Small Craft Advisory 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
- Applies to
- Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN, Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL, Winthrop Harbor to Wilmette Harbor IL
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: For the Gale Warning, north gales to 35 kt and significant waves to 12 ft occasionally to 16 ft. For the Small Craft Advisory, north winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. Impacts: Strong winds will cause hazardous waves which could capsize or damage vessels and reduce...
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 Gale Warning, north gales to 35 kt and significant waves to 12 ft occasionally to 16 ft. For the Small Craft Advisory, north winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Calumet Harbor, IL. * WHEN...For the Gale Warning, until 1 AM CDT Saturday. For the Small Craft Advisory, from 1 AM to 10 AM CDT 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
- Alert
Small Craft Advisory issued October 16 at 9:33PM CDT until October 17 at 3:00PM CDT by NWS Chicago IL
Official revision - Alert
Small Craft Advisory issued October 16 at 9:33PM CDT until October 17 at 10:00AM 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