Nearshore Marine Forecast
Issued by NWS Chicago, IL

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590
FZUS53 KLOT 250242
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
942 PM CDT Fri May 24 2024

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>742-250915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
942 PM CDT Fri May 24 2024

.REST OF TONIGHT...Southwest winds 10 to 20 kt becoming west 10
to 15 kt. Showers and thunderstorms likely late in the evening,
then chance of showers and thunderstorms after midnight. Waves 2
to 4 ft subsiding to 1 to 2 ft.
.SATURDAY...Northwest winds 10 to 15 kt becoming east in the early
afternoon and southeast late. Sunny. Waves 1 to 2 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt. Partly cloudy in
the evening, then becoming mostly cloudy. Waves around 1 ft.
.SUNDAY...Southeast winds 10 to 20 kt increasing to 20 to 25 kt.
Showers likely and a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon. Waves 1 to 3
ft building to 3 to 5 ft. A small craft advisory may be needed.

$$

LMZ743>745-250915-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
942 PM CDT Fri May 24 2024

.REST OF TONIGHT...South winds 10 to 20 kt becoming west 10 to
15 kt. Showers and thunderstorms likely late in the evening,
then chance of showers and thunderstorms after midnight. Waves 1
to 2 ft.
.SATURDAY...Northwest winds 10 to 15 kt becoming northeast 5 to
10 kt in the early afternoon. Mostly sunny. Waves 1 to 3 ft.
.SATURDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to
15 kt. Mostly clear in the evening, then becoming mostly cloudy.
Waves around 1 ft.
.SUNDAY...Southeast winds 10 to 20 kt becoming south 20 to 25 kt.
Chance of showers and thunderstorms in the morning, then showers
with thunderstorms likely in the afternoon. Waves 1 to 3 ft. A
small craft advisory may be needed.

$$