501
FZUS53 KMQT 050901
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
501 AM EDT Sun Oct 5 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.

LMZ221-052000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots. Clear. Waves
2 to 3 feet.
.TODAY...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.
.TONIGHT...South wind 15 to 25 knots veering west 10 to 20 knots
late. Gusts up to 33 knots. Clear through late evening, then
mostly cloudy with showers likely and a slight chance of
thunderstorms by midnight. Waves subsiding to 2 to 3 feet.
.MONDAY...Northwest wind 5 to 15 knots veering north less than
10 knots in the afternoon. Cloudy with a chance of showers. Waves
subsiding to 1 to 2 feet.
.MONDAY NIGHT...Variable wind less than 10 knots becoming
northwest less than 10 knots after midnight. Mostly cloudy with a
chance of showers in the evening, then mostly clear after
midnight. Waves calm to 1 foot.

$$

LMZ248-250-052000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots. Clear. Waves
3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet.
.TODAY...South wind 15 to 25 knots with gusts up to 33 knots.
Mostly sunny. Waves building to 5 to 8 feet occasionally to
10 feet.
.TONIGHT...South wind 20 to 25 knots veering west 10 to 20 knots
late. Gale force gusts up to 34 knots. Clear through late
evening, then mostly cloudy with showers likely and a slight
chance of thunderstorms by midnight. Waves subsiding to 3 to
5 feet occasionally to 7 feet.
.MONDAY...Northwest wind 10 to 15 knots veering north less than
10 knots in the afternoon. Cloudy with a chance of showers. Waves
subsiding to 1 to 2 feet.
.MONDAY NIGHT...Variable wind less than 10 knots becoming
northwest less than 10 knots after midnight. Cloudy with a chance
of showers in the evening, then partly cloudy after midnight.
Waves 1 to 2 feet.

$$

LSZ240-241-052000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
501 AM EDT Sun Oct 5 2025 /401 AM CDT Sun Oct 5 2025/

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

.EARLY THIS MORNING...Southwest wind 15 to 20 knots with gusts up
to 30 knots. Clear. Waves 2 to 4 feet.
.TODAY...South wind 15 to 25 knots with gale force gusts up to
34 knots. Sunny through early afternoon then becoming partly
cloudy. A slight chance of showers and thunderstorms late. Waves
building to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...Southwest wind 20 to 25 knots veering northwest 15 to
20 knots late. Gusts up to 32 knots. Mostly cloudy with a chance
of showers and a slight chance of thunderstorms through late
evening, then partly cloudy by midnight. 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 10 to 15 knots backing west less than
10 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.
.MONDAY NIGHT...West wind 5 to 15 knots. Mostly clear. Waves
building to 2 to 4 feet.

$$

LSZ242-243-052000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 15 to 20 knots with gusts up to
28 knots. Mostly clear. Waves 2 to 3 feet.
.TODAY...South wind 15 to 25 knots with gale force gusts up to
39 knots. Mostly sunny. A slight chance of showers and
thunderstorms late. Waves building to 2 to 4 feet.
.TONIGHT...Southwest wind 20 to 25 knots veering northwest late.
Gale force gusts up to 39 knots. Mostly cloudy with a slight
chance of showers and thunderstorms through late evening, then
partly cloudy by midnight. Waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.MONDAY...Northwest wind 10 to 20 knots backing west 10 to
15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.
.MONDAY NIGHT...West wind 10 to 20 knots becoming 15 to 20 knots
after midnight. Gusts up to 27 knots. Mostly clear. Waves
building to 3 to 6 feet occasionally to 8 feet.

$$

LSZ245-052000-
Manitou Island to Point Isabelle MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots. Partly cloudy.
Waves 2 to 4 feet.
.TODAY...South wind 15 to 20 knots with gusts up to 33 knots.
Sunny. Waves building to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...South wind 15 to 20 knots veering northwest late.
Gusts up to 33 knots. Mostly cloudy through midnight then
becoming partly cloudy. A slight chance of showers and
thunderstorms through midnight. Waves subsiding to 2 to 4 feet.
.MONDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Gusts up to 24 knots. Mostly cloudy.
Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...West wind 10 to 15 knots. Gusts up to 23 knots.
Partly cloudy in the evening then clearing. Waves 1 to 2 feet.

$$

LSZ244-052000-
Eagle River to Manitou Island MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. Waves 2 to 3 feet.
.TODAY...South wind 15 to 25 knots with gale force gusts up to
35 knots. Sunny. A slight chance of showers late. Waves building
to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...Southwest wind 20 to 25 knots veering northwest late.
Gale force gusts up to 37 knots. Mostly cloudy with a slight
chance of showers and thunderstorms through midnight, then partly
cloudy late. Waves subsiding to 2 to 4 feet, then building to
6 to 9 feet occasionally to 11 feet.
.MONDAY...Northwest wind 10 to 20 knots backing west 10 to
15 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to
2 feet.
.MONDAY NIGHT...West wind 10 to 20 knots becoming 15 to 20 knots
after midnight. Gusts up to 27 knots. Partly cloudy in the
evening then clearing. Waves building to 3 to 5 feet occasionally
to 7 feet.

