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Marquette, MI Local Forecast Office

30NM SE Grand Portage MN

Marine Zone Forecast

Early This Morning

West winds 5 to 15 knots. Patchy fog. Waves calm to 2 feet.

Today

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

Tonight

South winds 5 to 15 knots veering southwest late. A slight chance of showers and thunderstorms after midnight. Waves calm to 2 feet.

Monday

Southwest winds 5 to 15 knots. A slight chance of showers through early afternoon. Waves calm to 2 feet.

Monday Night

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

Tuesday

Southwest winds 10 to 20 knots. A chance of showers by mid afternoon. Waves building to 1 to 3 feet.

Tuesday Night

West winds 10 to 20 knots becoming north 15 to 25 knots after midnight. Showers and a chance of thunderstorms. Waves building to 3 to 5 feet occasionally to 7 feet.

Wednesday

North winds 20 to 30 knots. A chance of showers. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

Thursday

Northwest winds 15 to 25 knots becoming west 10 to 20 knots. A chance of showers. Waves subsiding to 2 to 4 feet.