National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Coastal Waters Forecast for Ontonagon to Upper Entrance of Portage Canal MI (LSZ242) (Text-Only)
NWS Forecast for: Ontonagon to Upper Entrance of Portage Canal MI (LSZ242)
Issued by: National Weather Service Marquette, MI
Last Update: 1100 PM EDT Tue Jun 16 2026		Print

Rest Of Tonight: Variable wind less than 10 knots. Mostly cloudy by midnight then becoming partly cloudy. Waves calm to 1 foot.

Wednesday: Southeast wind less than 10 knots backing east by late morning. Partly cloudy through mid morning then becoming cloudy. A chance of showers by late morning. Waves calm to 1 foot.

Wednesday Night: East wind less than 10 knots backing north after midnight. Cloudy with a slight chance of rain showers. Waves calm to 1 foot.

Thursday: West wind 10 to 15 knots. Mostly cloudy. Waves building to 1 to 2 feet.






Zone Forecast: Ontonagon to Upper Entrance of Portage Canal MI (LSZ242)

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