000
FZNT02 KNHC 211455
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU APR 21.
24 HOUR FORECAST VALID 1200 UTC FRI APR 22.
48 HOUR FORECAST VALID 1200 UTC SAT APR 23.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC LOW PRES 24N62W 1009 MB. WITHIN 180 NM NE QUADRANT WINDS 
25 TO 35 KT. SEAS 9 TO 14 FT.
.06 HOUR FORECAST WINDS LESS THAN GALE FORCE. 

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN WARNINGS FROM 22N TO 29N BETWEEN 55W 
AND 63W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. FROM 22N TO 
29N BETWEEN 63W AND 70W NE WINDS 20 KT. SEAS 9 TO 11 FT IN E 
SWELL. ELSEWHERE N OF 10N E OF 55W E TO SE WINDS 20 KT. SEAS 8 
TO 9 FT IN NE SWELL. SCATTERED SHOWERS AND TSTMS FROM 24N TO 29N 
BETWEEN 55W AND 65W.
.06 HOUR FORECAST LOW PRES 24N63W 1011 MB. FROM 22N TO 29N 
BETWEEN 50W AND 62W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
FROM 23N TO 28N BETWEEN 62W AND 70W NE WINDS 20 KT. SEAS 8 TO 11 
FT IN NE SWELL. ELSEWHERE S OF 29N E OF 45W WINDS LESS THAN 20 
KT SEAS 8 TO 10 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRES 26N63W 1009 MB. N OF 24N BETWEEN 50W 
AND 63W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. N OF 25N 
BETWEEN 63W AND 70W NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
ELSEWHERE S OF 25N E OF 55W E WINDS TO 20 KT. SEAS 8 TO 10 FT IN 
NE SWELL.
.48 HOUR FORECAST LOW PRES 24N64W 1011 MB. WITHIN 360 NM NW 
QUADRANT WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 
480 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
S OF 25N E OF 50W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN E TO NE 
SWELL.

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

.CARIBBEAN N OF 18N BETWEEN 73W AND 82W 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 27N W OF 90W SE WINDS 20 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.