Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Hazardous Weather Conditions

Last Update: 502 PM EDT Tue Apr 14 2026

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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Late This Afternoon

Northeast wind less than 10 knots. Cloudy with a slight chance of rain showers and drizzle. Patchy fog. Waves 1 to 2 feet.

Tonight

Northeast wind less than 10 knots through late evening becoming variable. Cloudy. Patchy fog through late evening. Areas of dense fog by midnight. A slight chance of drizzle through the night. Waves 1 to 2 feet.

Wednesday

Variable wind less than 10 knots. Mostly cloudy. A slight chance of drizzle through mid morning. Areas of dense fog through mid morning, then patchy fog by late morning. Waves calm to 1 foot.

Wednesday Night

Variable wind less than 10 knots becoming southeast less than 10 knots after midnight. Mostly cloudy. A slight chance of rain showers in the evening. Patchy fog in the evening. Waves calm to 1 foot.

Thursday

East wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot.