Watches, Warnings & Advisories



One product issued by NWS for: 8NM ESE Chicago IL

Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
326 PM CDT Wed Jul 16 2025

LMZ740>743-170430-
/O.NEW.KLOT.SC.Y.0073.250717T1400Z-250718T0900Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
326 PM CDT Wed Jul 16 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 4 AM CDT
FRIDAY...

* WHAT...North winds to 25 kt and significant waves to 6 ft
  occasionally to 8 ft expected.

* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
  Harbor IL to Gary IN.

* WHEN...From 9 AM Thursday to 4 AM CDT Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$