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 Sun Aug 2 2026


Late This Afternoon: Northeast wind less than 10 knots. Sunny. Waves calm to 1 foot.

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

Monday: Variable wind less than 10 knots becoming east 5 to 15 knots by late morning. Sunny. Waves building to 1 to 2 feet.

Monday Night: South wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Gusts up to 25 knots. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet.

Tuesday: Southwest wind 15 to 20 knots veering west 10 to 15 knots in the afternoon. Mostly cloudy with a slight chance of showers. 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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