National Weather Service Marine Forecast FZUS53 KMQT

FZUS53 KMQT 072101
NSHMQT

Nearshore Marine Forecast
National Weather Service Marquette MI
501 PM EDT Thu May 7 2026

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.

LMZ221-080800
Green Bay North of line from Cedar River MI to Rock Island Passage
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
South wind less than 10 knots. Mostly cloudy. A chance of sprinkles. Waves calm to 1 foot.

TONIGHT
South wind less than 10 knots veering west by midnight, then backing southwest late. Mostly cloudy through late evening then becoming partly cloudy. A chance of sprinkles through midnight. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots backing south 10 to 15 knots by late morning. Mostly sunny. A chance of sprinkles late. Waves building to 1 to 2 feet.

FRIDAY NIGHT
South wind 10 to 15 knots veering southwest 5 to 15 knots after midnight. Mostly cloudy with a chance of rain showers. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.

SATURDAY
Northwest wind less than 10 knots increasing to 10 to 15 knots in the afternoon. Cloudy in the morning then becoming partly cloudy. A chance of rain showers. Waves 1 to 2 feet.


LMZ248-250-080800
Seul Choix Point to Point Detour MI
5NM East of a line from Fairport MI to Rock Island Passage
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
Southwest wind 10 to 15 knots. Mostly cloudy. A chance of sprinkles. Waves 1 to 2 feet.

TONIGHT
Southwest wind 5 to 15 knots becoming less than 10 knots by midnight. Mostly cloudy through late evening then becoming partly cloudy. A chance of sprinkles through midnight. Waves 1 to 2 feet.

FRIDAY
Southwest wind less than 10 knots backing south 10 to 20 knots by late morning. Mostly sunny. A chance of sprinkles late. Waves building to 2 to 3 feet.

FRIDAY NIGHT
South wind 10 to 20 knots veering southwest 5 to 15 knots after midnight. Mostly cloudy with a chance of rain showers. Waves building to 2 to 4 feet.

SATURDAY
West wind 5 to 15 knots veering northwest 10 to 15 knots in the afternoon. Mostly cloudy with a chance of rain showers. Waves subsiding to 1 to 2 feet.


LSZ240-241-080800
Saxon Harbor WI to Black River MI
Black River to Ontonagon MI
501 PM EDT Thu May 7 2026 /401 PM CDT Thu May 7 2026/

LATE THIS AFTERNOON
West wind less than 10 knots. Mostly cloudy. A chance of sprinkles. Waves calm to 1 foot.

TONIGHT
Southwest wind less than 10 knots. Mostly clear. A chance of sprinkles through late evening. Waves calm to 1 foot.

FRIDAY
Southwest wind 5 to 15 knots. Mostly sunny through early afternoon then becoming mostly cloudy. A chance of sprinkles late. Waves building to 1 to 2 feet.

FRIDAY NIGHT
Southwest wind less than 10 knots veering west after midnight. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot.

SATURDAY
West wind 5 to 15 knots. Mostly cloudy with a chance of rain showers possibly mixed with snow showers in the morning, then mostly sunny in the afternoon. Waves building to 1 to 2 feet.


LSZ242-243-080800
Ontonagon to Upper Entrance of Portage Canal MI
Upper Entrance of Portage Canal to Eagle River MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
Southwest wind less than 10 knots. Partly cloudy. Waves 1 to 2 feet.

TONIGHT
Southwest wind less than 10 knots. Mostly clear. Waves 1 to 2 feet.

FRIDAY
Southwest wind 5 to 15 knots. Mostly sunny through early afternoon then becoming mostly cloudy. A chance of rain showers late. Waves building to 1 to 2 feet.

FRIDAY NIGHT
South wind less than 10 knots veering west after midnight. Mostly cloudy with a chance of rain showers in the evening, then partly cloudy with a chance of sprinkles after midnight. Waves 1 to 2 feet.

SATURDAY
Northwest wind 5 to 15 knots backing west 10 to 15 knots in the afternoon. Mostly cloudy. A chance of rain showers in the morning, then a chance of sprinkles in the afternoon. Waves building to 1 to 2 feet.


LSZ244-245-080800
Eagle River to Manitou Island MI
Manitou Island to Point Isabelle MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
West wind 10 to 15 knots. Partly cloudy. Waves 1 to 2 feet.

TONIGHT
Southwest wind less than 10 knots. Mostly clear. Waves 1 to 2 feet.

FRIDAY
Southwest wind 5 to 15 knots. Mostly sunny through early afternoon then becoming mostly cloudy. A chance of rain showers late. Waves building to 1 to 2 feet.

FRIDAY NIGHT
South wind less than 10 knots veering west after midnight. Mostly cloudy. A chance of rain showers in the evening, then a chance of sprinkles and snow showers after midnight. Waves 1 to 2 feet.

