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FZUS53 KMQT 312103
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Thu Jul 31 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.

LMZ221-010800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny,
haze. Waves calm to 1 foot.
.TONIGHT...Northeast wind less than 10 knots backing north late.
Mostly clear. Haze through the night. Waves calm to 1 foot.
.FRIDAY...Northwest wind less than 10 knots backing south 5 to
15 knots by late morning. Mostly sunny. Haze. Waves calm to
1 foot.
.FRIDAY NIGHT...Southwest wind less than 10 knots veering west
after midnight. Mostly clear. Haze and areas of smoke. Waves calm
to 1 foot.
.SATURDAY...West wind less than 10 knots backing southwest in the
afternoon. Sunny. Haze through the day. Waves calm to 1 foot.

$$

LMZ248-250-010800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...North wind less than 10 knots. Clear, haze. Waves calm
to 1 foot.
.FRIDAY...Northwest wind less than 10 knots backing southwest
5 to 15 knots by late morning. Mostly sunny. Haze through the
day. Waves building to 1 to 2 feet.
.FRIDAY NIGHT...Southwest wind less than 10 knots veering west
after midnight. Mostly clear. Haze through the night. Areas of
smoke after midnight. Waves 1 to 2 feet.
.SATURDAY...West wind less than 10 knots backing southwest in the
afternoon. Sunny. Haze through the day. Waves calm to 1 foot.

$$

LSZ240-241-010800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Thu Jul 31 2025 /402 PM CDT Thu Jul 31 2025/

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots. Mostly clear. Haze.
Waves calm to 1 foot.
.FRIDAY...Southwest wind 10 to 15 knots veering west 5 to
15 knots by late morning. Mostly sunny. Haze. Waves building to
1 to 2 feet.
.FRIDAY NIGHT...Southwest wind less than 10 knots. Mostly clear.
Haze and areas of smoke. Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots. Sunny. Haze through the
day. Waves calm to 1 foot.

$$

LSZ242-243-010800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming southwest
5 to 15 knots by midnight. Mostly clear. Haze through the night.
Waves building to 1 to 2 feet.
.FRIDAY...Southwest wind 10 to 15 knots. Mostly sunny. Haze.
Waves building to 2 to 3 feet.
.FRIDAY NIGHT...Southwest wind less than 10 knots with gusts up
to 19 knots. Mostly clear. Haze through the night. Areas of smoke
after midnight. Waves subsiding to 1 to 2 feet.
.SATURDAY...West wind 5 to 15 knots. Sunny. Areas of smoke in the
morning. Haze through the day. Waves 1 to 2 feet.

$$

LSZ244-245-010800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Southwest wind 5 to 15 knots. Mostly clear. Haze
through the night. Waves building to 1 to 2 feet.
.FRIDAY...West wind 10 to 20 knots. Mostly sunny. Haze. Waves
building to 2 to 3 feet.
.FRIDAY NIGHT...West wind 5 to 15 knots. Mostly clear. Haze.
Waves subsiding to 1 to 2 feet.
.SATURDAY...West wind 10 to 15 knots. Sunny. Haze through the
day. Waves 1 to 2 feet.

$$

LSZ246-010800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming west less
than 10 knots by midnight, then backing southwest late. Mostly
clear. Haze through the night. Waves calm to 1 foot.
.FRIDAY...West wind less than 10 knots increasing to 10 to
15 knots by late morning. Mostly sunny. Haze. Waves calm to
1 foot.
.FRIDAY NIGHT...West wind less than 10 knots. Mostly clear. Haze.
Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots with gusts up to
19 knots. Sunny. Haze through the day. Waves calm to 1 foot.

$$

LSZ247-010800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Northeast wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming southwest
5 to 15 knots by midnight. Mostly clear. Haze through the night.
Waves calm to 1 foot.
.FRIDAY...Southwest wind 10 to 15 knots veering west less than
10 knots by late morning. Mostly sunny. Haze. Waves building to
1 to 2 feet.
.FRIDAY NIGHT...Southwest wind less than 10 knots. Mostly clear.
Haze. Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots. Gusts up to 18 knots.
Sunny. Haze through the day. Waves calm to 1 foot.

$$

LSZ248-010800-
Huron Islands to Marquette MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Mostly
sunny. Haze. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming southwest
less than 10 knots by midnight. Mostly clear. Haze through the
night. Waves calm to 1 foot.
.FRIDAY...West wind 5 to 15 knots veering northwest by late
morning. Mostly sunny. Haze. Waves building to 1 to 2 feet.
.FRIDAY NIGHT...West wind less than 10 knots. Mostly clear. Haze
through the night. Areas of smoke after midnight. Waves calm to
1 foot.
.SATURDAY...West wind less than 10 knots veering northwest in the
afternoon. Gusts up to 17 knots. Sunny. Areas of smoke in the
morning. Haze through the day. Waves calm to 1 foot.

$$

LSZ249-010800-
Marquette to Munising MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Sunny,
haze. Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming southwest
less than 10 knots late. Mostly clear. Haze through late evening.
Haze late. Waves calm to 1 foot.
.FRIDAY...Southwest wind less than 10 knots through mid morning
becoming variable. Mostly sunny. Haze. Waves calm to 1 foot.
.FRIDAY NIGHT...Southwest wind less than 10 knots. Mostly clear.
Haze. Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots in the morning becoming
variable. Sunny. Haze through the day. Waves calm to 1 foot.

$$

LSZ250-010800-
Munising to Grand Marais MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Variable wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...Variable wind less than 10 knots becoming southwest
less than 10 knots late. Mostly clear. Waves calm to 1 foot.
.FRIDAY...Southwest wind less than 10 knots veering west by late
morning. Mostly sunny. Haze through the day. Waves calm to
1 foot.
.FRIDAY NIGHT...Southwest wind less than 10 knots. Mostly clear.
Haze. Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots. Sunny. Haze in the
morning. Areas of smoke through the day. Waves calm to 1 foot.

$$

LSZ251-010800-
Grand Marais to Whitefish Point MI-
502 PM EDT Thu Jul 31 2025

.LATE THIS AFTERNOON...Northwest wind less than 10 knots. Sunny.
Waves calm to 1 foot.
.TONIGHT...Northwest wind less than 10 knots through midnight
becoming variable. Clear. Waves calm to 1 foot.
.FRIDAY...Variable wind less than 10 knots becoming west less
than 10 knots by late morning. Mostly sunny. Haze through the
day. Waves calm to 1 foot.
.FRIDAY NIGHT...West wind less than 10 knots. Mostly clear. Haze.
Waves calm to 1 foot.
.SATURDAY...West wind less than 10 knots. Sunny. Haze in the
morning. Waves building to 1 to 2 feet.

$$

WFO MQT