564
FZUS53 KLOT 070232
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
932 PM CDT Tue May 6 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>742-070930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
932 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TONIGHT...Southeast winds 5 to 10 kt becoming light and
variable overnight. Mostly clear. Waves 1 ft or less.
.WEDNESDAY...Variable winds less than 10 kt becoming north to 30
kt late in the morning. A few gale force gusts to 35 kt. Becoming
mostly cloudy. Waves around 1 ft quickly building to 4 to 7 ft
occasionally to 9 ft.
.WEDNESDAY NIGHT...North winds to 30 kt becoming northeast and
diminishing to 15 to 25 kt. Mostly cloudy. Waves 6 to 9 ft
occasionally to 12 ft.
.THURSDAY...Northeast winds 15 to 20 kt becoming north. Partly
cloudy in the morning then clearing. Waves 4 to 7 ft occasionally
to 9 ft subsiding to 3 to 6 ft occasionally to 8 ft.

$$

LMZ743>745-070930-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
932 PM CDT Tue May 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.REST OF TONIGHT...East winds 5 to 10 kt becoming light and
variable overnight. Mostly clear. Waves around 1 ft.
.WEDNESDAY...Variable winds less than 10 kt becoming north and
quickly increasing to 30 kt late in the morning. A few gale force
gusts to 35 kt. Mostly sunny in the morning, then becoming mostly
cloudy. Waves 1 ft or less building to 4 to 7 ft occasionally to
9 ft.
.WEDNESDAY NIGHT...North winds 15 to 25 kt becoming northeast
10 to 20 kt overnight. Partly cloudy in the evening, then
becoming mostly cloudy. Waves 5 to 8 ft occasionally to 10 ft.
.THURSDAY...Northeast winds 10 to 20 kt becoming north. Mostly
cloudy in the morning then clearing. Waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 6 ft occasionally to 8 ft.

$$

Yack