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⛅ Special Marine Warning issued March 30 at 9:55PM CDT until March 30 at 11:15PM CDT by NWS Chicago IL

weatherbearishSource: NOAA Weather
90%Confidence
0Views
NOAA WeatherSource
2026-03-31Date

Summary

A special marine warning for Lake Michigan near Chicago indicates hazardous conditions for maritime operations and shipping. This may cause delays for cargo and passenger vessels, impacting logistics and port activities.

Actionable: Monitor for shipping and logistics disruptions in the nearshore and open waters of Lake Michigan.

AI Confidence: 90%

Data Points

severitySevere
eventSpecial Marine Warning
areaWinthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake
urgencyImmediate
certaintyLikely

Source

http://www.weather.gov

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