Nearshore Marine Forecast
Issued by NWS Marquette, MI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
409
FZUS53 KMQT 130301
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 PM EDT Sun Oct 12 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.

LMZ221-130800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 15 to 20 knots. Partly cloudy by
midnight, then mostly cloudy with a slight chance of showers
late. Waves 1 to 2 feet building to 2 to 3 feet.
.MONDAY...South wind 10 to 15 knots veering southwest 5 to
15 knots by late morning. Gusts up to 22 knots. Cloudy through
early afternoon then becoming mostly sunny. A chance of showers
through early afternoon, then a slight chance of showers late.
Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...North wind 5 to 15 knots. Mostly clear. Waves
1 to 2 feet.
.TUESDAY...North wind 10 to 15 knots. Partly cloudy. Waves 1 to
2 feet.

$$

LMZ248-250-130800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 10 to 20 knots. Partly cloudy.
Waves 2 to 3 feet building to 2 to 4 feet.
.MONDAY...South wind 15 to 20 knots veering southwest 10 to
15 knots by late morning, then diminishing to less than 10 knots
late. Mostly cloudy. A chance of showers through early afternoon,
then a slight chance of showers late. Waves subsiding to 1 to
2 feet.
.MONDAY NIGHT...North wind 5 to 15 knots. Mostly clear. Waves
1 to 2 feet.
.TUESDAY...North wind 10 to 15 knots. Partly cloudy. Waves 1 to
2 feet.

$$

LSZ240-130800-
Saxon Harbor WI to Black River MI-
1101 PM EDT Sun Oct 12 2025 /1001 PM CDT Sun Oct 12 2025/

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
MONDAY...

.REST OF TONIGHT...South wind 10 to 20 knots veering southwest
late. Gale force gusts up to 36 knots. Showers likely by
midnight, then a chance of showers late. Waves 1 to 2 feet
building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.MONDAY...West wind 10 to 15 knots. Sunny. Waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.TUESDAY...North wind less than 10 knots. Partly cloudy. Waves
1 to 2 feet.

$$

LSZ241-130800-
Black River to Ontonagon MI-
1101 PM EDT Sun Oct 12 2025 /1001 PM CDT Sun Oct 12 2025/

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

.REST OF TONIGHT...South wind 10 to 20 knots veering southwest
15 to 20 knots late. Gale force gusts up to 36 knots. Cloudy.
Showers by midnight, then a chance of showers late. Waves 1 to
2 feet building to 2 to 3 feet.
.MONDAY...West wind 15 to 20 knots. Sunny. Waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 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. Partly cloudy. Waves
subsiding to 1 to 2 feet.

$$

LSZ242-243-130800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 PM EDT Sun Oct 12 2025

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

.REST OF TONIGHT...South wind 15 to 25 knots with gale force
gusts up to 35 knots. Cloudy. A slight chance of showers by
midnight, then a chance of showers late. Waves 1 to 2 feet
building to 2 to 4 feet.
.MONDAY...West wind 15 to 20 knots with gusts up to 32 knots.
Partly cloudy through mid morning then clearing. A slight chance
of showers through mid morning. Waves building to 4 to 7 feet
occasionally to 9 feet.
.MONDAY NIGHT...West wind 15 to 20 knots veering northwest after
midnight. Gusts up to 29 knots. Mostly clear. Waves subsiding to
2 to 4 feet.
.TUESDAY...Northwest wind 10 to 20 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.

$$

LSZ244-245-130800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 PM EDT Sun Oct 12 2025

...GALE WARNING IN EFFECT UNTIL 8 AM EDT MONDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM EDT MONDAY THROUGH
TUESDAY MORNING...

.REST OF TONIGHT...South wind up to 30 knots with gale force
gusts up to 39 knots. Cloudy. A slight chance of showers by
midnight, then showers late. Waves 4 to 7 feet occasionally to
9 feet subsiding to 3 to 5 feet occasionally to 7 feet.
.MONDAY...Southwest wind 15 to 20 knots veering west 15 to
25 knots by late morning. Gusts up to 32 knots. Mostly cloudy
with a slight chance of showers through mid morning, then sunny
by late morning. Waves subsiding to 2 to 4 feet, then building to
4 to 7 feet occasionally to 9 feet.
.MONDAY NIGHT...West wind 15 to 20 knots veering northwest after
midnight. Gusts up to 29 knots. Mostly clear. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.TUESDAY...Northwest wind 10 to 20 knots with gusts up to
28 knots. Partly cloudy. Waves subsiding to 2 to 3 feet.

$$

LSZ246-130800-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 PM EDT Sun Oct 12 2025

