Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 210850
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
350 AM CDT Thu Mar 21 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.

LMZ740-211630-
Winthrop Harbor to Wilmette Harbor IL-
350 AM CDT Thu Mar 21 2024

.TODAY...North winds 5 to 10 kt becoming east 10 to 15 kt late.
Mostly cloudy. Waves 1 to 2 ft.
.TONIGHT...East winds 10 to 20 kt becoming southeast. Snow likely
overnight. Waves 1 to 3 ft building to 2 to 4 ft.
.FRIDAY...Southeast winds 10 to 20 kt becoming east in the
afternoon. Snow likely in the morning, then rain and snow in the
afternoon. Waves 3 to 5 ft.
.FRIDAY NIGHT...North winds 10 to 20 kt increasing to 15 to
25 kt. Mostly cloudy. Waves 2 to 4 ft building to 3 to 5 ft.

$$

LMZ741-742-211630-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
350 AM CDT Thu Mar 21 2024

.TODAY...Northeast winds around 5 kt becoming south around
sunrise, then becoming east 10 to 15 kt by early afternoon.
Mostly cloudy. Waves 1 to 3 ft.
.TONIGHT...East winds 10 to 15 kt becoming southeast 15 to 20 kt
overnight. Chance of snow overnight. Waves 1 to 3 ft building to
2 to 4 ft.
.FRIDAY...Southeast winds 10 to 20 kt becoming northeast in the
afternoon. Chance of rain and snow in the morning, then rain and
snow in the afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...North winds 15 to 25 kt. Slight chance of rain
and snow in the evening. Waves 2 to 4 ft building to 3 to 6 ft. A
small craft advisory will likely be needed.

$$

LMZ743>745-211630-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
350 AM CDT Thu Mar 21 2024

.TODAY...Southeast winds around 5 kt becoming northeast 10 to 15
kt by early afternoon. Mostly cloudy. Waves 2 to 4 ft subsiding to
1 to 2 ft.
.TONIGHT...East winds 10 to 15 kt becoming southeast overnight.
Chance of snow overnight. Waves 1 to 3 ft.
.FRIDAY...Southeast winds 10 to 20 kt becoming east in the
afternoon. Chance of snow and slight chance of rain in the
morning, then rain and slight chance of snow in the afternoon.
Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 15 to 25 kt. Chance of rain and snow
in the evening. Waves 3 to 5 ft building to 4 to 6 ft
occasionally to 8 ft. A small craft advisory will likely be
needed.

$$

Kluber


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