National Weather Service United States Department of Commerce

Relatively quiet weather pattern over much of the U.S.

A quieter weather pattern will continue to set up for most of the U.S. as arctic air continues to surge southward behind a cold front sweeping across the Southeast U.S. Expect temperatures to be 10 to 30 degrees below climate averages from the southern Plains to the Northeast on Friday.
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Last Update: 848 PM CST THU MAR 5 2015

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Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake

Marine Zone Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

  • SynopsisHIGH PRESSURE OF 30.6 INCHES CENTERED OVER THE OHIO VALLEY IS EXPECTED TO DRIFT SOUTHEAST AND BECOME CENTERED OVER THE MIDDLE ATLANTIC REGION FRIDAY. THIS RIDGE OF HIGH PRESSURE WILL REMAIN ANCHORED OVER THE SOUTHEAST STATES THROUGH THE WEEKEND BEFORE SHIFTING EAST OVER THE ATLANTIC OCEAN EARLY NEXT WEEK. MEANWHILE...A 29.5 INCH LOW WILL DROP ACROSS LAKE ONTARIO TONIGHT INTO FRIDAY AND ANOTHER 30.0 INCH LOW WILL MOVE ACROSS THE NORTHERN LAKES REGION FRIDAY NIGHT INTO SATURDAY. A 29.8 INCH LOW WILL THEN MOVE ACROSS ONTARIO ON SUNDAY...FOLLOWED BY ANOTHER 29.7 INCH LOW ON TUESDAY.
  • Rest Of Tonight Southwest winds 10 to 20 kt increasing to 15 to 25 kt. Slight chance of snow showers. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
  • Friday Southwest winds to 30 kt. Freezing spray. Slight chance of snow showers in the afternoon. Waves building to 7 to 10 ft occasionally to 13 ft.
  • Friday Night Southwest winds to 30 kt diminishing to 15 to 25 kt overnight. Slight chance of snow. Waves subsiding to 5 to 8 ft occasionally to 10 ft.
  • Saturday Southwest winds 10 to 20 kt becoming west. Slight chance of snow showers. Waves 3 to 5 ft occasionally to 7 ft.
  • Saturday Night West winds 10 to 20 kt. Slight chance of snow showers. Waves 1 to 3 ft.
  • Sunday West winds 10 to 20 kt becoming southwest in the afternoon. Slight chance of rain or snow. Waves 2 to 4 ft.
  • Sunday Night West winds 15 to 25 kt. Slight chance of snow showers. Waves 2 to 4 ft.
  • Monday West winds 10 to 15 kt becoming southwest 10 to 20 kt in the afternoon. Waves 2 to 4 ft.
  • Tuesday Southwest winds 15 to 25 kt. Waves 3 to 5 ft occasionally to 7 ft.

    wave forecast is for ice free areas



Additional Forecasts and Information

Zone Area Forecast for Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake
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