Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West
Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >
Hazardous Weather Conditions
Last Update: 308 AM EDT Tue Mar 17 2026
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Early This Morning
North wind up to 30 knots. Mostly cloudy with scattered snow showers. Heavy freezing spray. Waves 10 to 14 feet occasionally to 18 feet subsiding to 8 to 11 feet occasionally to 14 feet.
Today
North wind 15 to 25 knots backing northwest 10 to 20 knots with gusts up to 30 knots by late morning, then backing west less than 10 knots with gusts up to 17 knots late. Mostly cloudy. Heavy freezing spray through mid morning. Scattered snow showers through mid morning, then isolated snow showers by late morning. Waves subsiding to 1 to 2 feet.
Tonight
South wind 5 to 15 knots with gusts up to 23 knots. Mostly cloudy. A slight chance of snow showers by midnight. Waves building to 2 to 3 feet.
Wednesday
Southwest wind 10 to 15 knots. Gusts up to 23 knots. Mostly cloudy. A slight chance of snow showers in the morning. Waves building to 2 to 4 feet.
Wednesday Night
West wind 10 to 15 knots veering northwest after midnight. Mostly cloudy with a slight chance of rain showers and snow showers in the evening, then partly cloudy after midnight. Waves subsiding to 1 to 2 feet.
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