000
FZNT02 KNHC 210959
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU APR 21.
24 HOUR FORECAST VALID 0600 UTC FRI APR 22.
48 HOUR FORECAST VALID 0600 UTC SAT APR 23.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC LOW PRES 23N62W 1010 MB. WITHIN 150 NM NE QUADRANT WINDS 
25 TO 35 KT. SEAS 10 TO 15 FT.
.12 HOUR FORECAST WINDS LESS THAN GALE FORCE. 

.SYNOPSIS AND FORECAST.

.ATLC EXCEPT AS NOTED IN WARNINGS FROM 22N TO 29N BETWEEN 50W 
AND 60W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. FROM 23N TO 
29N BETWEEN 60W AND 72W NE WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN 
E SWELL. ELSEWHERE N OF 10N E OF 55W NE TO E WINDS 20 KT. SEAS 8 
TO 11FT PRIMARILY IN NE SWELL. SCATTERED SHOWERS AND TSTMS FROM 
23N TO 28N BETWEEN 55W AND 64W.
.12 HOUR FORECAST LOW PRES 24N63W 1011 MB. FROM 22N TO 29N 
BETWEEN BETWEEN 50W AND 62W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT. FROM 23N TO 27N BETWEEN 62W AND 70W NE WINDS 20 TO 25 KT. 
SEAS 8 TO 12 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 68W NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NE 
SWELL.
.48 HOUR FORECAST LOW PRES 25N63W 1009 MB. WITHIN 300 NM NW 
QUADRANT OF LOW WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE 
WITHIN 450 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
S OF 29N BETWEEN 70 AND 75W NE WINDS 20 KT. SEAS 8 FT. REMAINDER 
OF AREA N OF 22N BETWEEN 53W AND 75W WINDS LESS THAN 20 KT. SEAS 
8 FT PRIMARILY IN E TO NE SWELL.

.CARIBBEAN S OF 19N W OF 85W E TO SE WINDS 20 KT. SEAS LESS THAN 
8 FT. FROM 10N TO 13N BETWEEN 74W AND 77W N TO NE 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 28N W OF 89W SE WINDS 20 KT. SEAS TO 
8 FT. S OF 25N E OF 89W E WINDS 20 KT. SEAS LESS THAN 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 GR. NATIONAL HURRICANE CENTER.