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FZUS53 KLOT 170839

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

339 AM CDT Wed Apr 17 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>742-171530-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

339 AM CDT Wed Apr 17 2024



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



.TODAY...South winds 20 to 25 kt becoming southwest to 30 kt

in the mid morning and then west in the afternoon with occasional

gusts to 35 kt gales. Chance of showers and thunderstorms in the 

morning, then slight chance of showers in the afternoon. Waves 4 

to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 

.TONIGHT...West winds to 30 kt diminishing to around 10 kt late. 

Mostly cloudy in the evening then clearing. Waves 2 to 4 ft 

subsiding to around 1 ft. 

.THURSDAY...Variable winds around 5 kt becoming northeast 10 to 

15 kt in the afternoon. Chance of showers in the morning, then 

showers likely in the afternoon. Waves 1 to 2 ft.

.THURSDAY NIGHT...North winds 10 to 15 kt becoming northwest

overnight. Showers likely in the evening. Waves 1 to 3 ft.  



$$



LMZ743>745-171530-

Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-

Burns Harbor to Michigan City IN-

339 AM CDT Wed Apr 17 2024



...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...



.TODAY...South winds 20 to 25 kt becoming southwest to 30 kt in

the mid to late morning and then west to 30 kt in the afternoon

with a few gusts to 35 kt gales. Chance of showers and 

thunderstorms in the morning, then slight chance of showers in the

afternoon. Waves 1 to 3 ft building to 3 to 5 ft. 

.TONIGHT...West winds to 30 kt diminishing to around 10 kt late. 

Mostly cloudy in the evening then clearing. Waves 3 to 5 ft

subsiding to 1 to 3 ft.

.THURSDAY...Variable winds around 5 kt becoming northeast 10 to 

15 kt in the afternoon. Chance of showers in the afternoon. Waves 

1 to 2 ft. 

.THURSDAY NIGHT...North winds 10 to 15 kt becoming northwest 10 to

20 kt overnight. Showers in the evening, then slight chance of 

showers overnight. Waves 1 to 3 ft. 



$$



RC