FZUS53 KLOT 181400
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
900 AM CDT Fri Apr 18 2025

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>745-182115-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
900 AM CDT Fri Apr 18 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...Southwest gales to 35 kt. Slight chance of 
showers and thunderstorms late in the afternoon. Waves 2 to 4 ft.
.TONIGHT...Southwest gales to 35 kt early, diminishing to 
southwest winds 15 to 25 kt by late evening, then shifting to  
northwest 10 to 20 kt overnight. Chance of showers and 
thunderstorms in the evening. Waves 2 to 4 ft. 
.SATURDAY...North winds 10 to 15 kt becoming northeast 5 to 10 kt
in the afternoon. Mostly cloudy. Waves 1 to 3 ft. 
.SATURDAY NIGHT...East winds 5 to 10 kt becoming northeast 10 to
15 kt. Slight chance of showers in the evening, then chance of
showers overnight. Waves 1 to 2 ft. 

$$

KJB