717
FZUS53 KMQT 092102
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
502 PM EDT Sat Aug 9 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.

LMZ221-100800-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY...

.LATE THIS AFTERNOON...South wind 10 to 15 knots with gusts up to
24 knots. Mostly cloudy with a chance of showers and
thunderstorms. Waves 2 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots. Mostly cloudy. A chance
of thunderstorms in the evening. A chance of showers through the
night. A slight chance of thunderstorms after midnight. Waves
subsiding to 1 to 2 feet.
.SUNDAY...South wind 5 to 15 knots. Mostly cloudy. A slight
chance of showers and thunderstorms through mid morning, then a
chance of showers and a slight chance of thunderstorms by late
morning. Waves 1 to 2 feet.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. A chance of showers
and a slight chance of thunderstorms. Waves 1 to 2 feet.
.MONDAY...Southwest wind less than 10 knots backing south in the
afternoon. Mostly cloudy with a chance of showers in the morning,
then mostly sunny with a slight chance of showers and
thunderstorms in the afternoon. Waves calm to 1 foot.

$$

LMZ248-250-100800-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT SUNDAY...

.LATE THIS AFTERNOON...Southwest wind 15 to 20 knots. Mostly
cloudy with a chance of showers and thunderstorms. Waves 3 to
5 feet occasionally to 7 feet.
.TONIGHT...Southwest wind 10 to 15 knots with gusts up to
22 knots. Mostly cloudy. A chance of showers and thunderstorms
through late evening, then a chance of showers and a slight
chance of thunderstorms by midnight. Waves subsiding to 2 to
3 feet.
.SUNDAY...South wind 10 to 15 knots. Mostly cloudy. A slight
chance of showers and thunderstorms through mid morning, then a
chance of showers and a slight chance of thunderstorms by late
morning. Waves 2 to 3 feet.
.SUNDAY NIGHT...Southwest wind 5 to 15 knots. Partly cloudy in
the evening then becoming mostly cloudy. A chance of showers and
a slight chance of thunderstorms. Waves subsiding to 1 to 2 feet.
.MONDAY...Southwest wind less than 10 knots. Partly cloudy with a
chance of showers and a slight chance of thunderstorms. Waves
1 to 2 feet.

$$

LSZ240-241-100800-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
502 PM EDT Sat Aug 9 2025 /402 PM CDT Sat Aug 9 2025/

.LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly
cloudy with a slight chance of showers and thunderstorms. Waves
calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Partly cloudy. Waves
calm to 1 foot.
.SUNDAY...Southwest wind less than 10 knots. Mostly sunny. A
slight chance of showers late. Waves calm to 1 foot.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.MONDAY...Southwest wind less than 10 knots. Sunny. Waves calm to
1 foot.

$$

LSZ242-243-100800-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
502 PM EDT Sat Aug 9 2025

.LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly
cloudy with a slight chance of showers and thunderstorms. Waves
calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots. Mostly clear. A
slight chance of showers through late evening. Waves calm to
1 foot.
.SUNDAY...Southwest wind less than 10 knots. Mostly sunny. Waves
calm to 1 foot.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.MONDAY...Southwest wind less than 10 knots with gusts up to
18 knots. Sunny. Waves calm to 1 foot.

$$

LSZ244-245-100800-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
502 PM EDT Sat Aug 9 2025

.LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly
cloudy with a chance of showers and a slight chance of
thunderstorms. Waves 1 to 2 feet.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers through late evening. Waves 1 to 2 feet.
.SUNDAY...Southwest wind less than 10 knots backing south late.
Partly cloudy. Waves calm to 1 foot.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.MONDAY...West wind less than 10 knots with gusts up to 17 knots.
Mostly sunny. Waves calm to 1 foot.

$$

LSZ246-100800-
Point Isabelle to Lower Entrance of Portage Canal MI-
502 PM EDT Sat Aug 9 2025

.LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly
cloudy with a chance of showers and thunderstorms. Waves calm to
1 foot.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers through late evening. Waves calm to
1 foot.
.SUNDAY...Southwest wind less than 10 knots backing south late.
Partly cloudy. Waves calm to 1 foot.
.SUNDAY NIGHT...Variable wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.MONDAY...West wind less than 10 knots with gusts up to 17 knots.
Mostly sunny. Waves calm to 1 foot.

$$

LSZ247-100800-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
502 PM EDT Sat Aug 9 2025

