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: 503 PM EDT Sat May 16 2026
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Late This Afternoon: Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet subsiding to 1 to 2 feet.

Tonight: North wind less than 10 knots veering east late. Clear. Waves 1 to 2 feet.

Sunday: Northeast wind 15 to 25 knots. Mostly cloudy. A chance of rain showers by late morning. Waves building to 4 to 7 feet occasionally to 9 feet.

Sunday Night: East wind 10 to 20 knots diminishing to 5 to 15 knots after midnight. Rain showers and a chance of thunderstorms. Waves subsiding to 2 to 4 feet.

Monday: North wind 5 to 15 knots veering northeast 10 to 15 knots in the afternoon. Rain showers and a slight chance of thunderstorms in the morning, then rain showers likely and a chance of thunderstorms in the afternoon. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet.







Zone Forecast: Black River To Ontonagon MI (LSZ241)

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