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
853
FZUS53 KLOT 150238
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
938 PM CDT Tue Oct 14 2025

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>742-150930-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
938 PM CDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.REST OF TONIGHT...Northeast winds 15 to 25 kt. Isolated showers
late in the evening, then scattered showers after midnight. Waves
4 to 7 ft occasionally to 9 ft.
.WEDNESDAY...East winds 15 to 20 kt easing to 10 to 15 kt in the
afternoon. Scattered showers in the morning. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft.
.WEDNESDAY NIGHT...East winds 10 to 15 kt. Partly cloudy. Waves 1
to 3 ft.
.THURSDAY...Southeast winds 10 to 15 kt. Partly cloudy in the
morning then clearing. Waves 1 to 3 ft.

$$

LMZ743>745-150930-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
938 PM CDT Tue Oct 14 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY...

.REST OF TONIGHT...Northeast winds 10 to 20 kt. Scattered showers
after midnight. Waves 3 to 6 ft occasionally to 8 ft.
.WEDNESDAY...East winds 10 to 15 kt becoming northeast in the
afternoon. Scattered showers in the morning. Waves 3 to 5 ft
subsiding to 2 to 4 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 kt becoming east
overnight. Partly cloudy. Waves 1 to 3 ft.
.THURSDAY...Southeast winds around 10 kt. Mostly sunny. Waves
1 to 2 ft.

$$

Ogorek