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Marquette, MI Local Forecast Office

30NM SE Grand Portage MN

Marine Zone Forecast

Rest Of Tonight

West winds less than 10 knots veering northeast late. Waves calm to 2 feet.

Thursday

Northeast winds 5 to 15 knots increasing to 10 to 20 knots in the afternoon, then becoming east 20 to 30 knots late. Waves building to 1 to 3 feet.

Thursday Night

East winds 15 to 25 knots diminishing to 10 to 20 knots after midnight. A slight chance of showers through midnight. A slight chance of thunderstorms. A chance of showers after midnight. Waves subsiding to calm to 2 feet.

Friday

East winds 10 to 20 knots increasing to 15 to 25 knots by mid afternoon. A slight chance of showers through early afternoon. Waves building to 1 to 3 feet.

Friday Night

East winds 15 to 25 knots diminishing to 5 to 15 knots after midnight. A slight chance of showers and thunderstorms through midnight. Waves subsiding to calm to 2 feet.

Saturday

East winds 5 to 15 knots. Waves calm to 2 feet.

Saturday Night

East winds 5 to 15 knots veering southeast after midnight. A chance of showers. A chance of thunderstorms after midnight. Waves calm to 2 feet.

Sunday

South winds 5 to 15 knots becoming east 15 to 25 knots. A chance of showers. Waves building to 2 to 4 feet.

Monday

East gales to 35 knots becoming southeast 20 to 30 knots. A chance of showers. Waves building to 3 to 6 feet occasionally to 8 feet.