886
FZUS53 KLOT 202102
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
402 PM CDT Mon May 20 2024

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>742-210330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
402 PM CDT Mon May 20 2024

.TONIGHT...Southwest winds 15 to 25 kt becoming south and
diminishing to 5 to 10 kt. Chance of showers and thunderstorms.
Waves 1 to 3 ft subsiding to 1 ft or less.
.TUESDAY...Southeast winds 5 to 10 kt increasing to 15 to 25 kt.
Chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon. Waves
around 1 ft building to 2 to 4 ft.
.TUESDAY NIGHT...South winds to 30 kt becoming southwest
overnight. Showers and thunderstorms likely in the evening, then
chance of showers and thunderstorms overnight. Waves 2 to 4 ft.
.WEDNESDAY...Southwest winds 15 to 20 kt. Chance of showers in
the afternoon. Waves 1 to 3 ft.

$$

LMZ743>745-210330-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
402 PM CDT Mon May 20 2024

.TONIGHT...Southwest winds 15 to 25 kt becoming south and
diminishing to 5 to 10 kt. Chance of showers and thunderstorms.
Waves 1 to 3 ft subsiding to around 1 ft.
.TUESDAY...Southeast winds 5 to 10 kt becoming south and
increasing to 15 to 25 kt. Slight chance of showers and
thunderstorms. Waves around 1 ft building to 1 to 3 ft.
.TUESDAY NIGHT...South winds to 30 kt becoming southwest. Showers
and thunderstorms likely in the evening, then chance of showers
and thunderstorms overnight. Waves 2 to 4 ft.
.WEDNESDAY...Southwest winds 15 to 20 kt. Chance of showers and
slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft.


$$

KMD