Nearshore Marine Forecast
Issued by NWS Chicago, IL

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FZUS53 KLOT 230803
NSHLOT

Nearshore Marine Forecast
National Weather Service Chicago/Romeoville IL
303 AM CDT Tue Apr 23 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>742-231600-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
303 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.TODAY...Southwest winds to 30 kt. Chance of rain in the morning,
then showers likely and slight chance of thunderstorms in the
afternoon. Waves 2 to 4 ft.
.TONIGHT...West winds 15 to 25 kt becoming north and increasing
to 30 kt late in the evening. A few gales to 35 kt. Rain showers
likely and slight chance of thunderstorms in the evening. Waves 3
to 5 ft building to 7 to 10 ft occasionally to 13 ft.
.WEDNESDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Mostly cloudy in the morning then clearing. Waves 6 to 9 ft
occasionally to 12 ft subsiding to 5 to 8 ft occasionally to
10 ft.
.WEDNESDAY NIGHT...North winds 10 to 15 kt becoming northeast
5 to 10 kt overnight. Mostly clear in the evening, then becoming
mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft.

$$

LMZ743>745-231600-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
303 AM CDT Tue Apr 23 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING...

.TODAY...Southwest winds to 30 kt diminishing to 20 to 25 kt.
Rain likely in the morning, then rain and slight chance of
thunderstorms in the afternoon. Waves 2 to 4 ft subsiding to 1 to
3 ft.
.TONIGHT...West winds 15 to 25 kt becoming north and increasing to
30 kt around midnight. A few gales to 35 kt possible. Rain
showers likely and slight chance of thunderstorms in the evening.
Waves 2 to 4 ft building to 7 to 10 ft occasionally to 13 ft.
.WEDNESDAY...North winds to 30 kt diminishing to 15 to 25 kt.
Mostly cloudy in the morning, then becoming partly cloudy. Waves
7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft
occasionally to 10 ft.
.WEDNESDAY NIGHT...North winds 10 to 15 kt becoming northeast
5 to 10 kt overnight. Mostly clear in the evening, then becoming
mostly cloudy. Waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft.

$$

Carlaw


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