Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 220221
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
921 PM 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>742-220915-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
921 PM CDT Thu Mar 21 2024

.REST OF TONIGHT...East winds 10 to 20 kt. Snow likely after
midnight. Waves 1 to 3 ft building to 2 to 4 ft.
.FRIDAY...East winds 15 to 20 kt in the morning becoming
northeast 15 to 20 kt late 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. Chance of snow in the
evening. Waves 3 to 5 ft.
.SATURDAY...North winds 15 to 20 kt becoming northeast. Mostly
cloudy in the morning, then becoming partly cloudy. Waves 4 to 6
ft occasionally to 8 ft. A small craft advisory will likely be
needed.

$$

LMZ743>745-220915-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
921 PM CDT Thu Mar 21 2024

.REST OF TONIGHT...East winds around 10 kt increasing to 10 to 20
kt late. Chance of snow after midnight. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 20 kt becoming northeast late in the
afternoon. Slight chance of rain and snow in the morning, then
rain and snow in the afternoon. Waves 1 to 3 ft building to 2 to 4
ft.
.FRIDAY NIGHT...North winds 15 to 20 kt. Snow and rain in the
evening, then slight chance of snow overnight. Waves 3 to 6 ft. A
small craft advisory will likely be needed.
.SATURDAY...North winds 20 to 25 kt diminishing to 15 to 20 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves
4 to 6 ft occasionally to 8 ft.

$$

- Izzi


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