Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Hazardous Weather Conditions

Small Craft Advisory until October 8, 09:00 PM CDT

Last Update: 501 PM EDT Wed Oct 7 2026

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Marquette, MI Local Forecast Office

12NM NE Munising MI

Marine Zone Forecast

Late This Afternoon

Northwest wind 15 to 20 knots. Mostly sunny with a chance of showers. Waves 2 to 4 feet.

Tonight

Northwest wind 15 to 20 knots with gusts up to 28 knots. Mostly clear. A chance of showers and a slight chance of thunderstorms through late evening, then a slight chance of showers by midnight. A chance of showers late. Waves building to 3 to 6 feet occasionally to 8 feet.

Thursday

Northwest wind 20 to 25 knots with gusts up to 32 knots. Partly cloudy with a slight chance of showers. Waves building to 6 to 9 feet occasionally to 11 feet, then subsiding to 5 to 8 feet occasionally to 10 feet.

Thursday Night

Northwest wind 10 to 20 knots backing west less than 10 knots after midnight. Mostly cloudy in the evening then becoming partly cloudy. Waves subsiding to 1 to 2 feet.

Friday

Southwest wind less than 10 knots backing south in the afternoon. Gusts up to 17 knots. Mostly sunny. Waves 1 to 2 feet.