NWS Chicago ILGL.W 0021October 15, 2026
Gale Warning: Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL
The National Weather Service office in Chicago issued a gale warning for Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL, in force until 1:00 a.m. local time on October 17. It was the 21st gale warning the NWS office in Chicago issued in 2026.
Warning
In force for 12 hours
The notice
- Issued by
- National Weather Service, Chicago IL
- Area
- Winthrop Harbor to Wilmette Harbor IL, Wilmette Harbor to Northerly Island IL and Northerly Island to Calumet Harbor IL
- Level
- Warning
- Issued
- 2:59 p.m. CDT, October 15, 2026
- In force from
- 1:00 p.m. CDT, October 16, 2026
- Expires
- 1:00 a.m. CDT, October 17, 2026
- CAP severity, certainty, urgency
- Moderate, Likely, Expected
- VTEC event
- KLOT GL.W 0021
- Official source
- National Weather Service: the notice at its source
NWS notices, October 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...For the Small Craft Advisory, west winds to 30 kt with a few gale force gusts to 35 kt expected. For the Gale Warning, northerly gales to 40 kt and significant waves to 14 ft occasionally to 18 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...For the Small Craft Advisory, until 1 PM CDT Friday. For the Gale Warning, from 1 PM Friday to 1 AM CDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.
What the agency told people 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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.