National Weather Service United States Department of Commerce

Hazardous Weather Outlook product no longer displayed on national hazards map

NWS has made a change to the national hazard map, shown below, and will no longer be displaying the Hazardous Weather Outlook (HWO) product on the map. This change is intended to help users focus more quickly on the immediate impacts of hazards instead of those that are highlighted for the future. The Hazardous Weather Outlook will still be available on local Weather Forecast Office Web pages.
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Last Update: 304 PM CDT TUE OCT 21 2014

View Nearby Observations

Winthrop Harbor to Wilmette Harbor IL

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.

  • Tonight Northeast winds 15 to 25 kt becoming east 10 to 15 kt late. Mostly cloudy in the evening then clearing. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 6 ft occasionally to 8 ft after midnight.
  • Wednesday East winds 10 to 15 kt. Sunny. Waves 2 to 4 ft.
  • Wednesday Night Southeast winds 10 to 15 kt becoming south after midnight. Mostly clear. Waves 1 to 3 ft.
  • Thursday South winds 15 to 20 kt. Slight chance of showers in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft in the afternoon.



Additional Forecasts and Information

Zone Area Forecast for Winthrop Harbor to Wilmette Harbor IL
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