000
FZNT02 KNHC 170320
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN DEC 17.
24 HOUR FORECAST VALID 0000 UTC MON DEC 18.
48 HOUR FORECAST VALID 0000 UTC TUE DEC 19.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 30 TO 35 KT. 
SEAS 12 TO 14 FT. ELSEWHERE FROM 09.5N TO 17.5N BETWEEN 70W AND 
82W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 
KT. SEAS 8 TO 12 FT. N OF 14N BETWEEN 64W AND 70W...INCLUDING 
THE CARIBBEAN PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT 
EXCEPT LESS THAN 8 FT CARIBBEAN PASSAGES.
.18 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E 
WINDS 25 TO 30 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 10N TO 17N 
BETWEEN 70W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT 
IN NE TO E SWELL. N OF 14.5N BETWEEN 64W 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 FROM 11N TO 13N BETWEEN 73W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE FROM 09.5N TO 17N 
BETWEEN 70W AND 83W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. N OF 14N BETWEEN 64W 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. 
.42 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 76W NE TO E 
WINDS 25 TO 30 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 09.5N TO 17N 
BETWEEN 70W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 13 FT 
IN NE TO E SWELL. N OF 14.5N BETWEEN 68W AND 70W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST FROM 11N TO 13N BETWEEN 73W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 09.5N TO 17N 
BETWEEN 69W AND 83W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N59W TO 27N80W. N OF 29N BETWEEN 55W AND 
70W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 25N65W. N OF A LINE 
FROM 31N42W TO 26N56W TO 26N52W TO 31N63W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL.  
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N40W TO 24N50W. N 
OF A LINE FROM 30N35W TO 21N45W TO 21N50W TO 31N60W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.ATLC FROM 16N TO 22N E OF 40W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. ELSEWHERE E OF A LINE FROM 31N50W TO 20N48W TO 12N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL. 
.24 HOUR FORECAST FROM 13N TO 23N E OF 45W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.36 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.
.36 HOUR FORECAST 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. S OF 23N BETWEEN 73W AND 80W NE TO E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST 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.

.CARIBBEAN N OF 19N BETWEEN 73W AND 77W...INCLUDING WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST N OF 18.5N BETWEEN 73W AND 76W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. 
WITHIN 30 NM OF A LINE FROM 19N76W TO 18N82W NE TO E WINDS 20 TO 
25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST N OF 18.5N BETWEEN 73W AND 76W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. WITHIN 
30 NM OF A LINE FROM 19N76W TO 18.5N80W TO 18N84.5W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 18.5N BETWEEN 73W AND 76W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. WITHIN 30 
NM OF A LINE FROM 19N76W TO 18N82W NE TO E WINDS 20 TO 25 KT. 
SEAS TO 8 FT.

.CARIBBEAN N OF 19.5N BETWEEN 78W AND 83W NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO WARM FRONT FROM 28N87W TO 1013 MB LOW PRES NEAR 
28N96W. FRONTAL TROUGH FROM LOW CENTER TO 18N94W. N OF 27N 
BETWEEN 90W AND 96W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.12 HOUR FORECAST LOW PRES INLAND. FRONTAL TROUGH FROM 30N92W TO 
25N97W. 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.