598
FZUS53 KLOT 071508
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
908 AM 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>742-072215-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
908 AM CST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.REST OF TODAY...Southwest winds 20 to 25 kt becoming west 15 to
20 kt in the late afternoon. Slight chance of rain in the
afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TONIGHT...Northwest winds 10 to 15 kt becoming north late.
Slight chance of rain. Waves 1 to 2 ft building to 2 to 4 ft.
.SATURDAY...Northeast winds 10 to 15 kt. Chance of rain in the
morning, then rain in the afternoon. Waves 2 to 4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming north
20 to 25 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 6 to 9 ft occasionally to 12 ft.

$$

LMZ743>745-072215-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
908 AM CST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.REST OF TODAY...Southwest winds 20 to 25 kt becoming west 15 to
20 kt late. Slight chance of rain in the morning. Waves 2 to 4 ft.
.TONIGHT...West winds around 15 kt becoming north late. Slight
chance of rain. Waves 2 to 4 ft.
.SATURDAY...Northeast winds around 10 kt. Slight chance of rain
in the morning, then rain likely in the afternoon. Waves 2 to
4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming north
20 to 25 kt overnight. Rain. Waves 3 to 5 ft building to 7 to
10 ft occasionally to 13 ft.

$$
KJB