000
FZNT02 KNHC 181124
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON DEC 18.
24 HOUR FORECAST VALID 0600 UTC TUE DEC 19.
48 HOUR FORECAST VALID 0600 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 12 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.
.12 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 13 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. 
.18 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 10N TO 17N 
BETWEEN 72W AND 81W NE TO E WINDS 20 TO 30 KT. 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 18N BETWEEN 76W AND 83W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NE TO E SWELL. 
.24 HOUR FORECAST LITTLE CHANGE. 
.36 HOUR FORECAST FROM 10.5N TO 16N BETWEEN 73W AND 80W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE S OF 17.5N BETWEEN 
69W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E 
SWELL. 
.42 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 30 TO 35 KT. SEAS 11 TO 13 FT. ELSEWHERE FROM 10N TO 17.5N 
BETWEEN 70W AND 80W...INCLUDING THE GULF OF VENEZUELA...NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 12 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 LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N43W TO 25N55W TO 21N70W. N OF A LINE 
FROM 31N40W TO 25N51W TO 24N62W TO 31N64W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW SWELL...HIGHEST N OF 29N BETWEEN 46W AND 
56W. 
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 31N39W TO 
26N45W. N OF A LINE FROM 27N35W TO 20N50W TO 23N59W 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 FROM 13N TO 20N 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.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 36 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 29N64W. N OF 30N 
BETWEEN 52W AND 61W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL. 

.CARIBBEAN N OF 18N BETWEEN 73W AND 76W...INCLUDING WINDWARD 
PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 18N 
BETWEEN 76W AND 83W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST N OF 18N BETWEEN 73W AND 83W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS TO 8 FT. N OF 18N 
BETWEEN 78W AND 80W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST N OF 18.5N BETWEEN 73W AND 76W...INCLUDING 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.