248
FZUS53 KMQT 102102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Fri Oct 10 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.

LMZ221-110800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Fri Oct 10 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots. Partly
cloudy. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots veering north by
midnight. Partly cloudy through late evening then becoming mostly
cloudy. A slight chance of rain showers through late evening.
Waves subsiding to 2 to 3 feet.
.SATURDAY...North wind 10 to 15 knots veering east less than
10 knots late. Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...East wind 5 to 15 knots veering southeast 10 to
15 knots after midnight. Partly cloudy. Waves calm to 1 foot.
.SUNDAY...South wind 10 to 15 knots. Partly cloudy. Waves 1 to
2 feet.

$$

LMZ248-250-110800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Fri Oct 10 2025

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

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots with gusts
up to 28 knots. Partly cloudy with a slight chance of showers.
Waves 3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...Northwest wind 15 to 20 knots veering north by
midnight. Mostly cloudy. A slight chance of showers through
midnight. Waves subsiding to 2 to 3 feet.
.SATURDAY...Northeast wind 10 to 15 knots veering east less than
10 knots late. Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...East wind 10 to 15 knots veering southeast
after midnight. Partly cloudy. Waves calm to 1 foot.
.SUNDAY...Southeast wind 10 to 15 knots. Mostly sunny. Waves 1 to
2 feet.

$$

LSZ240-241-110800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Fri Oct 10 2025 /402 PM CDT Fri Oct 10 2025/

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS
EVENING...

.LATE THIS AFTERNOON...Northwest wind 10 to 20 knots. Mostly
sunny. Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
4 feet.
.TONIGHT...Northwest wind 10 to 15 knots veering northeast less
than 10 knots late. Mostly clear. Waves subsiding to 2 to 3 feet.
.SATURDAY...Southeast wind less than 10 knots backing east by
late morning. Sunny. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 5 to 15 knots veering south
10 to 15 knots after midnight. Gusts up to 22 knots. Clear in the
evening then becoming partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 20 knots with gusts up to 29 knots.
Mostly cloudy. Waves building to 2 to 3 feet.

$$

LSZ243-110800-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots with gale
force gusts up to 34 knots. Mostly cloudy. Waves 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...North wind 15 to 20 knots veering northeast 10 to
20 knots by midnight. Mostly cloudy through late evening then
becoming partly cloudy. Waves subsiding to 3 to 5 feet
occasionally to 7 feet, then building to 3 to 6 feet occasionally
to 8 feet.
.SATURDAY...East wind less than 10 knots with gusts up to
18 knots. Mostly sunny. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots veering south
after midnight. Gusts up to 22 knots. Mostly clear. Waves calm to
1 foot.
.SUNDAY...Southeast wind 15 to 20 knots with gusts up to
29 knots. Mostly cloudy. Waves building to 2 to 3 feet, then
subsiding to 1 to 2 feet.

$$

LSZ242-110800-
Ontonagon to Upper Entrance of Portage Canal MI-
502 PM EDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots with gusts
up to 30 knots. Mostly cloudy. Waves 3 to 6 feet occasionally to
8 feet subsiding to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...North wind 15 to 20 knots veering northeast 10 to
15 knots late. Partly cloudy. Waves subsiding to 2 to 4 feet,
then building to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...East wind less than 10 knots. Gusts up to 18 knots.
Mostly sunny. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots veering south
after midnight. Gusts up to 23 knots. Mostly clear. Waves calm to
1 foot.
.SUNDAY...South wind 15 to 20 knots with gusts up to 29 knots.
Mostly cloudy. Waves 1 to 2 feet.

$$

LSZ244-245-110800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots with gale
force gusts up to 37 knots. Cloudy. Waves 6 to 9 feet
occasionally to 11 feet.
.TONIGHT...North wind 15 to 25 knots with gusts up to 32 knots
veering northeast 10 to 15 knots late. Mostly cloudy through late
evening then becoming partly cloudy. Waves subsiding to 2 to
4 feet.
.SATURDAY...East wind less than 10 knots veering southeast by
late morning. Gusts up to 18 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots veering south
15 to 20 knots after midnight. Partly cloudy. Waves building to
2 to 3 feet.
.SUNDAY...Southeast wind 15 to 25 knots with gale force gusts up
to 37 knots. Mostly cloudy. Waves building to 3 to 6 feet
occasionally to 8 feet.

