Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 052103
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Tue Aug 5 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.

LMZ221-060800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TONIGHT...East wind 5 to 15 knots becoming 10 to 15 knots late.
Partly cloudy. Haze through late evening. Areas of smoke through
the night. Haze late. Waves building to 1 to 2 feet.
.WEDNESDAY...Southeast wind less than 10 knots. Partly cloudy.
Areas of smoke through mid morning. Haze through the day. Waves
calm to 1 foot.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots veering
south after midnight. Mostly cloudy in the evening then becoming
partly cloudy. Haze. Waves calm to 1 foot.
.THURSDAY...South wind 5 to 15 knots. Partly cloudy. A chance of
showers in the morning, then a chance of showers and a slight
chance of thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LMZ248-250-060800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Partly
cloudy. Haze and areas of smoke. Waves calm to 1 foot.
.TONIGHT...East wind 10 to 15 knots diminishing to less than
10 knots late. Partly cloudy. Areas of smoke through the night.
Haze late. Waves building to 1 to 2 feet.
.WEDNESDAY...East wind less than 10 knots. Partly cloudy. Areas
of smoke through mid morning. Haze through the day. Waves calm to
1 foot.
.WEDNESDAY NIGHT...East wind less than 10 knots veering south
after midnight. Mostly cloudy. Haze. Waves calm to 1 foot.
.THURSDAY...South wind less than 10 knots with gusts up to
17 knots. Partly cloudy. A slight chance of showers in the
morning, then a slight chance of showers and thunderstorms in the
afternoon. Waves calm to 1 foot.

$$

LSZ240-241-060800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Tue Aug 5 2025 /402 PM CDT Tue Aug 5 2025/

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Areas of
smoke. Waves 1 to 2 feet.
.TONIGHT...Southeast wind less than 10 knots veering south 10 to
15 knots by midnight. Partly cloudy. Haze and areas of smoke.
Waves 1 to 2 feet.
.WEDNESDAY...Southeast wind less than 10 knots. Partly cloudy.
Areas of smoke through mid morning. Haze through the day. A
slight chance of showers and thunderstorms late. Waves calm to
1 foot.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots veering
south after midnight. Mostly cloudy. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Haze through the night. Waves calm
to 1 foot.
.THURSDAY...South wind less than 10 knots. Partly cloudy. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. Waves calm
to 1 foot.

$$

LSZ242-243-060800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind less than 10 knots with gusts up
to 17 knots. Partly cloudy with a slight chance of showers and
thunderstorms. Haze and areas of smoke. Waves calm to 1 foot.
.TONIGHT...Southeast wind 10 to 15 knots. Partly cloudy. Haze and
areas of smoke. Waves calm to 1 foot.
.WEDNESDAY...Southeast wind less than 10 knots. Gusts up to
19 knots. Partly cloudy. Areas of smoke through early afternoon.
Haze through the day. A slight chance of showers and
thunderstorms late. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Southeast wind 10 to 15 knots veering south
after midnight. Mostly cloudy. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight. Haze through the night. Waves calm
to 1 foot.
.THURSDAY...South wind less than 10 knots with gusts up to
17 knots. Partly cloudy with a slight chance of showers and
thunderstorms. Waves calm to 1 foot.

$$

LSZ244-245-060800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy.
Haze. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Southeast wind 10 to 15 knots diminishing to less than
10 knots by midnight. Partly cloudy then becoming mostly cloudy
by midnight then becoming partly cloudy. Haze through the night.
Areas of smoke late. Waves 1 to 2 feet.
.WEDNESDAY...Southeast wind 10 to 15 knots. Partly cloudy. Areas
of smoke through the day. Haze by late morning. Waves building to
2 to 3 feet, then subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Southeast wind 10 to 15 knots veering south
less than 10 knots after midnight. Cloudy. Haze through the
night. A chance of showers and a slight chance of thunderstorms
after midnight. Waves 1 to 2 feet.
.THURSDAY...South wind less than 10 knots. Partly cloudy with a
slight chance of showers and thunderstorms. Waves calm to 1 foot.

