National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS53 KLOT 130250
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
950 PM CDT Fri Apr 12 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>743-131000-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
950 PM CDT Fri Apr 12 2024

.REST OF TONIGHT...Northwest winds 15 to 20 kt diminishing to 10
to 15 kt and becoming west. Clear. Waves 2 to 4 ft subsiding to 1
to 3 ft.
.SATURDAY...West winds 10 to 20 kt becoming southeast in the
afternoon. Sunny. Waves 1 to 2 ft.
.SATURDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Partly cloudy. Waves 1 to 3 ft.
.SUNDAY...West winds 15 to 25 kt becoming north 15 to 20 kt in
the afternoon. Slight chance of showers. Waves 1 to 3 ft building
to 2 to 4 ft.

$$

LMZ744-745-131000-
Gary to Burns Harbor IN-Burns Harbor to Michigan City IN-
950 PM CDT Fri Apr 12 2024

.REST OF TONIGHT...West winds 15 to 20 kt becoming northwest by
midnight, then becoming west again and diminishing to 10 to 15
kt late. Clear. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.SATURDAY...West winds 10 to 20 kt becoming east and diminishing
to 5 to 10 kt in the afternoon. Sunny. Waves 2 to 4 ft subsiding
to 1 to 2 ft.
.SATURDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Mostly clear in the evening, then becoming partly cloudy. Waves
1 to 3 ft.
.SUNDAY...Southwest winds 15 to 25 kt becoming north and
diminishing to around 15 kt in the afternoon. Slight chance of
showers. Waves 1 to 3 ft.

$$

Ratzer