900
FZUS53 KMQT 040902
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
501 AM EDT Sat Oct 4 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.

LMZ221-042000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Patchy fog. Waves calm to 1 foot.
.TODAY...South wind 10 to 15 knots with gusts up to 28 knots
increasing to 15 to 20 knots with gusts up to 28 knots late.
Sunny. Waves building to 2 to 4 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 29 knots.
Clear. Waves subsiding to 2 to 3 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Mostly sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind 15 to 25 knots veering southwest 10 to
20 knots after midnight. Gusts up to 33 knots. Mostly clear with
a slight chance of showers in the evening, then mostly cloudy
with a chance of showers and a slight chance of thunderstorms
after midnight. Waves subsiding to 2 to 3 feet.

$$

LMZ248-250-042000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves 1 to 2 feet.
.TODAY...South wind 10 to 20 knots with gusts up to 27 knots.
Sunny. Waves building to 2 to 4 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 28 knots.
Mostly clear. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
34 knots. Mostly sunny. Waves building to 5 to 8 feet
occasionally to 10 feet.
.SUNDAY NIGHT...South wind 20 to 25 knots veering southwest 10 to
20 knots after midnight. Gale force gusts up to 36 knots. Mostly
clear with a chance of showers in the evening, then mostly cloudy
with a chance of showers and a slight chance of thunderstorms
after midnight. Waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ240-241-042000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
501 AM EDT Sat Oct 4 2025 /401 AM CDT Sat Oct 4 2025/

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS
MORNING THROUGH SUNDAY EVENING...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear.
Waves 1 to 2 feet.
.TODAY...South wind 10 to 20 knots with gusts up to 28 knots.
Sunny. Waves building to 2 to 3 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 32 knots.
Mostly clear. Waves building to 2 to 4 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny. A slight chance of showers and thunderstorms in the
afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...Southwest wind 15 to 25 knots veering west 15 to
20 knots after midnight. Gusts up to 32 knots. Partly cloudy. A
chance of showers and a slight chance of thunderstorms in the
evening. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.

$$

LSZ242-243-042000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear.
Waves calm to 1 foot building to 1 to 2 feet.
.TODAY...South wind 10 to 15 knots with gusts up to 26 knots.
Sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 28 knots.
Mostly clear. Waves building to 2 to 3 feet, then subsiding to
1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
37 knots. Sunny. A chance of showers and a slight chance of
thunderstorms in the afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet.
.SUNDAY NIGHT...Southwest wind 20 to 25 knots veering west 15 to
25 knots after midnight. Gale force gusts up to 37 knots. Partly
cloudy. A chance of showers and a slight chance of thunderstorms
in the evening. Waves building to 5 to 8 feet occasionally to
10 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ245-042000-
Manitou Island to Point Isabelle MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots. Partly cloudy.
Patchy fog. Waves calm to 1 foot building to 1 to 2 feet.
.TODAY...South wind 10 to 15 knots. Gusts up to 22 knots. Partly
cloudy through mid morning then clearing. Patchy fog through mid
morning. Waves building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots. Partly cloudy. Waves
building to 2 to 4 feet, then subsiding to 2 to 3 feet.
.SUNDAY...South wind 15 to 20 knots with gusts up to 31 knots.
Sunny. A slight chance of showers in the afternoon. Waves
building to 3 to 5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west after
midnight. Gusts up to 31 knots. Partly cloudy. A chance of
showers and a slight chance of thunderstorms in the evening.
Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet.

$$

LSZ244-042000-
Eagle River to Manitou Island MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear.
Patchy fog. Waves 1 to 2 feet.
.TODAY...South wind 10 to 15 knots with gusts up to 23 knots.
Mostly sunny. Waves building to 2 to 3 feet.
.TONIGHT...South wind 10 to 20 knots. Partly cloudy. Waves 2 to
3 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny. A chance of showers in the afternoon. Waves building to
2 to 4 feet.
.SUNDAY NIGHT...Southwest wind 20 to 25 knots veering west after
midnight. Gusts up to 33 knots. Partly cloudy. A chance of
showers and a slight chance of thunderstorms in the evening.
Waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet.

