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Marquette, MI Local Forecast Office

9NM SE Copper Harbor MI

Marine Zone Forecast

Late This Afternoon

Southwest wind 15 to 20 knots with gusts up to 28 knots. Partly cloudy with a chance of showers and thunderstorms. Some thunderstorms may be severe. Waves 3 to 5 feet occasionally to 7 feet.

Tonight

West wind 10 to 20 knots becoming 15 to 20 knots late. Gusts up to 30 knots. Partly cloudy through midnight then becoming cloudy. Patchy smoke through late evening. A chance of showers and a slight chance of thunderstorms through late evening. A slight chance of showers by midnight, then a chance of showers late. Some thunderstorms may be severe. Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.

Tuesday

Northwest wind 20 to 25 knots with gale force gusts up to 40 knots. Mostly cloudy. A slight chance of showers through mid morning. Waves building to 4 to 7 feet occasionally to 9 feet.

Tuesday Night

Northwest wind 15 to 20 knots with gale force gusts up to 36 knots. Mostly cloudy in the evening then clearing. Patchy smoke after midnight. Waves subsiding to 2 to 4 feet.

Wednesday

Northwest wind 10 to 15 knots backing west in the afternoon. Gusts up to 25 knots. Sunny. Waves subsiding to 1 to 2 feet.