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Marquette, MI Local Forecast Office

20NM NE Ontonagon MI

Marine Zone Forecast

Early This Morning

South wind 10 to 15 knots with gusts up to 23 knots. Cloudy with a chance of showers and a slight chance of thunderstorms. Waves calm to 1 foot building to 1 to 2 feet.

Today

South wind 15 to 20 knots diminishing to 10 to 15 knots late. Gusts up to 30 knots. Cloudy. Showers and a slight chance of thunderstorms through mid morning, then a chance of showers by late morning. Waves 1 to 2 feet.

Tonight

South wind 15 to 20 knots veering west 20 to 25 knots late. Gale force gusts up to 37 knots. Mostly cloudy then becoming partly cloudy by midnight then becoming clear. Waves building to 3 to 6 feet occasionally to 8 feet.

Wednesday

West wind up to 30 knots with gale force gusts up to 44 knots. Mostly sunny. Waves building to 9 to 12 feet occasionally to 15 feet, then subsiding to 8 to 11 feet occasionally to 14 feet.

Wednesday Night

West wind 15 to 25 knots with gale force gusts up to 39 knots veering northwest 15 to 20 knots after midnight. Clear. Waves subsiding to 2 to 4 feet.