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Marquette, MI Local Forecast Office

24NM NNW Copper Harbor MI

Marine Zone Forecast

Late This Afternoon

East gales to 35 knots. Snow. Waves 8 to 11 feet occasionally to 14 feet building to 9 to 12 feet occasionally to 15 feet.

Tonight

Northeast gales to 35 knots becoming north 20 to 30 knots late. Snow through midnight. A slight chance of sleet. A chance of snow, possibly mixed with freezing rain after midnight. Waves building to 10 to 14 feet occasionally to 18 feet, then subsiding to 7 to 10 feet occasionally to 13 feet.

Friday

North winds 20 to 30 knots diminishing to 15 to 25 knots in the afternoon, then becoming northeast 10 to 20 knots late. A slight chance of snow showers through early afternoon. Waves subsiding to 2 to 4 feet.

Friday Night

East winds 15 to 25 knots increasing to gales to 35 knots after midnight. A slight chance of rain, snow and sleet through midnight, then snow, possibly mixed with sleet, rain likely and freezing rain after midnight. Waves building to 7 to 10 feet occasionally to 13 feet.

Saturday

East gales to 35 knots diminishing to 20 to 30 knots by mid afternoon. Sleet through early afternoon. Snow. A slight chance of rain showers by mid afternoon. Waves building to 8 to 11 feet occasionally to 14 feet, then subsiding to 6 to 9 feet occasionally to 11 feet.

Saturday Night

North winds 20 to 30 knots becoming northwest gales to 35 knots after midnight. Snow showers likely through midnight. Waves subsiding to 5 to 8 feet occasionally to 10 feet, then building to 6 to 9 feet occasionally to 11 feet.

Sunday

Northwest gales to 35 knots becoming west 15 to 25 knots by mid afternoon. Waves subsiding to 2 to 4 feet.

Sunday Night

West winds 5 to 15 knots becoming north 10 to 20 knots after midnight. Waves subsiding to 1 to 3 feet, then building to 2 to 4 feet.

Monday

North winds 15 to 25 knots. A chance of snow showers. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 4 feet.

Tuesday

West winds 10 to 20 knots becoming south gales to 35 knots. Waves subsiding to calm to 2 feet, then building to 6 to 9 feet occasionally to 11 feet.