175
FZUS53 KLOT 122007
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
307 PM CDT Sat Jul 12 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>742-130315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
307 PM CDT Sat Jul 12 2025

.TONIGHT...West winds 10 to 15 kt easing to 5 to 10 kt and becoming
northwest overnight. Slight chance of showers in the evening.
Waves around 1 ft.
.SUNDAY...Northwest winds 5 to 10 kt becoming east late. Partly
cloudy. Waves around 1 ft.
.SUNDAY NIGHT...South winds 5 to 10 kt becoming southwest
overnight. Partly cloudy in the evening then clearing. Waves 1 ft
or less.
.MONDAY...Southwest winds 5 to 10 kt becoming south. Sunny. Waves
around 1 ft.

$$

LMZ743>745-130315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
307 PM CDT Sat Jul 12 2025

.TONIGHT...West winds 5 to 10 kt becoming northwest late. Slight
chance of showers in the evening. Waves 1 to 2 ft.
.SUNDAY...Northwest winds 5 to 10 kt becoming northeast late.
Mostly sunny in the morning, then becoming partly cloudy. Waves
1 to 2 ft.
.SUNDAY NIGHT...Southeast winds around 5 kt becoming southwest
overnight. Partly cloudy in the evening then clearing. Waves 1 ft
or less.
.MONDAY...Southwest winds 5 to 10 kt becoming south. Sunny. Waves
1 ft or less.

$$

KJB