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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: 1101 AM EDT Wed Sep 23 2026

Rest Of Today: Northeast wind 5 to 15 knots. Sunny. Waves calm to 1 foot building to 1 to 2 feet.

Tonight: Southeast wind less than 10 knots veering south 5 to 15 knots by midnight. Clear. Waves 1 to 2 feet.

Thursday: South wind less than 10 knots in the morning becoming variable. Mostly cloudy. Waves calm to 1 foot.

Thursday Night: Variable wind less than 10 knots becoming south less than 10 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves calm to 1 foot.






Zone Forecast: Black River To Ontonagon MI (LSZ241)

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