076
FZUS53 KLOT 162030
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
330 PM CDT Wed Jul 16 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>743-170330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
330 PM CDT Wed Jul 16 2025

...SEVERE THUNDERSTORM WATCH 518 IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH
LATE THURSDAY NIGHT...

.LATE THIS AFTERNOON...Southwest winds 10 to 20 kt. Numerous
showers and thunderstorms. Some thunderstorms may be severe with
damaging winds. Waves 1 to 2 ft. Winds and waves significantly
higher in and near thunderstorms.
.TONIGHT...Southwest winds 15 to 20 kt becoming northwest late.
Chance of showers and thunderstorms in the evening. Waves 1 to 2
ft building to 2 to 4 ft.
.THURSDAY...Northwest winds 10 to 20 kt becoming north and
increasing to 15 to 25 kt in the afternoon. Mostly cloudy. Waves
building to 3 to 6 ft occasionally to 8 ft.
.THURSDAY NIGHT...North winds 15 to 25 kt becoming northeast
10 to 20 kt. Mostly cloudy in the evening, then becoming partly
cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5
ft late.
.FRIDAY...Northeast winds 10 to 15 kt becoming east around 10 kt.
Mostly sunny in the morning, then becoming partly cloudy. Waves 2
to 4 ft subsiding to 1 to 3 ft.

$$

LMZ744-745-170330-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
330 PM CDT Wed Jul 16 2025

...SEVERE THUNDERSTORM WATCH 518 IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE
THURSDAY NIGHT...

.LATE THIS AFTERNOON...Southwest winds 10 to 20 kt. Numerous
showers and thunderstorms. Some thunderstorms may be severe with
damaging winds. Waves around 1 ft. Winds and waves significantly
higher in and near thunderstorms.
.TONIGHT...Southwest winds 15 to 20 kt becoming northwest late.
Scattered showers and thunderstorms in the early evening. Waves 1
to 2 ft building to 3 to 6 ft occasionally to 8 ft late.
.THURSDAY...Northwest winds 15 to 20 kt becoming north 15 to 25 kt
in the afternoon. Mostly cloudy. Waves 3 to 6 ft occasionally to
8 ft building to 4 to 7 ft occasionally to 9 ft.
.THURSDAY NIGHT...North winds 15 to 25 kt becoming northeast
10 to 20 kt overnight. Mostly cloudy in the evening, then
becoming partly cloudy. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 3 to 5 ft late.
.FRIDAY...East winds 5 to 10 kt becoming northeast in the
afternoon. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 2 ft.


$$

RC