Weather Alert Watch
Minor Marine Weather Statement

Marine Weather Statement for Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake

The areas affected include... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 1208 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to...

USWilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor IL; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake

Official alert brief

The areas affected include... Nearshore Waters from Wilmette Harbor to Calumet Harbor... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... At 1208 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located over 31st Street Harbor, moving northeast at 25 knots.

Instructions

Mariners can expect gusty winds to around 30 knots, locally higher waves, and lightning strikes. Boaters should seek safe harbor immediately until this storm passes.