000
FZNT02 KNHC 231825 AAA
HSFAT2

HIGH SEAS FORECAST...UPDATED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT DEC 23 2017

UPDATED TO ADD GALE WARNING FOR CARIBBEAN

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT DEC 23.
24 HOUR FORECAST VALID 1200 UTC SUN DEC 24.
48 HOUR FORECAST VALID 1200 UTC MON DEC 25.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 29.5N91W TO 24.5N98W. N OF FRONT
NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST COLD FRONT FROM 30N88W TO 19N95W. S OF 23N W 
OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS TO 8 FT. ELSEWHERE W OF 
FRONT N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT. 
.12 HOUR FORECAST COLD FRONT FROM 29.5N85W TO 22N95.5W THEN 
STATIONARY TO 19N95W. S OF 20N W OF FRONT NW TO N WINDS 30 TO 35 
KT. SEAS LESS THAN 8 FT. ELSEWHERE S OF 24N W OF FRONT N TO NE 
WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.18 HOUR FORECAST COLD FRONT FROM 30N84W TO 22N95.5W THEN 
STATIONARY TO 19N95W. S OF 20N W OF FRONT NW TO N WINDS 20 TO 30 
KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST COLD FRONT FROM 29N83W TO 22N95.5W THEN 
STATIONARY TO 19N95W. REINFORCING COLD FRONT APPROACHING FROM THE
NW. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.42 HOUR FORECAST STATIONARY FRONT FROM 25.5N81W TO 22N95W TO 
185N95W. NEW COLD FRONT FROM 30N85W TO 26.5N97W. N OF NEW FRONT 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST FIRST FRONT DISSIPATED. SECOND COLD FRONT FROM
26.5N82W TO 21N95W TO 18.5N96W. S OF 22N W OF FRONT NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN AREA BOUNDED BY 18N70W TO 16N80W TO 11N83W TO
09N78W TO 11N73W TO 18N70W...INCLUDING WITHIN 90 NM OF COAST OF
COLOMBIA... NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST FROM 10N TO 13N BETWEEN 72W AND 74W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS 30 TO 35 KT. SEAS 
10 TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 18N70W TO 16N80W TO
11N83W TO 09N78W TO 11N73W TO 18N70W NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 18N70W TO 16N80W TO 
11N83W TO 09N78W TO 11N73W TO 18N70W NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT. 
.36 HOUR FORECAST FROM 10N TO 13N BETWEEN 72W AND 74W...INCLUDING
WITHIN 90 NM OF COAST OF COLOMBIA...NE WINDS 30 TO 35 KT. SEAS 
10 TO 13 FT. ELSEWHERE WITHIN AREA BOUNDED BY 18N70W TO 16N80W TO
11N83W TO 09N78W TO 11N73W TO 18N70W NE TO E WINDS 20 TO 30 KT. 
SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N74W TO 14N76W TO 
13N79W TO 10N78W TO 10N76W TO 11N73W TO 13N74W...INCLUDING WITHIN
90 NM OF COAST OF COLOMBIA... NE TO E WINDS 20 TO 30 KT. SEAS 8
TO 12 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN AREA BOUNDED BY 28N35W TO 30N44W TO 09N38W TO
11N35W TO 28N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 29N35W TO 23N49W TO
07N44W TO 07N35W TO 29N35W WINDS 20 KT OR LESS. SEAS 8 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 26N35W TO 24N59W TO
06N51W TO 07N35W TO 26N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.