000
FZNT02 KNHC 181615
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC MON DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON DEC 18.
24 HOUR FORECAST VALID 1200 UTC TUE DEC 19.
48 HOUR FORECAST VALID 1200 UTC WED DEC 20.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 30 TO 35 KT. 
SEAS 11 TO 15 FT. ELSEWHERE FROM 09.5N TO 17.5N BETWEEN 72W AND 
83W...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 TO 9 FT.
.06 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 17.5N 
BETWEEN 69W AND 81W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. 
REMAINDER OF AREA S OF 18N BETWEEN 76W AND 83W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. 
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 17N 
BETWEEN 72W AND 81W NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 
KT S OF 14N BETWEEN 73W AND 77W. SEAS 8 TO 12 FT. N OF 15N 
BETWEEN 70W AND 72W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. 
REMAINDER OF AREA S OF 18.5N BETWEEN 76W AND 83W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. 
.24 HOUR FORECAST LITTLE CHANGE. 
.30 HOUR FORECAST FROM 10.5N TO 17N BETWEEN 73W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT...EXCEPT 10 TO 12 FT FROM 10N 
TO 13N BETWEEN 77W AND 79W. ELSEWHERE S OF 17.5N BETWEEN 69W AND 
83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. 
.36 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 35 KT. SEAS 10 TO 12 FT. ELSEWHERE FROM 10N TO 17.5N 
BETWEEN 70W AND 80W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
REMAINDER OF AREA S OF 17.5N BETWEEN 76W AND 83W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 
.48 HOUR FORECAST FROM 11N TO 17N BETWEEN 70W AND 75W AND FROM 
11N TO 15.5N BETWEEN 75W AND 80W NE TO E WINDS 20 TO 25 KT 
...EXCEPT 25 TO 30 KT S OF 13N BETWEEN 75W AND 77W. SEAS   
8 TO 11 FT...EXCEPT 10 TO 13 FT S OF 13N BETWEEN 75W AND 77W.
REMAINDER OF AREA S OF 16N BETWEEN 77W AND 83W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N43W TO 25N52W TO 23N60W THEN 
DISSIPATING TO 21N72W. N OF A LINE FROM 31N38W TO 25N47W TO 
25N61W TO 31N63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL...HIGHEST N OF 29N BETWEEN 44W AND 55W. 
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N39W TO 
26N45W. N OF A LINE FROM 26N35W TO 20N46W TO 23N57W TO 31N54W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC S OF 21N E OF 45W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED NE AND NW SWELL. 
.12 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.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST S OF 20.5N BETWEEN 72W AND 74W...INCLUDING 
APPROACH TO WINDWARD PASSAGE...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.

.ATLC 30 HOUR FORECAST NEW COLD FRONT JUST N OF AREA. N OF 30N 
BETWEEN 58W AND 68W SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST COLD FRONT FROM 31N56W TO 29N62W. N OF 30N 
BETWEEN 51W AND 56W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
DECAYING NW SWELL. 

.CARIBBEAN N OF 18N BETWEEN 73.5W AND 77W...INCLUDING WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 18N BETWEEN 
77W AND 83W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 18N BETWEEN 73W AND 77W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 
18.5N BETWEEN 77W AND 82W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST N OF 18.5N BETWEEN 74W AND 77W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 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.