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

.REST OF TONIGHT...South wind 10 to 20 knots. Gusts up to
29 knots. Cloudy. A slight chance of showers by midnight, then
showers late. Waves 3 to 6 feet occasionally to 8 feet subsiding
to 2 to 3 feet.
.MONDAY...Southwest wind 10 to 15 knots veering west by late
morning. Gusts up to 26 knots. Mostly cloudy with a chance of
showers through mid morning, then sunny by late morning. Waves
subsiding to 1 to 2 feet.
.MONDAY NIGHT...West wind 10 to 15 knots veering northwest after
midnight. Gusts up to 25 knots. Mostly clear. Waves 1 to 2 feet.
.TUESDAY...Northwest wind 5 to 15 knots with gusts up to
25 knots. Partly cloudy. Waves calm to 1 foot.

$$

LSZ247-130800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 PM EDT Sun Oct 12 2025

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

.REST OF TONIGHT...South wind 10 to 15 knots. Gale force gusts up
to 34 knots. Cloudy. A slight chance of showers by midnight, then
showers late. Waves 2 to 4 feet subsiding to 1 to 2 feet.
.MONDAY...Southwest wind 10 to 15 knots veering west 10 to
20 knots by late morning. Mostly cloudy with a chance of showers
through mid morning, then sunny by late morning. Waves building
to 2 to 3 feet.
.MONDAY NIGHT...West wind 10 to 15 knots veering northwest after
midnight. Gusts up to 25 knots. Mostly clear. Waves subsiding to
1 to 2 feet.
.TUESDAY...Northwest wind 5 to 15 knots with gusts up to
23 knots. Partly cloudy. Waves 1 to 2 feet.

$$

LSZ248-130800-
Huron Islands to Marquette MI-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 10 to 20 knots with gusts up to
33 knots. Cloudy. Showers likely late. Waves 2 to 4 feet
subsiding to 1 to 2 feet.
.MONDAY...Southwest wind 10 to 15 knots veering northwest 10 to
20 knots late. Mostly cloudy through mid morning then clearing. A
chance of showers through mid morning, then a slight chance of
showers by late morning. Waves building to 2 to 3 feet.
.MONDAY NIGHT...Northwest wind 10 to 15 knots. Gusts up to
25 knots. Mostly clear. Waves 2 to 3 feet.
.TUESDAY...Northwest wind 10 to 15 knots with gusts up to
23 knots. Partly cloudy. Waves building to 2 to 4 feet, then
subsiding to 2 to 3 feet.

$$

LSZ249-130800-
Marquette to Munising MI-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 10 to 20 knots with gusts up to
29 knots. Mostly cloudy. A chance of showers late. Waves 1 to
2 feet.
.MONDAY...South wind 10 to 15 knots veering southwest less than
10 knots by late morning, then veering north late. Gusts up to
24 knots. Mostly cloudy through early afternoon then clearing.
Showers likely through mid morning, then a chance of showers by
late morning. Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Northwest wind 10 to 20 knots. Mostly cloudy. Waves
3 to 5 feet occasionally to 7 feet.

$$

LSZ250-130800-
Munising to Grand Marais MI-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 15 to 20 knots with gusts up to
27 knots. Partly cloudy by midnight, then mostly cloudy with a
slight chance of showers late. Waves 1 to 2 feet building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.MONDAY...South wind 10 to 20 knots veering southwest 10 to
15 knots by late morning, then veering northwest less than
10 knots late. Cloudy through early afternoon then becoming
partly cloudy. A chance of showers through mid morning, then
showers likely by late morning. A slight chance of showers late.
Waves 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 20 knots. Mostly clear.
Waves building to 3 to 6 feet occasionally to 8 feet.
.TUESDAY...Northwest wind 15 to 20 knots. Mostly cloudy. Waves
building to 4 to 7 feet occasionally to 9 feet, then subsiding to
3 to 6 feet occasionally to 8 feet.

$$

LSZ251-130800-
Grand Marais to Whitefish Point MI-
1101 PM EDT Sun Oct 12 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT MONDAY...

.REST OF TONIGHT...South wind 10 to 20 knots. Mostly cloudy.
Waves 2 to 4 feet subsiding to 2 to 3 feet.
.MONDAY...South wind 10 to 20 knots veering west less than
10 knots late. Cloudy. A slight chance of showers through mid
morning, then showers likely by late morning. A chance of showers
late. Waves subsiding to 1 to 2 feet.
.MONDAY NIGHT...Northwest wind 10 to 20 knots. Partly cloudy. A
slight chance of showers in the evening. Waves building to 4 to
7 feet occasionally to 9 feet.
.TUESDAY...Northwest wind 15 to 25 knots. Mostly cloudy. Waves
4 to 7 feet occasionally to 9 feet.

$$

WFO MQT