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: 1051 AM EDT Tue Jul 15 2025




Rest Of Today: Southwest wind 10 to 15 knots veering northwest less than 10 knots late. Cloudy. Haze by late morning. A chance of showers and thunderstorms by late morning, then showers and thunderstorms likely late. Waves calm to 1 foot.

Tonight: Northwest wind less than 10 knots veering northeast 5 to 15 knots by midnight. Showers likely in the evening. A chance of thunderstorms through the night. A chance of showers after midnight. Waves building to 2 to 3 feet.

Wednesday: Northeast wind 10 to 15 knots with gusts up to 22 knots. Cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Waves subsiding to 1 to 2 feet.

Wednesday Night: Northeast wind less than 10 knots backing north after midnight. Gusts up to 17 knots. Showers likely and a slight chance of thunderstorms in the evening, then showers likely 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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