Point Isabelle to Lower Entrance of Portage Canal MI Marine Forecast

NOAA marine forecast

Text forecast

Updated 5:01pm EDT Oct 11, 2026

Small Craft Advisory In Effect From 3 Am Edt Monday Through Tuesday Morning

Late This Afternoon

Variable wind less than 10 knots. Mostly sunny. Waves calm to 1 foot.

Tonight

Northeast wind 10 to 20 knots with gusts up to 28 knots. Cloudy. Waves building to 2 to 4 feet.

Monday

Northeast wind 15 to 20 knots with gusts up to 33 knots. Cloudy. A chance of showers through early afternoon, then a slight chance of showers late. Waves building to 5 to 8 feet occasionally to 10 feet.

Monday Night

Northeast wind 15 to 20 knots with gusts up to 31 knots. Showers and a slight chance of thunderstorms in the evening, then showers after midnight. Waves subsiding to 2 to 4 feet.

Tuesday

North wind 10 to 15 knots backing northwest less than 10 knots in the afternoon. Gusts up to 24 knots. Cloudy. A chance of showers in the morning. Waves subsiding to 1 to 2 feet.

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Interactive Mapbox map highlighting marine forecast zone LSZ246.