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Marquette, MI Local Forecast Office

30NM SE Grand Portage MN

Marine Zone Forecast

Late This Afternoon

West winds 10 to 20 knots. Areas of smoke. A chance of showers and thunderstorms. Waves calm to 2 feet.

Tonight

West winds 10 to 20 knots. Areas of smoke. Waves building to 1 to 3 feet.

Sunday

Southwest winds 10 to 20 knots increasing to 15 to 25 knots in the afternoon. Areas of smoke. Waves building to 2 to 4 feet.

Sunday Night

Southwest winds 10 to 20 knots becoming west 5 to 15 knots late. Areas of smoke through midnight. A slight chance of showers and thunderstorms through midnight. Waves subsiding to 1 to 3 feet.

Monday

West winds 5 to 15 knots backing southwest by mid afternoon. Waves subsiding to calm to 2 feet.

Monday Night

Southeast winds 5 to 15 knots. A chance of showers. Waves calm to 2 feet.

Tuesday

South winds 5 to 15 knots. A chance of showers. Waves calm to 2 feet.

Tuesday Night

North winds 5 to 15 knots veering northeast after midnight. Showers likely through midnight. A chance of thunderstorms. A chance of showers after midnight. Waves calm to 2 feet.

Wednesday

Northeast winds 5 to 15 knots. A chance of showers. Waves calm to 2 feet.

Thursday

Northeast winds 5 to 15 knots backing west. Waves calm to 2 feet.