297
FZUS53 KLOT 060845
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
345 AM CDT Sun Apr 6 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>742-061600-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
345 AM CDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...

.TODAY...North winds 15 to 25 kt prior to daybreak, becoming
northeast and diminishing to 10 to 15 kt in the morning, then
becoming southeast 10 to 15 kt in the afternoon. Partly cloudy.
Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TONIGHT...South winds 10 to 20 kt becoming southwest and
increasing to 20 to 25 kt late. Mostly clear. Waves 1 to 3 ft.
.MONDAY...North winds to 30 kt with occasional gales to 35 kt
possible in the morning. Scattered snow showers. Waves 4 to 7 ft
occasionally to 9 ft building to 6 to 9 ft occasionally to 12 ft.
.MONDAY NIGHT...North winds 15 to 25 kt diminishing to 10 to
20 kt. Mostly cloudy in the evening then clearing. Waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 7 ft occasionally to
9 ft.

$$

LMZ743>745-061600-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
345 AM CDT Sun Apr 6 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY MORNING...

.TODAY...North winds 15 to 25 kt prior to daybreak, becoming
northeast and diminishing to 5 to 10 kt in the afternoon. Mostly
cloudy. Waves 3 to 5 ft early subsiding to 1 to 2 ft.
.TONIGHT...Southeast winds 10 to 20 kt becoming southwest and
increasing to 20 to 25 kt late. Partly cloudy in the evening then
clearing. Waves 1 to 3 ft.
.MONDAY...Southwest winds 20 to 25 kt quickly becoming north and
increasing to 30 kt early in the morning. Occasional gales to 35
kt possible in the morning. Scattered snow showers. Waves 5 to 8
ft occasionally to 10 ft building to 8 to 11 ft occasionally to 14
ft.
.MONDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt.
Mostly cloudy. Waves 8 to 11 ft occasionally to 14 ft subsiding
to 6 to 9 ft occasionally to 12 ft.

$$

Carlaw