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FZUS53 KLOT 080343
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
943 PM CST Fri Nov 7 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>742-081045-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
943 PM CST Fri Nov 7 2025

.REST OF TONIGHT...Northwest winds 10 to 20 kt becoming north 10
to 15 kt late. Scattered showers ending this evening, then a
chance of more showers after midnight. Waves 2 to 4 ft building
to 3 to 5 ft.
.SATURDAY...Northeast winds 10 to 15 kt becoming east. Chance of
showers in the morning, then rain in the afternoon. Waves 3 to 5
ft.
.SATURDAY NIGHT...Northeast winds 15 to 25 kt becoming north to
30 kt overnight. Rain in the evening, then rain likely and a
chance of snow overnight. Waves 4 to 6 ft occasionally to 8 ft
building to 5 to 8 ft occasionally to 10 ft. A small craft
advisory will likely be needed.
.SUNDAY...Northwest winds to 30 kt. Chance of snow and rain in
the morning, then chance of snow showers in the afternoon. Waves
6 to 9 ft occasionally to 12 ft. A small craft advisory will
likely be needed.

$$

LMZ743>745-081045-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
943 PM CST Fri Nov 7 2025

.REST OF TONIGHT...Northwest winds 10 to 20 kt becoming northeast
late. Scattered showers ending this evening, then a chance of
more showers after midnight. Waves 1 to 3 ft building to 3 to 5
ft.
.SATURDAY...Northeast winds 10 to 15 kt becoming east. Slight
chance of rain in the morning, then rain in the afternoon. Waves
3 to 5 ft subsiding to 2 to 4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming north and
increasing to 30 kt overnight. Rain. Waves 2 to 4 ft building to
6 to 9 ft occasionally to 12 ft. A small craft advisory will
likely be needed.
.SUNDAY...Northwest gales to 35 kt. Rain likely and a chance of
snow in the morning, then showers likely and a chance of snow
showers in the afternoon. Waves 10 to 14 ft occasionally to
18 ft. A gale warning will likely be needed.

$$

- Izzi