025
FZUS53 KLOT 212045
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
345 PM CDT Tue May 21 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>742-220315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
345 PM CDT Tue May 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH LATE
TONIGHT...

.LATE THIS AFTERNOON...South winds to 30 kt with a few gale force
gusts to 35 kt. Partly cloudy. Waves 1 to 3 ft.
.TONIGHT...South gales to 35 kt with a few gales over 40 kt
possible, becoming southwest 20 to 30 kt late. Showers and
thunderstorms in the evening, then chance of showers and
thunderstorms after midnight. Some thunderstorms may be severe
with damaging winds. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt becoming west 15 to
20 kt. Partly cloudy in the morning then clearing. Waves 1 to
3 ft.
.WEDNESDAY NIGHT...West winds 10 to 15 kt diminishing to 5 to
10 kt. Mostly clear. Waves around 1 ft.
.THURSDAY...Southwest winds 5 to 10 kt becoming southeast 10 to
15 kt in the afternoon. Sunny. Waves around 1 ft.

$$

LMZ743>745-220315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
345 PM CDT Tue May 21 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH LATE
TONIGHT...

.LATE THIS AFTERNOON...South winds to 30 kt with a few gale force
gusts to 35 kt. Partly cloudy. Waves 1 to 3 ft.
.TONIGHT...South gales to 35 kt with a few gales over 40 kt
possible, becoming southwest 20 to 30 kt late. Showers and
thunderstorms late evening and early overnight. Some
thunderstorms may produce damaging winds. Waves 3 to 5 ft
subsiding to 2 to 4 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt becoming west. Partly
cloudy in the morning then clearing. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...West winds 10 to 15 kt diminishing to 5 to
10 kt. Mostly clear. Waves around 1 ft.
.THURSDAY...South winds 5 to 10 kt becoming southeast in the
afternoon. Sunny. Waves 1 ft or less.

$$

Kluber