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Active official alertUpdated

Dense Fog Advisory for Winthrop Harbor to Wilmette Harbor IL

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Dense fog with visibility occasionally dipping below one half of a mile expected. Impacts: Low visibility will make navigation difficult. Where: Winthrop Harbor to Wilmette Harbor IL. When: Until 4 PM CDT Tuesday.

What the bulletin says to do

If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass.

Full official description

Bulletin details

* WHAT...Dense fog with visibility occasionally dipping below one half of a mile expected. * WHERE...Winthrop Harbor to Wilmette Harbor IL. * WHEN...Until 4 PM CDT Tuesday. * IMPACTS...Low visibility will make navigation difficult. * ADDITIONAL DETAILS...The densest fog is favored near and north of Waukegan. Visibility will worsen with increasing distance away from the shoreline.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Dense Fog Advisory issued August 31 at 11:39PM CDT until September 1 at 4:00PM CDT by NWS Chicago IL

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Chicago IL. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections