000
FZNT02 KNHC 212122
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED APR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED APR 21.
24 HOUR FORECAST VALID 1800 UTC THU APR 22.
48 HOUR FORECAST VALID 1800 UTC FRI APR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N73W TO 27N80W. WITHIN 29N70W TO 29N75W 
TO 30N72W TO 31N71W TO 31N67W TO 29N70W SW WINDS 20 TO 25 KT. 
SEAS TO 8 FT. WINDS AND SEAS HIGHER IN AND NEAR SCATTERED 
SHOWERS AND TSTMS WITHIN 180 NM SE OF FRONT.
.24 HOUR FORECAST COLD FRONT FROM 31N69W TO 27N75W TO 24N80W.
WITHIN 31N63W TO 30N64W TO 29N64W TO 30N65W TO 31N65W TO 31N63W
SW TO W WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 HOUR FORECAST WEAKENING COLD FRONT FROM 31N66W TO 27N72W 
THEN STATIONARY TO 23N79W. WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N76W TO 29N81W. WITHIN 
31N76W TO 29N79W TO 30N81W TO 31N81W TO 31N78W TO 31N76W NW 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST COLD FRONT FROM 31N72W TO 28N81W. WITHIN 
30N78W TO 30N79W TO 30N81W TO 31N81W TO 31N77W TO 30N78W NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N71W TO 27N80W.
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST WEAKENING COLD FRONT TO MERGE WITH ABOVE 
DESCRIBED WEAKENING FRONT.

.ATLC WITHIN 30N41W TO 30N50W TO 31N52W TO 31N45W TO 31N37W TO 
30N45W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. 
.24 HOUR FORECAST WITHIN 31N35W TO 28N35W TO 28N43W TO 31N50W TO 
31N40W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
SWELL...HIGHEST NE. 
.48 HOUR FORECAST WITHIN 31N35W TO 26N35W TO 28N37W TO 29N39W TO 
31N38W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.

.ATLC WITHIN 10N41W TO 08N45W TO 09N48W TO 12N45W TO 13N41W TO 
10N41W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 09N48W TO 08N50W TO 07N52W TO 09N53W 
TO 10N51W TO 09N48W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E 
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 12N72W TO 11N77W TO 13N78W TO 15N75W TO 14N73W 
TO 12N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT...HIGHEST
NEAR 11N77W.
.24 HOUR FORECAST WITHIN 12N72W TO 11N77W TO 12N77W TO 12N75W TO 
12N74W TO 11N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 42 HOUR FORECAST WITHIN 23N92W TO 21N92W TO 
19N92W TO 21N94W TO 23N94W TO 23N92W SE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 27N92W TO 26N95W TO 28N96W TO 30N93W TO
29N91W TO 27N92W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO COLD FRONT FROM 26N81W TO 22N90W. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT. WINDS AND SEAS HIGHER IN AND NEAR 
SCATTERED SHOWERS AND TSTMS ALONG AND S OF FRONT.
.12 HOUR FORECAST WEAKENING FRONT JUST SE OF OF AREA. CONDITIONS 
TO 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 AGUIRRE. NATIONAL HURRICANE CENTER.