LMZ740>745-201900-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
324 AM CDT Tue Oct 20 2026
TODAY
East winds less than 10 kt becoming northeast around 10
kt in the afternoon. Sunny. Waves around 1 ft.
TONIGHT
East winds around 10 kt becoming light and variable
late in the evening. Mostly clear. Waves around 1 ft.
WEDNESDAY
Light winds becoming east around 10 kt in the
afternoon. Mostly sunny. Waves around 1 ft.
WEDNESDAY NIGHT
Southeast winds less than 10 kt becoming light
and variable late in the evening. Mostly clear. Waves 1 ft or
less.
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