784
FZUS53 KMQT 172102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
501 PM 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.

LMZ221-180800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
501 PM EDT Fri Oct 17 2025

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

.LATE THIS AFTERNOON...South wind 20 to 25 knots. Mostly cloudy.
Waves 3 to 5 feet occasionally to 7 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. Cloudy through midnight then becoming partly
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.
.SATURDAY...Southwest wind less than 10 knots backing south late.
Mostly sunny. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Southwest wind less than 10 knots veering north
10 to 20 knots after midnight. Cloudy. A slight chance of showers
in the evening, then showers likely after midnight. Waves
building to 2 to 3 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts up to
28 knots. Mostly cloudy. A chance of showers in the morning, then
a slight chance of showers in the afternoon. Waves building to
2 to 4 feet.

$$

LMZ248-250-180800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
501 PM EDT Fri Oct 17 2025

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

.LATE THIS AFTERNOON...South wind 20 to 25 knots. Mostly cloudy.
Waves 5 to 8 feet occasionally to 10 feet building to 6 to 9 feet
occasionally to 11 feet.
.TONIGHT...South wind 15 to 25 knots veering southwest 10 to
20 knots late. Showers likely and a slight chance of
thunderstorms through midnight, then a chance of showers and a
slight chance of thunderstorms late. Waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet.
.SATURDAY...Southwest wind less than 10 knots backing south late.
Partly cloudy. A slight chance of showers through mid morning. A
slight chance of showers late. Waves subsiding to 2 to 3 feet.
.SATURDAY NIGHT...South wind less than 10 knots backing north
10 to 20 knots after midnight. Cloudy. A slight chance of showers
in the evening, then showers likely after midnight. Waves
subsiding to 1 to 2 feet, then building to 2 to 3 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts up to
29 knots. Cloudy. Showers likely in the morning, then a chance of
showers in the afternoon. Waves building to 2 to 4 feet.

$$

LSZ240-241-180800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
501 PM EDT Fri Oct 17 2025 /401 PM CDT Fri Oct 17 2025/

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

.LATE THIS AFTERNOON...Southwest wind 10 to 15 knots with gusts
up to 22 knots. Partly cloudy with a slight chance of showers.
Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 20 knots. Partly cloudy through
late evening then clearing. 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 northwest
late. Mostly sunny through early afternoon 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.
.SUNDAY...Northwest wind 15 to 20 knots with gusts up to
27 knots. Partly cloudy. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.

$$

LSZ242-243-180800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
501 PM EDT Fri Oct 17 2025

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

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a slight chance of showers. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots becoming 10 to 20 knots
by midnight. Partly cloudy with a slight chance of showers
through late evening, then clear by midnight. Waves building to
2 to 4 feet.
.SATURDAY...Southwest wind 10 to 15 knots veering west less than
10 knots by late morning. Sunny through mid morning then becoming
partly cloudy. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Northwest wind 10 to 20 knots becoming 15 to
20 knots after midnight. Gusts up to 27 knots. Cloudy with a
chance of showers. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY...Northwest wind 20 to 25 knots with gusts up to
33 knots. Partly cloudy. A slight chance of showers in the
morning. Waves building to 3 to 6 feet occasionally to 8 feet.

$$

LSZ244-245-180800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
501 PM EDT Fri Oct 17 2025

.LATE THIS AFTERNOON...South wind 10 to 15 knots with gusts up to
22 knots. Mostly cloudy with a slight chance of showers and
thunderstorms. Waves 2 to 4 feet.
.TONIGHT...South wind 15 to 20 knots veering southwest 10 to
20 knots by midnight. Partly cloudy through midnight then
clearing. 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 5 to 15 knots becoming less than 10 knots
late. Mostly sunny. Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Northwest wind 5 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 building to 2 to 4 feet.
.SUNDAY...Northwest wind 20 to 25 knots with gusts up to
33 knots. Mostly cloudy. A slight chance of showers in the
morning. Waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ246-180800-
Point Isabelle to Lower Entrance of Portage Canal MI-
501 PM EDT Fri Oct 17 2025

