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: 1051 AM EDT Tue Jul 15 2025




Rest Of Today: South wind less than 10 knots veering southwest by late morning, then veering north late. Cloudy. A chance of showers and thunderstorms by late morning, then showers and thunderstorms likely late. Waves calm to 1 foot.

Tonight: Northwest wind less than 10 knots veering northeast 10 to 20 knots by midnight. Showers likely and a chance of thunderstorms through midnight, then a chance of showers and a slight chance of thunderstorms late. Waves building to 2 to 4 feet.

Wednesday: Northeast wind 10 to 20 knots. Cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.

Wednesday Night: Northeast wind 10 to 15 knots backing north less than 10 knots after midnight. Cloudy in the evening then becoming partly cloudy. A chance of showers. Waves subsiding to 1 to 2 feet.







Zone Forecast: Black River To Ontonagon MI (LSZ241)

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