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 Mar 30 2026
Print




Early This Morning: Variable wind less than 10 knots. Mostly cloudy. Waves calm to 1 foot.

Today: Northeast wind less than 10 knots increasing to 10 to 20 knots by late morning. Mostly cloudy. Waves building to 3 to 5 feet occasionally to 7 feet.

Tonight: Northeast wind 10 to 20 knots. Mostly cloudy. A chance of rain showers possibly mixed with snow showers late. Waves subsiding to 2 to 4 feet.

Tuesday: Northeast wind 10 to 15 knots backing northwest in the afternoon. Cloudy with a chance of rain showers possibly mixed with snow showers. Waves subsiding to 2 to 3 feet.

Tuesday Night: Northwest wind 10 to 20 knots veering north 10 to 15 knots after midnight. Mostly cloudy with a slight chance of snow showers. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.







Zone Forecast: Black River To Ontonagon MI (LSZ241)

Visit your local NWS office at: https://www.weather.gov/mqt/