$$

LSZ246-042000-
Point Isabelle to Lower Entrance of Portage Canal MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Patchy fog. Waves calm to 1 foot.
.TODAY...Southwest wind less than 10 knots backing south 10 to
15 knots by late morning. Gusts up to 27 knots. Partly cloudy
through mid morning then clearing. Patchy fog through mid
morning. Waves building to 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 20 knots with gusts up to
29 knots. Partly cloudy. Waves building to 2 to 3 feet, then
subsiding to 1 to 2 feet.
.SUNDAY...South wind 15 to 20 knots with gale force gusts up to
34 knots. Sunny. A slight chance of showers in the afternoon.
Waves building to 2 to 4 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west 10 to
20 knots after midnight. Gale force gusts up to 35 knots. Partly
cloudy. A chance of showers and a slight chance of thunderstorms
in the evening. Waves subsiding to 1 to 2 feet.

$$

LSZ247-042000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM EDT THIS MORNING
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
clear. Patchy fog. Waves calm to 1 foot.
.TODAY...Southwest wind 5 to 15 knots with gusts up to 28 knots.
Sunny. Waves building to 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 20 knots with gusts up to
29 knots. Mostly clear. Waves building to 2 to 3 feet, then
subsiding to 1 to 2 feet.
.SUNDAY...South wind 15 to 20 knots with gale force gusts up to
34 knots. Sunny. Waves subsiding to 1 to 2 feet, then building to
2 to 3 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west after
midnight. Gale force gusts up to 35 knots. Partly cloudy. A
chance of showers and a slight chance of thunderstorms in the
evening, then a slight chance of showers after midnight. Waves
subsiding to 1 to 2 feet.

$$

LSZ248-042000-
Huron Islands to Marquette MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 10 to 15 knots with gusts up to 24 knots.
Sunny. Waves building to 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 31 knots.
Mostly clear. Waves building to 2 to 3 feet, then subsiding to
1 to 2 feet.
.SUNDAY...South wind 10 to 20 knots with gusts up to 32 knots.
Sunny. Waves subsiding to 1 to 2 feet, then building to 2 to
3 feet.
.SUNDAY NIGHT...Southwest wind 15 to 20 knots veering west after
midnight. Gusts up to 32 knots. Partly cloudy with a chance of
showers and a slight chance of thunderstorms in the evening, then
mostly cloudy with a chance of showers after midnight. Waves 2 to
3 feet.

$$

LSZ249-042000-
Marquette to Munising MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind less than 10 knots. Mostly
clear. Waves calm to 1 foot.
.TODAY...South wind 10 to 15 knots with gusts up to 23 knots.
Sunny. Waves building to 1 to 2 feet.
.TONIGHT...South wind 15 to 20 knots with gusts up to 28 knots.
Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gusts up to 33 knots.
Sunny. Waves building to 2 to 4 feet.
.SUNDAY NIGHT...South wind 15 to 20 knots veering west after
midnight. Gusts up to 33 knots. Partly cloudy with a chance of
showers and a slight chance of thunderstorms in the evening, then
mostly cloudy with showers likely and a slight chance of
thunderstorms after midnight. Waves subsiding to 2 to 3 feet,
then building to 2 to 4 feet.

$$

LSZ250-042000-
Munising to Grand Marais MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly 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. Waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
35 knots. Sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind up to 30 knots veering west 15 to
25 knots after midnight. Partly cloudy with a chance of showers
and a slight chance of thunderstorms in the evening, then mostly
cloudy with showers likely and a slight chance of thunderstorms
after midnight. Waves subsiding to 2 to 4 feet.

$$

LSZ251-042000-
Grand Marais to Whitefish Point MI-
501 AM EDT Sat Oct 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM EDT THIS AFTERNOON
THROUGH SUNDAY EVENING...

.EARLY THIS MORNING...South wind 10 to 15 knots. Mostly clear.
Waves calm to 1 foot building to 1 to 2 feet.
.TODAY...South wind 10 to 15 knots with gusts up to 24 knots.
Mostly sunny. Waves 1 to 2 feet.
.TONIGHT...South wind 10 to 15 knots with gusts up to 25 knots.
Mostly clear. Waves 1 to 2 feet.
.SUNDAY...South wind 15 to 25 knots with gale force gusts up to
34 knots. Sunny. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...South wind 20 to 25 knots veering southwest 15 to
20 knots after midnight. Gale force gusts up to 34 knots. Partly
cloudy with a chance of showers and a slight chance of
thunderstorms in the evening, then mostly cloudy with showers and
a slight chance of thunderstorms after midnight. Waves subsiding
to 2 to 4 feet.

$$

WFO MQT