Small Craft Advisory

FROM: NWS Chicago IL
AREA: Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL
SENT: 2026-06-16T21:51:00-05:00

Small Craft Advisory issued June 16 at 9:51PM CDT until June 18 at 1:00AM CDT by NWS Chicago IL

* WHAT…South winds to 30 kt and significant waves to 7 ft
occasionally to 9 ft expected.

* WHERE…Winthrop Harbor to Calumet Harbor IL.

* WHEN…From 1 PM Wednesday to 1 AM CDT Thursday.

* IMPACTS…Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

Alert Expiration: 2026-06-17T06:00:00-05:00