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Marquette, MI Local Forecast Office

30NM SE Grand Portage MN

Marine Zone Forecast

Early This Morning

West winds 15 to 25 knots. Patchy dense fog. A slight chance of showers. Waves 1 to 3 feet building to 2 to 4 feet.

Today

West winds 15 to 25 knots becoming southwest 10 to 20 knots in the afternoon. Waves subsiding to 1 to 3 feet.

Tonight

Southwest winds 5 to 15 knots veering west after midnight. Waves subsiding to calm to 2 feet.

Wednesday

West winds less than 10 knots becoming southwest 5 to 15 knots in the afternoon, then backing south late. Waves calm to 2 feet.

Wednesday Night

Southwest winds 5 to 15 knots veering west after midnight. A slight chance of showers. A slight chance of thunderstorms after midnight. Waves calm to 2 feet.

Thursday

North winds 5 to 15 knots veering northeast by mid afternoon. A chance of showers through early afternoon. Showers likely by mid afternoon. Waves calm to 2 feet.

Thursday Night

Northeast winds 5 to 15 knots veering east after midnight. A chance of showers. Waves calm to 2 feet.

Friday

East winds 5 to 15 knots. A chance of showers, then showers likely and a chance of thunderstorms. Waves calm to 2 feet.

Saturday

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