Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 111501
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 AM EDT Mon Aug 11 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.

LMZ221-112000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...Southwest wind less than 10 knots. Mostly sunny.
Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots veering southwest by
midnight. Mostly clear. A slight chance of showers through late
evening. Waves building to 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots. Partly cloudy. Showers
likely and a chance of thunderstorms in the afternoon. Waves calm
to 1 foot.
.TUESDAY NIGHT...West wind less than 10 knots. Clear. A slight
chance of showers and thunderstorms in the evening. Waves 1 to
2 feet.

$$

LMZ248-250-112000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...Southwest wind 5 to 15 knots. Mostly sunny. A
slight chance of showers late. Waves 1 to 2 feet.
.TONIGHT...Southwest wind 5 to 15 knots. Partly cloudy. A slight
chance of showers through late evening. Waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 15 knots with gusts up to
24 knots. Partly cloudy. A slight chance of showers in the
morning, then showers likely and a chance of thunderstorms in the
afternoon. Waves building to 2 to 3 feet.
.TUESDAY NIGHT...West wind 5 to 15 knots veering northwest less
than 10 knots after midnight. Mostly clear. A slight chance of
showers and thunderstorms in the evening. Waves subsiding to 1 to
2 feet.

$$

LSZ240-241-112000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 AM EDT Mon Aug 11 2025 /1001 AM CDT Mon Aug 11 2025/

.REST OF TODAY...West wind less than 10 knots backing southwest
late. Mostly sunny. Waves calm to 1 foot.
.TONIGHT...South wind 5 to 15 knots veering southwest 10 to
15 knots late. Mostly clear. Haze through the night. A slight
chance of showers and thunderstorms late. Waves building to 1 to
2 feet.
.TUESDAY...Southwest wind 10 to 15 knots veering west in the
afternoon. Gusts up to 23 knots. Partly cloudy with a chance of
showers and a slight chance of thunderstorms. Waves building to
2 to 3 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots. Mostly clear. Waves
subsiding to 1 to 2 feet.

$$

LSZ242-243-112000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots backing southwest
late. Gusts up to 17 knots. Mostly sunny. Waves calm to 1 foot.
.TONIGHT...South wind 5 to 15 knots becoming 10 to 15 knots late.
Mostly clear. Haze through the night. A slight chance of showers
and thunderstorms late. Waves building to 1 to 2 feet.
.TUESDAY...Southwest wind 10 to 20 knots veering west 15 to
20 knots in the afternoon. Gusts up to 28 knots. Mostly sunny. A
chance of showers and a slight chance of thunderstorms in the
morning, then a slight chance of showers and thunderstorms in the
afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots veering northwest after
midnight. Gusts up to 25 knots. Mostly clear. Waves subsiding to
2 to 3 feet.

$$

LSZ244-245-112000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots backing southwest
late. Mostly sunny. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots veering southwest 10 to
15 knots late. Mostly clear. Haze through the night. A slight
chance of showers late. Waves calm to 1 foot.
.TUESDAY...Southwest wind 10 to 15 knots veering west 15 to
20 knots in the afternoon. Gusts up to 27 knots. Mostly sunny
with a slight chance of showers and thunderstorms. Waves building
to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots veering northwest after
midnight. Gusts up to 24 knots. Mostly clear. Waves subsiding to
2 to 3 feet.

$$

LSZ246-112000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots. Sunny. Waves calm
to 1 foot.
.TONIGHT...South wind less than 10 knots veering southwest late.
Mostly clear. Haze through the night. A slight chance of showers
late. Waves calm to 1 foot.
.TUESDAY...Southwest wind less than 10 knots veering west 10 to
15 knots in the afternoon. Gusts up to 26 knots. Partly cloudy. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and a slight chance of thunderstorms in the
afternoon. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...West wind 5 to 15 knots with gusts up to
23 knots. Mostly clear. Waves 1 to 2 feet.

$$

LSZ247-112000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots. Sunny. Waves calm
to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering south by
midnight. Mostly clear. Haze through the night. A slight chance
of showers late. Waves calm to 1 foot.
.TUESDAY...Southwest wind less than 10 knots veering west 10 to
15 knots in the afternoon. Gusts up to 24 knots. Partly cloudy. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon. Waves
building to 1 to 2 feet.
.TUESDAY NIGHT...West wind 5 to 15 knots with gusts up to
22 knots. Mostly clear. Waves 1 to 2 feet.

$$

LSZ248-112000-
Huron Islands to Marquette MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...Northwest wind less than 10 knots veering
northeast late. Mostly sunny. Waves calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering south by
midnight. Mostly clear. Haze by midnight. A slight chance of
showers late. Waves calm to 1 foot.
.TUESDAY...Southwest wind less than 10 knots veering west 10 to
15 knots in the afternoon. Partly cloudy. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon. Waves building to
1 to 2 feet.
.TUESDAY NIGHT...West wind 5 to 15 knots. Mostly clear. Waves
1 to 2 feet.

$$

LSZ249-112000-
Marquette to Munising MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...Northwest wind less than 10 knots by late
morning becoming variable. Mostly sunny. A slight chance of
showers late. Waves calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering south by
midnight. Mostly clear. A slight chance of showers through late
evening. Haze late. Waves calm to 1 foot.
.TUESDAY...Southwest wind less than 10 knots veering west in the
afternoon. Gusts up to 18 knots. Mostly sunny in the morning,
then mostly cloudy with showers likely and a chance of
thunderstorms in the afternoon. Waves calm to 1 foot.
.TUESDAY NIGHT...West wind less than 10 knots with gusts up to
18 knots. Mostly clear. Waves building to 1 to 2 feet.

$$

LSZ250-112000-
Munising to Grand Marais MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots by late morning
becoming variable. Mostly sunny. A slight chance of showers late.
Waves calm to 1 foot.
.TONIGHT...Southeast wind less than 10 knots veering south 10 to
15 knots late. Mostly clear. A slight chance of showers through
late evening. Haze late. Waves calm to 1 foot.
.TUESDAY...Southwest wind 10 to 15 knots diminishing to less than
10 knots in the afternoon. Mostly sunny in the morning, then
mostly cloudy with showers likely and a chance of thunderstorms
in the afternoon. Waves calm to 1 foot.
.TUESDAY NIGHT...West wind 5 to 15 knots. Mostly clear. A slight
chance of showers in the evening. Waves building to 2 to 3 feet.

$$

LSZ251-112000-
Grand Marais to Whitefish Point MI-
1101 AM EDT Mon Aug 11 2025

.REST OF TODAY...West wind less than 10 knots. Partly cloudy. A
slight chance of showers and thunderstorms by late morning, then
a slight chance of showers late. Waves calm to 1 foot.
.TONIGHT...South wind less than 10 knots. Partly cloudy. A slight
chance of showers through late evening. A slight chance of
showers late. Waves calm to 1 foot.
.TUESDAY...South wind 10 to 15 knots veering southwest in the
afternoon. Mostly sunny with a slight chance of showers in the
morning, then mostly cloudy with showers likely and a chance of
thunderstorms in the afternoon. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...West wind 10 to 15 knots. Mostly clear. A chance
of showers and a slight chance of thunderstorms in the evening.
Waves building to 2 to 3 feet.

$$

WFO MQT