282
FZUS53 KMQT 171501
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 AM EDT Fri Oct 17 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.

LMZ221-172000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...South wind 15 to 25 knots with gusts up to
32 knots. Mostly cloudy. A slight chance of showers late. Waves
2 to 4 feet building to 3 to 6 feet occasionally to 8 feet.
.TONIGHT...South wind 15 to 25 knots veering southwest 10 to
15 knots late. Mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Waves subsiding to 2 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots backing south less than
10 knots in the afternoon. Partly cloudy. A slight chance of
showers in the morning, then a slight chance of showers and
thunderstorms in the afternoon. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...West wind less than 10 knots veering north
10 to 15 knots after midnight. Cloudy. A chance of showers in the
evening, then showers likely and a slight chance of thunderstorms
after midnight. Waves 1 to 2 feet.

$$

LMZ248-250-172000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...South wind 20 to 25 knots with gale force gusts
up to 34 knots. Mostly cloudy. Waves 4 to 7 feet occasionally to
9 feet building to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...Southwest wind 15 to 25 knots with gale force gusts up
to 34 knots. Showers likely and a slight chance of thunderstorms.
Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Southwest wind 5 to 15 knots. Partly cloudy. A chance
of showers in the morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon. Waves subsiding to 2 to
3 feet.
.SATURDAY NIGHT...South wind less than 10 knots veering north
10 to 15 knots after midnight. Cloudy. A chance of showers and a
slight chance of thunderstorms in the evening, then showers
likely and a slight chance of thunderstorms after midnight. Waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet.

$$

LSZ240-241-172000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 AM EDT Fri Oct 17 2025 /1001 AM CDT Fri Oct 17 2025/

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

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts up to
23 knots. Partly cloudy with a chance of showers. Waves 1 to
2 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Mostly clear. A slight
chance of showers through late evening. Waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering west in the
afternoon. Gusts up to 18 knots. Mostly sunny in the morning then
becoming mostly cloudy. Waves 1 to 2 feet.
.SATURDAY NIGHT...Northwest wind 10 to 20 knots. Cloudy with a
chance of showers. Waves building to 2 to 4 feet.

$$

LSZ242-243-172000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...Southwest wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. A slight chance of showers by late
morning, then a chance of showers late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 20 knots. Mostly clear. A slight
chance of showers through late evening. Waves building to 2 to
4 feet, then subsiding to 2 to 3 feet.
.SATURDAY...Southwest wind 10 to 15 knots veering west in the
afternoon. Gusts up to 24 knots. Mostly sunny. Waves 2 to 3 feet.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots increasing to
15 to 20 knots after midnight. Gusts up to 27 knots. Cloudy. A
slight chance of showers in the evening, then a chance of showers
after midnight. Waves subsiding to 1 to 2 feet, then building to
3 to 5 feet occasionally to 7 feet.

$$

LSZ244-245-172000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 AM EDT Fri Oct 17 2025

.REST OF TODAY...South wind 10 to 15 knots with gusts up to
22 knots. Mostly cloudy. A slight chance of showers by late
morning, then a chance of showers late. Waves 2 to 4 feet.
.TONIGHT...Southwest wind 15 to 20 knots diminishing to 10 to
15 knots by midnight. Partly cloudy. A chance of showers and a
slight chance of thunderstorms through late evening, then a
slight chance of showers by midnight. Waves subsiding to 2 to
3 feet, then building to 2 to 4 feet.
.SATURDAY...West wind 10 to 15 knots. Gusts up to 23 knots.
Mostly sunny. Waves 2 to 3 feet.
.SATURDAY NIGHT...Northwest wind 10 to 15 knots increasing to
15 to 20 knots after midnight. Gusts up to 28 knots. Cloudy. A
slight chance of showers in the evening, then a chance of showers
after midnight. Waves subsiding to 1 to 2 feet, then building to
2 to 4 feet.

$$

LSZ246-172000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 AM EDT Fri Oct 17 2025

.REST OF TODAY...South wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. A slight chance of showers by late
morning, then a chance of showers late. Waves 1 to 2 feet
building to 2 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots becoming 5 to 15 knots
by midnight. Gusts up to 22 knots. Partly cloudy. A chance of
showers through late evening, then a slight chance of showers by
midnight. Waves subsiding to 1 to 2 feet.
.SATURDAY...West wind less than 10 knots. Gusts up to 21 knots.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Northwest wind less than 10 knots increasing to
10 to 15 knots after midnight. Gusts up to 26 knots. Cloudy. A
slight chance of showers in the evening, then a chance of showers
after midnight. Waves calm to 1 foot.

