Periods of Snow in the Northern Rockies and Great Lakes

Moderate to heavy lake-effect snow will develop over the eastern U.P. of Michigan and downwind from Lakes Erie and Ontario. Snow will develop over parts of the Northern Rockies/Northern High Plains into Wednesday.
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Hazardous Weather Conditions

Last Update: 325 AM CDT Tue Mar 19 2024

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Green Bay, WI Local Forecast Office

21NM SSE Washington Island WI

Marine Zone Forecast

SHEBOYGAN WI TO PENTWATER MI NORTH
Today
Southwest winds to 30 kt becoming northwest. Chance of snow showers this morning, then slight chance of snow showers this afternoon. Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft occasionally to 8 ft.
Tonight
Northwest winds to 30 kt increasing to gales to 35 kt. Slight chance of snow showers. Waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft.
Wednesday
Northwest gales to 35 kt diminishing to 30 kt. Freezing spray in the morning. Waves 7 to 10 ft occasionally to 13 ft subsiding to 6 to 9 ft occasionally to 12 ft.
Wednesday Night
Northwest winds to 30 kt diminishing to 15 to 25 kt. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
Thursday
Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
Thursday Night
Southeast winds 10 to 15 kt. Chance of snow. Waves 1 to 3 ft.
Friday
Southeast winds 15 to 25 kt. Snow likely. Waves 2 to 4 ft.
Saturday
Northwest winds to 30 kt diminishing to 15 to 25 kt. Waves 3 to 5 ft.
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ABOUT THIS FORECAST

Last Update: 325 AM CDT Tue Mar 19 2024
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