FZUS53 KLOT 090225

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

925 PM CDT Thu May 8 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>742-091015-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

925 PM CDT Thu May 8 2025



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT FRIDAY...



.REST OF TONIGHT...North winds 20 to 25 kt becoming northeast and

diminishing to around 10 kt after midnight. Clear. Waves 4 to 6 

ft occasionally to 8 ft subsiding to 3 to 5 ft. 

.FRIDAY...Northeast winds 5 to 10 kt. Mostly sunny. Waves 2 to

4 ft subsiding to 1 to 3 ft. 

.FRIDAY NIGHT...Southeast winds 5 to 10 kt becoming southwest

overnight. Clear. Waves 1 to 2 ft subsiding to 1 ft or less. 

.SATURDAY...West winds 5 to 10 kt becoming north 10 to 15 kt in

the afternoon. Mostly sunny. Waves 1 ft or less building to 1 to

3 ft.  



$$



LMZ743>745-091015-

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

Burns Harbor to Michigan City IN-

925 PM CDT Thu May 8 2025



...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT FRIDAY...



.REST OF TONIGHT...Northeast winds 20 to 25 kt diminishing to 10 

to 15 kt after midnight. Clear. Waves 4 to 7 ft occasionally to 9 

ft subsiding to 3 to 5 ft. 

.FRIDAY...Northeast winds 5 to 10 kt becoming north in the

afternoon. Mostly sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft. 

.FRIDAY NIGHT...Northeast winds less than 10 kt becoming

southwest overnight. Clear. Waves 1 to 2 ft. 

.SATURDAY...Southwest winds 5 to 10 kt becoming northwest 10 to

15 kt in the afternoon. Mostly sunny. Waves 1 ft or less building

to 1 to 2 ft.  



$$