943
FZUS53 KMQT 160902
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
501 AM EDT Thu Oct 16 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.

LMZ221-162000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Northeast wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...East wind less than 10 knots veering south 5 to 15 knots
by late morning. Sunny through mid morning then becoming partly
cloudy. A slight chance of rain late. Waves building to 1 to
2 feet.
.TONIGHT...South wind 10 to 20 knots. A chance of rain through
late evening, then rain by midnight. Waves building to 2 to
3 feet.
.FRIDAY...South wind 15 to 25 knots. Mostly cloudy. A slight
chance of showers in the morning. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY NIGHT...South wind 15 to 25 knots. Showers likely. Waves
subsiding to 2 to 4 feet.

$$

LMZ248-250-162000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Northeast wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...East wind less than 10 knots veering south by late
morning. Partly cloudy. A slight chance of rain late. Waves calm
to 1 foot.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots
late. A chance of rain through late evening, then rain by
midnight. Waves building to 2 to 4 feet.
.FRIDAY...South wind 20 to 25 knots with gale force gusts up to
35 knots. Cloudy. A chance of showers in the morning. Waves
building to 7 to 10 feet occasionally to 13 feet.
.FRIDAY NIGHT...South wind 15 to 25 knots with gale force gusts
up to 35 knots. Showers likely in the evening, then showers
likely and a slight chance of thunderstorms after midnight. Waves
subsiding to 4 to 7 feet occasionally to 9 feet.

$$

LSZ240-162000-
Saxon Harbor WI to Black River MI-
501 AM EDT Thu Oct 16 2025 /401 AM CDT Thu Oct 16 2025/

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

.EARLY THIS MORNING...South wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...South wind less than 10 knots with gusts up to 19 knots.
Cloudy. A slight chance of rain through mid morning, then a
chance of rain by late morning. Rain likely late. Waves calm to
1 foot.
.TONIGHT...South wind 10 to 20 knots. Cloudy. A chance of rain
through late evening, then rain likely by midnight. A chance of
rain late. Waves building to 2 to 3 feet.
.FRIDAY...South wind 10 to 20 knots. Partly cloudy with a chance
of showers. Waves subsiding to 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.

$$

LSZ241-162000-
Black River to Ontonagon MI-
501 AM EDT Thu Oct 16 2025 /401 AM CDT Thu Oct 16 2025/

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

.EARLY THIS MORNING...Southeast wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...Southeast wind less than 10 knots. Gusts up to 17 knots.
Partly cloudy through mid morning then becoming cloudy. A chance
of rain by late morning. Rain likely late. Waves calm to 1 foot.
.TONIGHT...South wind 10 to 15 knots becoming 10 to 20 knots
late. Cloudy. A chance of rain through late evening, then rain
likely by midnight. A chance of rain late. Waves building to 1 to
2 feet.
.FRIDAY...South wind 10 to 20 knots. Partly cloudy with a chance
of showers. Waves building to 2 to 3 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots with gusts up to
22 knots. Mostly clear. A slight chance of showers in the
evening. Waves subsiding to 1 to 2 feet.

$$

LSZ242-243-162000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...South wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...Southeast wind less than 10 knots. Gusts up to 18 knots.
Mostly cloudy. A slight chance of rain by late morning. Rain
likely late. Waves calm to 1 foot.
.TONIGHT...Southeast wind 10 to 15 knots veering south by
midnight. Gusts up to 22 knots. Cloudy with a chance of rain.
Waves building to 1 to 2 feet.
.FRIDAY...South wind 10 to 15 knots with gusts up to 24 knots.
Mostly cloudy with a chance of showers. Waves 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind 15 to 20 knots. Gusts up to
28 knots. Mostly clear. A slight chance of showers in the
evening. Waves building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ244-245-162000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Variable wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...Southeast wind 5 to 15 knots increasing to 15 to
20 knots late. Partly cloudy through early afternoon, then cloudy
with a chance of rain late. Waves building to 2 to 3 feet.
.TONIGHT...South wind 15 to 25 knots becoming 15 to 20 knots
late. Rain through midnight, then a chance of rain late. Waves
building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...South wind 10 to 20 knots. Mostly cloudy with a chance
of showers. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Southwest wind 10 to 20 knots becoming 10 to
15 knots after midnight. Partly cloudy. A chance of showers in
the evening. Waves subsiding to 2 to 3 feet, then building to
2 to 4 feet.

