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: 501 AM EDT Sun Mar 29 2026
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Early This Morning: South wind less than 10 knots. Partly cloudy. Waves calm to 1 foot.

Today: Variable wind less than 10 knots becoming northeast less than 10 knots by late morning. Mostly cloudy. Waves building to 1 to 2 feet.

Tonight: North wind less than 10 knots veering northeast by midnight. Partly cloudy through late evening then becoming mostly cloudy. Waves 1 to 2 feet.

Monday: Northeast wind 10 to 20 knots. Mostly cloudy. A slight chance of rain showers in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.

Monday Night: Northeast wind 10 to 20 knots. Cloudy. A chance of rain showers in the evening, then a chance of rain showers possibly mixed with snow showers after midnight. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.







Zone Forecast: Black River To Ontonagon MI (LSZ241)

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