045
FZUS53 KMQT 090902
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 AM EDT Thu Oct 9 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.

LMZ221-092000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 15 to 20 knots veering southwest late.
Partly cloudy through late evening, then a slight chance of
showers by midnight. Mostly cloudy with a chance of showers late.
Waves building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...Southwest wind 15 to 20 knots veering west in the
afternoon. Showers. Waves subsiding to 2 to 4 feet, then building
to 3 to 5 feet occasionally to 7 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots veering north after
midnight. Gusts up to 22 knots. Mostly cloudy. Showers likely in
the evening, then a slight chance of showers after midnight.
Waves subsiding to 1 to 2 feet.

$$

LMZ248-250-092000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
FRIDAY EVENING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots. Mostly sunny. Waves building
to 1 to 2 feet.
.TONIGHT...Southwest wind 15 to 20 knots increasing to 20 to
25 knots late. Partly cloudy through midnight, then mostly cloudy
with a chance of showers late. Waves building to 3 to 5 feet
occasionally to 7 feet.
.FRIDAY...Southwest wind 20 to 25 knots diminishing to 15 to
20 knots in the afternoon. Showers. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.FRIDAY NIGHT...Northwest wind 10 to 15 knots veering northeast
after midnight. Gusts up to 22 knots. Mostly cloudy. Showers
likely in the evening, then a slight chance of showers after
midnight. Waves subsiding to 2 to 3 feet.

$$

LSZ240-241-092000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 AM EDT Thu Oct 9 2025 /402 AM CDT Thu Oct 9 2025/

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

.EARLY THIS MORNING...South wind 10 to 15 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 10 to 20 knots veering southwest 15 to
20 knots late. Gusts up to 27 knots. Mostly cloudy. Showers
likely through midnight. A slight chance of thunderstorms by
midnight. A chance of showers late. Waves building to 2 to
4 feet.
.FRIDAY...West wind 15 to 20 knots veering northwest in the
afternoon. Gusts up to 27 knots. Mostly cloudy. Showers likely in
the morning, then a chance of showers in the afternoon. Waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
3 to 5 feet occasionally to 7 feet.
.FRIDAY NIGHT...North wind 15 to 20 knots veering northeast 10 to
15 knots after midnight. Cloudy. A chance of showers in the
evening. Waves subsiding to 2 to 4 feet.

$$

LSZ242-243-092000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 AM EDT Thu Oct 9 2025

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

.EARLY THIS MORNING...South wind 10 to 15 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 10 to 20 knots with gusts up to 28 knots.
Mostly clear through late evening. A slight chance of showers
through late evening, then showers by midnight. Waves building to
2 to 4 feet.
.FRIDAY...West wind 20 to 25 knots veering northwest in the
afternoon. Gusts up to 33 knots. Showers likely and a slight
chance of thunderstorms in the morning, then showers likely 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.
.FRIDAY NIGHT...North wind 15 to 20 knots veering northeast 10 to
20 knots after midnight. Gusts up to 27 knots. Cloudy. A chance
of showers in the evening. Waves subsiding to 2 to 4 feet.

$$

LSZ244-245-092000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 AM EDT Thu Oct 9 2025

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

.EARLY THIS MORNING...South wind 10 to 15 knots. Clear. Waves
1 to 2 feet.
.TODAY...South wind 10 to 15 knots. Sunny. Waves building to 2 to
3 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 27 knots.
Mostly clear through late evening, then cloudy with showers by
midnight. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.
.FRIDAY...Southwest wind 15 to 20 knots veering northwest in the
afternoon. Gusts up to 29 knots. Showers and a slight chance of
thunderstorms in the morning, then showers likely in the
afternoon. Waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet.
.FRIDAY NIGHT...North wind 15 to 20 knots veering northeast after
midnight. Cloudy. A slight chance of showers in the evening.
Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet.

$$

LSZ246-092000-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 AM EDT Thu Oct 9 2025

