857
FZUS53 KLOT 282037
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
237 PM CST Fri Nov 28 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>742-290500-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
237 PM CST Fri Nov 28 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
SUNDAY EVENING...

.TONIGHT...West winds 10 to 15 kt becoming south late. Chance of
snow after midnight. Waves 1 to 3 ft.
.SATURDAY...South winds 15 to 25 kt becoming southeast to 30 kt.
Snow. Waves 3 to 5 ft building to 6 to 9 ft occasionally to
12 ft.
.SATURDAY NIGHT...Southeast winds to 30 kt becoming west overnight.
A few 35 kt gales possible. Snow and slight chance of rain. Waves
6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.SUNDAY...Northwest winds to 30 kt. Snow likely in the morning,
then chance of snow showers in the afternoon. Waves 4 to 7 ft
occasionally to 9 ft.

$$

LMZ743-744-290500-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
237 PM CST Fri Nov 28 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...

.TONIGHT...West winds 10 to 15 kt becoming south late. Chance of
snow after midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SATURDAY...Southeast winds 15 to 25 kt increasing to 30 kt.
Snow. Waves 2 to 4 ft building to 3 to 5 ft.
.SATURDAY NIGHT...Southeast winds to 30 kt becoming southwest
overnight. A few 35 kt gales possible. Snow and slight chance of
rain in the evening, then snow and a chance of rain overnight.
Waves 3 to 5 ft.
.SUNDAY...Northwest winds to 30 kt. A few gales to 35 kt possible.
Snow likely and slight chance of rain in the morning, then
chance of snow showers in the afternoon. Waves 5 to 8 ft
occasionally to 10 ft.

$$

LMZ745-290500-
Burns Harbor to Michigan City IN-
237 PM CST Fri Nov 28 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM SATURDAY MORNING THROUGH
MONDAY MORNING...

.TONIGHT...West winds 10 to 15 kt becoming south late. Chance of
snow after midnight. Waves 3 to 6 ft occasionally to 8 ft
subsiding to 1 to 2 ft overnight.
.SATURDAY...Southeast winds 15 to 25 kt increasing to 30 kt.
Snow. Waves 1 to 3 ft building to 3 to 5 ft.
.SATURDAY NIGHT...Southeast winds to 30 kt becoming southwest
overnight. A few 35 kt gales possible. Snow and slight chance of
rain in the evening, then rain and snow overnight. Waves 3 to 5 ft
building to 4 to 6 ft occasionally to 8 ft.
.SUNDAY...Northwest winds to 30 kt. A few 35 kt gales possible.
Snow and slight chance of rain in the morning, then snow showers
likely in the afternoon. Waves 7 to 10 ft occasionally to 13 ft
building to 8 to 11 ft occasionally to 14 ft.

$$