$$

LSZ246-162000-
Point Isabelle to Lower Entrance of Portage Canal MI-
501 AM EDT Thu Oct 16 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 5 to 15 knots backing southeast 10 to
15 knots by late morning. Partly cloudy through early afternoon,
then cloudy with a chance of rain late. Waves building to 2 to
3 feet.
.TONIGHT...Southeast wind 15 to 20 knots veering south 10 to
15 knots by midnight. Rain through late evening, then a chance of
rain by midnight. Waves building to 2 to 4 feet, then subsiding
to 2 to 3 feet.
.FRIDAY...South wind 10 to 15 knots with gusts up to 24 knots.
Mostly cloudy with a chance of showers. Waves subsiding to 1 to
2 feet, then building to 2 to 3 feet.
.FRIDAY NIGHT...Southwest wind 10 to 15 knots diminishing to less
than 10 knots after midnight. Gusts up to 25 knots. Partly
cloudy. A chance of showers in the evening. Waves subsiding to
1 to 2 feet.

$$

LSZ247-162000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Variable wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...South wind less than 10 knots backing southeast by late
morning. Gusts up to 17 knots. Partly cloudy through early
afternoon, then cloudy with rain likely late. Waves building to
1 to 2 feet.
.TONIGHT...Southeast wind 10 to 15 knots veering south by
midnight. Gusts up to 25 knots. Cloudy with a chance of rain.
Waves 1 to 2 feet.
.FRIDAY...South wind 10 to 15 knots with gusts up to 27 knots.
Mostly cloudy with a chance of showers. Waves building to 1 to
2 feet.
.FRIDAY NIGHT...Southwest wind 5 to 15 knots with gusts up to
25 knots. Partly cloudy. A chance of showers in the evening.
Waves 1 to 2 feet.

$$

LSZ248-162000-
Huron Islands to Marquette MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Variable wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...South wind less than 10 knots backing southeast 10 to
15 knots by late morning. Mostly sunny through mid morning then
becoming mostly cloudy. A chance of rain late. Waves building to
1 to 2 feet.
.TONIGHT...Southeast wind 15 to 20 knots veering south late.
Rain. Waves building to 2 to 3 feet.
.FRIDAY...South wind 10 to 20 knots. Mostly cloudy with a chance
of showers. Waves subsiding to 1 to 2 feet.
.FRIDAY NIGHT...South wind 10 to 15 knots veering southwest less
than 10 knots after midnight. Gusts up to 23 knots. Mostly cloudy
with a chance of showers in the evening, then partly cloudy with
a slight chance of showers after midnight. Waves 1 to 2 feet.

$$

LSZ249-162000-
Marquette to Munising MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Variable wind less than 10 knots. Clear.
Waves calm to 1 foot.
.TODAY...South wind less than 10 knots increasing to 10 to
15 knots late. Mostly sunny through early afternoon, then mostly
cloudy with a chance of rain late. Waves calm to 1 foot.
.TONIGHT...South wind 10 to 20 knots becoming 15 to 20 knots
late. Rain. Waves building to 2 to 3 feet.
.FRIDAY...South wind 15 to 20 knots. Mostly cloudy with a chance
of showers. Waves subsiding to 1 to 2 feet, then building to 2 to
3 feet.
.FRIDAY NIGHT...South wind 10 to 20 knots. Mostly cloudy with
showers likely in the evening, then partly cloudy with a chance
of showers after midnight. Waves subsiding to 1 to 2 feet.

$$

LSZ250-162000-
Munising to Grand Marais MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...East wind less than 10 knots. Clear. Waves
calm to 1 foot.
.TODAY...South wind less than 10 knots backing southeast late.
Mostly sunny through early afternoon then becoming mostly cloudy.
A slight chance of rain late. Waves calm to 1 foot.
.TONIGHT...South wind 10 to 20 knots. Rain. Waves building to
2 to 3 feet.
.FRIDAY...South wind 15 to 20 knots with gusts up to 29 knots.
Mostly cloudy. Showers likely in the morning, then a chance of
showers in the afternoon. Waves 2 to 3 feet.
.FRIDAY NIGHT...South wind 15 to 25 knots. Mostly cloudy. Showers
in the evening, then a chance of showers after midnight. Waves
building to 2 to 4 feet, then subsiding to 1 to 2 feet.

$$

LSZ251-162000-
Grand Marais to Whitefish Point MI-
501 AM EDT Thu Oct 16 2025

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

.EARLY THIS MORNING...Northeast wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind less than 10 knots backing southeast by late
morning. Mostly sunny through early afternoon then becoming
mostly cloudy. A slight chance of rain late. Waves calm to
1 foot.
.TONIGHT...South wind 5 to 15 knots increasing to 15 to 20 knots
late. A chance of rain through late evening, then rain by
midnight. Waves building to 2 to 4 feet.
.FRIDAY...South wind 15 to 20 knots with gusts up to 29 knots.
Cloudy. Showers in the morning, then a slight chance of showers
in the afternoon. Waves 2 to 4 feet.
.FRIDAY NIGHT...South wind 15 to 25 knots. Showers in the
evening, then showers likely and a slight chance of thunderstorms
after midnight. Waves subsiding to 2 to 3 feet.

$$

WFO MQT