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 Tue Jul 21 2026




Early This Morning: West wind 10 to 15 knots with gusts up to 25 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves 1 to 2 feet.

Today: Northwest wind 15 to 25 knots with gale force gusts up to 36 knots. Mostly cloudy. A slight chance of showers through mid morning. Waves building to 2 to 4 feet, then subsiding to 2 to 3 feet.

Tonight: Northwest wind 10 to 20 knots with gusts up to 28 knots. Partly cloudy. Waves subsiding to 1 to 2 feet.

Wednesday: Northwest wind 10 to 15 knots backing west less than 10 knots in the afternoon. Sunny. Waves calm to 1 foot.

Wednesday Night: West wind 5 to 15 knots. Clear. Waves calm to 1 foot.







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

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