Coastal Waters Forecast for Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247) (Text-Only)
NWS Forecast for: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247)
Issued by: National Weather Service Marquette, MI
Last Update: 1100 PM EDT Tue Sep 1 2026
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Rest Of Tonight: Southwest wind less than 10 knots. Partly cloudy by midnight then becoming cloudy. Waves calm to 1 foot.

Wednesday: West wind less than 10 knots through mid morning becoming variable. Mostly cloudy through early afternoon then clearing. Waves calm to 1 foot.

Wednesday Night: Variable wind less than 10 knots. Mostly clear. Waves calm to 1 foot.

Thursday: Northeast wind less than 10 knots veering east 10 to 15 knots in the afternoon. Mostly sunny. Waves building to 1 to 2 feet.







Zone Forecast: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247)

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