Watches, Warnings & Advisories

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One product found for Marine Zone: LMZ742

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Small Craft Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
909 PM CST Mon Nov 17 2025

LMZ740>742-181115-
/O.CON.KLOT.SC.Y.0102.251118T1200Z-251119T0900Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
909 PM CST Mon Nov 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM TUESDAY TO
3 AM CST WEDNESDAY...

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

* WHERE...Winthrop Harbor to Calumet Harbor IL.

* WHEN...From 6 AM Tuesday to 3 AM CST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

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