Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 101501
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 AM EDT Wed Sep 10 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.

LMZ221-102000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Variable wind less than 10 knots. Mostly cloudy
with a slight chance of showers. Waves calm to 1 foot.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy.
Patchy fog by midnight. Waves calm to 1 foot.
.THURSDAY...Northeast wind less than 10 knots in the morning
becoming variable. Partly cloudy in the morning then clearing.
Patchy fog in the morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LMZ248-250-102000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Variable wind less than 10 knots. Partly cloudy
with a slight chance of showers. Waves 1 to 2 feet.
.TONIGHT...Variable wind less than 10 knots becoming northeast
less than 10 knots by midnight. Partly cloudy. Patchy fog by
midnight. Waves calm to 1 foot.
.THURSDAY...Northeast wind less than 10 knots veering east in the
afternoon. Partly cloudy in the morning then clearing. Patchy fog
in the morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ240-241-102000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 AM EDT Wed Sep 10 2025 /1001 AM CDT Wed Sep 10 2025/

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT /1 PM CDT/ THIS
AFTERNOON...

.REST OF TODAY...Northeast wind 10 to 15 knots. Mostly cloudy.
Patchy fog. Waves 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy.
Patchy fog through late evening, then areas of dense fog by
midnight. Patchy fog late. Waves 1 to 2 feet.
.THURSDAY...East wind less than 10 knots backing northeast in the
afternoon. Partly cloudy. Patchy fog in the morning. Waves calm
to 1 foot.
.THURSDAY NIGHT...East wind less than 10 knots in the evening
becoming variable. Partly cloudy. Waves calm to 1 foot.

$$

LSZ242-243-102000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 AM EDT Wed Sep 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northeast wind 10 to 15 knots. Mostly cloudy.
Patchy fog. Waves 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots. Partly cloudy
through late evening then becoming mostly cloudy. Patchy fog
through the night. Waves 1 to 2 feet.
.THURSDAY...East wind less than 10 knots. Mostly cloudy in the
morning then becoming mostly sunny. Patchy fog in the morning.
Waves calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves calm to 1 foot.

$$

LSZ245-102000-
Manitou Island to Point Isabelle MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind 5 to 15 knots. Cloudy. Patchy fog
through the day. Waves calm to 1 foot.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy
through midnight then becoming partly cloudy. Patchy fog through
late evening, then areas of dense fog by midnight. Waves calm to
1 foot.
.THURSDAY...East wind less than 10 knots in the morning becoming
variable. Partly cloudy. Areas of dense fog in the morning. Waves
calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.

$$

LSZ244-102000-
Eagle River to Manitou Island MI-
1101 AM EDT Wed Sep 10 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northeast wind 5 to 15 knots. Mostly cloudy.
Areas of dense fog by late morning, then patchy fog late. Waves
calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy.
Patchy fog through late evening, then areas of dense fog by
midnight. Waves calm to 1 foot.
.THURSDAY...East wind less than 10 knots. Mostly cloudy in the
morning then becoming mostly sunny. Areas of dense fog in the
morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Partly cloudy in the evening then becoming mostly
cloudy. Waves calm to 1 foot.

$$

LSZ246-102000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind less than 10 knots. Cloudy.
Patchy fog by late morning. Waves calm to 1 foot.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy.
Areas of dense fog through the night. Waves calm to 1 foot.
.THURSDAY...East wind less than 10 knots. Mostly cloudy. Areas of
dense fog in the morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots in the
evening becoming variable. Mostly cloudy. Waves calm to 1 foot.

$$

LSZ247-102000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind 5 to 15 knots. Cloudy. A slight
chance of showers by late morning. Patchy fog by late morning.
Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots. Cloudy. Patchy fog
through midnight. Areas of dense fog late. Waves calm to 1 foot.
.THURSDAY...East wind less than 10 knots. Partly cloudy. Areas of
dense fog in the morning. Waves calm to 1 foot.
.THURSDAY NIGHT...East wind less than 10 knots in the evening
becoming variable. Partly cloudy in the evening then becoming
mostly cloudy. Waves calm to 1 foot.

$$

LSZ248-102000-
Huron Islands to Marquette MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind less than 10 knots. Cloudy. A
slight chance of showers by late morning. Patchy fog through the
day. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Northeast wind less than 10 knots. Cloudy. Patchy fog
through midnight, then areas of dense fog late. Waves calm to
1 foot.
.THURSDAY...East wind less than 10 knots in the morning becoming
variable. Partly cloudy. Areas of dense fog in the morning. Waves
calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots. Gusts up to
14 knots. Partly cloudy in the evening then becoming mostly
cloudy. Waves calm to 1 foot.

$$

LSZ249-102000-
Marquette to Munising MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind less than 10 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves calm to
1 foot.
.TONIGHT...Northeast wind less than 10 knots. Cloudy. Patchy fog
by midnight. Areas of dense fog late. Waves calm to 1 foot.
.THURSDAY...Northeast wind less than 10 knots. Mostly cloudy in
the morning then becoming mostly sunny. Areas of dense fog in the
morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ250-102000-
Munising to Grand Marais MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...Northeast wind less than 10 knots. Mostly cloudy
with a slight chance of showers and thunderstorms. Waves calm to
1 foot.
.TONIGHT...Northeast wind less than 10 knots. Mostly cloudy.
Patchy fog by midnight. Waves calm to 1 foot.
.THURSDAY...Northeast wind less than 10 knots. Partly cloudy.
Patchy fog in the morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots becoming south
less than 10 knots after midnight. Partly cloudy. Waves calm to
1 foot.

$$

LSZ251-102000-
Grand Marais to Whitefish Point MI-
1101 AM EDT Wed Sep 10 2025

.REST OF TODAY...East wind less than 10 knots backing northeast
late. Cloudy. A chance of showers and a slight chance of
thunderstorms by late morning, then a slight chance of showers
late. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Mostly cloudy through
midnight then becoming partly cloudy. Patchy fog by midnight.
Waves calm to 1 foot.
.THURSDAY...East wind less than 10 knots backing northeast in the
afternoon. Mostly sunny. Patchy fog in the morning. Waves calm to
1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots becoming
southeast less than 10 knots after midnight. Partly cloudy in the
evening then becoming mostly cloudy. Waves calm to 1 foot.

$$

WFO MQT