National Weather Service Marine Forecast FZUS53 KMQT

FZUS53 KMQT 082103
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
503 PM EDT Wed Oct 8 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.

LMZ221-090800
Green Bay North of line from Cedar River MI to Rock Island Passage
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
Variable wind less than 10 knots becoming south less than 10 knots late. Mostly clear. Waves calm to 1 foot.

THURSDAY
South wind 5 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
Southwest wind 15 to 20 knots. Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Waves building to 2 to 3 feet.

FRIDAY
Southwest wind 15 to 20 knots. Showers likely. Waves 2 to 3 feet.


LMZ248-250-090800
Seul Choix Point to Point Detour MI
5NM East of a line from Fairport MI to Rock Island Passage
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
North wind less than 10 knots. Mostly sunny. Waves calm to 1 foot.

TONIGHT
Variable wind less than 10 knots becoming southeast less than 10 knots late. Mostly clear. Waves calm to 1 foot.

THURSDAY
South wind 5 to 15 knots. Mostly sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
Southwest wind 15 to 20 knots. Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Waves building to 3 to 5 feet occasionally to 7 feet.

FRIDAY
Southwest wind 15 to 20 knots. Showers likely. Waves building to 3 to 6 feet occasionally to 8 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.


LSZ240-241-090800
Saxon Harbor WI to Black River MI
Black River to Ontonagon MI
503 PM EDT Wed Oct 8 2025 /403 PM CDT Wed Oct 8 2025/

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
Southeast wind less than 10 knots veering south late. Clear. Waves calm to 1 foot.

THURSDAY
South wind 10 to 15 knots. Sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
South wind 10 to 20 knots. Cloudy with a chance of showers. Waves calm to 1 foot.

FRIDAY
West wind 10 to 15 knots veering northwest in the afternoon. Gusts up to 22 knots. Mostly cloudy with a chance of showers. Waves 1 to 2 feet.


LSZ242-243-090800
Ontonagon to Upper Entrance of Portage Canal MI
Upper Entrance of Portage Canal to Eagle River MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
West wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
Southeast wind less than 10 knots veering south 10 to 15 knots late. Clear. Waves building to 1 to 2 feet.

THURSDAY
South wind 10 to 15 knots with gusts up to 22 knots. Sunny. Waves 1 to 2 feet.

THURSDAY NIGHT
South wind 10 to 20 knots. Partly cloudy with a slight chance of showers in the evening, then cloudy with a chance of showers after midnight. Waves building to 2 to 4 feet.

FRIDAY
Southwest wind 15 to 20 knots veering northwest in the afternoon. Mostly cloudy with a chance of showers. Waves subsiding to 1 to 2 feet.


LSZ244-245-090800
Eagle River to Manitou Island MI
Manitou Island to Point Isabelle MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Northwest wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
Variable wind less than 10 knots becoming south 5 to 15 knots by midnight. Clear. Waves building to 1 to 2 feet.

THURSDAY
Southwest wind 10 to 15 knots backing south late. Sunny. Waves 1 to 2 feet.

THURSDAY NIGHT
South wind 10 to 20 knots. Partly cloudy with a slight chance of showers in the evening, then cloudy with a chance of showers after midnight. Waves building to 2 to 4 feet.

FRIDAY
Southwest wind 15 to 20 knots veering west 10 to 20 knots in the afternoon. Cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Waves subsiding to 1 to 2 feet.


LSZ246-090800
Point Isabelle to Lower Entrance of Portage Canal MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
Variable wind less than 10 knots becoming south less than 10 knots by midnight, then veering southwest 5 to 15 knots late. Clear. Waves building to 1 to 2 feet.

THURSDAY
Southwest wind 10 to 15 knots backing south less than 10 knots late. Sunny. Waves 1 to 2 feet.

THURSDAY NIGHT
Southwest wind 10 to 15 knots with gusts up to 25 knots. Partly cloudy in the evening, then cloudy with a chance of showers after midnight. Waves building to 1 to 2 feet.

FRIDAY
Southwest wind 10 to 15 knots veering west in the afternoon. Gusts up to 24 knots. Cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet.


LSZ247-090800
Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
East wind less than 10 knots veering south 5 to 15 knots late. Clear. Waves calm to 1 foot.

THURSDAY
Southwest wind 5 to 15 knots. Sunny. Waves calm to 1 foot.

THURSDAY NIGHT
Southwest wind 10 to 15 knots with gusts up to 25 knots. Mostly clear with a slight chance of showers in the evening, then cloudy with a chance of showers after midnight. Waves building to 1 to 2 feet.

FRIDAY
Southwest wind 10 to 15 knots veering west in the afternoon. Gusts up to 23 knots. Mostly cloudy. Showers likely in the morning, then a chance of showers in the afternoon. Waves 1 to 2 feet.


LSZ248-090800
Huron Islands to Marquette MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves 1 to 2 feet.

TONIGHT
Southeast wind less than 10 knots veering south by midnight. Clear. Waves calm to 1 foot.

THURSDAY
South wind 5 to 15 knots. Sunny. Waves calm to 1 foot.

THURSDAY NIGHT
South wind 10 to 15 knots with gusts up to 23 knots. Mostly clear in the evening, then cloudy with a chance of showers after midnight. Waves building to 1 to 2 feet.

FRIDAY
Southwest wind 10 to 15 knots veering west in the afternoon. Gusts up to 22 knots. Showers likely. Waves calm to 1 foot.


LSZ249-090800
Marquette to Munising MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny. Waves 1 to 2 feet.

TONIGHT
Variable wind less than 10 knots becoming south less than 10 knots by midnight. Clear. Waves calm to 1 foot.

THURSDAY
South wind 5 to 15 knots. Sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
South wind 10 to 20 knots. Mostly clear in the evening, then mostly cloudy with a chance of showers after midnight. Waves 1 to 2 feet.

FRIDAY
Southwest wind 15 to 20 knots diminishing to 10 to 15 knots in the afternoon. Showers likely. Waves 1 to 2 feet.


LSZ250-090800
Munising to Grand Marais MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Variable wind less than 10 knots. Sunny with isolated showers. Waves 1 to 2 feet.

TONIGHT
Variable wind less than 10 knots becoming south less than 10 knots by midnight. Clear. Waves calm to 1 foot.

THURSDAY
South wind 10 to 15 knots with gusts up to 22 knots. Sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
South wind 15 to 20 knots. Clear in the evening, then mostly cloudy with a chance of showers after midnight. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.

FRIDAY
South wind 15 to 20 knots veering southwest in the afternoon. Showers likely. Waves 2 to 3 feet.


LSZ251-090800
Grand Marais to Whitefish Point MI
503 PM EDT Wed Oct 8 2025

LATE THIS AFTERNOON
Northwest wind less than 10 knots. Sunny. Waves calm to 1 foot.

TONIGHT
North wind less than 10 knots veering south by midnight. Clear. Waves calm to 1 foot.

THURSDAY
South wind 5 to 15 knots. Sunny. Waves building to 1 to 2 feet.

THURSDAY NIGHT
South wind 15 to 20 knots. Mostly clear. A chance of showers after midnight. Waves building to 2 to 3 feet.

FRIDAY
South wind 15 to 20 knots. Showers likely. Waves subsiding to 1 to 2 feet, then building to 2 to 3 feet.


WFO MQT