000
FZNT02 KNHC 200246
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED APR 20.
24 HOUR FORECAST VALID 0000 UTC THU APR 21.
48 HOUR FORECAST VALID 0000 UTC FRI APR 22.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 36 HOUR FORECAST LOW PRES 27N64W 1011 MB. WITHIN 120 NM N 
SEMICIRCLE OF CENTER WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. 
.48 HOUR FORECAST LOW NEAR 28N65W 1011 MB. WITHIN 120 NM N 
SEMICIRCLE OF CENTER 25 TO 35 KT. SEAS 10 TO 15 FT. 

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 22N58W 1013 MB WITH TROUGH NW TO 28N66W. FROM 
22N TO 28N BETWEEN 48W AND 64W E WINDS 25 TO 30 KT. SEAS 9 TO 12 
FT WITH E SWELL. ELSEWHERE N OF 19N BETWEEN 70W AND 45W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 11 FT IN E SWELL. N OF 15N E OF 45W 
NE WINDS 20 KT. SEAS 10 TO 15 PRIMARILY IN NE SWELL. ISOLATED 
TSTMS WITHIN 90 NM LINE 28N58W TO 23N55W.
.24 HOUR FORECAST LOW PRES 24N62W 1012 MB. WITHIN 120 NM N 
SEMICIRCLE OF CENTER WINDS 25 TO 30 KT. SEAS 9 TO 14 FT. 
ELSEWHERE N OF 22N BETWEEN 73W AND 48W NE TO E WINDS 20 TO 25 
KT. SEAS TO 11 FT IN E SWELL. ELSEWHERE N OF 13N E OF 55W NE TO 
E WINDS 20 KT. SEAS 8 TO 11 FT PRIMARILY IN NE SWELL.
.36 HOUR FORECAST EXCEPT AS NOTED IN WARNING...N OF 22N BETWEEN 
73W AND 47W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT IN E 
SWELL. ELSEWHERE N OF 10N E OF 55W NE TO E WINDS 20 KT. SEAS TO 
11 FT PRIMARILY IN NE SWELL.   
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...N OF 25N BETWEEN 
70W AND 50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13 FT IN E 
SWELL. ELSEWHERE N OF 20N BETWEEN 72W AND 45W WINDS 20 KT. SEAS 
TO 8 FT IN E SWELL. REMAINDER AREA S OF 25N E OF 55W NE TO E 
WINDS 20 KT. SEAS 8 TO 10 FT PRIMARILY IN NE SWELL.   

.CARIBBEAN N OF 18N BETWEEN 73W AND 76W INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 KT. SEAS LESS THAN 8 FT. FROM 10N TO 13N 
BETWEEN 72W AND 78W NE WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 18N BETWEEN 73W AND 76W INCLUDING THE 
WINDWARD PASSAGE...NE WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO N OF 23N W OF 88W SE TO S WINDS 20 KT. SEAS LESS 
THAN 8 FT. 
.24 HOUR FORECAST FROM 20N TO 28N W OF 87W E TO SE WINDS 20 KT. 
SEAS LESS THAN 8 FT. S OF 23N E OF 85W NE TO E WINDS 20 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.