Expires:202411220445;;442562
FZUS53 KLOT 212118
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
318 PM CST Thu Nov 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>742-220445-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
318 PM CST Thu Nov 21 2024

...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

.LATE THIS AFTERNOON...Northwest gales to 35 kt becoming north
gales to 40 kt. Chance of rain. Waves building to 6 to 9 ft 
occasionally to 12 ft. 
.TONIGHT...North gales to 40 kt becoming northwest and diminishing
to 20 to 25 kt. Slight chance of rain in the evening, then slight
chance of rain after midnight. Waves 6 to 9 ft occasionally to 12
ft subsiding to 4 to 6 ft occasionally to 8 ft.
.FRIDAY...Northwest winds to 30 kt diminishing to 20 to 25 kt.
Cloudy. Waves 4 to 7 ft occasionally to 9 ft. 
.FRIDAY NIGHT...Northwest winds 20 to 25 kt diminishing to 10 to
20 kt. Mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft 
subsiding to 2 to 4 ft. 
.SATURDAY...Northwest winds 10 to 15 kt becoming west. Mostly 
cloudy. Waves 1 to 3 ft. 

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