546 
FZNT02 KNHC 182221
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED DEC 18 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED DEC 18.
24 HOUR FORECAST VALID 1800 UTC THU DEC 19.
48 HOUR FORECAST VALID 1800 UTC FRI DEC 20.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.S OF 22N W OF 95W NW TO N 30 TO 40 KT. SEAS 13 TO 19 FT. S OF 
24N BETWEEN 85W AND 95W N WINDS 30 TO 35 KT. SEAS 10 TO 15 FT. 
ELSEWHERE SE OF LINE FROM 30N85W TO 27N92W TO 23N97W N WINDS 
20 TO 30 KT. SEAS 8 TO 12 FT...EXCEPT 10 TO 13 FT S OF 23N
BETWEEN 85W AND 87W INCLUDING YUCATAN CHANNEL. 
.12 HOUR FORECAST S OF 20N W OF 95W NW TO N WINDS 20 TO 25 KT.
SEAS 10 TO 14 FT. ELSEWHERE SE OF LINE FROM 30N86W TO 25N91W TO 
20N95W N TO NE WINDS 20 TO 25 KT...EXCEPT NE 25 TO 30 KT S OF 
23N BETWEEN 85W AND 87W. SEAS 8 TO 12 FT...EXCEPT 10 TO 13 FT S 
OF 23N BETWEEN 85W AND 87W.
.24 HOUR FORECAST S OF 28N E OF 85W NE WINDS NE 20 TO 25 KT... 
EXCEPT 25 TO 30 KT. SEAS 8 TO 11 FT...EXCEPT 9 TO 13 FT STRAITS 
OF FLORIDA. S OF 21N W OF 96W NW WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT. SE OF LINE FROM 27N85W TO 25N91W TO 21N96W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST S OF 28N E OF 88W...INCLUDING STRAITS OF 
FLORIDA...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT...EXCEPT 9 
TO 11 FT STRAITS OF FLORIDA.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N74W TO 26N78W TO 23N81W. N OF 29N E OF 
FRONT TO 62W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. W OF 
FRONT N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N62W TO 26N69W THEN 
STATIONARY TO 22N79W. N OF 29N E OF FRONT TO 46W SW WINDS 20 TO 
25 KT. SEAS 8 TO 11 FT. NW OF FRONT N TO NE WINDS 20 TO 25 KT.
SEAS 8 TO 12 FT...EXCEPT LESS THAN 8 FT N OF 29N W OF 80W.
.30 HOUR FORECAST COLD FRONT FROM 31N58W TO 28N64W THEN 
STATIOANRY TO 25N70W TO 22N79W. N OF 29N E OF FRONT TO 44SW 
WINDS 20 TO 25 KT. SEAS 8 TO 12 FT. NW OF FRONT TO LINE FROM 
31N66W TO 30N74W TO 30N81W N TO NE WINDS 20 TO 25 KT...EXCEPT NE 
25 TO 30 KT. SEAS 8 TO 12 FT...EXCEPT LESS THEN 8 FT N OF 29N W 
OF 80W AND 10 TO 13 FT STRAITS OF FLORIDA.
.48 HOUR FORECAST COLD FRONT FROM 31N47W TO 28N56W THEN 
STATIONARY TO 24N70W TO 22N78W. N OF 30N E OF FRONT TO 38W SW 
WINDS 20 TO 25 KT. SEAS 9 TO 13 FT IN MIXED SW AND NW SWELL. NW 
OF FRONT TO 30N NE TO E WINDS 20 TO 25 KT...EXCEPT NE 25 TO 30 
KT. SEAS 8 TO 12 FT...EXCEPT LESS THEN 8 FT N OF 29N W OF 80W 
AND 10 TO 13 FT STRAITS OF FLORIDA.

.ATLC WITHIN AREA BOUNDED BY 28N35W TO 26N43W TO 27N52W TO 
31N54W TO 31N35W TO 28N35W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT 
IN NW SWELL...HIGHEST NE. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC S OF 21N BETWEEN 48W AND 62W AND S OF 21N BETWEEN 62W AND 
70W E WINDS 20 TO 25 KT...EXCEPT E TO SE WINDS BETWEEN 62W AND 
70W. SEAS 8 TO 10 FT. ELSEWHERE S OF LINE FROM 25N35W TO 23N51W 
TO 24N62W TO 23N71W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE 
SWELL.
.24 HOUR FORECAST S OF 15N BETWEEN 46W AND 62W E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. ELSEWHERE S OF LINE FROM 24N35W TO 23N54W 
TO 21N62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED N AND NE 
SWELL.
.48 HOUR FORECAST S OF 14N BETWEEN 46W AND 62W E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. ELSEWHERE S OF LINE FROM 24N35W TO 20N50W 
TO 16N62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E 
SWELL...EXCEPT IN MIXED NE AND NW SWELL E OF 45W.

.CARIBBEAN FROM 11N TO 17N E OF 76W...INCLUDING GULF OF 
VENEZUELA...NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT GULF 
OF VENEZUELA. SEAS 8 TO 10 FT EXCEPT LESS THAN 8 FT GULF OF 
VENEZUELA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 11N TO 16N BETWEEN 68W AND 78W NE TO E
...INCLUDING GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS 
8 TO 10 FT.

.CARIBBEAN COLD FRONT FROM 22N82W TO 16N87W. W OF FRONT N WINDS 
25 TO 30 KT. SEAS 8 TO 10 FT...EXCEPT 10 TO 13 FT N OF 21N
BETWEEN 85W AND 87W...INCLUDING YUCATAN CHANNEL.
.24 HOUR FORECAST COLD FRONT FROM 22N78W TO 16N86W. W OF FRONT
N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST STATIONARY FRONT FROM 22N78W TO 16N85W. FROM 
16N TO 17N W OF FRONT W TO NW WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.