038
FZUS53 KMQT 221501
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 AM EDT Fri Aug 22 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.

LMZ221-222000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest wind 10 to 20 knots. Partly cloudy by
late morning, then cloudy with a slight chance of showers and
thunderstorms late. Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Southwest wind 10 to 15 knots veering west late.
Mostly cloudy with a chance of showers and thunderstorms through
midnight, then mostly clear with a slight chance of showers and
thunderstorms late. Waves subsiding to 1 to 2 feet.
.SATURDAY...West wind less than 10 knots with gusts up to
17 knots. Sunny. A slight chance of showers in the afternoon.
Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
building to 1 to 2 feet.

$$

LMZ248-250-222000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest wind 10 to 20 knots. Mostly cloudy. A
slight chance of showers and thunderstorms late. Waves 1 to
2 feet building to 2 to 3 feet.
.TONIGHT...Southwest wind 10 to 20 knots veering west 10 to
15 knots late. Cloudy through midnight then becoming partly
cloudy. A chance of showers and thunderstorms through midnight,
then a slight chance of showers and thunderstorms late. Waves
subsiding to 1 to 2 feet.
.SATURDAY...West wind less than 10 knots veering northwest in the
afternoon. Mostly sunny. A slight chance of showers in the
morning, then a slight chance of showers and thunderstorms in the
afternoon. Waves 1 to 2 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
building to 1 to 2 feet.

$$

LSZ240-241-222000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 AM EDT Fri Aug 22 2025 /1001 AM CDT Fri Aug 22 2025/

.REST OF TODAY...West wind 5 to 15 knots. Cloudy. A chance of
showers and thunderstorms by late morning, then showers likely
and a chance of thunderstorms late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots veering west 15 to
20 knots late. Mostly clear. A slight chance of showers and
thunderstorms through late evening. Waves building to 2 to
4 feet.
.SATURDAY...West wind 15 to 20 knots with gusts up to 28 knots.
Mostly sunny. Waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots. Partly cloudy with a
slight chance of showers and thunderstorms in the evening, then
mostly cloudy with a chance of showers and a slight chance of
thunderstorms after midnight. Waves subsiding to 2 to 4 feet,
then building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ242-243-222000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 AM EDT Fri Aug 22 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

.REST OF TODAY...West wind 10 to 15 knots. Cloudy with a chance
of showers and thunderstorms. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 10 to 15 knots veering west 15 to
20 knots late. Partly cloudy. A slight chance of showers and
thunderstorms through late evening, then a slight chance of
showers by midnight. Waves building to 3 to 5 feet occasionally
to 7 feet.
.SATURDAY...West wind 20 to 25 knots with gusts up to 33 knots.
Mostly sunny. Waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts up to
31 knots. Partly cloudy with a slight chance of showers and
thunderstorms in the evening, then mostly cloudy with a chance of
showers after midnight. Waves subsiding to 3 to 5 feet
occasionally to 7 feet, then building to 3 to 6 feet occasionally
to 8 feet.

$$

LSZ244-245-222000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...West wind 5 to 15 knots. Mostly cloudy with a
chance of showers and thunderstorms. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 15 knots veering west 10 to
15 knots late. Mostly cloudy through late evening then becoming
partly cloudy. A slight chance of showers and thunderstorms
through midnight. Waves building to 2 to 4 feet.
.SATURDAY...West wind 15 to 20 knots with gusts up to 32 knots.
Mostly sunny. Waves building to 3 to 6 feet occasionally to
8 feet.
.SATURDAY NIGHT...West wind 15 to 20 knots with gusts up to
28 knots. Partly cloudy in the evening then becoming mostly
cloudy. A slight chance of showers. Waves subsiding to 3 to
5 feet occasionally to 7 feet.

$$

LSZ246-222000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...West wind 5 to 15 knots. Cloudy with a chance of
showers and thunderstorms. Waves calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots veering west 10 to
15 knots late. Mostly cloudy through late evening then becoming
mostly clear. A slight chance of showers and thunderstorms
through late evening, then a slight chance of showers by
midnight. Waves building to 1 to 2 feet.
.SATURDAY...West wind 10 to 20 knots with gusts up to 31 knots.
Mostly sunny. Waves calm to 1 foot.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts up to
29 knots. Partly cloudy with a slight chance of showers in the
evening, then mostly cloudy with a chance of showers after
midnight. Waves 1 to 2 feet.

