Nearshore Marine Forecast
Issued by NWS Chicago, IL

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
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 30 31

000
FZUS53 KLOT 172003
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
303 PM CDT Wed Apr 17 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>742-180330-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
303 PM CDT Wed Apr 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...West winds to 30 kt with occasional gales to 35 kt
diminishing to 10 to 15 kt. Mostly cloudy in the evening then
clearing. Waves 2 to 4 ft subsiding to around 1 ft.
.THURSDAY...Northwest winds 5 to 10 kt becoming northeast 10 to
15 kt in the afternoon. Chance of showers in the morning, then
showers likely in the afternoon. Waves 1 ft or less building to
1 to 2 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt becoming northwest
overnight. Showers in the evening. Waves 1 to 2 ft.
.FRIDAY...Northwest winds 10 to 20 kt becoming west 15 to 25 kt.
Sunny in the morning, then becoming partly cloudy. Waves 1 to
3 ft.

$$

LMZ743>745-180330-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
303 PM CDT Wed Apr 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...West winds to 30 kt with occasional gales to 35 kt
diminishing to 10 to 15 kt. Mostly cloudy in the evening then
clearing. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.THURSDAY...Northwest winds around 5 kt becoming northeast 10 to
15 kt in the afternoon. Chance of showers in the afternoon. Waves
1 to 2 ft.
.THURSDAY NIGHT...North winds 10 to 15 kt becoming northwest
overnight. Showers in the evening, then slight chance of showers
overnight. Waves 1 to 3 ft.
.FRIDAY...Northwest winds 15 to 20 kt becoming west. Mostly sunny
in the morning, then becoming partly cloudy. Waves 1 to 3 ft.

$$

Doom


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