.LATE THIS AFTERNOON...Southwest wind less than 10 knots. Mostly
cloudy with a chance of showers and thunderstorms. Waves calm to
1 foot.
.TONIGHT...Southwest wind less than 10 knots. Partly cloudy. A
slight chance of showers through late evening. Waves calm to
1 foot.
.SUNDAY...Southwest wind less than 10 knots. Partly cloudy. Waves
calm to 1 foot.
.SUNDAY NIGHT...Variable wind less than 10 knots. Partly cloudy.
Waves calm to 1 foot.
.MONDAY...West wind less than 10 knots. Mostly sunny. Waves calm
to 1 foot.

$$

LSZ248-100800-
Huron Islands to Marquette MI-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...South wind less than 10 knots. Showers
likely and a chance of thunderstorms. Waves calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots. Mostly cloudy
through late evening then becoming partly cloudy. A chance of
showers and a slight chance of thunderstorms through late
evening. Waves calm to 1 foot.
.SUNDAY...South wind less than 10 knots. Partly cloudy. A slight
chance of showers by late morning. Waves calm to 1 foot.
.SUNDAY NIGHT...Variable wind less than 10 knots. Partly cloudy
in the evening, then mostly cloudy with a slight chance of
showers after midnight. Waves calm to 1 foot.
.MONDAY...Variable wind less than 10 knots. Gusts up to 14 knots.
Mostly sunny. A slight chance of showers in the morning. Waves
calm to 1 foot.

$$

LSZ249-100800-
Marquette to Munising MI-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...South wind less than 10 knots with gusts
up to 17 knots. Showers likely and a chance of thunderstorms.
Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots with gusts up to
17 knots. Mostly cloudy with showers likely and a slight chance
of thunderstorms through late evening, then partly cloudy with a
slight chance of showers by midnight. Waves calm to 1 foot.
.SUNDAY...South wind less than 10 knots. Mostly cloudy. A slight
chance of showers and thunderstorms through mid morning, then a
chance of showers by late morning. A slight chance of showers
late. Waves calm to 1 foot.
.SUNDAY NIGHT...Southwest wind less than 10 knots. Partly cloudy
in the evening then becoming mostly cloudy. A slight chance of
showers. Waves calm to 1 foot.
.MONDAY...Variable wind less than 10 knots. Partly cloudy with a
slight chance of showers. Waves calm to 1 foot.

$$

LSZ250-100800-
Munising to Grand Marais MI-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a chance of showers and thunderstorms. Waves calm to 1 foot.
.TONIGHT...South wind 5 to 15 knots. Mostly cloudy through
midnight then becoming partly cloudy. A chance of showers and a
slight chance of thunderstorms through midnight, then a slight
chance of showers and thunderstorms late. Waves calm to 1 foot.
.SUNDAY...South wind less than 10 knots. Mostly cloudy. A slight
chance of showers and thunderstorms through mid morning, then a
chance of showers by late morning. Waves calm to 1 foot.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy with
a slight chance of showers in the evening, then mostly cloudy
with a chance of showers after midnight. Waves calm to 1 foot.
.MONDAY...Southwest wind less than 10 knots veering northwest in
the afternoon. Partly cloudy. A chance of showers in the morning,
then a slight chance of showers in the afternoon. Waves calm to
1 foot.

$$

LSZ251-100800-
Grand Marais to Whitefish Point MI-
502 PM EDT Sat Aug 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...

.LATE THIS AFTERNOON...South wind 10 to 15 knots. Mostly cloudy
with a chance of showers and thunderstorms. Waves 1 to 2 feet.
.TONIGHT...South wind 5 to 15 knots. Mostly cloudy. A chance of
thunderstorms in the evening. A chance of showers through the
night. A slight chance of thunderstorms after midnight. Waves
1 to 2 feet.
.SUNDAY...South wind less than 10 knots. Mostly cloudy. A slight
chance of showers and thunderstorms through mid morning, then a
chance of showers and a slight chance of thunderstorms by late
morning. Waves calm to 1 foot.
.SUNDAY NIGHT...South wind less than 10 knots. Partly cloudy in
the evening then becoming mostly cloudy. A chance of showers and
a slight chance of thunderstorms. Waves calm to 1 foot.
.MONDAY...Southwest wind less than 10 knots veering west in the
afternoon. Mostly cloudy. A chance of showers and a slight chance
of thunderstorms in the morning, then a chance of showers in the
afternoon. Waves calm to 1 foot.

$$

WFO MQT