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: Northeast winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. Impacts: Conditions will be hazardous to small craft. Where: Winthrop Harbor to Calumet Harbor IL. When: Until 3 AM CDT Monday.
What the bulletin says to do
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Full official description
Bulletin details
* WHAT...Northeast winds to 30 kt and significant waves to 9 ft occasionally to 12 ft. * WHERE...Winthrop Harbor to Calumet Harbor IL. * WHEN...Until 3 AM CDT Monday. * IMPACTS...Conditions will be hazardous to small craft.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Small Craft Advisory issued August 1 at 3:10PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued August 1 at 3:10PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued August 1 at 10:10AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued August 1 at 10:10AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued August 1 at 3:05AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued August 1 at 3:05AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 9:06PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 9:06PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 3:18PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 3:18PM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 10:10AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Update
Small Craft Advisory issued July 31 at 10:10AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Alert
Small Craft Advisory issued July 31 at 3:16AM CDT until August 3 at 3:00AM CDT by NWS Chicago IL
Official revision - Alert
Small Craft Advisory issued July 31 at 3:16AM CDT until August 3 at 3:00AM 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
- Update
- Last collected