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 PM EDT Mon May 25 2026
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Late This Afternoon: East wind 5 to 15 knots. Mostly sunny. Waves calm to 1 foot.

Tonight: South wind less than 10 knots veering southwest 10 to 15 knots by midnight. Gusts up to 24 knots. Partly cloudy. A slight chance of showers by midnight. Waves building to 1 to 2 feet.

Tuesday: Northwest wind less than 10 knots veering east by late morning. Sunny. Waves 1 to 2 feet.

Tuesday Night: East wind less than 10 knots in the evening becoming variable. Mostly clear. Waves calm to 1 foot.

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







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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