 2 to 3 feet.
.TODAY...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 possibly mixed with snow showers late. Waves subsiding to
1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west 15 to
25 knots by midnight, then veering northwest up to 30 knots late.
Cloudy. Rain showers likely through late evening, then a chance
of rain showers by midnight. A slight chance of rain showers
late. Waves building to 8 to 11 feet occasionally to 14 feet.
.SUNDAY...Northwest wind up to 30 knots diminishing to 15 to
25 knots in the afternoon. Mostly cloudy. A chance of rain
showers in the morning. Waves building to 9 to 12 feet
occasionally to 15 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.SUNDAY NIGHT...West wind 10 to 15 knots backing southwest after
midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves subsiding to 1 to 2 feet.

$$

WFO MQT