617
FZUS53 KMQT 040903
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
503 AM EDT Mon Aug 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-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TODAY...Southeast wind less than 10 knots. Partly cloudy. Haze.
Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Partly cloudy. Haze.
Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...East wind less than 10 knots veering southeast
after midnight. Mostly clear. Waves calm to 1 foot.

$$

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

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots. Partly cloudy. Haze
through the day. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Mostly cloudy. Haze.
Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...East wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ240-241-042000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
503 AM EDT Mon Aug 4 2025 /403 AM CDT Mon Aug 4 2025/

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots by late morning. Mostly cloudy. A slight chance of
showers late. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southeast late.
Cloudy. Haze through the night. Areas of smoke late. Waves calm
to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze and areas of smoke through the
day. A slight chance of showers in the afternoon. Waves calm to
1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ242-243-042000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots by late morning. Partly cloudy. Waves calm to
1 foot.
.TONIGHT...East wind less than 10 knots veering southeast late.
Cloudy, haze. Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ244-245-042000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...Southeast wind less than 10 knots backing east late.
Partly cloudy. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Cloudy. Haze through the
night. Areas of smoke late. Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots. Partly cloudy.
Areas of smoke in the morning. Haze through the day. Waves calm
to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

LSZ246-042000-
Point Isabelle to Lower Entrance of Portage Canal MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots becoming east less than
10 knots by late morning. Mostly cloudy. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Cloudy. Haze through the
night. Areas of smoke late. Waves calm to 1 foot.
.TUESDAY...East wind less than 10 knots with gusts up to
17 knots. Partly cloudy. Areas of smoke in the morning. Haze
through the day. A slight chance of showers in the afternoon.
Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

LSZ247-042000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Mostly
cloudy. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots by late morning. Partly cloudy. Haze late. Waves
calm to 1 foot.
.TONIGHT...East wind less than 10 knots. Cloudy. Haze through the
night. Areas of smoke late. Waves calm to 1 foot.
.TUESDAY...East wind less than 10 knots with gusts up to
17 knots. Partly cloudy. Areas of smoke in the morning. Haze
through the day. A slight chance of showers in the afternoon.
Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots in the evening
becoming variable. Mostly clear. Waves calm to 1 foot.

$$

LSZ248-042000-
Huron Islands to Marquette MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TODAY...East wind less than 10 knots. Partly cloudy. Haze. Waves
calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Cloudy. Haze through the night. Areas of smoke late.
Waves calm to 1 foot.
.TUESDAY...East wind less than 10 knots. Partly cloudy. Haze
through the day. A slight chance of showers in the afternoon.
Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

LSZ249-042000-
Marquette to Munising MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TODAY...Variable wind less than 10 knots becoming northeast less
than 10 knots by late morning. Partly cloudy. Haze through the
day. A slight chance of showers late. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Mostly cloudy. Haze through the night. Areas of smoke
by midnight. Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

LSZ250-042000-
Munising to Grand Marais MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Haze. Waves calm to 1 foot.
.TODAY...Southeast wind less than 10 knots backing northeast by
late morning. Partly cloudy. Haze through the day. A slight
chance of showers late. Waves calm to 1 foot.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Partly cloudy through late evening then becoming mostly
cloudy. Haze. Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

LSZ251-042000-
Grand Marais to Whitefish Point MI-
503 AM EDT Mon Aug 4 2025

.EARLY THIS MORNING...Variable wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.
.TODAY...East wind less than 10 knots backing northeast by late
morning. Partly cloudy. Haze by late morning. Waves calm to
1 foot.
.TONIGHT...East wind less than 10 knots veering southeast by
midnight. Partly cloudy through late evening then becoming mostly
cloudy. Haze through the night. Waves calm to 1 foot.
.TUESDAY...Southeast wind less than 10 knots backing east in the
afternoon. Partly cloudy. Haze. Waves calm to 1 foot.
.TUESDAY NIGHT...Southeast wind less than 10 knots. Partly
cloudy. Waves calm to 1 foot.

$$

WFO MQT