Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Last Update: 406 AM EDT Sun Oct 11 2026

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Marquette, MI Local Forecast Office

24NM NNW Copper Harbor MI

Marine Zone Forecast

Early This Morning

South winds 15 to 25 knots. Waves 3 to 6 feet occasionally to 8 feet.

Today

Southwest winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon, then becoming north 5 to 15 knots late. Waves subsiding to 1 to 3 feet.

Tonight

Northeast winds 10 to 20 knots increasing to 20 to 30 knots after midnight. A chance of showers. Waves subsiding to calm to 2 feet, then building to 5 to 8 feet occasionally to 10 feet.

Monday

Northeast winds 20 to 30 knots. Showers through early afternoon, then a slight chance of showers by mid afternoon. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

Monday Night

Northeast winds 20 to 30 knots diminishing to 10 to 20 knots after midnight. Showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

Tuesday

Northeast winds 10 to 20 knots becoming north 5 to 15 knots by mid afternoon. Waves subsiding to calm to 2 feet.

Tuesday Night

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

Wednesday

Northwest winds 5 to 15 knots veering east. Waves calm to 2 feet.

Thursday

Southeast winds 15 to 25 knots becoming south gales to 40 knots. Showers likely. Waves building to 4 to 7 feet occasionally to 9 feet.