Coastal Waters Forecast for Point Isabelle to Lower Entrance of Portage Canal MI (LSZ246) (Text-Only)
NWS Forecast for: Point Isabelle to Lower Entrance of Portage Canal MI (LSZ246)
Issued by: National Weather Service Marquette, MI
Last Update: 502 AM EDT Fri Aug 22 2025




Early This Morning: Southwest wind 10 to 15 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot building to 1 to 2 feet.

Today: Southwest wind 10 to 15 knots veering west 5 to 15 knots by late morning. Mostly cloudy. A slight chance of showers and thunderstorms through mid morning, then a chance of showers and thunderstorms by late morning. Waves 1 to 2 feet.

Tonight: Southwest wind less than 10 knots veering west 10 to 15 knots late. Mostly cloudy through late evening then becoming mostly clear. A slight chance of showers and thunderstorms through late evening, then a slight chance of showers by midnight. Waves building to 1 to 2 feet.

Saturday: West wind 10 to 20 knots with gusts up to 31 knots. Mostly sunny. Waves calm to 1 foot.

Saturday Night: West wind 10 to 15 knots with gusts up to 29 knots. Partly cloudy with a slight chance of showers in the evening, then mostly cloudy with a chance of showers after midnight. Waves 1 to 2 feet.







Zone Forecast: Point Isabelle to Lower Entrance of Portage Canal MI (LSZ246)

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