024
FZUS53 KLOT 050822
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
322 AM CDT Sat Jul 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>742-051515-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
322 AM CDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM CDT THIS AFTERNOON
THROUGH THIS EVENING...

.TODAY...South winds 10 to 15 kt becoming southwest and
increasing to 20 to 25 kt this afternoon. Mostly sunny. Waves 1
to 3 ft.
.TONIGHT...Southwest winds 20 to 25 kt easing to 10 to 20 kt
during the evening. Slight chance of showers and thunderstorms in
the evening, then chance of showers and thunderstorms overnight.
Waves 1 to 3 ft.
.SUNDAY...Southwest winds 15 to 20 kt becoming north in the
afternoon. Chance of showers and thunderstorms. Waves 1 to 3 ft
building to 2 to 4 ft.
.SUNDAY NIGHT...North winds 15 to 20 kt diminishing to 10 to
15 kt. Slight chance of showers in the evening. Waves 3 to 5 ft.

$$

LMZ743>745-051515-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
322 AM CDT Sat Jul 5 2025

.TODAY...South winds 10 to 15 kt becoming southwest 15 to 20 kt.
Mostly sunny. Waves 1 to 2 ft.
.TONIGHT...Southwest winds 15 to 20 kt. Chance of showers and
thunderstorms overnight. Waves 1 to 2 ft.
.SUNDAY...Southwest winds around 15 kt becoming northwest in the
afternoon. Chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon. Waves
1 to 3 ft.
.SUNDAY NIGHT...North winds 10 to 15 kt. Slight chance of showers
and thunderstorms in the evening, then slight chance of showers
overnight. Waves 2 to 4 ft.

$$

Ratzer