000
FZNT02 KNHC 202220
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN NOV 20 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE 
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.

SECURITE

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND 
GULF OF MEXICO

SYNOPSIS VALID 1800 UTC SUN NOV 20.
24 HOUR FORECAST VALID 1800 UTC MON NOV 21.
48 HOUR FORECAST VALID 1800 UTC TUE NOV 22.

.WARNINGS.
...ATLC GALE WARNING...
.24 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL CYCLONE...NEAR 
28N53W 1005 MB. WITHIN 240 NM NW SEMICIRCLE OF LOW N TO NE WINDS 
25 TO 35 KT. SEAS 10 TO 15 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL OR TROPICAL 
CYCLONE...NEAR 29N50W 1005 MB. WITHIN 270 NM SE SEMICIRCLE OF 
LOW S TO SW WINDS 25 TO 35 KT. SEAS 9 TO 14 FT. 

.SYNOPSIS AND FORECAST.

.ATLC S OF 27N W OF 70W NE TO E WINDS 20 TO LOCALLY 25 KT. SEAS 
8 TO 10 FT IN NE SWELL E OF BAHAMAS.
.24 HOUR FORECAST S OF 25N W OF 70W NE TO E WINDS 20 KT. SEAS 8 
TO 10 FT IN NE SWELL E OF BAHAMAS.
.48 HOUR FORECAST S OF 24N W OF 70W NE TO E WINDS 20 KT. SEAS TO 
8 FT IN NE SWELL E OF BAHAMAS.

.ATLC TROUGH FROM 31N50W TO COMPLEX LOW PRES WITH MEAN CENTER 
23N53W 1009 MB TO 17N63W. N OF 20N WITHIN 480 NM NW OF TROUGH TO 
70W NE WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN NE SWELL. FROM 18N 
TO 20N BETWEEN 60W AND 70W NE WINDS TO 20 KT. SEAS 8 TO 10 FT IN 
NE SWELL. FROM 15N TO 26N E OF 40W E WINDS 20 KT. SEAS TO 9 FT. 
N OF 22N BETWEEN 44W AND TROUGH E TO SE WINDS 20 TO 25 KT. SEAS 
8 TO 10 FT. FROM 19N TO 27N E OF 44W E TO SE WINDS 20 KT. SEAS 
TO 9 FT IN MIXED N AND E SWELL.
.24 HOUR FORECAST TROUGH FROM 31N50W TO LOW PRES...POSSIBLE 
SUBTROPICAL CYCLONE...NEAR 28N53W 1006 MB TO 18N60W. N OF 25N 
BETWEEN TROUGH AND 60W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 15 
FT. ELSEWHERE W OF TROUGH TO 70W NE WINDS 20 TO 25 KT. SEAS 8 TO 
13 FT IN NE SWELL. N OF 15N E OF 40W E WINDS 20 KT. SEAS TO 9 FT 
IN E SWELL. N OF 20N BETWEEN 40W AND TROUGH SE TO S WINDS 20 TO 
30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROUGH FROM 31N49W TO LOW PRES...POSSIBLE 
SUBTROPICAL OR TROPICAL CYCLONE...NEAR 29N50W 1005 MB TO 19N58W. 
EXCEPT AS NOTED IN WARNINGS...N OF 25N W OF TROUGH TO 62W N TO 
NE WINDS 20 TO 25 KT. SEAS 10 TO 13 FT IN NE SWELL. ELSEWHERE W 
OF TROUGH TO 70W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN NW 
SWELL. N OF 23N E OF 40W SE WINDS 20 KT. SEAS 8 FT. N OF 23N 
BETWEEN 40W AND TROUGH SE TO S WINDS 20 TO 30 KT. SEAS 8 TO 11 
FT. 

.CARIBBEAN N OF 18N NE TO E WINDS 20 TO LOCALLY 25 KT. SEAS TO 8 
FT. ELSEWHERE N OF 13N BETWEEN 68W AND 80W NE WINDS 20 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST N OF 10N BETWEEN 67W AND 84W NE TO E WINDS 20 
KT...EXCEPT 20 TO 25 KT WITHIN 240 NM SW OF WINDWARD AND MONA 
PASSAGES. SEAS LESS THAN 8 FT EXCEPT TO 8 FT IN ATLC PASSAGES.
.48 HOUR FORECAST N OF 10N BETWEEN 67W AND 84W NE TO E WINDS 20 
KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 25N E OF 87W E WINDS TO 20 KT. SEAS TO 8 FT 
IN STRAITS OF FLORIDA. N OF 25N W OF 95W SE TO S WINDS TO 20 KT. 
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST S OF 25N E OF 85W E TO SE WINDS 20 KT. SEAS 
LESS THAN 8 FT. N OF 25N W OF 95W SE TO S WINDS 20 KT. SEAS TO 8 
FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.