$$

LSZ246-110800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots with gale
force gusts up to 34 knots. Mostly cloudy. Waves 2 to 3 feet
subsiding to 1 to 2 feet.
.TONIGHT...North wind 10 to 20 knots with gusts up to 29 knots
diminishing to less than 10 knots with gusts up to 18 knots late.
Mostly cloudy through late evening then becoming partly cloudy.
Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.SATURDAY...East wind less than 10 knots. Gusts up to 19 knots.
Mostly cloudy through early afternoon then becoming mostly sunny.
Waves calm to 1 foot.
.SATURDAY NIGHT...Southeast wind 10 to 15 knots veering south
less than 10 knots after midnight. Gusts up to 23 knots. Mostly
clear. Waves building to 1 to 2 feet.
.SUNDAY...Southeast wind 10 to 20 knots with gusts up to
33 knots. Mostly cloudy. Waves building to 2 to 4 feet.

$$

LSZ247-110800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 15 to 20 knots with gale
force gusts up to 34 knots. Cloudy. Waves 2 to 4 feet.
.TONIGHT...Northwest wind 15 to 20 knots with gusts up to
28 knots veering north 10 to 20 knots with gusts up to 28 knots
by midnight. Cloudy then becoming partly cloudy by midnight then
becoming mostly cloudy. Waves subsiding to 2 to 3 feet, then
building to 2 to 4 feet.
.SATURDAY...East wind less than 10 knots. Gusts up to 19 knots.
Partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Gusts up to 21 knots. Mostly clear. Waves 1 to
2 feet.
.SUNDAY...South wind 10 to 15 knots with gusts up to 28 knots.
Partly cloudy. Waves building to 1 to 2 feet.

$$

LSZ248-110800-
Huron Islands to Marquette MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots with gale
force gusts up to 34 knots. Cloudy with a slight chance of
showers. Waves 3 to 6 feet occasionally to 8 feet building to
4 to 7 feet occasionally to 9 feet.
.TONIGHT...Northwest wind 20 to 25 knots veering north 15 to
25 knots by midnight. Cloudy. A slight chance of showers through
midnight. Waves building to 6 to 9 feet occasionally to 11 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northeast wind less than 10 knots veering east by
late morning. Gusts up to 19 knots. Mostly cloudy through early
afternoon then becoming mostly sunny. Waves subsiding to 1 to
2 feet.
.SATURDAY NIGHT...Southeast wind 5 to 15 knots. Partly cloudy.
Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 20 knots with gusts up to 29 knots.
Partly cloudy. Waves building to 2 to 4 feet.

$$

LSZ249-110800-
Marquette to Munising MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots with gale
force gusts up to 36 knots. Cloudy with a chance of showers.
Waves 5 to 8 feet occasionally to 10 feet building to 6 to 9 feet
occasionally to 11 feet.
.TONIGHT...Northwest wind 20 to 25 knots veering north 15 to
25 knots by midnight. Gusts up to 32 knots. Cloudy. A chance of
showers through late evening, then a slight chance of showers by
midnight. Waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northeast wind 5 to 15 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind less than 10 knots veering south
10 to 15 knots after midnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 10 to 20 knots. Partly cloudy. Waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet.

$$

LSZ250-110800-
Munising to Grand Marais MI-
502 PM EDT Fri Oct 10 2025

...GALE WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...Northwest wind 20 to 25 knots with gale
force gusts up to 37 knots. Cloudy with a chance of showers.
Waves 5 to 8 feet occasionally to 10 feet building to 7 to
10 feet occasionally to 13 feet.
.TONIGHT...Northwest wind 20 to 25 knots veering north 15 to
20 knots late. Gusts up to 33 knots. Cloudy. A chance of showers
through late evening, then a slight chance of showers by
midnight. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northeast wind 5 to 15 knots. Partly cloudy. Waves
subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southeast wind 5 to 15 knots becoming 10 to
15 knots after midnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...South wind 15 to 20 knots. Mostly sunny. Waves building
to 2 to 3 feet.

$$

LSZ251-110800-
Grand Marais to Whitefish Point MI-
502 PM EDT Fri Oct 10 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...West wind 20 to 25 knots with gale force
gusts up to 36 knots. Cloudy with a chance of showers and a
slight chance of thunderstorms. Waves 4 to 7 feet occasionally to
9 feet building to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...Northwest wind 20 to 25 knots veering northeast 15 to
20 knots late. Cloudy. A chance of showers through late evening,
then a slight chance of showers by midnight. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northeast wind 10 to 15 knots veering east less than
10 knots by late morning. Partly cloudy. Waves subsiding to 1 to
2 feet.
.SATURDAY NIGHT...Southeast wind 5 to 15 knots becoming 10 to
15 knots after midnight. Partly cloudy. Waves 1 to 2 feet.
.SUNDAY...Southeast wind 15 to 20 knots. Mostly sunny. Waves
building to 2 to 3 feet.

$$

WFO MQT