Hazardous Spring Weather Shifts to the Eastern and Northwest U.S. Wednesday
Isolated to scattered severe thunderstorms are expected Wednesday from the ArkLaTex and Lower Mississippi Valley northeastward through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat from east Texas into Upstate New York. A moderate atmospheric river will bring heavy snow and high winds to the Northwest U.S. Read More >
Hazardous Weather Conditions
Last Update: 501 AM EDT Wed Mar 11 2026
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Early This Morning
Northeast wind 15 to 20 knots. Snow likely. Waves 3 to 6 feet occasionally to 8 feet subsiding to 3 to 5 feet occasionally to 7 feet.
Today
Northeast wind 15 to 20 knots backing north 15 to 25 knots by late morning. Mostly cloudy. Freezing spray through early afternoon. Snow likely through mid morning. A chance of snow by late morning, then a slight chance of snow late. Waves building to 3 to 6 feet occasionally to 8 feet.
Tonight
Northwest wind 15 to 25 knots with gusts up to 32 knots. Partly cloudy through late evening then becoming mostly cloudy. Freezing spray by midnight. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.
Thursday
Northwest wind 5 to 15 knots backing south less than 10 knots in the afternoon. Mostly cloudy. Waves subsiding to 1 to 2 feet.
Thursday Night
Southeast wind up to 30 knots backing east gales to 35 knots after midnight. Gale force gusts up to 46 knots. Cloudy. A chance of snow showers in the evening, then snow showers likely after midnight. Freezing spray through the night. Waves building to 12 to 17 feet occasionally to 21 feet.
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