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21NM NE Evanston IL

Marine Zone Forecast

Today

Northwest winds 10 to 15 kt becoming southwest 10 to 20 kt. Slight chance of snow this morning. Waves 2 to 4 ft subsiding to 1 to 3 ft.

Tonight

Southwest winds 10 to 20 kt increasing to 30 kt. Chance of snow overnight. Waves 2 to 4 ft building to 7 to 10 ft occasionally to 13 ft.

Wednesday

Southwest winds to 30 kt becoming northwest. Snow likely in the morning, then snow in the afternoon. Waves 8 to 12 ft occasionally to 16 ft subsiding to 6 to 9 ft occasionally to 12 ft.

Wednesday Night

Northwest winds to 30 kt. Chance of snow in the evening. Freezing spray overnight. Waves 8 to 12 ft occasionally to 16 ft.

Thursday

Northwest winds 15 to 25 kt becoming west 10 to 20 kt. Freezing spray in the morning. Waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to 7 ft occasionally to 9 ft.

Thursday Night

Southwest winds to 30 kt. Waves 4 to 7 ft occasionally to 9 ft building to 8 to 11 ft occasionally to 14 ft.

Friday

Southwest winds to 30 kt. Chance of snow. Waves 8 to 11 ft occasionally to 14 ft.

Saturday

Northwest winds 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to 8 ft.