Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast
Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >
Hazardous Weather Conditions
Last Update: 502 PM EDT Thu Oct 9 2025
For More Weather Information:
3NM WNW Copper Harbor MI
Marine Zone Forecast
Late This Afternoon
South wind 10 to 15 knots. Sunny. Waves 1 to 2 feet building to 2 to 3 feet.
Tonight
South wind 10 to 20 knots veering southwest 15 to 20 knots late. Gusts up to 29 knots. Mostly clear through late evening, then mostly cloudy with a chance of showers by midnight. Cloudy with showers late. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
Friday
Southwest wind 15 to 25 knots veering northwest 20 to 25 knots late. Gale force gusts up to 39 knots. Showers likely and a slight chance of thunderstorms through early afternoon, then a chance of showers late. Waves building to 4 to 7 feet occasionally to 9 feet.
Friday Night
North wind 20 to 25 knots veering northeast 15 to 20 knots after midnight. Gale force gusts up to 34 knots. Mostly cloudy. Waves building to 5 to 8 feet occasionally to 10 feet, then subsiding to 2 to 4 feet.
Saturday
Northeast wind 5 to 15 knots veering east less than 10 knots in the afternoon. Partly cloudy. Waves subsiding to 1 to 2 feet.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
