Nearshore Marine Forecast
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000
FZUS53 KLOT 211959
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
259 PM CDT Thu Mar 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.

LMZ740-220330-
Winthrop Harbor to Wilmette Harbor IL-
259 PM CDT Thu Mar 21 2024

.TONIGHT...East winds 10 to 15 kt. Snow likely after midnight.
Waves 1 to 3 ft building to 2 to 4 ft.
.FRIDAY...East winds 10 to 20 kt. Snow likely in the morning,
then rain and snow in the afternoon. Waves 3 to 5 ft.
.FRIDAY NIGHT...North winds 10 to 20 kt. Chance of snow in the
evening. Waves 2 to 4 ft building to 3 to 5 ft.
.SATURDAY...North winds 15 to 20 kt becoming northeast. Mostly
cloudy in the morning, then becoming partly cloudy. Waves 4 to
6 ft occasionally to 8 ft. A small craft advisory will likely be
needed.

$$

LMZ741-742-220330-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
259 PM CDT Thu Mar 21 2024

.TONIGHT...East winds 10 to 15 kt early. Chance of snow after
midnight. Waves 1 to 3 ft building to 2 to 4 ft.
.FRIDAY...East winds 15 to 20 kt becoming northeast 10 to 15 kt
in the afternoon. Chance of snow and rain in the morning, then
rain and snow in the afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...North winds 15 to 20 kt. Snow and rain likely in
the evening. Waves 3 to 6 ft. A small craft advisory will likely
be needed.
.SATURDAY...North winds 20 to 25 kt diminishing to 15 to 20 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves
4 to 6 ft occasionally to 8 ft.

$$

LMZ743>745-220330-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
259 PM CDT Thu Mar 21 2024

.TONIGHT...Northeast winds 10 to 15 kt becoming east 15 to 20 kt
late. Chance of snow after midnight. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 20 kt becoming northeast in the
afternoon. Slight chance of rain and snow in the morning, then
rain and snow in the afternoon. Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 15 to 20 kt. Snow and rain in the
evening, then slight chance of snow overnight. Waves 3 to 6 ft. A
small craft advisory will likely be needed.
.SATURDAY...North winds 20 to 25 kt diminishing to 15 to 20 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves
4 to 6 ft occasionally to 8 ft.

$$

Doom


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.