$$

LSZ246-052000-
Point Isabelle to Lower Entrance of Portage Canal MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...Southwest wind 10 to 15 knots with gusts up
to 29 knots. Partly cloudy. Waves 2 to 3 feet.
.TODAY...South wind 10 to 20 knots with gale force gusts up to
36 knots. Sunny. A slight chance of showers late. Waves building
to 2 to 4 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering northwest 10 to
15 knots late. Gale force gusts up to 36 knots. Mostly cloudy
through midnight then becoming partly cloudy. A chance of showers
and a slight chance of thunderstorms through midnight. Waves
subsiding to 1 to 2 feet.
.MONDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Gusts up to 24 knots. Mostly cloudy.
Waves 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 15 knots with gusts up to
23 knots. Partly cloudy in the evening then clearing. Waves calm
to 1 foot.

$$

LSZ247-052000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...Southwest wind 15 to 20 knots with gusts up
to 28 knots. Mostly clear. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.TODAY...South wind 15 to 20 knots with gale force gusts up to
36 knots. Sunny. A slight chance of showers late. Waves subsiding
to 1 to 2 feet, then building to 2 to 3 feet.
.TONIGHT...Southwest wind 15 to 20 knots veering west late. Gale
force gusts up to 36 knots. Mostly cloudy. A chance of showers
and a slight chance of thunderstorms through midnight. Waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet.
.MONDAY...Northwest wind 10 to 15 knots backing west less than
10 knots in the afternoon. Gusts up to 24 knots. Mostly cloudy.
Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...West wind 5 to 15 knots with gusts up to
23 knots. Partly cloudy in the evening then clearing. Waves calm
to 1 foot.

$$

LSZ248-052000-
Huron Islands to Marquette MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 15 to 20 knots. Clear. Waves
1 to 2 feet building to 2 to 3 feet.
.TODAY...South wind 10 to 20 knots with gale force gusts up to
35 knots. Sunny. Waves subsiding to 1 to 2 feet, then building to
2 to 4 feet.
.TONIGHT...South wind 15 to 20 knots veering northwest late. Gale
force gusts up to 34 knots. Partly cloudy through late evening
then becoming mostly cloudy. A chance of showers and a slight
chance of thunderstorms through midnight, then a slight chance of
showers late. 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.
Mostly cloudy. Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...Southwest wind less than 10 knots veering west
10 to 15 knots after midnight. Gusts up to 23 knots. Partly
cloudy in the evening then clearing. Waves 1 to 2 feet.

$$

LSZ249-052000-
Marquette to Munising MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 15 to 20 knots. Clear. Waves
1 to 2 feet.
.TODAY...South wind 15 to 25 knots with gale force gusts up to
35 knots. Sunny. Waves building to 2 to 4 feet.
.TONIGHT...South wind 20 to 25 knots veering northwest 15 to
20 knots late. Gale force gusts up to 34 knots. Partly cloudy
through late evening then becoming cloudy. A chance of showers
and a slight chance of thunderstorms. Waves subsiding to 2 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest wind 5 to 15 knots. Mostly cloudy with a
slight chance of showers. Waves subsiding to 2 to 3 feet.
.MONDAY NIGHT...West wind 5 to 15 knots. Partly cloudy. A slight
chance of showers in the evening. Waves subsiding to 1 to 2 feet.

$$

LSZ250-052000-
Munising to Grand Marais MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South wind 15 to 20 knots. Mostly clear.
Waves 1 to 2 feet.
.TODAY...South wind 15 to 25 knots with gale force gusts up to
36 knots. Sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.TONIGHT...South wind 20 to 25 knots veering west 15 to 20 knots
late. Gale force gusts up to 35 knots. Mostly clear with a chance
of showers and a slight chance of thunderstorms through late
evening, then showers and a slight chance of thunderstorms by
midnight. Waves subsiding to 2 to 4 feet, then building to 3 to
6 feet occasionally to 8 feet.
.MONDAY...Northwest wind 15 to 20 knots diminishing to 5 to
15 knots in the afternoon. Mostly cloudy with a slight chance of
showers. Waves subsiding to 2 to 4 feet.
.MONDAY NIGHT...West wind 5 to 15 knots. Mostly cloudy with a
slight chance of showers in the evening, then mostly clear after
midnight. Waves subsiding to 1 to 2 feet, then building to 2 to
3 feet.

$$

LSZ251-052000-
Grand Marais to Whitefish Point MI-
501 AM EDT Sun Oct 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots with gusts up to
23 knots. Mostly clear. Waves 1 to 2 feet.
.TODAY...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.
.TONIGHT...South wind 20 to 25 knots veering west 15 to 20 knots
late. Gale force gusts up to 35 knots. Mostly clear with a slight
chance of showers and thunderstorms through late evening, then
mostly cloudy with showers and a slight chance of thunderstorms
by midnight. Waves subsiding to 2 to 4 feet, then building to
3 to 6 feet occasionally to 8 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 subsiding to 2 to 4 feet.
.MONDAY NIGHT...West wind 5 to 15 knots. Mostly cloudy with a
slight chance of showers in the evening, then mostly clear after
midnight. Waves subsiding to 1 to 2 feet, then building to 2 to
3 feet.

$$

WFO MQT