000
FZNT02 KNHC 050820
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON APR 5 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON APR 5.
24 HOUR FORECAST VALID 0600 UTC TUE APR 6.
48 HOUR FORECAST VALID 0600 UTC WED APR 7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N49W TO 22N64W TO 20N69W. WITHIN 20N68W 
TO 20N69W TO 20N70W TO 22N70W TO 21N69W TO 20N68W NE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT IN N TO NE SWELL. ELSEWHERE WITHIN 
26N57W TO 20N69W TO 23N72W TO 29N63W TO 31N53W TO 26N57W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.18 HOUR FORECAST COLD FRONT WEAKENING FROM 31N45W TO 22N60W. 
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC WITHIN 30.5N36.5W TO 30.5N39W TO 31N40W TO 31N35W TO 
30.5N36.5W W TO NW WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW 
SWELL. ELSEWHERE WITHIN 28N35W TO 28N38W TO 29N41W TO 31N42W TO
31N35W TO 28N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC 12 HOUR FORECAST TROUGH ALONG 31N. WITHIN 30N58W TO 30N62W
TO 31N69W TO 31N55W TO 30N58W W WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT.
.24 HOUR FORECAST TROUGH FROM 31N59W TO 28N85W. WITHIN 27N49W TO
29N53W TO 30N64W TO 31N68W TO 31N44W TO 27N49W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N64W TO 29N66W. WITHIN 
30N54W TO 29N61W TO 30N68W TO 31N70W TO 31N54W TO 30N54W W TO NW
WINDS 20 TO 30 KT...EXCEPT SW WINDS AHEAD OF FRONT. SEAS 9 TO 11
FT. ELSEWHERE WITHIN 29N54W TO 28N59W TO 29N62W TO 31N54W TO 
31N50W TO 29N54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N 
SWELL.

.CARIBBEAN WITHIN 11N72W TO 11N75W TO 10N77W TO 13N75W TO 12N70W
TO 11N72W NE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN DISSIPATING STATIONARY FRONT FROM 20N70W TO 16N80W.
WITHIN 19N78W TO 19N82W TO 20N82W TO 21N81W TO 20N77W TO 19N78W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 17N77W TO 
17N78W TO 18N76W TO 19N75W TO 19N74W TO 17N77W...INCLUDING THE 
WINDWARD PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FRONT DISSIPATED. WITHIN 19N74W TO 18N76W TO 
19N76W TO 20N75W TO 20N74W TO 19N74W...INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 18 HOUR FORECAST WITHIN 20N91W TO 21N91W TO
22N89W TO 22N88W TO 20N91W...INCLUDING WITHIN 60 NM OF CAMPECHE 
...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 22N88W TO 21N89W TO 20N91W TO 22N90W TO
23N88W TO 22N88W...INCLUDING WITHIN 60 NM OF CAMPECHE...NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 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 LEWITSKY. NATIONAL HURRICANE CENTER.