087 
FZNT02 KNHC 210840
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN FEB 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN FEB 21.
24 HOUR FORECAST VALID 0600 UTC MON FEB 22.
48 HOUR FORECAST VALID 0600 UTC TUE FEB 23.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 11N74W TO 10N77W TO 12N79W TO 13N78W TO 13N75W
TO 11N74W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 11N74W TO 11N76W TO 12N76W TO 12N75W TO
11N74W NE TO E WINDS 25 TO 35 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN
10N76W TO 10N78W TO 12N77W TO 13N76W TO 12N74W TO 10N76W NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.33 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.42 HOUR FORECAST WITHIN 11N74W TO 10N76W TO 11N78W TO 13N76W TO
13N75W TO 11N74W NE WINDS 25 TO 40 KT. SEAS 9 TO 11 FT. ELSEWHERE
WITHIN 10N76W TO 11N80W TO 13N80W TO 17N75W TO 15N67W TO 10N76W 
NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N61W TO 22N79W. WITHIN 24N77W TO 23N81W 
TO 31N77W TO 31N63W TO 24N77W N TO NE WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 23N95W THEN 
STATIONARY TO 22N77W. W OF FRONT WITHIN 26N51W TO 26N61W TO 
31N61W TO 31N47W TO 26N51W NW TO N WINDS 20 TO 30 KT. SEAS 11 TO 
13 FT. ELSEWHERE W OF FRONT WITHIN 26N62W TO 21N69W TO 24N81W TO
29N79W TO 31N61W TO 26N62W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT. E OF FRONT WITHIN 28N35W TO 26N46W TO 27N50W TO 31N47W TO
31N35W TO 28N35W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 13
FT...HIGHEST NEAR 31N40W.
.48 HOUR FORECAST COLD FRONT FROM 28N35W TO 24N45W THEN
STATIONARY TO 22N65W. WITHIN 25N35W TO 24N41W TO 28N41W TO 
31N39W TO 31N35W TO 25N35W N WINDS 20 TO 25 KT. SEAS 11 TO 13 FT.
ELSEWHERE WITHIN 24N42W TO 20N59W TO 24N75W TO 31N62W TO 31N39W 
TO 24N42W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.

.ATLC WITHIN 17N35W TO 19N37W TO 25N40W TO 31N46W TO 31N35W TO
17N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 12N35W TO 10N38W TO 19N39W TO 26N44W TO
30N35W TO 12N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.
.48 HOUR FORECAST WITHIN 07N35W TO 07N47W TO 13N50W TO 20N35W TO
07N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.

.ATLC WITHIN 08N39W TO 07N38W TO 06N52W TO 13N60W TO 15N53W TO
08N39W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 07N41W TO 06N53W TO 08N54W TO 09N50W TO
10N42W TO 07N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 48 HOUR FORECAST WITHIN 28N73W TO 26N76W TO 28N80W TO
31N78W TO 31N71W TO 28N73W S TO SW WINDS 20 TO 30 KT. SEAS 8 FT.

.CARIBBEAN STATIONARY FRONT FROM 21.5N80W TO 16N87W. WITHIN 
17N84W TO 17N87W TO 20N87W TO 20N84W TO 17N84W NE WINDS 20 TO 25
KT. SEAS 8 FT IN E TO SE SWELL.
.18 HOUR FORECAST STATIONARY FRONT DISSIPATED. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST WITHIN 19N74W TO 18N77W TO 21N82W TO
22N80W TO 20N76W TO 19N74W...INCLUDING THE WINDWARD PASSAGE... E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 36 HOUR FORECAST WITHIN 20N95W TO 19N95W TO
19N96W TO 21N97W TO 21N96W TO 20N95W NW WINDS 20 TO 30 KT. SEAS 
LESS THAN 8 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.