000
FZNT02 KNHC 171546
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SAT DEC 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN DEC 17.
24 HOUR FORECAST VALID 1200 UTC MON DEC 18.
48 HOUR FORECAST VALID 1200 UTC TUE DEC 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E WINDS 30 TO 35 KT. 
SEAS 11 TO 13 FT. ELSEWHERE FROM 09.5N TO 17.5N BETWEEN 70W AND 
81W NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT S OF 14N 
BETWEEN 74W AND 76W. SEAS 8 TO 12 FT. REMAINDER AREA S OF 17N 
BETWEEN 76W AND 82.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
TO E SWELL. N OF 13N BETWEEN 63W AND 70W...INCLUDING CARIBBEAN 
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT EXCEPT LESS 
THAN 8 FT CARIBBEAN PASSAGES.
.06 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E 
WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 17N 
BETWEEN 70W AND 81W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
REMAINDER AREA S OF 17N BETWEEN 76W AND 83W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NE TO E SWELL. N OF 14.5N BETWEEN 65W AND 70W 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST FROM 11N TO 12.5N BETWEEN 73.5W AND 76W NE TO 
E WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 09.5N TO 
17N BETWEEN 70W AND 82W...INCLUDING THE GULF OF VENEZUELA...NE 
TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT S OF 13.5N BETWEEN 
73.5W AND 76W. SEAS 8 TO 13 FT...EXCEPT 10 TO 14 FT S OF 13.5N 
BETWEEN 73.5W AND 76W. REMAINDER AREA S OF 17N BETWEEN 76W AND 
83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. N OF 
14N BETWEEN 65W AND 70W...INCLUDING CARIBBEAN PASSAGES...NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT EXCEPT LESS THAN 8 FT CARIBBEAN
PASSAGES. 
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST FROM 10N TO 17.5N BETWEEN 69W AND 81W NE TO E 
WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT S OF 13N BETWEEN 74W AND 
76W. SEAS 8 TO 12 FT...EXCEPT 10 TO 14 FT S OF 13N BETWEEN 74W 
AND 76W. REMAINDER AREA S OF 18N BETWEEN 76W AND 83W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.36 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 10N TO 17.5N 
BETWEEN 69W AND 82W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 25 KT EXCEPT 25 TO 30 KT S OF 13N BETWEEN 74W AND 
76W. SEAS 8 TO 12 FT...EXCEPT 10 TO 13 FT S OF 13N BETWEEN 74W 
AND 76W. REMAINDER AREA S OF 18N BETWEEN 76W AND 83.5W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 
.48 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 25 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 17.5N 
BETWEEN 69W AND 81W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. REMAINDER AREA S OF 18N 
BETWEEN 76W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
TO E SWELL. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N52W TO 26N64W. N OF 27N E OF 63W TO A 
LINE FROM 31N46W TO 27N54W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
IN NW SWELL...HIGHEST N OF 29N. 
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N43W TO 25N50W. N 
OF A LINE FROM 31N38W TO 24N51W TO 25N60W TO 31N64W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW SWELL...HIGHEST N OF 29N.
.48 HOUR FORECAST DISSIPATING COLD FRONT FROM 31N40W TO 26N46W. 
N OF 22N E OF 54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.

.ATLC FROM 12N TO 27N E OF 48W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED NE AND NW SWELL. 
.24 HOUR FORECAST FROM 15N TO 18N BETWEEN 38W AND 42W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN DECAYING MIXED NE AND NW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC S OF 21N BETWEEN 72W AND 74W...INCLUDING APPROACH TO 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN N OF 18.5N BETWEEN 73W AND 81W...INCLUDING WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST N OF 18N BETWEEN 74W AND 78.5W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 9 FT. FROM 18N 
TO 21N BETWEEN 78.5W AND 81W NE TO E WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.48 HOUR FORECAST N OF 18.5N BETWEEN 74W AND 77W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.