205
FZUS53 KLOT 272019
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
219 PM CST Thu Nov 27 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>742-280500-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
219 PM CST Thu Nov 27 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING...

.TONIGHT...Northwest winds to 30 kt diminishing to 20 to 25 kt. A
chance of flurries in the evening. Waves 3 to 6 ft occasionally to
8 ft.
.FRIDAY...Northwest winds 20 to 25 kt diminishing to 10 to 15 kt
in the afternoon. Partly cloudy. Waves 3 to 5 ft subsiding to 2
to 4 ft.
.FRIDAY NIGHT...West winds around 10 kt becoming southwest
overnight. Chance of snow overnight. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 20 kt becoming southeast 20 to
25 kt. Snow. Waves 2 to 4 ft building to 4 to 7 ft occasionally
to 9 ft.

$$

LMZ743>745-280500-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
219 PM CST Thu Nov 27 2025

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

.TONIGHT...Northwest winds to 30 kt. A few gales to 35 kt through
the evening. Snow showers likely in the evening, then chance of
snow showers after midnight. Waves 7 to 10 ft occasionally to 13
ft.
.FRIDAY...Northwest winds to 30 kt becoming west and diminishing
to 10 to 20 kt. A chance of flurries in the morning. Waves 5 to 8
ft occasionally to 10 ft subsiding to 3 to 5 ft late in the
afternoon.
.FRIDAY NIGHT...West winds 10 to 15 kt becoming south overnight.
Chance of snow overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.SATURDAY...Southeast winds 10 to 20 kt increasing to 20 to
25 kt. Snow. Waves 1 to 3 ft building to 2 to 4 ft.

$$

Carlaw