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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: 1102 AM EDT Wed Sep 30 2026		Print

Rest Of Today: Southwest wind less than 10 knots veering west late. Gusts up to 17 knots. Partly cloudy by late morning then clearing. Waves calm to 1 foot.

Tonight: Variable wind less than 10 knots becoming southwest less than 10 knots by midnight, then veering west 5 to 15 knots late. Partly cloudy through late evening then becoming cloudy. Waves calm to 1 foot.

Thursday: Northwest wind 10 to 15 knots with gusts up to 25 knots. Mostly cloudy. Waves building to 1 to 2 feet.

Thursday Night: Northwest wind 10 to 20 knots. Mostly cloudy in the evening then becoming partly cloudy. Waves building to 2 to 3 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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