FZUS53 KLOT 210857

NSHLOT



Nearshore Marine Forecast

National Weather Service Chicago/Romeoville IL

357 AM CDT Sun Jun 21 2026



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>742-211515-

Winthrop Harbor to Wilmette Harbor IL-

Wilmette Harbor to Northerly Island IL-

Northerly Island to Calumet Harbor IL-

357 AM CDT Sun Jun 21 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

LATE MONDAY NIGHT...



.TODAY...East winds around 10 kt increasing to 20 to 25 kt late in

the afternoon. Showers in the afternoon. Waves 1 ft or less 

building to 1 to 2 ft. 

.TONIGHT...Northeast winds to 30 kt diminishing to 20 to 25 

kt after midnight. Showers in the evening, then chance of showers

overnight. Waves 4 to 7 ft occasionally to 9 ft. 

.MONDAY...North winds 20 to 25 kt. Slight chance of showers in

the morning. Waves 4 to 6 ft occasionally to 8 ft. 

.MONDAY NIGHT...North winds 10 to 20 kt. Mostly clear. Waves 4 to

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



$$



LMZ743>745-211515-

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

Burns Harbor to Michigan City IN-

357 AM CDT Sun Jun 21 2026



...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH

LATE MONDAY NIGHT...



.TODAY...Southeast winds around 10 kt becoming east and

increasing to 20 to 25 kt late in the afternoon. Showers in the 

afternoon. Waves 1 ft or less building to 1 to 2 ft. 

.TONIGHT...East winds to 30 kt becoming northeast. Showers and

slight chance of thunderstorms in the evening, then showers

likely overnight. Waves 4 to 7 ft occasionally to 9 ft. 

.MONDAY...Northeast winds 20 to 25 kt becoming north in the

afternoon. Slight chance of showers in the morning. Waves 4 to

6 ft occasionally to 8 ft. 

.MONDAY NIGHT...North winds 10 to 20 kt. Partly cloudy in the

evening, then becoming mostly clear. Waves 4 to 6 ft occasionally

to 8 ft subsiding to 3 to 5 ft.  



$$



Ogorek