438 
FZNT02 KNHC 181531
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU NOV 18 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU NOV 18.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 19.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 20.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 06 HOUR FORECAST COLD FRONT FROM 30N92W TO
26N97W. WITHIN 27N95W TO 26N96W TO 26N97W TO 28N97W TO 28N95W TO
27N95W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COLD FRONT FROM 30N85W TO 25N95W TO 18N95.5W. WITHIN
19N96W TO 21N97W TO 26N97W TO 30N89W TO 28N88W TO 19N96W N TO NE
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.30 HOUR FORECAST LITTLE CHANGE EXCEPT WITHIN 20N96W TO 20N95W 
TO 18.5N95W TO 20N96W NW TO N WINDS 30 TO 35 KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST STATIONARY FRONT FROM 27N82W TO 25N95W TO
18.5N95W. WITHIN 19N94W TO 19N96W TO 20N97W TO 20N95W TO 
19N94W...INCLUDING WITHIN 60 NM OF VERACRUZ... NW TO N WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 28N35W TO 28N37W TO 29N37W TO 30N36W TO 30N35W TO
28N35W WINDS 20 KT OR LESS. SEAS 8 FT IN N SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC COLD FRONT FROM 31N45W TO 23N60W TO24N70W THEN SHEAR LINE
TO 23N75W. WITHIN 26N54W TO 23N71W TO 27N75W TO 31N62W TO 31N46W
TO 26N54W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N37W TO 25N50W THEN
STATIONARY FRONT TO 24N57W. WITHIN 27N41W TO 21N60W TO 22N68W TO
30N59W TO 31N37W TO 27N41W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT.
.48 HOUR FORECAST COLD FRONT FROM 25N35W TO 23N45W. WITHIN 
27N35W TO 22N52W TO 27N53W TO 31N47W TO 31N35W TO 27N35W NE WINDS
20 TO 25 KT. SEAS 8 TO 10 FT.

.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N75W TO 29N80W. WITHIN 
30N79W TO 30N81W TO 31N81W TO 31N75W TO 30N79W NE WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT IN E TO SE SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 31N69W TO 28N80W. WITHIN 
28N78W TO 28N80W TO 31N81W TO 31N70W TO 28N78W NE WINDS 20 TO 30 
KT. SEAS 8 TO 10 FT.

.CARIBBEAN WITHIN 11N74W TO 10N77W TO 14N79W TO 17N75W TO 17N70W
TO 11N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.