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Active official alertUpdated

Gale Warning for Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL

Official alert fields

What you need to know

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

What is happening

What: For the first Small Craft Advisory, north winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. For the Gale Warning, north gales to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. For the second Small Craft Advisory, north winds to 30 kt with a few gale force gusts...

What the bulletin says to do

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.

Full official description

Bulletin details

* WHAT...For the first Small Craft Advisory, north winds to 30 kt and significant waves to 7 ft occasionally to 9 ft expected. For the Gale Warning, north gales to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. For the second Small Craft Advisory, north winds to 30 kt with a few gale force gusts to 35 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the first Small Craft Advisory, from midnight tonight to 6 AM CST Thursday. For the Gale Warning, from 6 AM to 5 PM CST Thursday. For the second Small Craft Advisory, from 5 PM Thursday to 4 AM CST Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Alert

    Gale Warning issued November 11 at 6:44PM CST until November 12 at 5:00PM CST by NWS Chicago IL

    Official revision
  2. Alert

    Gale Warning issued November 11 at 6:44PM CST until November 12 at 5:00PM CST 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