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: 502 AM EDT Wed Sep 2 2026


Early This Morning: Southwest wind less than 10 knots. Cloudy. Waves calm to 1 foot.

Today: West wind less than 10 knots veering north late. Mostly cloudy through mid morning then clearing. Waves calm to 1 foot.

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

Thursday: Northwest wind less than 10 knots veering east 5 to 15 knots in the afternoon. Partly cloudy. Waves building to 1 to 2 feet.

Thursday Night: East wind 5 to 15 knots. Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers and a slight chance of thunderstorms after midnight. Waves 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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