854
FZUS53 KLOT 201432
NSHLOT
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
932 AM CDT MON JUL 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVES, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.
LMZ740>742-202130-
WINTHROP HARBOR TO WILMETTE HARBOR IL-
WILMETTE HARBOR TO NORTHERLY ISLAND IL-
NORTHERLY ISLAND TO CALUMET HARBOR IL-
932 AM CDT MON JUL 20 2026
REST OF TODAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH AND
INCREASING TO 15 TO 25 KT. SMOKE LATE IN THE MORNING. MOSTLY
CLOUDY. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
TONIGHT
SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. SCATTERED
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
TUESDAY
WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO 30 KT IN
THE EVENING. ISOLATED SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
TUESDAY NIGHT
NORTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
ISOLATED SHOWERS IN THE EVENING. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT. A SMALL CRAFT
ADVISORY WILL LIKELY BE NEEDED.
LMZ743>745-202130-
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-
BURNS HARBOR TO MICHIGAN CITY IN-
932 AM CDT MON JUL 20 2026
REST OF TODAY
SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 20
KT. SMOKE LATE IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 3 FT.
TONIGHT
SOUTHWEST WINDS 15 TO 25 KT. SCATTERED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FT BUILDING TO 2 TO 4
FT.
TUESDAY
WEST WINDS 15 TO 25 KT BECOMING NORTHWEST IN THE
AFTERNOON. ISOLATED SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT.
TUESDAY NIGHT
NORTH WINDS TO 30 KT. ISOLATED SHOWERS IN THE
EVENING. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT BUILDING TO 8 TO
11 FT OCCASIONALLY TO 14 FT. A SMALL CRAFT ADVISORY WILL LIKELY
BE NEEDED.
- IZZI
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