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

.EARLY THIS MORNING...Southwest wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...Southwest wind 10 to 15 knots backing south late. Sunny.
Waves building to 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots veering southwest 15 to
20 knots by midnight. Gusts up to 28 knots. Mostly clear with a
slight chance of showers through late evening, then cloudy with
showers by midnight. Waves building to 2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots veering northwest in the
afternoon. Gusts up to 31 knots. Showers and a slight chance of
thunderstorms in the morning, then showers likely in the
afternoon. Waves subsiding to 1 to 2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots veering northeast after
midnight. Gusts up to 24 knots. Cloudy. A chance of showers in
the evening. Waves calm to 1 foot.

$$

LSZ247-092000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 AM EDT Thu Oct 9 2025

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

.EARLY THIS MORNING...Southwest wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots with gusts up to 22 knots.
Sunny. Waves building to 1 to 2 feet.
.TONIGHT...South wind 10 to 20 knots with gusts up to 28 knots.
Mostly clear with a slight chance of showers through late
evening, then cloudy with showers by midnight. Waves building to
2 to 3 feet.
.FRIDAY...Southwest wind 10 to 15 knots veering northwest in the
afternoon. Gusts up to 31 knots. Showers and a slight chance of
thunderstorms in the morning, then showers in the afternoon.
Waves subsiding to 1 to 2 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots veering northeast after
midnight. Gusts up to 24 knots. Cloudy. A chance of showers in
the evening. Waves building to 2 to 3 feet.

$$

LSZ248-092000-
Huron Islands to Marquette MI-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 10 to 15 knots becoming 10 to 20 knots by
midnight. Mostly clear through late evening, then mostly cloudy
with a chance of showers by midnight. Cloudy with showers likely
late. Waves building to 2 to 3 feet, then subsiding to 1 to
2 feet.
.FRIDAY...Southwest wind 10 to 15 knots veering west in the
afternoon. Gusts up to 29 knots. Showers and a slight chance of
thunderstorms in the morning, then showers in the afternoon.
Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots veering northeast after
midnight. Gusts up to 24 knots. Cloudy. A chance of showers in
the evening, then a slight chance of showers after midnight.
Waves building to 2 to 4 feet.

$$

LSZ249-092000-
Marquette to Munising MI-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 15 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 27 knots.
Partly cloudy through late evening, then a slight chance of
showers by midnight. Cloudy with showers late. Waves building to
2 to 3 feet.
.FRIDAY...Southwest wind 15 to 20 knots veering west 10 to
15 knots in the afternoon. Showers. Waves building to 2 to
4 feet, then subsiding to 2 to 3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots veering northeast after
midnight. Cloudy. Showers likely in the evening, then a chance of
showers after midnight. Waves building to 2 to 4 feet.

$$

LSZ250-092000-
Munising to Grand Marais MI-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 20 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 27 knots.
Clear then becoming partly cloudy by midnight then becoming
mostly cloudy. A slight chance of showers by midnight. Showers
likely late. Waves building to 2 to 3 feet.
.FRIDAY...South wind 15 to 20 knots veering southwest in the
afternoon. Gusts up to 27 knots. Showers. Waves building to 2 to
4 feet, then subsiding to 2 to 3 feet.
.FRIDAY NIGHT...North wind 10 to 15 knots veering northeast after
midnight. Cloudy. Showers likely in the evening, then a chance of
showers after midnight. Waves building to 2 to 4 feet, then
subsiding to 2 to 3 feet.

$$

LSZ251-092000-
Grand Marais to Whitefish Point MI-
502 AM EDT Thu Oct 9 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY AFTERNOON...

.EARLY THIS MORNING...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind 10 to 20 knots. Sunny. Waves building to 1 to
2 feet.
.TONIGHT...South wind 15 to 20 knots. Mostly clear through
midnight then becoming mostly cloudy. A slight chance of showers
late. Waves building to 2 to 3 feet.
.FRIDAY...South wind 15 to 20 knots. Showers. Waves building to
2 to 4 feet, then subsiding to 2 to 3 feet.
.FRIDAY NIGHT...East wind 10 to 15 knots. Cloudy. Showers likely
in the evening, then a slight chance of showers after midnight.
Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.

$$

WFO MQT