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Hazardous Weather Conditions
Last Update: 503 PM EDT Sun May 17 2026
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3NM WNW Copper Harbor MI
Marine Zone Forecast
Late This Afternoon
East wind 10 to 15 knots. Mostly cloudy with a slight chance of rain showers. Waves 1 to 2 feet.
Tonight
East wind 15 to 20 knots veering southeast 10 to 20 knots late. Gusts up to 28 knots. A chance of showers and thunderstorms through late evening, then rain showers likely and a chance of thunderstorms by midnight. Waves building to 3 to 6 feet occasionally to 8 feet.
Monday
South wind 5 to 15 knots veering northwest 10 to 15 knots by late morning, then veering north late. Cloudy. A chance of rain showers through early afternoon, then a chance of rain showers and a slight chance of thunderstorms late. Waves subsiding to 2 to 4 feet.
Monday Night
Northeast wind 15 to 20 knots. Gusts up to 27 knots. A chance of rain showers and a slight chance of thunderstorms in the evening, then rain showers and a slight chance of thunderstorms after midnight. Waves building to 4 to 7 feet occasionally to 9 feet.
Tuesday
North wind 20 to 25 knots backing northwest in the afternoon. Cloudy. Rain showers in the morning. Waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet occasionally to 10 feet.
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