Alert USA
weather NWS minor Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL October 16, 2026 at 1:52 PM

Small Craft Advisory

* WHAT...For the Small Craft Advisory, northwest winds to 30 kt and significant waves to 5 ft. For the Gale Warning, north winds 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 this afternoon. For the Gale Warning, from 1 PM this afternoon to 1 AM CDT Saturday.

* IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.

Local conditions in Winthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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