159
FZUS53 KLOT 212015
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
315 PM CDT Sat Sep 21 2024

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>742-220315-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
315 PM CDT Sat Sep 21 2024

.TONIGHT...Southeast winds 5 to 10 kt becoming south overnight.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight. Waves 1 to 2
ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming west in the
afternoon. Showers and a chance of thunderstorms. Waves around
1 ft building quickly to 3 to 5 ft by the evening.
.SUNDAY NIGHT...North winds 20 to 25 kt. Showers likely and
slight chance of thunderstorms in the evening, then slight chance
of showers overnight. Waves 4 to 7 ft occasionally to 9 ft
building to 5 to 8 ft occasionally to 10 ft. A small craft
advisory will likely be needed.
.MONDAY...North winds 15 to 25 kt. Slight chance of showers in
the morning. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 7 ft occasionally to 9 ft. A small craft advisory will
likely be needed.

$$

LMZ743>745-220315-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
315 PM CDT Sat Sep 21 2024

.TONIGHT...East winds 5 to 10 kt becoming south overnight. Slight
chance of showers in the evening, then chance of showers and
slight chance of thunderstorms after midnight. Waves around 1 ft.
.SUNDAY...Southwest winds 10 to 20 kt. Showers and slight chance
of thunderstorms in the morning, then showers and a chance of
thunderstorms in the afternoon. Waves 1 to 2 ft building to 2 to
4 ft late.
.SUNDAY NIGHT...Northwest winds 20 to 25 kt becoming north.
Showers likely and a chance of thunderstorms in the evening, then
slight chance of showers and thunderstorms overnight. Waves 2 to 4
ft building quickly to 5 to 8 ft occasionally to 10 ft. A small
craft advisory will likely be needed.
.MONDAY...North winds 15 to 25 kt. Slight chance of showers in
the morning. Waves 4 to 7 ft occasionally to 9 ft. A small craft
advisory will likely be needed.

$$

Yack