000
FZNT02 KNHC 202223
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON JAN 20 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON JAN 20.
24 HOUR FORECAST VALID 1800 UTC TUE JAN 21.
48 HOUR FORECAST VALID 1800 UTC WED JAN 22.

.WARNINGS.

...ATLC GALE WARNING...
.ATLC 06 HOUR FORECAST N OF LINE FROM 31N74W TO 28N81W N WINDS 
20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N74W TO 24N80W. NW OF FRONT 
FRONT N WINDS 20 TO 30 KT. SEAS 9 TO 13 FT.
.30 HOUR FORECAST LOW PRES NEAR 28N76W 1010 MB WITH COLD FRONT
TO 22N78W AND OCCLUDED FRONT TO 27N74W THEN WARM FRONT TO 26N71W.
N OF 29N BETWEEN 77W AND 81W N TO NE WINDS 30 TO 35 KT. SEAS 10 
TO 17 FT. ELSEWHERE NW OF COLD FRONT N WINDS 20 TO 30 KT.
SEAS 9 TO 14 FT. WITHIN 120 NM N OF LOW AND WARM FRONT NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.42 HOUR FORECAST LOW PRES NEAR 29N74W WITH COLD FRONT TO 25N73W 
AND TO 21N76W AND AND OCCLUDED FRONT TO 29N78W THEN WARM FRONT 
TO 28N66W. N OF 28N W OF 71W NE WINDS 30 TO 35 KT. SEAS 10 TO 17 
FT. ELSEWHERE NW OF COLD FRONT NW TO N WINDS 20 TO 30 KT. SEAS 
10 TO 15 FT N OF BAHAMAS AND 8 TO 10 FT S OF 27N W OF 79W...
INCLUDING STRAITS OF FLORIDA.
.48 HOUR FORECAST LOW PRES NEAR 29N73W 1008 MB WITH OCCLUDED 
FRONT TO SECOND LOW PRES NEAR 29N69W 1007 MB. WARM FRONT FROM 
SECOND LOW PRES TO 28N66W. COLD FRONT TO EXTEND FROM FIRST LOW 
PRES TO 23N71W AND TO 20N75W. WITHIN 120 NM NW SEMICIRCLE OF 
FIRST LOW PRES WINDS 30 TO 40 KT. SEAS 10 TO 16 FT. ELSEWHERE N 
OF 27N W OF 73W NE WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. S OF 27N 
W OF COLD FRONT NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT W OF 79W. 
FROM 22N TO 29N E OF COLD FRONT AND S OF WARM FRONT S TO SW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 23N84W TO 21N88W. S OF 20N W OF 
95W NW TO N WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE FROM 
22N TO 25N BETWEEN 84W AND 87W...INCLUDING YUCATAN CHANNEL...S 
OF 28N BETWEEN 87W AND 94W AND S OF 22N W OF 94W N TO NE WINDS 
20 TO 25 KT...EXCEPT NW TO N 25 TO 30 KT S OF 22N W OF 94W. SEAS 
8 TO 10 FT W OF 85W...EXCEPT 9 TO 13 FT S OF 22N W OF 94W.
.12 HOUR FORECAST COLD FRONT TO MOVE SE OF AREA. S OF 28N 
BETWEEN 84W AND 89W...INCLUDING YUCATAN CHANNEL...N WINDS 20 TO 
25 KT...EXCEPT NW TO N 20 TO 25 KT S OF 20N W OF 96W. SEAS  
8 FT...EXCEPT 9 TO 10 FT S OF 20N W OF 96W.
.18 HOUR FORECAST S OF LINE FROM 23N87W TO 22N92W TO 20N96W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN DECAYING N SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC WEAKENING COLD FRONT FROM 23N35W TO 17N42W TO 15N50W THEN 
WEAKENING STATIONARY FRONT TO 18N59W TO 20N69W. SE OF LINE FROM 
31N52W TO 26N60W TO 22N72W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN N SWELL...EXCEPT 11 TO 16 FT IN NW TO N SWELL N OF 14N E OF
46W.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 20N35W TO 16N48W 
THEN DISSIPATING STATIOANRY FRONT TO 17N55W. E AND SE OF LINE 
FROM 31N61W TO 25N51W TO 18N64W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN NW TO N SWELL...EXCEPT 10 TO 12 FT N OF 28N 43W.
.48 HOUR FORECAST E AND SE OF LINE FROM 31N46W TO 22N46W TO 
17N49W TO 14N55W TO 07N59W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN SUBSIDING N SWELL.

.ATLC COLD FRONT FROM 31N69W TO 24N81W. N OF 30N E OF FRONT TO 
60W SW WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE N OF 29N 
BETWEEN 57W AND 72W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N64W TO 25N73W TO 
20N78W. N OF 30N BETWEEN 65W AND 72W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN DECAYING NW TO N SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN COLD FRONT FROM NW CUBA TO INLAND NE YUCATAN 
PENINSULA. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST COLD FRONT FROM 22N82W TO 19N87W. N OF FRONT 
...INCLUDING YUCATAN CHANNEL...N TO NE WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT.
.18 HOUR FORECAST COLD FRONT FROM 22N80W TO 18N88W. NW OF FRONT 
...INCLUDING THE YUCATAN CHANNEL...N WINDS 20 TO 25 KT. SEAS 8 
TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 20N78W TO 16N85W. NW OF FRONT 
...INCLUDING YUCATAN CHANNEL...N WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 20N73W TO 15N79W TO 11N84W.
FROM 11N TO 15N W OF FRONT TO COAST OF NICARAGUA N WINDS 20 TO 
25 KT. SEAS TO 8 FT.

.CARIBBEAN FROM 11N TO 14N BETWEEN 70W AND 77W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE S OF 15N BETWEEN 70W AND 
81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL. N OF 
12N BETWEEN 64W AND 66W AND BETWEEN 66W AND 70W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N SWELL...HIGHEST NEAR AND IN ATLC 
PASSAGES.
.18 HOUR FORECAST FROM 11N TO 14N BETWEEN 68W AND 73W AND FROM 
11N TO 13N BETWEEN 73W AND 77W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN NE SWELL.
.24 HOUR FORECAST FROM 12N TO 14N BETWEEN 68W AND 73W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SUBSIDING NE TO E SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS TO 8 FT IN SUBSIDING 
NE TO E SWELL.

.GULF OF MEXICO 18 HOUR FORECAST S OF 27N E OF 87W N WINDS 20 TO 
25 KT. SEAS 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST S OF 28N E OF 87W...INCLUDING YUCATAN 
CHANNEL...N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST S OF 25N E OF 85W...INCLUDING STRAITS OF 
FLORIDA...WINDS 20 KT OR LESS. SEAS TO 8 FT IN DECAYING N 
SWELL...EXCEPT 8 TO 10 FT STRAITS OF FLORIDA.

.GULF OF MEXICO 18 HOUR FORECAST FROM 24N TO 28N W OF 95W SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST FROM 25N TO 30N BETWEEN 91W AND 96W SE TO S 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.42 HOUR FORECAST TROUGH FROM 30N94W TO 26N97W. FROM 26N TO 30N 
BETWEEN 90W AND 94W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROUGH FROM 30N93W TO 25N97W. 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.