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Marquette, MI Local Forecast Office

37NM NW Grand Marais MI

Marine Zone Forecast

Rest Of Tonight

South winds 10 to 20 knots increasing to 15 to 25 knots after midnight, then veering southwest late. A chance of showers by midnight. A chance of thunderstorms. Showers likely after midnight. Waves 3 to 5 feet occasionally to 7 feet building to 5 to 8 feet occasionally to 10 feet.

Wednesday

Northwest winds 20 to 30 knots increasing to 30 knots with a few gale force gusts to 35 knots possible in the afternoon. A chance of showers through early afternoon. A slight chance of thunderstorms. Showers likely by mid afternoon. Waves building to 8 to 11 feet occasionally to 14 feet.

Wednesday Night

Northwest winds to 30 knots with a few gale force gusts to 35 knots possible diminishing to 20 to 30 knots after midnight, then backing west late. A slight chance of waterspouts. Showers likely and a slight chance of thunderstorms. Waves subsiding to 6 to 9 feet occasionally to 11 feet.

Thursday

West winds 20 to 30 knots. A slight chance of waterspouts through early afternoon. Showers likely through early afternoon, then a chance of showers by mid afternoon. Waves subsiding to 4 to 7 feet occasionally to 9 feet.

Thursday Night

Southwest winds 10 to 20 knots. A chance of showers through midnight. A slight chance of thunderstorms. Showers likely after midnight. Waves subsiding to 1 to 3 feet.

Friday

West winds 15 to 25 knots increasing to 20 to 30 knots by mid afternoon. Showers likely through early afternoon, then a chance of showers by mid afternoon. Waves building to 4 to 7 feet occasionally to 9 feet.

Friday Night

West winds 15 to 25 knots. A chance of showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

Saturday

Northwest winds 15 to 25 knots diminishing to 10 to 20 knots. A chance of showers. Waves subsiding to 1 to 3 feet.

Sunday

Northwest winds 10 to 20 knots becoming southwest 5 to 15 knots. Waves subsiding to calm to 2 feet.