$$

LSZ247-172000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 AM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TODAY...South wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. A slight chance of showers by late
morning, then a chance of showers late. Waves calm to 1 foot.
.TONIGHT...Southwest wind 10 to 15 knots. Gusts up to 23 knots.
Partly cloudy. A chance of showers and a slight chance of
thunderstorms through late evening, then a slight chance of
showers by midnight. Waves building to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering northwest
in the afternoon. Gusts up to 20 knots. Mostly sunny. Waves calm
to 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 15 knots with gusts up to
26 knots. Cloudy with a chance of showers. Waves building to 1 to
2 feet.

$$

LSZ248-172000-
Huron Islands to Marquette MI-
1101 AM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM EDT THIS AFTERNOON...

.REST OF TODAY...South wind 10 to 15 knots with gusts up to
23 knots. Mostly cloudy. A slight chance of showers by late
morning, then a chance of showers late. Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots veering southwest 5 to
15 knots by midnight. Gusts up to 22 knots. Partly cloudy. A
chance of showers and a slight chance of thunderstorms through
late evening, then a slight chance of showers and thunderstorms
by midnight. Waves 1 to 2 feet.
.SATURDAY...West wind less than 10 knots veering northwest in the
afternoon. Gusts up to 18 knots. Sunny in the morning then
becoming partly cloudy. Waves calm to 1 foot.
.SATURDAY NIGHT...Northwest wind 5 to 15 knots with gusts up to
26 knots. Cloudy with a chance of showers. Waves building to 2 to
3 feet.

$$

LSZ249-172000-
Marquette to Munising MI-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...South wind 15 to 20 knots. Mostly cloudy. A
chance of showers late. Waves 2 to 3 feet subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots veering southwest less than
10 knots late. Mostly cloudy through late evening then becoming
partly cloudy. A chance of thunderstorms in the evening. A chance
of showers through the night. A slight chance of thunderstorms
after midnight. Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering north in
the afternoon. Mostly sunny with a slight chance of showers.
Waves calm to 1 foot.
.SATURDAY NIGHT...North wind less than 10 knots increasing to
10 to 20 knots after midnight. Cloudy. A chance of showers in the
evening, then showers likely after midnight. Waves building to
2 to 4 feet.

$$

LSZ250-172000-
Munising to Grand Marais MI-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...South wind 15 to 20 knots with gusts up to
28 knots. Mostly cloudy. A chance of showers late. Waves 2 to
3 feet subsiding to 1 to 2 feet, then building to 2 to 3 feet.
.TONIGHT...South wind 15 to 20 knots veering southwest 10 to
15 knots late. Gusts up to 28 knots. Mostly cloudy with showers
likely and a slight chance of thunderstorms through midnight,
then partly cloudy with a chance of showers and a slight chance
of thunderstorms late. Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering north in
the afternoon. Mostly sunny with a slight chance of showers.
Waves calm to 1 foot.
.SATURDAY NIGHT...Northeast wind less than 10 knots backing north
10 to 20 knots after midnight. Cloudy. A chance of showers in the
evening, then showers likely and a slight chance of thunderstorms
after midnight. Waves building to 2 to 4 feet.

$$

LSZ251-172000-
Grand Marais to Whitefish Point MI-
1101 AM EDT Fri Oct 17 2025

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

.REST OF TODAY...South wind 15 to 20 knots with gusts up to
27 knots. Cloudy with a slight chance of showers. Waves 2 to
4 feet.
.TONIGHT...South wind 15 to 20 knots diminishing to 10 to
15 knots late. Gusts up to 27 knots. Showers likely and a slight
chance of thunderstorms through midnight, then a chance of
showers and a slight chance of thunderstorms late. Waves
subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind 10 to 15 knots diminishing to less
than 10 knots in the afternoon. Partly cloudy with a chance of
showers. Waves 1 to 2 feet.
.SATURDAY NIGHT...East wind less than 10 knots backing north
10 to 20 knots after midnight. Showers likely in the evening,
then showers likely and a slight chance of thunderstorms after
midnight. Waves building to 2 to 3 feet.

$$

WFO MQT