$$

LSZ247-222000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...West wind less than 10 knots. Cloudy. A chance
of showers and thunderstorms by late morning, then showers likely
and a chance of thunderstorms late. Waves calm to 1 foot.
.TONIGHT...Southwest wind 5 to 15 knots veering west 10 to
15 knots late. Mostly cloudy through late evening then becoming
mostly clear. A chance of showers and thunderstorms through late
evening, then a slight chance of showers by midnight. Waves
building to 1 to 2 feet.
.SATURDAY...West wind 10 to 20 knots with gusts up to 31 knots.
Mostly sunny. Waves building to 2 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts up to
29 knots. Mostly clear with a slight chance of showers in the
evening, then mostly cloudy with a chance of showers after
midnight. Waves subsiding to 1 to 2 feet.

$$

LSZ248-222000-
Huron Islands to Marquette MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...West wind less than 10 knots veering northwest
late. Cloudy with a chance of showers and thunderstorms. Waves
calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots veering west 10 to
15 knots late. Cloudy with a chance of showers and thunderstorms
through late evening, then mostly clear with a slight chance of
showers and thunderstorms by midnight. Mostly clear late. Waves
building to 1 to 2 feet.
.SATURDAY...West wind 10 to 20 knots with gusts up to 30 knots.
Mostly sunny. Waves building to 2 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots with gusts up to
28 knots. Partly cloudy. A chance of showers after midnight.
Waves subsiding to 1 to 2 feet.

$$

LSZ249-222000-
Marquette to Munising MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest wind less than 10 knots veering west
5 to 15 knots late. Mostly cloudy. A slight chance of showers and
thunderstorms by late morning, then showers likely and a chance
of thunderstorms late. Waves calm to 1 foot.
.TONIGHT...Southwest wind less than 10 knots. Mostly cloudy with
a chance of showers and thunderstorms through midnight, then
mostly clear with a slight chance of showers late. Waves calm to
1 foot.
.SATURDAY...Northwest wind 10 to 15 knots. Mostly sunny. Waves
building to 2 to 3 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. A
slight chance of showers after midnight. Waves 2 to 3 feet.

$$

LSZ250-222000-
Munising to Grand Marais MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest wind 5 to 15 knots. Partly cloudy with
a slight chance of showers and thunderstorms by late morning,
then cloudy with showers likely and a chance of thunderstorms
late. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots veering southwest 5 to
15 knots by midnight. Mostly cloudy with a chance of showers and
thunderstorms through midnight, then partly cloudy with a slight
chance of showers and thunderstorms late. Waves building to 1 to
2 feet.
.SATURDAY...West wind 10 to 15 knots veering northwest in the
afternoon. Gusts up to 22 knots. Mostly sunny. Waves building to
2 to 4 feet.
.SATURDAY NIGHT...West wind 10 to 20 knots. Partly cloudy. A
slight chance of showers in the evening, then a chance of showers
after midnight. Waves 2 to 4 feet.

$$

LSZ251-222000-
Grand Marais to Whitefish Point MI-
1101 AM EDT Fri Aug 22 2025

.REST OF TODAY...Southwest wind less than 10 knots. Partly cloudy
with a slight chance of showers by late morning, then cloudy with
a chance of showers and thunderstorms late. Waves calm to 1 foot.
.TONIGHT...Southwest wind 5 to 15 knots. Mostly cloudy. Showers
likely in the evening. A chance of thunderstorms through the
night. A chance of showers after midnight. Waves calm to 1 foot.
.SATURDAY...West wind 10 to 15 knots. Mostly sunny with a slight
chance of showers and thunderstorms. Waves building to 2 to
4 feet.
.SATURDAY NIGHT...West wind 10 to 15 knots. Partly cloudy. A
chance of showers after midnight. Waves 2 to 4 feet.

$$

WFO MQT