Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest
Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >
Hazardous Weather Conditions
Last Update: 501 AM EDT Wed Apr 15 2026
For More Weather Information:
9NM SE Copper Harbor MI
Marine Zone Forecast
Early This Morning
Northwest wind less than 10 knots. Cloudy. Areas of dense fog. Waves calm to 1 foot.
Today
Northwest wind less than 10 knots veering north late. Cloudy. Areas of dense fog through early afternoon. Patchy fog late. Waves calm to 1 foot.
Tonight
Variable wind less than 10 knots. Mostly cloudy. Patchy fog. Waves calm to 1 foot.
Thursday
Variable wind less than 10 knots becoming east less than 10 knots in the afternoon. Mostly cloudy. Patchy fog in the morning. Waves calm to 1 foot.
Thursday Night
Southeast wind 10 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet.
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