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: 502 PM EDT Tue Sep 30 2025
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Late This Afternoon: East wind 10 to 15 knots with gusts up to 24 knots. Partly cloudy. Waves 2 to 3 feet.

Tonight: East wind 10 to 15 knots veering southeast less than 10 knots late. Gusts up to 24 knots. Mostly cloudy. Waves subsiding to 1 to 2 feet.

Wednesday: Southeast wind less than 10 knots with gusts up to 18 knots. Mostly cloudy. Waves calm to 1 foot.

Wednesday Night: South wind 10 to 15 knots. Partly cloudy. Waves building to 1 to 2 feet.

Thursday: South wind 10 to 15 knots. Mostly sunny. Waves 1 to 2 feet.







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

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