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: 1101 AM EDT Thu Sep 24 2026
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Rest Of Today: Southeast wind less than 10 knots backing east late. Mostly cloudy. Waves calm to 1 foot.

Tonight: Southeast wind less than 10 knots veering south by midnight. Mostly cloudy. Waves calm to 1 foot.

Friday: Southwest wind less than 10 knots veering north in the afternoon. Mostly sunny. Waves calm to 1 foot.

Friday Night: East wind less than 10 knots veering southeast after midnight. Mostly clear. Waves calm to 1 foot.







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

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