Sunday, April 25, 2021

Nearshore Marine Forecast for McHenry Co., IL

<pre>617
FZUS53 KLOT 250909 CCA
NSHLOT

NEARSHORE MARINE FORECAST...CORRECTED
National Weather Service Chicago/Romeoville IL
409 AM CDT Sun Apr 25 2021

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>742-251530-
Winthrop Harbor to Wilmette Harbor-
Wilmette Harbor to Northerly Island-
Northerly Island to Calumet Harbor-
409 AM CDT Sun Apr 25 2021

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

.TODAY...North winds 15 to 25 kt becoming northeast 10 to 20 kt in
the early afternoon and then diminishing to 10 to 15 kt late.
Partly sunny. A chance of sprinkles in the late afternoon. Waves 4
to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft in the mid
afternoon.
.TONIGHT...East winds 10 to 15 kt. A chance of sprinkles. Waves 3
to 5 ft subsiding to 1 to 3 ft after midnight.
.MONDAY...Southeast winds 15 to 25 kt increasing to 30 kt in the
afternoon. Partly sunny. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.MONDAY NIGHT...South winds to 25 to 30 kt. Partly cloudy. Waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft after
midnight.

$$

LMZ743>745-251530-
Calumet Harbor to Gary-Gary to Burns Harbor-
Burns Harbor to Michigan City-
409 AM CDT Sun Apr 25 2021

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

.TODAY...North winds 20 to 25 kt diminishing to 10 to 20 kt in
the early afternoon and becoming northeast 10 to 15 kt late.
Partly sunny. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3
to 6 ft occasionally to 8 ft in the afternoon.
.TONIGHT...Northeast winds 10 to 15 kt becoming east after
midnight. A chance of sprinkles in the evening. Waves 3 to 5 ft
subsiding to 1 to 3 ft after midnight.
.MONDAY...Southeast winds 15 to 20 kt becoming south to 30 kt in
the afternoon. Mostly sunny. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon.
.MONDAY NIGHT...South winds to 25 to 30 kt. Mostly clear. Waves 2
to 4 ft.

$$

RC</pre>


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