000
FZNT02 KNHC 291724 AAA
HSFAT2

HIGH SEAS FORECAST...UPDATED
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC MON JAN 29 2018

UPDATED TO ADD SECOND ATLC GALE WARNING

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 29.
24 HOUR FORECAST VALID 1200 UTC TUE JAN 30.
48 HOUR FORECAST VALID 1200 UTC WED JAN 31.

.WARNINGS.

...ATLANTIC GALE WARNING... 
.LOW PRES NEAR 31N47W 1011 MB. OVER FORECAST WATERS N OF 28N 
BETWEEN 46W AND 53W NW TO N WINDS 20 TO 30 KT...EXCEPT 30 TO 35 
KT N OF 30N BETWEEN 47W AND 49W. SEAS 15 TO 20 FT IN N SWELL. 
REMAINDER OF THE AREA AS DESCRIBED BELOW.
.06 HOUR FORECAST LOW PRES NEAR 29.5N47W 1011 MB. WEAKENING COLD 
FRONT FROM 31N41W TO 26N40W TO 19N49W. W SEMICIRCLE OF LOW 
WITHIN 390 NM WINDS 20 TO 30 KT. SEAS 13 TO 19 FT IN N SWELL. N 
OF 29N BETWEEN 37W AND 41W SE WINDS 20 TO 25 KT. SEAS 11 TO 13 
FT. FROM 16N TO 20N BETWEEN 58W AND 73W...INCLUDING APPROACH TO 
WINDWARD PASSAGE...NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. 
ELSEWHERE W OF LINE FROM 31N35W TO 23N35W TO 10N57W EXCEPT W OF 
LINE FROM 31N65W TO 27N77W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT 
IN NW TO N SWELL E OF 50W AND IN N TO NE SWELL W OF 50W.
.24 HOUR FORECAST LOW PRES NEAR 25N49W 1012 MB WITH TROUGH TO 
22N46W TO 16N49W. N OF 22N AND E OF 43W SE WINDS 20 TO 25 KT. 
SEAS 9 TO 11 FT. N OF 28N BETWEEN 48W AND 53W E WINDS 20 TO 30 
KT. SEAS 10 TO 13 FT. ELSEWHERE EXCEPT S OF LINE FROM 14N35W TO 
07N58W AND W OF LINE FROM 31N64W TO 27N74W TO 23N79W. WINDS 20 
KT OR LESS. SEAS 8 TO 13 FT IN NW TO N SWELL E OF 45W AND IN N 
TO NE SWELL W OF 45W.
.48 HOUR FORECAST TROUGH FROM LOW PRES NEAR 23N49W 1012 MB TO 
20N47W TO 14N49W. E OF A LINE FROM 31N50W TO 21N42W SE WINDS 20 
TO 30 KT. SEAS 9 TO 14 FT. ELSEWHERE E OF LINE FROM 06N54W TO 
11N61W TO 20N65W TO 31N51W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN N TO NE SWELL.

...ATLANTIC GALE WARNING...
.ATLC COLD FRONT FROM 31N80W TO 29.5N81W. E OF FRONT TO 75W AND 
N OF 29.5N S TO SW WINDS 30 TO 35 KT. SEAS 10 TO 12 FT. 
ELSEWHERE E OF FRONT AND N OF LINE FROM 31N72W TO 27N80W S TO SW 
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST COLD FRONT FROM 31N75W TO 27N80W. E OF FRONT 
TO 67W AND N OF 29N S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
W OF FRONT TO 77W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N71W TO 23N79W. E OF FRONT 
TO A LINE FROM 31N64W TO 27N74W S TO SW WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT. W OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT N 
OF 27N AND E OF 77W.
.48 HOUR FORECAST COLD FRONT FROM 31N60W TO 26N65W TO 20N73W. W 
OF FRONT TO 70W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 14 
FT...HIGHEST NEAR 31N70W. W OF 70W N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 14 FT OUTSIDE BAHAMAS. 