SATURDAY
Northwest wind 10 to 15 knots. Mostly cloudy. A slight chance of rain showers possibly mixed with snow showers in the morning, then a chance of sprinkles and flurries in the afternoon. Waves building to 1 to 2 feet.


LSZ246-080800
Point Isabelle to Lower Entrance of Portage Canal MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
West wind 10 to 15 knots. Partly cloudy. Waves calm to 1 foot.

TONIGHT
West wind less than 10 knots backing southwest by midnight. Mostly clear. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering west 5 to 15 knots by late morning. Sunny through mid morning then becoming partly cloudy. A chance of rain showers late. Waves calm to 1 foot.

FRIDAY NIGHT
South wind less than 10 knots veering west after midnight. Mostly cloudy. A chance of rain showers in the evening, then a chance of sprinkles after midnight. Waves calm to 1 foot.

SATURDAY
Northwest wind 5 to 15 knots. Mostly cloudy with a slight chance of rain showers. Waves calm to 1 foot.


LSZ247-080800
Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
Northwest wind less than 10 knots with gusts up to 17 knots. Partly cloudy. Waves calm to 1 foot.

TONIGHT
West wind less than 10 knots backing southwest by midnight. Mostly clear. A chance of sprinkles through late evening. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering west 5 to 15 knots by late morning. Sunny through mid morning then becoming partly cloudy. A chance of sprinkles late. Waves calm to 1 foot.

FRIDAY NIGHT
Southwest wind less than 10 knots veering west after midnight. Cloudy with a chance of rain showers in the evening, then partly cloudy with a chance of sprinkles after midnight. Waves calm to 1 foot.

SATURDAY
Northwest wind 5 to 15 knots. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot.


LSZ248-080800
Huron Islands to Marquette MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
North wind less than 10 knots. Partly cloudy with a chance of rain showers. Waves calm to 1 foot.

TONIGHT
South wind less than 10 knots veering southwest by midnight. Mostly clear. A chance of rain showers through late evening. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering northwest by late morning, then veering southeast late. Mostly sunny through early afternoon then becoming mostly cloudy. A chance of sprinkles late. Waves calm to 1 foot.

FRIDAY NIGHT
South wind less than 10 knots veering west after midnight. Mostly cloudy. A slight chance of rain showers in the evening, then a chance of sprinkles after midnight. Waves calm to 1 foot.

SATURDAY
Northwest wind 10 to 15 knots. Mostly cloudy with a chance of rain showers. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.


LSZ249-080800
Marquette to Munising MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
Variable wind less than 10 knots. Mostly cloudy. A chance of sprinkles. Waves calm to 1 foot.

TONIGHT
South wind less than 10 knots veering southwest by midnight. Partly cloudy through midnight then clearing. A chance of sprinkles through late evening. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering northwest by late morning, then veering east late. Mostly sunny. A chance of sprinkles late. Waves calm to 1 foot.

FRIDAY NIGHT
South wind less than 10 knots veering southwest after midnight. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot.

SATURDAY
Northwest wind 10 to 15 knots. Mostly cloudy with a chance of rain showers. Waves building to 2 to 3 feet.


LSZ250-080800
Munising to Grand Marais MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
Southwest wind less than 10 knots. Partly cloudy. A chance of sprinkles. Waves calm to 1 foot.

TONIGHT
Southwest wind less than 10 knots. Partly cloudy through midnight then clearing. A chance of sprinkles through late evening. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering west by late morning, then backing southeast late. Sunny through early afternoon then becoming mostly cloudy. A chance of sprinkles late. Waves calm to 1 foot.

FRIDAY NIGHT
South wind 5 to 15 knots veering southwest less than 10 knots after midnight. Mostly cloudy with a chance of rain showers. Waves calm to 1 foot.

SATURDAY
Northwest wind 10 to 15 knots. Cloudy. A chance of rain showers in the morning, then a chance of rain showers possibly mixed with snow showers in the afternoon. Waves building to 2 to 4 feet.


LSZ251-080800
Grand Marais to Whitefish Point MI
501 PM EDT Thu May 7 2026

LATE THIS AFTERNOON
West wind less than 10 knots. Partly cloudy. A chance of sprinkles. Waves calm to 1 foot.

TONIGHT
Southwest wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

FRIDAY
Southwest wind less than 10 knots veering west by late morning, then backing southwest late. Mostly sunny. A chance of sprinkles late. Waves calm to 1 foot.

FRIDAY NIGHT
South wind less than 10 knots. Mostly cloudy. A slight chance of rain showers in the evening, then a chance of rain showers after midnight. Waves calm to 1 foot.

SATURDAY
West wind 10 to 20 knots. Mostly cloudy. A chance of rain showers in the morning, then a chance of rain showers possibly mixed with snow showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.


WFO MQT