Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Coastal Waters Forecast for Black River To Ontonagon MI (LSZ241) (Text-Only)
NWS Forecast for: Black River To Ontonagon MI (LSZ241)
Issued by: National Weather Service Marquette, MI
Last Update: 500 AM EDT Mon Apr 13 2026
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Early This Morning: West wind 10 to 15 knots. Mostly cloudy. Patchy fog. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Today: West wind less than 10 knots veering northeast 5 to 15 knots late. Mostly cloudy. Patchy fog through mid morning. A slight chance of rain showers late. Waves 1 to 2 feet.

Tonight: Northeast wind 10 to 15 knots. Rain showers and a slight chance of thunderstorms. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.

Tuesday: Northeast wind less than 10 knots backing north in the afternoon. Mostly cloudy. A slight chance of rain showers in the afternoon. Waves subsiding to 1 to 2 feet.

Tuesday Night: North wind less than 10 knots in the evening becoming variable. Mostly cloudy. Waves 1 to 2 feet.







Zone Forecast: Black River To Ontonagon MI (LSZ241)

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