NWS coastal zone LMZ742
Marine alerts linked to this verified National Weather Service zone.
Current answer
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 3 more
Context only
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 3 more
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 3 more
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 3 more
Burns Harbor to Michigan City IN, Calumet Harbor IL to Gary IN, Gary to Burns Harbor IN and 3 more
Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL, Winthrop Harbor to Wilmette Harbor IL
Northerly Island to Calumet Harbor IL, Wilmette Harbor to Northerly Island IL, Winthrop Harbor to Wilmette Harbor IL
This page uses official NWS zone membership. For exact location matching, an alert must include official geometry or be linked to a verified zone geometry that contains the point.
How location matching works