614
FZUS53 KLOT 042006
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
306 PM CDT Fri Jul 4 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>742-050315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
306 PM CDT Fri Jul 4 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SATURDAY EVENING...

.TONIGHT...South winds 10 to 15 kt becoming southwest 5 to 10 kt
late. Partly cloudy in the evening then clearing. Waves 1 to
2 ft.
.SATURDAY...Southwest winds 10 to 15 kt increasing to 20 to 25
kt in the afternoon. Mostly sunny in the morning, then becoming
partly cloudy. Waves 1 to 3 ft.
.SATURDAY NIGHT...Southwest winds 20 to 25 kt easing to 10 to 20
kt during the evening. Chance of showers and thunderstorms. Waves
1 to 3 ft.
.SUNDAY...West winds 15 to 20 kt becoming north in the afternoon.
Chance of showers and thunderstorms. Waves 1 to 3 ft.

$$

LMZ743>745-050315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
306 PM CDT Fri Jul 4 2025

.TONIGHT...South winds 5 to 10 kt increasing to 10 to 15 kt.
Partly cloudy in the evening then clearing. Waves around 1 ft.
.SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to
20 kt. Mostly sunny in the morning, then becoming partly cloudy.
Waves 1 to 2 ft.
.SATURDAY NIGHT...Southwest winds 15 to 20 kt. Slight 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. Waves 1 to 2 ft.

$$

KJB