...CARIBBEAN GALE WARNING...
.FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E WINDS 25 TO 30 KT. 
SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N E OF 80W...INCLUDING 
THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. FROM 09.5N TO 18N BETWEEN 80W AND 83W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN NE TO E SWELL.
.12 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 25 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 10N TO 18N E 
OF 79W...INCLUDING THE ATLANTIC PASSAGES...NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT. FROM 09.5N TO 18N BETWEEN 79W AND 83W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.24 HOUR FORECAST FROM 10N TO 14N BETWEEN 73W AND 79W NE TO E 
WINDS 20 TO 30 KT. SEAS 10 TO 13 FT. ELSEWHERE S OF 18N BETWEEN 
63W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E 
SWELL.
.36 HOUR FORECAST FROM 11N TO 12N BETWEEN 74W AND 76W NE TO E 
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 09.5N TO 
13.5N FROM 74W TO 78W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 11 
FT. REMAINDER OF AREA FROM 09.5N TO 15N BETWEEN 74W AND 82W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.48 HOUR FORECAST FROM 09.5N TO 13N FROM 74W TO 78W NE TO E 
WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 09.5N TO 15N 
BETWEEN 74W AND 83W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
TO E SWELL.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 28N83W TO 21N90W TO 18.5N92.5W. 
W OF LINE FROM 30N84W TO 18N94W N WINDS 20 TO 25 KT. SEAS TO 
10 FT. 
.12 HOUR FORECAST COLD FRONT FROM 25N81W TO 23N83W. S OF 21N W 
OF 95W NW TO N WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE W 
OF FRONT N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT S OF 27N W OF 87W.
.24 HOUR FORECAST ENTIRE GULF EXCEPT W OF LINE FROM 29N90W TO 
21N97W...INCLUDING THE STRAITS OF FLORIDA...N TO NE WINDS 20 TO 
25 KT...EXCEPT NW TO N WINDS 25 TO 30 KT S OF 20N W OF 95W. SEAS 
8 TO 11 FT...HIGHEST BAY OF CAMPECHE...AND BUILDING TO 10 FT IN 
THE STRAITS OF FLORIDA.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 1011 MB NEAR 31N47W. COLD FRONT FROM 31N40W TO 
28N39W TO 24N41W TO 19N48W TO 18N59W. N OF 27N E OF FRONT SE 
WINDS 20 TO 25 KT. SEAS 10 TO 13 FT. S OF LINE FROM 21N52W TO 
24N66W TO 20N75W AND N OF 16N NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 14 FT. ELSEWHERE W OF LINE FROM 31N35W TO 24N35W TO 11N56W 
EXCEPT W OF LINE FROM 31N72W TO 27N80W WINDS 20 KT OR LESS. SEAS 
8 TO 14 FT IN NW TO N SWELL E OF 50W AND IN NE TO E SWELL W OF 
50W.
.24 HOUR FORECAST CONDITIONS DESCRIBED ABOVE WITH LOW PRES.

.ATLC COLD FRONT FROM 31N80W TO 29.5N81W. E OF FRONT AND N OF 
LINE FROM 31N72W TO 27N80W S TO SW WINDS 20 TO 30 KT. SEAS 8 TO 
9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N71W TO 23N79W. E OF FRONT 
TO A LINE FROM 31N64W TO 27N74W S TO SW WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT. W OF FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT N 
OF 27N AND E OF 77W.
.48 HOUR FORECAST COLD FRONT FROM 31N60W TO 26N65W TO 20N73W. W 
OF FRONT TO 70W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 14 
FT...HIGHEST NEAR 31N70W. W OF 70W N TO NE WINDS 20 TO 25 KT. 
SEAS 8 TO 14 FT OUTSIDE BAHAMAS. 

.CARIBBEAN 18 HOUR FORECAST COLD FRONT APPROACH 22N87W. WINDS 20 
KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 22N80W TO 17N88W. W OF 
FRONT...INCLUDING THE YUCATAN CHANNEL...N WINDS 20 TO 25 KT. 
SEAS TO 8 FT IN YUCATAN CHANNEL.
.48 HOUR FORECAST COLD FRONT FROM 20N74W TO 17N81W TO 16N87W. W 
OF FRONT...INCLUDING THE YUCATAN CHANNEL...N TO NE WINDS 20 TO 
25 KT. SEAS TO 9 FT. 

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.