
Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii
A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >
Hazardous Weather Conditions
Last Update: 501 AM EDT Sun Mar 22 2026
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Early This Morning
Northeast wind 20 to 25 knots. Cloudy. Freezing spray. Waves 6 to 9 feet occasionally to 11 feet.
Today
Northeast wind 15 to 25 knots. Mostly cloudy. Freezing spray. Waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.
Tonight
North wind 5 to 15 knots backing northwest less than 10 knots late. Mostly cloudy. A slight chance of snow showers by midnight. Waves subsiding to 1 to 2 feet.
Monday
Northwest wind less than 10 knots backing west in the afternoon. Mostly sunny. Waves 1 to 2 feet.
Monday Night
South wind 10 to 20 knots veering southwest 15 to 20 knots after midnight. Gusts up to 29 knots. Partly cloudy in the evening, then mostly cloudy with a chance of snow showers after midnight. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.
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