031 
FZNT02 KNHC 282026
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN MAR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN MAR 28.
24 HOUR FORECAST VALID 1800 UTC MON MAR 29.
48 HOUR FORECAST VALID 1800 UTC TUE MAR 30.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN FROM 10N TO 18N BETWEEN 70W AND 80W NE TO E WINDS 20 
TO 25 KT...EXCEPT 25 TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 8 
TO 11 FT. ELSEWHERE S OF 10N E OF 80W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NE SWELL.
.12 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE FROM 10N TO 15N 
BETWEEN 66W AND 81W...AND FROM 15N TO 18N BETWEEN 66W AND 69W NE 
TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA S OF 
10N E OF 81W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST FROM 10N TO 15N BETWEEN 68W AND 81W...AND FROM 
15N TO 17.5N BETWEEN 68W AND 79W NE TO E WINDS 20 TO 25 KT... 
EXCEPT 25 TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 8 TO 11 FT. 
ELSEWHERE S OF 10N E OF 82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NE SWELL.
.36 HOUR FORECAST FROM 11N TO 13N BETWEEN 74W AND 77W NE TO E 
WINDS 25 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE FROM 10.5N TO 15N 
BETWEEN 68W AND 82W...AND FROM 15N TO 17.5N BETWEEN 68W AND 78W 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. REMAINDER OF AREA S 
OF 10.5N E OF 82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL. 
.48 HOUR FORECAST FROM 10.5N TO 15N BETWEEN 66W AND 82W...AND 
FROM 15N TO 17.5N BETWEEN 66W AND 79W NE TO E WINDS 20 TO 25 
KT...EXCEPT 25 TO 30 KT NEAR THE COAST OF COLOMBIA. SEAS 8 TO 11 
FT...HIGHEST FROM 10N TO 14N BETWEEN 73W AND 79W. 

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 30N87W TO 25N96W TO 22N97W. S OF 
25N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS BUILDING TO 10 
FT. N OF 25N W OF FRONT N WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.06 HOUR FORECAST COLD FRONT FROM 30N86W TO 25N96W TO 21N97W. S 
OF 25N W OF FRONT NW TO N WINDS 30 TO 40 KT. SEAS 8 TO 11 FT. N 
OF 25N W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST COLD FRONT FROM 30N84W TO 24N95W TO 19N95W. S 
OF 24N W OF FRONT NW TO N WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. N 
OF 24N W OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST COLD FRONT FROM 28N83W TO 24N94W TO 19N94W. S 
OF 22N W OF FRONT NW TO N WINDS 25 TO 30 KT WITH FREQUENT GUSTS 
TO GALE FORCE. SEAS 8 TO 11 FT. ELSEWHERE S OF 25N W OF FRONT NW 
TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. N OF 25N NW OF FRONT N 
TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 27N82W TO 23N95W TO 
18.5N94W. S OF 22N W OF 94W NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 
11 FT. ELSEWHERE S OF 24N W OF FRONT NW TO N WINDS 20 TO 25 KT. 
SEAS 8 TO 9 FT. 
.36 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 26N82W TO 
23N95W TO 18.5N94W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC S OF 21N E OF 55W NE TO E WINDS 20 TO 25 KT. SEAS SEAS 8 
TO 10 FT. S OF 22N BETWEEN 55W AND 65W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST S OF 20N BETWEEN 40W AND 55W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. S OF 18N E OF 40W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN NE SWELL. S OF 22N BETWEEN 55W AND 65W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.48 HOUR FORECAST S OF 22N BETWEEN 50W AND 65W NE TO E WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT. S OF 20N BETWEEN 40W AND 50W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.ATLC S OF 22N BETWEEN 70W AND 76W...INCLUDING APPROACH TO THE 
WINDWARD PASSAGE...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST S OF 21.5N BETWEEN 70W AND 74W...INCLUDING 
APPROACH TO THE WINDWARD PASSAGE...E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 12 HOUR FORECAST N OF 30N BETWEEN 45W AND 53W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST N OF A LINE FROM 31N35W TO 28N46W TO 31N50W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.36 HOUR FORECAST N OF A LINE FROM 28N35W TO 26N44W TO 28N50W TO 
31N54W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL... 
EXCEPT 12 TO 13 FT N OF 30N E OF 43W.
.48 HOUR FORECAST N OF A LINE FROM 24N35W TO 24N45W TO 25N50W TO 
TO 27N53W TO 31N53W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL...EXCEPT 12 TO 14 FT N OF 28N E OF 42W.

.CARIBBEAN 06 HOUR FORECAST S OF 18N W OF 86W...INCLUDING GULF 
OF HONDURAS...E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST N OF 19N BETWEEN 73W AND 76W...INCLUDING THE 
WINDWARD PASSAGE...NE WINDS 20 TO 25 FT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 06 HOUR FORECAST FROM 19N TO 22N BETWEEN 87W AND 
92W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.