948
FZUS53 KLOT 052013
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
313 PM CDT Fri Sep 5 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>742-060345-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
313 PM CDT Fri Sep 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...West winds 20 to 25 kt diminishing to 10 to 20 kt.
Partly cloudy in the evening then clearing. Waves 1 to 3 ft.
.SATURDAY...West winds 15 to 20 kt. Mostly sunny in the morning,
then becoming mostly cloudy. Waves 1 to 3 ft.
.SATURDAY NIGHT...West winds 15 to 20 kt becoming northwest.
Partly cloudy in the evening then clearing. Waves 1 to 3 ft.
.SUNDAY...Northwest winds 10 to 20 kt diminishing to around 10 kt
in the afternoon and becoming north late. Mostly sunny. Waves 1
to 2 ft.

$$

LMZ743-744-060345-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
313 PM CDT Fri Sep 5 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

.TONIGHT...West winds 20 to 25 kt diminishing to 15 to 20 kt.
Mostly cloudy in the evening, then becoming partly cloudy. Waves 3
to 5 ft subsiding to 2 to 4 ft.
.SATURDAY...West winds 15 to 20 kt. Mostly sunny in the morning,
then becoming partly cloudy. Waves 2 to 4 ft.
.SATURDAY NIGHT...West winds 15 to 20 kt becoming northwest.
Partly cloudy in the evening then clearing. Waves 2 to 4 ft.
.SUNDAY...Northwest winds 15 to 20 kt becoming north around 10 kt
in the afternoon. Sunny. Waves 2 to 4 ft subsiding to 1 to 3 ft.

$$

LMZ745-060345-
Burns Harbor to Michigan City IN-
313 PM CDT Fri Sep 5 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY AFTERNOON...

.TONIGHT...West winds 20 to 25 kt diminishing to 15 to 20 kt.
Mostly cloudy in the evening, then becoming partly cloudy. Waves 3
to 6 ft occasionally to 8 ft.
.SATURDAY...West winds 15 to 25 kt. Mostly sunny in the morning,
then becoming mostly cloudy. Waves 3 to 6 ft.
.SATURDAY NIGHT...West winds 15 to 20 kt becoming northwest 20 to
25 kt. Partly cloudy in the evening then clearing. Waves 3 to 6
ft occasionally to 8 ft.
.SUNDAY...Northwest winds 15 to 20 kt diminishing to around 10 kt
in the afternoon and becoming north late. Sunny. Waves 3 to 6 ft
subsiding to 2 to 4 ft.

$$

RC