000
FZNT02 KNHC 201456
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED APR 20.
24 HOUR FORECAST VALID 1200 UTC THU APR 21.
48 HOUR FORECAST VALID 1200 UTC FRI APR 22.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC LOW PRES 23N60W 1012 MB. WITHIN 300 NM N QUADRANT WINDS 25 
TO 35 KT. SEAS 10 TO 15 FT.
.24 HOUR FORECAST LOW NEAR 24N62W 1012 MB. WITHIN 150 NM N 
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 15 FT. 
.30 HOUR FORECAST LOW NEAR 25N64W 1011 MB. WINDS LESS THAN GALE 
FORCE.

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN WARNINGS WITHIN 480 NM NE SEMICIRCLE 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE N OF 16N E OF 
55W AND FROM 23N TO 29N BETWEEN 55W AND 70W NE WINDS 20 KT. SEAS 
8 TO 12 FT IN NE SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNING WITHIN 420 NM N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 
22N BETWEEN 45W AND 60W E TO SE WINDS 20 KT. SEAS 8 TO 10 FT IN 
NE SWELL. N TO 23N BETWEEN 60W AND 70W NE TO E WINDS 20 KT. SEAS 
8 TO 10 FT. REMAINDER AREA N OF 11N E OF 55W WINDS LESS THAN 20 
KT. SEAS TO 9 FT IN NE SWELL.
.30 HOUR FORECAST LOW PRES 25N64W 1011 MB. WITHIN 420 NM N 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN NE SWELL. 
ELSEWHERE N OF 23N BETWEEN 50W AND 60W E TO SE WINDS 20 KT. SEAS 
8 TO 10 FT IN NE SWELL. FROM 25N TO 28N BETWEEN 60W AND 66W NE 
WINDS 20 KT. SEAS 8 TO 10 FT IN NE SWELL. REMAINDER AREA N OF 
12N E OF 55W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NE SWELL.
.48 HOUR FORECAST LOW PRES 27N62W 1011 MB. WITHIN 180 NM NW 
QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 24N 
BETWEEN 60W AND 66W NE WINDS 20 KT. SEAS 8 TO 10 FT IN NE SWELL. 
N OF 25N BETWEEN 50W AND 55W SE WINDS 20 KT. SEAS 8 FT.
ELSEWHERE FROM 10N TO 25N E OF 50W WINDS LESS THAN 20 KT. SEAS 
TO 9 FT IN NE SWELL.

.CARIBBEAN S OF 19N W OF 85W E TO SE WINDS 20 KT. SEAS 8 FT.
.24 HOUR FORECAST S OF 20N W OF 85W E WINDS 20 KT. SEAS LESS 
THAN 8 FT.
.42 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CARIBBEAN N OF 18N BETWEEN 74W AND 77W NE WINDS 20 KT. SEAS 
LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO FROM 20N TO 25N BETWEEN 89W AND 94W SE WINDS 20 
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 20N TO 27N BETWEEN 90W AND 96W SE WINDS 
20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.