847
FZUS53 KLOT 210216
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
916 PM CDT Fri Jun 20 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>744-210915-
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-
916 PM CDT Fri Jun 20 2025

...GALE WARNING IN EFFECT FROM 9 AM CDT SATURDAY THROUGH SATURDAY
EVENING...

.REST OF TONIGHT...South winds 15 to 25 kt. Mostly clear. Waves
2 to 4 ft.
.SATURDAY...South winds 15 to 25 kt becoming southwest gales to
35 kt by late morning. Mostly sunny. Waves 2 to 4 ft building to
3 to 5 ft.
.SATURDAY NIGHT...Southwest gales to 35 kt diminishing to 15 to
25 kt. Clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.SUNDAY...Southwest winds 15 to 25 kt increasing to 30 kt. Sunny.
Waves 2 to 4 ft.

$$

LMZ745-210915-
Burns Harbor to Michigan City IN-
916 PM CDT Fri Jun 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM CDT SATURDAY THROUGH
SATURDAY EVENING...

.REST OF TONIGHT...South winds 10 to 20 kt increasing to 15 to
25 kt. Mostly clear. Waves 1 to 3 ft.
.SATURDAY...South winds 15 to 25 kt increasing to 30 kt and
becoming southwest with occasional 35 kt gales. Mostly sunny.
Waves 1 to 3 ft building to 2 to 4 ft.
.SATURDAY NIGHT...Southwest winds to 30 kt with occasional 35 kt
gales in the evening diminishing to 15 to 25 kt. Clear. Waves 2
to 4 ft subsiding to 1 to 3 ft.
.SUNDAY...Southwest winds 15 to 20 kt increasing to 20 to 25 kt.
Sunny. Waves 1 to 3 ft.

$$