822
FZUS53 KLOT 200842
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
342 AM 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.

LMZ740-741-201530-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
342 AM CDT Mon May 20 2024

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

Winds and waves will be higher in and near storms.

$$

LMZ742>745-201530-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
342 AM CDT Mon May 20 2024

.TODAY...South winds 5 to 10 kt increasing to 15 to 20 kt by late
morning. Scattered showers and thunderstorms in the afternoon.
Waves 1 to 2 ft.
.TONIGHT...Southwest winds 10 to 15 kt diminishing to 5 to 10 kt.
Chance of showers and thunderstorms, mainly in the evening. Waves
1 to 2 ft.
.TUESDAY...South winds 5 to 10 kt increasing to 15 to 25 kt.
Chance of showers and thunderstorms, mainly in the morning. Waves
1 ft or less building to 1 to 2 ft.
.TUESDAY NIGHT...South winds to 30 kt becoming southwest 20 to
25 kt. Showers and thunderstorms likely. Waves 2 to 4 ft.

Winds and waves will be higher in and near storms.

$$

- Izzi