FZUS53 KLOT 281439
NSHLOT

NEARSHORE MARINE FORECAST
National Weather Service Chicago/Romeoville IL
939 AM CDT Wed Jul 28 2021

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>742-282115-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
939 AM CDT Wed Jul 28 2021

.REST OF TODAY...West winds around 5 kts becoming southeast
around 10 kt late in the morning and afternoon. Slight chance of 
showers and thunderstorms in the afternoon. Waves 1 ft or less. 
.TONIGHT...South winds 10 to 15 kt becoming southwest 10 to 20 kt
by late evening, then becoming north 15 to 25 kt overnight. 
Chance of showers and thunderstorms in the evening, then showers 
and thunderstorms after midnight. Waves 1 to 3 ft building to 2 to
4 ft after midnight.
.THURSDAY...Northwest winds 15 to 20 kt becoming northeast 15 to 
25 kt in the afternoon. Slight chance of showers and thunderstorms.
Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft in the
afternoon. A small craft advisory will likely be needed. 
.THURSDAY NIGHT...North winds 15 to 20 kt. Mostly clear. Waves
4 to 6 ft occasionally to 8 ft. 

$$

LMZ743>745-282115-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
939 AM CDT Wed Jul 28 2021

.REST OF TODAY...Southwest winds around 5 kts becoming northeast 
winds around 10 kt late in the morning and afternoon. Slight 
chance of showers and thunderstorms in the afternoon. Waves 1 ft 
or less.
.TONIGHT...Southwest winds 10 to 15 kt becoming northwest 15 to 
25 kt after midnight. Chance of showers and thunderstorms in the 
evening, then showers and thunderstorms after midnight. Waves 1 
to 3 ft building to 2 to 4 ft after midnight. 
.THURSDAY...West winds 15 to 20 kt becoming north 20 to 25 kt in 
the afternoon. Showers and thunderstorms likely in the morning, 
then slight chance of showers and thunderstorms in the afternoon. 
Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft in the 
afternoon. A small craft advisory will likely be needed. 
.THURSDAY NIGHT...North winds 15 to 25 kt becoming northeast 10 to
20 kt overnight. Mostly clear. Waves 4 to 7 ft occasionally to 9 
ft.

$$

Carlaw