433
FZUS53 KLOT 242042
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
242 PM CST Mon Nov 24 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>742-250445-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
242 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH THURSDAY
AFTERNOON...

.TONIGHT...South winds 10 to 15 kt becoming southeast. Slight
chance of rain in the evening, then rain likely after midnight.
Waves 1 to 2 ft.
.TUESDAY...South winds around 10 kt becoming southwest in the
afternoon. Areas of fog in the morning. Rain and a chance of
drizzle in the morning. Waves 1 to 2 ft.
.TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming west and
increasing to 35 kt gales overnight. Rain likely in the evening,
then chance of rain and snow overnight. Waves 1 to 3 ft building
to 3 to 5 ft.
.WEDNESDAY...West gales to 35 kt increasing to 40 kt. Chance of
snow and slight chance of rain in the morning, then chance of
flurries in the afternoon. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ743>745-250445-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
242 PM CST Mon Nov 24 2025

...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH THURSDAY
AFTERNOON...

.TONIGHT...South winds 10 to 15 kt becoming southeast late.
Chance of rain in the evening, then rain after midnight. Waves
1 to 2 ft.
.TUESDAY...South winds around 10 kt becoming southwest in the
afternoon. Areas of fog in the morning. Rain and a chance of
drizzle in the morning. Waves around 1 ft.
.TUESDAY NIGHT...Southwest winds 10 to 20 kt becoming west and
increasing to 35 kt gales overnight. Rain likely. Waves 1 to 3 ft
building to 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...West gales to 40 kt. Chance of snow and rain in the
morning, then chance of flurries in the afternoon. Waves 7 to 10
ft occasionally to 13 ft.

$$

Doom