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. 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. Partly cloudy through midnight then clearing. A
slight chance of showers through midnight. Waves subsiding to
1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering northwest
late. Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...Northwest wind less than 10 knots becoming 5 to
15 knots after midnight. Gusts up to 25 knots. Cloudy. A slight
chance of showers in the evening, then a chance of showers after
midnight. Waves calm to 1 foot.
.SUNDAY...Northwest wind 10 to 20 knots with gusts up to
32 knots. Cloudy with a slight chance of showers in the morning,
then partly cloudy in the afternoon. Waves building to 1 to
2 feet.

$$

LSZ247-180800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
501 PM EDT Fri Oct 17 2025

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

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves calm to
1 foot.
.TONIGHT...Southwest wind 10 to 15 knots. Partly cloudy through
midnight then clearing. A chance of showers 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 north late.
Sunny through early afternoon 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 1 to
2 feet.
.SUNDAY...Northwest wind 15 to 20 knots with gusts up to
32 knots. Cloudy with a chance of showers in the morning, then
partly cloudy with a slight chance of showers in the afternoon.
Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.

$$

LSZ248-180800-
Huron Islands to Marquette MI-
501 PM EDT Fri Oct 17 2025

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves 1 to
2 feet.
.TONIGHT...South wind 10 to 15 knots veering southwest 5 to
15 knots by midnight. Partly cloudy through midnight then
clearing. A chance of showers and a slight chance of
thunderstorms through late evening, then a slight chance of
showers by midnight. Waves 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering northwest
by late morning, then veering northeast late. Sunny through early
afternoon then becoming partly cloudy. Waves calm to 1 foot.
.SATURDAY NIGHT...North wind less than 10 knots backing northwest
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.
.SUNDAY...Northwest wind 15 to 25 knots with gusts up to
33 knots. Cloudy with a chance of showers in the morning, then
partly cloudy with a slight chance of showers in the afternoon.
Waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ249-180800-
Marquette to Munising MI-
501 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.LATE THIS AFTERNOON...South wind 15 to 20 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves 1 to
2 feet.
.TONIGHT...South wind 15 to 20 knots veering southwest 10 to
20 knots by midnight, then diminishing to less than 10 knots
late. Mostly cloudy with a chance of showers and a slight chance
of thunderstorms through midnight, then mostly clear with a
slight chance of showers late. Waves building to 2 to 3 feet,
then subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots backing northeast
late. Sunny. A slight chance of showers by late morning. 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 after midnight. Waves building to
2 to 4 feet.
.SUNDAY...Northwest wind up to 30 knots. Mostly cloudy. Showers
likely in the morning, then a chance of showers in the afternoon.
Waves building to 7 to 10 feet occasionally to 13 feet.

$$

LSZ250-180800-
Munising to Grand Marais MI-
501 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.LATE THIS AFTERNOON...South wind 15 to 20 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves 1 to
2 feet building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots veering southwest 10 to
15 knots late. Mostly cloudy with showers likely and a slight
chance of thunderstorms through midnight, then partly cloudy with
a chance of showers late. Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering west by
late morning, then veering northeast late. Mostly sunny. A slight
chance of showers by late morning. 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 after midnight. Waves building to 2 to
4 feet.
.SUNDAY...Northwest wind up to 30 knots with gale force gusts up
to 37 knots. Cloudy. Showers likely in the morning, then a chance
of showers in the afternoon. Waves building to 8 to 11 feet
occasionally to 14 feet.

$$

LSZ251-180800-
Grand Marais to Whitefish Point MI-
501 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SATURDAY...
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.LATE THIS AFTERNOON...South wind 15 to 20 knots. Mostly cloudy.
Waves 2 to 4 feet.
.TONIGHT...South wind 15 to 20 knots veering southwest 10 to
15 knots late. Showers and a slight chance of thunderstorms.
Waves subsiding to 1 to 2 feet.
.SATURDAY...Southwest wind less than 10 knots veering west by
late morning, then veering northeast late. Partly cloudy. A
slight chance of showers through early afternoon, then a chance
of showers late. Waves 1 to 2 feet.
.SATURDAY NIGHT...East wind less than 10 knots backing north
10 to 20 knots after midnight. Cloudy. A chance of showers in the
evening, then showers after midnight. Waves building to 2 to
3 feet.
.SUNDAY...Northwest wind up to 30 knots with gale force gusts up
to 37 knots. Cloudy. Showers in the morning, then a chance of
showers in the afternoon. Waves building to 9 to 12 feet
occasionally to 15 feet.

$$

WFO MQT