857
FZUS53 KMQT 200903
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 AM EDT Wed Aug 20 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.

LMZ221-202000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...North wind less than 10 knots. Mostly cloudy. Waves calm
to 1 foot.
.TONIGHT...North wind 5 to 15 knots. Mostly clear. Waves calm to
1 foot.
.THURSDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots becoming
southwest less than 10 knots after midnight. Mostly clear. Waves
calm to 1 foot.

$$

LMZ248-250-202000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...North wind less than 10 knots. Mostly cloudy. Waves calm
to 1 foot.
.TONIGHT...North wind 5 to 15 knots. Mostly clear. Waves calm to
1 foot.
.THURSDAY...Variable wind less than 10 knots. Sunny. Waves calm
to 1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots becoming
southwest less than 10 knots after midnight. Mostly clear. Waves
calm to 1 foot.

$$

LSZ240-241-202000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 AM EDT Wed Aug 20 2025 /402 AM CDT Wed Aug 20 2025/

.EARLY THIS MORNING...Northeast wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...Northeast wind less than 10 knots. Mostly cloudy through
early afternoon then clearing. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Clear. Patchy dense
fog through midnight. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.THURSDAY NIGHT...South wind less than 10 knots veering southwest
after midnight. Partly cloudy in the evening, then mostly cloudy
with a slight chance of showers and thunderstorms after midnight.
Waves calm to 1 foot.

$$

LSZ242-243-202000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...Northeast wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...North wind less than 10 knots through early afternoon
becoming variable. Mostly cloudy through early afternoon then
clearing. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Patchy
fog through midnight. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering
southwest 10 to 15 knots after midnight. Partly cloudy in the
evening then becoming mostly cloudy. Waves building to 1 to
2 feet.

$$

LSZ244-245-202000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...North wind less than 10 knots backing northwest late.
Mostly cloudy through early afternoon then clearing. Waves calm
to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Patchy
dense fog by midnight. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. Mostly sunny. Waves calm to
1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering
southwest after midnight. Gusts up to 18 knots. Mostly cloudy.
Waves calm to 1 foot.

$$

LSZ246-202000-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots. Mostly cloudy through
early afternoon then clearing. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Patchy
fog through the night. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots becoming southeast
less than 10 knots in the afternoon. Mostly sunny. Waves calm to
1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering
southwest after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ247-202000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...North wind less than 10 knots through mid morning
becoming variable. Mostly cloudy through early afternoon then
clearing. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Patchy
fog through the night. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. Mostly sunny. Waves calm to
1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering
southwest after midnight. Partly cloudy in the evening then
becoming mostly cloudy. Waves calm to 1 foot.

$$

LSZ248-202000-
Huron Islands to Marquette MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...North wind less than 10 knots. Cloudy through early
afternoon then becoming partly cloudy. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Mostly clear. Patchy
fog through the night. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots becoming east less
than 10 knots in the afternoon. Mostly sunny. Waves calm to
1 foot.
.THURSDAY NIGHT...Variable wind less than 10 knots becoming
southwest less than 10 knots after midnight. Partly cloudy. Waves
calm to 1 foot.

$$

LSZ249-202000-
Marquette to Munising MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Waves calm to 1 foot.
.TODAY...North wind less than 10 knots. Cloudy through early
afternoon then becoming partly cloudy. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots. Partly cloudy.
Patchy dense fog. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots. Partly cloudy in
the morning then clearing. Waves calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Mostly clear. Waves calm to 1 foot.

$$

LSZ250-202000-
Munising to Grand Marais MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Cloudy.
Patchy dense fog. Waves calm to 1 foot.
.TODAY...North wind less than 10 knots. Mostly cloudy. Waves calm
to 1 foot.
.TONIGHT...North wind less than 10 knots. Partly cloudy. Patchy
dense fog by midnight. Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots. Partly cloudy in
the morning then clearing. Waves calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Mostly clear. Waves calm to 1 foot.

$$

LSZ251-202000-
Grand Marais to Whitefish Point MI-
502 AM EDT Wed Aug 20 2025

.EARLY THIS MORNING...North wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...North wind less than 10 knots backing northwest by late
morning. Partly cloudy. Waves calm to 1 foot.
.TONIGHT...Northwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.THURSDAY...Variable wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.THURSDAY NIGHT...Southeast wind less than 10 knots veering south
after midnight. Partly cloudy. Waves calm to 1 foot.

$$

WFO MQT