000
FZNT02 KNHC 162158
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC FRI DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT DEC 16.
24 HOUR FORECAST VALID 1800 UTC SUN DEC 17.
48 HOUR FORECAST VALID 1800 UTC MON DEC 18.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 13N BETWEEN 73W AND 77W NE TO E WINDS 25 TO 30 KT. 
SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 17N BETWEEN 70W AND 
81.5W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST 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 12N BETWEEN 64W 
AND 70W...AND N OF 15N E OF 64W...INCLUDING THE CARIBBEAN 
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT EXCEPT LESS 
THAN 8 FT CARIBBEAN PASSAGES.
.24 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 81W 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. FROM 09.5N TO 16.5N 
BETWEEN 81W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
TO E SWELL.
.36 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 12 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. 
.48 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 69W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT 
IN NE TO E SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N65W TO 28N81W. N OF 30N E OF FRONT TO 
62W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 30N BETWEEN 
55W AND 72W SW TO W WINDS 20 TO 25 KT...EXCEPT W TO NW WINDS W 
OF FRONT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST COLD FRONT FROM 31N48W TO 25N60W. N OF A LINE 
FROM 31N46W TO 27N58W TO 27N63W TO 31N63W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL.  
.48 HOUR FORECAST COLD FRONT FROM 31N41W TO 25N50W. N OF A LINE 
FROM 31N35W TO 23N46W TO 25N56W TO 31N62W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN NW SWELL.

.ATLC FROM 15N TO 22N E OF 40W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT. ELSEWHERE E OF A LINE FROM 31N52W TO 20N48W TO 12N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL. 
REMAINDER OF AREA FROM 20N TO 25N BETWEEN 50W AND 54W WINDS 20 
KT OR LESS. SEAS 8 FT PRIMARILY IN NW SWELL.
.24 HOUR FORECAST E OF A LINE FROM 31N38W TO 17N49W TO 12N43W TO 
12M35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW 
SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC 06 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.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 06 HOUR FORECAST 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 LESS THAN 8 FT. 
FROM 18.5N TO 19.5N BETWEEN 76 AND 80W NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. N OF 20N 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 N OF 18N BETWEEN 73W AND 82.5W...INCLUDING 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. 

.GULF OF MEXICO STATIONARY FRONT FROM 27N83W TO LOW PRES NEAR 
26N97W 1013 MB. FRONTAL TROUGH FROM LOW PRES TO 20N94W. N OF 24N 
E OF TROUGH AND W OF 91W E TO SE WINDS 20 TO 25 KT. SEAS TO 8 
FT. N OF 23N W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.12 HOUR FORECAST LOW PRES NEAR 29N95W 1016 MB WITH WARM FRONT 
TO 30N92W TO 27N91W. FRONTAL TROUGH FROM LOW TO 27N95W TO 24N96W 
TO 23N97W. N OF 26N BETWEEN 91W AND 94W SE TO S WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST FRONTAL TROUGH FROM 30N91W TO 27N94W TO 
24N96W. 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.