000
FZNT02 KNHC 200921
HSFAT2

HIGH SEAS FORECAST...RETRANSMISSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU APR 20 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 0600 UTC FRI APR 21.
48 HOUR FORECAST VALID 0600 UTC SAT APR 22.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC COLD FRONT FROM 31N47W TO 27N60W. W OF FRONT TO 55W NW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE N OF 25N W OF 47W 
TO A LINE FROM 31N60W TO 25N52W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN NW SWELL.  
.24 HOUR FORECAST COLD FRONT FROM 31N38W TO 22N50W. LOW PRES N 
OF AREA NEAR 34N50W 991 MB. N OF 30N BETWEEN 49W AND 54W SW TO W 
WINDS 30 TO 35 KT. SEAS 12 TO 16 FT. ELSEWHERE N OF 27N BETWEEN 
44W AND 60W W TO NW WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
REMAINDER OF AREA N OF A LINE FROM 31N42W TO 26N50W TO 27N60W TO 
31N62W WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL.
.30 HOUR FORECAST COLD FRONT FROM 31N36W TO 21N50W. LOW PRES N 
OF AREA NEAR 33N48W 993 MB. N OF 29.5N BETWEEN 46W AND 53W SW TO 
W WINDS 30 TO 40 KT. SEAS 16 TO 22 FT. ELSEWHERE N OF A LINE 
FROM 31N41W TO 26N50W TO 27N55W TO 31N61W W TO NW WINDS 20 TO 30 
KT. SEAS 10 TO 16 FT. REMAINDER OF AREA N OF A LINE FROM 31N40W 
TO 25N50W TO 26N58W TO 31N63W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.
.48 HOUR FORECAST LOW PRES N OF AREA NEAR 36N45W 993 MB. E OF 
45W AND N OF A LINE FROM 31N38W TO 26N45W SW TO W WINDS 20 TO 30 
KT. SEAS 12 TO 16 FT. W OF 45W AND N OF A LINE FROM 26N45W TO 
26N50W TO 27N57W TO 31N59W W TO NW WINDS 20 TO 25 KT. SEAS 12 TO 
14 FT IN NW TO N SWELL. ELSEWHERE N OF A LINE FROM 31N38W TO 
24N43W TO 22.5N50W TO 23N60W TO 31N65W WINDS 20 KT OR LESS. SEAS 
8 TO 12 FT IN NW TO N SWELL.  

.SYNOPSIS AND FORECAST.

.ATLC SUBTROPICAL DEPRESSION ONE N OF AREA NEAR 34.4N 39.3W AT 
20/0900 UTC MOVING N AT 12 KT. OVER FORECAST WATERS N OF 29N E 
OF 43W SW TO W WINDS 20 TO 25 KT. SEAS 9 TO 12 FT. ELSEWHERE N 
OF 23N E OF 43W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N 
SWELL. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC S OF 10N BETWEEN 47W AND 56W WINDS 20 KT OR LESS. SEAS 8 
FT IN N SWELL. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC S OF 23N BETWEEN 70W AND 77W...INCLUDING APPROACH TO 
WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN N OF 18.5N BETWEEN 73W AND 76W...INCLUDING THE 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
N OF 15N BETWEEN 70W AND 75W NE TO E WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.