$$

LSZ246-060800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Haze. Waves
calm to 1 foot building to 1 to 2 feet.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Gusts up to 17 knots. Mostly cloudy through late
evening then becoming partly cloudy. Haze through the night.
Areas of smoke by midnight. Waves 1 to 2 feet.
.WEDNESDAY...East wind less than 10 knots with gusts up to
21 knots. Mostly cloudy. Areas of smoke through the day. Haze by
late morning. Waves building to 1 to 2 feet.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots veering
south after midnight. Gusts up to 19 knots. Mostly cloudy. Haze
through the night. A chance of showers and thunderstorms after
midnight. Waves 1 to 2 feet.
.THURSDAY...South wind less than 10 knots with gusts up to
17 knots. Partly cloudy. A chance of showers and a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LSZ247-060800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Haze. Waves
1 to 2 feet.
.TONIGHT...East wind 10 to 15 knots veering southeast less than
10 knots by midnight. Partly cloudy. Areas of smoke through late
evening. Haze through the night. Areas of smoke late. Waves 1 to
2 feet.
.WEDNESDAY...East wind less than 10 knots veering southeast late.
Gusts up to 21 knots. Partly cloudy. Areas of smoke through early
afternoon. Haze by late morning. Waves building to 1 to 2 feet.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots veering
south after midnight. Gusts up to 18 knots. Mostly cloudy. Haze
through the night. A chance of showers and thunderstorms after
midnight. Waves 1 to 2 feet.
.THURSDAY...South wind less than 10 knots with gusts up to
18 knots. Partly cloudy. A chance of showers and a slight chance
of thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LSZ248-060800-
Huron Islands to Marquette MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Haze. Waves
1 to 2 feet.
.TONIGHT...Southeast wind 10 to 15 knots diminishing to less than
10 knots by midnight. Partly cloudy. Haze through midnight. Areas
of smoke by midnight. Waves 1 to 2 feet.
.WEDNESDAY...Southeast wind 5 to 15 knots. Partly cloudy. Areas
of smoke through early afternoon. Haze by late morning. Waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...South wind less than 10 knots with gusts up to
18 knots. Mostly cloudy. Haze through the night. A chance of
showers and a slight chance of thunderstorms after midnight.
Waves 1 to 2 feet.
.THURSDAY...South wind less than 10 knots. Partly cloudy. A
chance of showers and a slight chance of thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon. Waves calm to 1 foot.

$$

LSZ249-060800-
Marquette to Munising MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Haze and areas
of smoke. Waves 1 to 2 feet.
.TONIGHT...Southeast wind less than 10 knots. Partly cloudy. Haze
through midnight. Areas of smoke by midnight. Waves 1 to 2 feet.
.WEDNESDAY...Southeast wind less than 10 knots. Partly cloudy.
Areas of smoke through early afternoon. Haze by late morning.
Waves calm to 1 foot.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots veering
south after midnight. Mostly cloudy. Haze through the night. A
slight chance of showers after midnight. Waves calm to 1 foot.
.THURSDAY...South wind less than 10 knots. Partly cloudy. A
chance of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LSZ250-060800-
Munising to Grand Marais MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind 10 to 15 knots. Partly cloudy
with a slight chance of showers and thunderstorms. Haze. Waves
calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Southeast wind less than 10 knots. Partly cloudy. Haze
through late evening, then areas of smoke by midnight. Waves 1 to
2 feet.
.WEDNESDAY...Southeast wind less than 10 knots backing east by
late morning. Partly cloudy. Areas of smoke through early
afternoon. Haze through the day. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Southeast wind less than 10 knots. Mostly
cloudy. Haze. Waves calm to 1 foot.
.THURSDAY...South wind less than 10 knots. Partly cloudy. A
chance of showers in the morning, then a chance of showers and a
slight chance of thunderstorms in the afternoon. Waves calm to
1 foot.

$$

LSZ251-060800-
Grand Marais to Whitefish Point MI-
502 PM EDT Tue Aug 5 2025

.LATE THIS AFTERNOON...East wind less than 10 knots. Mostly sunny
with a slight chance of showers and thunderstorms. Haze and areas
of smoke. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Partly cloudy. Haze and areas of smoke. Waves calm to
1 foot.
.WEDNESDAY...Southeast wind less than 10 knots. Mostly sunny.
Areas of smoke through mid morning. Haze through the day. Waves
calm to 1 foot.
.WEDNESDAY NIGHT...Southeast wind 10 to 15 knots. Mostly cloudy.
Haze. Waves calm to 1 foot.
.THURSDAY...South wind 10 to 15 knots. Partly cloudy. A slight
chance of showers in the morning, then a chance of showers and a
slight chance of thunderstorms in the afternoon. Waves calm to
1 foot.

$$

WFO MQT