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: 1100 AM EDT Mon Jun 29 2026
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Rest Of Today: East wind 10 to 20 knots. Partly cloudy with a slight chance of showers and thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet occasionally to 7 feet.

Tonight: East wind 15 to 20 knots veering southeast 10 to 20 knots by midnight, then veering south less than 10 knots late. Mostly cloudy. A slight chance of showers and thunderstorms through midnight. Patchy fog by midnight. Waves subsiding to 2 to 3 feet.

Tuesday: Southwest wind less than 10 knots backing southeast in the afternoon. Partly cloudy. A chance of showers and thunderstorms in the afternoon. Waves subsiding to 1 to 2 feet.

Tuesday Night: South wind 5 to 15 knots veering southwest 10 to 15 knots after midnight. Mostly cloudy with a chance of showers and a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Waves calm to 1 foot.







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

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