Nor'easter Bringing Dangerous Coastal Conditions to the Mid-Atlantic; Pacific Storm to Impact the Southwest U.S.

A Nor'easter well off the East Coast will slowly track north this week and may gain some subtropical characteristics. Strong onshore winds will bring flooding, dangerous marine conditions, and beach erosion along the Mid-Atlantic coast. A Pacific storm will bring gusty winds, showers and thunderstorms, and mountain snow to portions of California and the Southwest U.S. Wednesday and Thursday. Read More >

Last Update: 1100 AM EDT Tue Oct 20 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Rest Of Today
Southeast wind 10 to 15 knots. Sunny. Waves 1 to 2 feet.
Tonight
South wind 10 to 15 knots veering southwest by midnight. Gusts up to 23 knots. Mostly clear through midnight then becoming mostly cloudy. Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
Wednesday
Southwest wind 10 to 15 knots veering northwest 5 to 15 knots in the afternoon. Mostly cloudy. Waves 1 to 2 feet.
Wednesday Night
Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot.



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1100 AM EDT Tue Oct 20 2026
 
 

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