Nearshore Marine Forecast
Issued by NWS Marquette, MI

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FZUS53 KMQT 281501
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
1101 AM EDT Thu Aug 28 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.

LMZ221-282000-
Green Bay North of line from Cedar River MI to Rock Island
Passage-
1101 AM EDT Thu Aug 28 2025

...Small craft should exercise caution from this morning through
this evening...

.REST OF TODAY...North wind 15 to 20 knots. Sunny. Waves 2 to
3 feet.
.TONIGHT...Northeast wind 5 to 15 knots. Mostly clear. Waves
subsiding to 1 to 2 feet.
.FRIDAY...Northeast wind less than 10 knots in the morning
becoming variable. Partly cloudy in the morning then clearing.
Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.

$$

LMZ248-250-282000-
Seul Choix Point to Point Detour MI-
5NM East of a line from Fairport MI to Rock Island Passage-
1101 AM EDT Thu Aug 28 2025

.REST OF TODAY...North wind 15 to 20 knots. Mostly sunny. Waves
2 to 3 feet subsiding to 1 to 2 feet, then building to 2 to
3 feet.
.TONIGHT...North wind 5 to 15 knots. Mostly clear. Waves
subsiding to 1 to 2 feet.
.FRIDAY...Northeast wind less than 10 knots in the morning
becoming variable. Mostly sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.

$$

LSZ240-241-282000-
Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
1101 AM EDT Thu Aug 28 2025 /1001 AM CDT Thu Aug 28 2025/

.REST OF TODAY...Northeast wind 10 to 15 knots. Sunny. Waves 2 to
4 feet subsiding to 2 to 3 feet.
.TONIGHT...East wind 10 to 15 knots veering south less than
10 knots late. Clear. Waves subsiding to 1 to 2 feet.
.FRIDAY...South wind less than 10 knots in the morning becoming
variable. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Mostly clear.
Waves calm to 1 foot.

$$

LSZ242-243-282000-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
1101 AM EDT Thu Aug 28 2025

.REST OF TODAY...Northeast wind 10 to 15 knots. Mostly sunny.
Waves 2 to 4 feet subsiding to 2 to 3 feet.
.TONIGHT...East wind 10 to 15 knots veering south less than
10 knots late. Mostly clear. Waves subsiding to 1 to 2 feet.
.FRIDAY...South wind less than 10 knots in the morning becoming
variable. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Southeast wind less than 10 knots veering
southwest after midnight. Clear. Waves calm to 1 foot.

$$

LSZ244-245-282000-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
1101 AM EDT Thu Aug 28 2025

.REST OF TODAY...Northeast wind 5 to 15 knots. Mostly sunny.
Waves 2 to 4 feet subsiding to 1 to 2 feet.
.TONIGHT...East wind less than 10 knots veering south late. Clear
through late evening then becoming partly cloudy. Waves 1 to
2 feet.
.FRIDAY...Southwest wind less than 10 knots in the morning
becoming variable. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.

$$

LSZ246-282000-
Point Isabelle to Lower Entrance of Portage Canal MI-
1101 AM EDT Thu Aug 28 2025

.REST OF TODAY...Northeast wind 10 to 15 knots. Mostly sunny.
Waves 1 to 2 feet.
.TONIGHT...East wind less than 10 knots veering southwest late.
Partly cloudy. Waves 1 to 2 feet.
.FRIDAY...Southwest wind less than 10 knots in the morning
becoming variable. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to
12 knots. Clear. Waves calm to 1 foot.

$$

LSZ247-282000-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-
1101 AM EDT Thu Aug 28 2025

.REST OF TODAY...Northeast wind 10 to 15 knots. Mostly sunny.
Waves 2 to 4 feet subsiding to 1 to 2 feet.
.TONIGHT...East wind less than 10 knots veering southwest late.
Mostly clear. Waves 1 to 2 feet.
.FRIDAY...South wind less than 10 knots backing east in the
afternoon. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to
12 knots. Clear. Waves calm to 1 foot.

$$

LSZ248-282000-
Huron Islands to Marquette MI-
1101 AM EDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...Northeast wind 10 to 15 knots. Partly cloudy.
Waves 3 to 5 feet occasionally to 7 feet subsiding to 2 to
3 feet.
.TONIGHT...Northeast wind less than 10 knots veering southwest
late. Mostly clear through midnight then becoming mostly cloudy.
Waves subsiding to 1 to 2 feet.
.FRIDAY...South wind less than 10 knots in the morning becoming
variable. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Gusts up to
12 knots. Clear. Waves calm to 1 foot.

$$

LSZ249-282000-
Marquette to Munising MI-
1101 AM EDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

.REST OF TODAY...North wind 10 to 15 knots. Partly cloudy. Waves
3 to 5 feet occasionally to 7 feet subsiding to 2 to 3 feet.
.TONIGHT...Northeast wind 10 to 15 knots diminishing to less than
10 knots by midnight, then becoming variable late. Mostly clear
through midnight then becoming mostly cloudy. Waves subsiding to
1 to 2 feet.
.FRIDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.

$$

LSZ250-282000-
Munising to Grand Marais MI-
1101 AM EDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

.REST OF TODAY...North wind 10 to 15 knots. Partly cloudy. Waves
3 to 5 feet occasionally to 7 feet subsiding to 2 to 3 feet.
.TONIGHT...North wind 10 to 15 knots veering east less than
10 knots late. Mostly clear. Waves subsiding to 1 to 2 feet.
.FRIDAY...Variable wind less than 10 knots. Sunny. Waves calm to
1 foot.
.FRIDAY NIGHT...Variable wind less than 10 knots. Clear. Waves
calm to 1 foot.

$$

LSZ251-282000-
Grand Marais to Whitefish Point MI-
1101 AM EDT Thu Aug 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM EDT THIS AFTERNOON...

.REST OF TODAY...North wind 10 to 20 knots. Partly cloudy. Waves
3 to 5 feet occasionally to 7 feet subsiding to 2 to 3 feet.
.TONIGHT...North wind 10 to 15 knots veering northeast 5 to
15 knots by midnight. Mostly clear. Waves subsiding to 1 to
2 feet.
.FRIDAY...North wind less than 10 knots backing northwest in the
afternoon. Sunny. Waves calm to 1 foot.
.FRIDAY NIGHT...Northwest wind less than 10 knots backing
southwest after midnight. Clear. Waves calm to 1 foot.

$$

WFO MQT