000
FZNT02 KNHC 171604
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI MAR 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI MAR 17.
24 HOUR FORECAST VALID 1200 UTC SAT MAR 18.
48 HOUR FORECAST VALID 1200 UTC SUN MAR 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 10N TO 12.5N BETWEEN 74W AND 77.5W NE TO E WINDS 20 TO 25 
KT. SEAS TO 9 FT. 
.12 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 75W NE TO E 
WINDS 25 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 10N TO 13N 
BETWEEN 71W AND 77W NE TO E WINDS 20 TO 25 KT...INCLUDING GULF 
OF VENEZUELA EXCEPT 25 TO 30 KT S OF 12.5N BETWEEN 74W AND 76W. 
SEAS 6 TO 8 FT.
.18 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 09.5N TO 
13.5N BETWEEN 72W AND 78W NE TO E WINDS 20 TO 25 KT...EXCEPT 
25 TO 30 KT S OF 12.5N BETWEEN 74W AND 77W. SEAS 8 TO 11 FT.
FROM 10N TO 13N BETWEEN 77W AND 79W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 10N TO 13.5N BETWEEN 74W AND 78W NE TO E 
WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT FROM 11N TO 12N BETWEEN 
75W AND 76.5W. SEAS 8 TO 11 FT...EXCEPT 10 TO 12 FT FROM 11N TO 
12N BETWEEN 75W AND 76.5W. FROM 09N TO 14N BETWEEN 78W AND 80W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.30 HOUR FORECAST FROM 10.5N TO 12.5N BETWEEN 74W AND 78W NE TO 
E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 09N TO 
14.5N BETWEEN 76W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
NE SWELL.
.36 HOUR FORECAST FROM 10N TO 13.5N BETWEEN 73W AND 77W NE TO E 
WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT FROM 11N TO 12N BETWEEN 
74W AND 75W. SEAS 8 TO 10 FT. FROM 09.5N TO 13.5N BETWEEN 77W 
AND 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST FROM 10N TO 12.5N BETWEEN 73W AND 77W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 09.5N TO 13N 
BETWEEN 77W AND 80W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N57W TO 25N62W THEN STATIONARY TO 
20N73W. N OF 30N WITHIN 180 NM E OF FRONT SW WINDS 20 TO 25 KT.
SEAS 9 TO 10 FT. WITHIN 240 NM W OF STATIONARY FRONT S OF 23N
...INCLUDING ATLC APPROACH TO WINDWARD PASSAGE...NE WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT BETWEEN FRONT AND BAHAMAS AND LESS THAN 8 
FT SW OF BAHAMAS. WITHIN 180 NM W OF STATIONARY FRONT FROM 23N 
TO 25N NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 
AREA BOUNDED BY 31N59W TO 31N50W TO 27N58W TO 25N64W TO 25N86W 
TO 28N67W TO 31N70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
TO N SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N52W TO 27N58W 
THEN STATIONARY TO 20N74W. WITHIN 240 NM W OF STATIONARY FRONT S 
OF 25N...INCLUDING ATLC APPROACH TO WINDWARD PASSAGE...NE WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
31N54W TO 31N48W TO 28N50W TO 25N58W TO 25N72W TO 28N63W TO 
31N60W TO 31N54W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N TO 
NE SWELL...EXCEPT IN NW TO N SWELL N OF 28N.
.48 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N50W TO 
28N62W TO 27N67W THEN WEAKENING FRONTAL TROUGH TO 24N72W TO 
20N75W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC FROM FROM 18N TO 22N E OF 52W NE TO E WINDS 20 TO 25 KT. 
SEAS 9 TO 12 FT...HIGHEST NEAR 19N45W. ELSEWHERE E OF LINE FROM 
31N41W TO 25N53W TO 20N60W TO 15N60W TO 10N60W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED NE AND NW SWELL. 
.12 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF LINE FROM 20N41W 
TO 18N50W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE 
N OF 14N E OF 42W...FROM 11N TO 26N BETWEEN 40W AND 47W...FROM 
08N TO 26N BETWEEN 47W AND 59W...AND FROM 12N TO 25N BETWEEN 59W 
AND 62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND 
NE SWELL.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 26N54W TO 18N35W TO 
07N44W TO 07N52W TO 11N58W TO 14N60W TO 20N68W TO 26N54W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST S OF 22N BETWEEN 44W AND 55W AND FROM 11N TO 
22N BETWEEN 55W AND 62W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
PRIMARILY IN NE SWELL.

.ATLC 36 HOUR FORECAST COLD FRONT JUST NW OF AREA. WINDS 20 KT 
OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST COLD FRONT FROM 31N77W TO 29N81W. N OF 30N E 
OF FRONT TO 75W SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT N OF 
30N. N OF 30N WITHIN 120 NM W OF FRONT NW WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N75W TO 28N80W. N OF 30N E 
OF FRONT TO 68W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
N OF 30N W OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

.CARIBBEAN WEAKENING STATIONARY FRONT FROM 20N73W TO 18N79W TO 
TO 15N83W. N OF 17N BETWEEN 74W AND 84W...INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT...EXCEPT TO 
9 FT FROM 17N TO 19N BETWEEN 80W AND 83W.
.24 HOUR FORECAST DISSIPATING TROUGH FROM 20N74W TO 15N83W. N OF 
17.5N BETWEEN 78.5W AND 84W NE WINDS 20 TO 25 KT. SEAS 8 FT.
WITHIN 30 NM EITHER SIDE OF LINE FROM 17.5N70.5W TO 17N72.5W
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST FROM 17N TO 18N BETWEEN 81W AND 84.5W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.36 HOUR FORECAST N OF 20N BETWEEN 78W AND 81W NE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST FROM 20N TO 22N BETWEEN 91W AND 
93W AND FROM 21N TO 22N BETWEEN 90W AND 91W NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST FROM 19N TO 22N BETWEEN 90.5W AND 93W NE WINDS 
20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 19N TO 21N BETWEEN 91W AND 93W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 09 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF 
LINE FROM 23N84W TO 22N85W NE WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.12 HOUR FORECAST FROM 21N TO 22.5N BETWEEN 84W AND 86W... 
INCLUDING THE YUCATAN CHANNEL...NE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST YUCATAN CHANNEL...NE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.42 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 AGUIRRE. NATIONAL HURRICANE CENTER.