000
FZNT02 KNHC 210922
HSFAT2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N41W TO 25N44W TO 22N54W. N OF 29.5N BETWEEN 
49W AND 54W SW TO W WINDS 30 TO 35 KT. SEAS 12 TO 15 FT. 
ELSEWHERE N OF A LINE FROM 31N42W TO 27N50W TO 28N55W TO 31N60W 
SW TO W WINDS 20 TO 30 KT...EXCEPT W TO NW WINDS W OF 50W. SEAS 
9 TO 12 FT IN NW TO N SWELL. REMAINDER OF AREA N OF A LINE FROM 
31N41W TO 26N50W TO 26N55W TO 31N63W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT NW TO N SWELL.
.12 HOUR FORECAST COLD FRONT FROM 31N38W TO 24N45W TO 21N53W. N 
OF 29.5N BETWEEN 45W AND 52W SW TO W WINDS 30 TO 40 KT. SEAS 12 
TO 19 FT. ELSEWHERE N OF A LINE FROM 31N41W TO 26N45W TO 26N52W 
TO 31N59W SW TO W WINDS 20 TO 30 KT...EXCEPT W TO NW WINDS W OF 
50W. SEAS 9 TO 12 FT IN NW TO N SWELL. REMAINDER OF AREA N OF A 
LINE 31N39W TO 25N45W TO 24N53W TO 31N63W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N36W TO 23N43W TO 20N50W. N 
OF A LINE FROM 31N38W TO 26N45W TO 26N52W TO 31N58W SW TO W 
WINDS 20 TO 30 KT...EXCEPT W TO NW WINDS W OF 46W. SEAS 12 TO 16 
FT. ELSEWHERE N OF A LINE FROM 31N38W TO 23N47W TO 23N57W TO 
31N65W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL. 
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 24N35W TO 19N41W. N 
OF A LINE FROM 31N35W TO 26N40W TO 26N45W TO 31N46W SW TO W 
WINDS 20 TO 25 KT...EXCEPT W TO NW WINDS W OF 44W. SEAS 9 TO 11 
FT. ELSEWHERE E OF 60W TO A LINE FROM 25N35W TO 18N50W TO 18N60W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NW TO N SWELL.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST GULF OF MEXICO COLD FRONT FROM 30N90W TO 
27N97W. NW OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.