000
FZNT02 KNHC 210812
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE MAR 21 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE MAR 21.
24 HOUR FORECAST VALID 0600 UTC WED MAR 22.
48 HOUR FORECAST VALID 0600 UTC THU MAR 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N55W TO 22N64W THEN STATIONARY TO 
19N70W. N OF 28N WITHIN 420 NM E OF FRONT S TO SW WINDS 20 TO 
25 KT. SEAS TO 10 FT. N OF 30N WITHIN 480 NM W OF FRONT W TO NW 
WINDS 20 TO 25 KT. SEAS 9 TO 13 FT. ELSEWHERE N OF LINE FROM 
31N50W TO 24N65W TO 27N76W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
PRIMARILY IN N SWELL.
.18 HOUR FORECAST COLD FRONT FROM 31N49W TO 26N55W THEN FRONTAL 
TROUGH TO 20N68W. N OF LINE FROM 31N48W TO 25N60W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT PRIMARILY IN N SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N49W TO 28N52W THEN 
FRONTAL TROUGH TO 22N63W TO 20N73W. N OF LINE FROM 31N49W TO 
25N60W TO 31N65W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN 
N SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. N OF LINE FROM 31N44W TO 
28N49W TO 31N53W WINDS 20 KT OR LESS. SEAS TO 8 FT IN N SWELL. 

.ATLC FROM 12N TO 18N BETWEEN 37W AND 45W NE TO E WINDS 20 TO
25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.ATLC 24 HOUR FORECAST COLD FRONT APPROACH AREA. N OF 30N 
W OF 77W SW WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. 
.36 HOUR FORECAST COLD FRONT FROM 31N75W TO 28N80W. N OF 29N 
WITHIN 330 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N 
OF 30N W OF FRONT N WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N65W TO 25N80W. N OF 30N 
WITHIN 180 NM E OF FRONT SW WINDS 20 TO 25 KT. SEAS TO 9 FT. N 
OF 27N W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS TO 11 FT.

.CARIBBEAN FROM 10.5N TO 12N BETWEEN 74W AND 76W NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST FROM 10N TO 12.5N BETWEEN 72W AND 77W NE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST FROM 10N TO 12.5N BETWEEN 72W AND 76W NE
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN NE OF LINE FROM 18N74W TO 20N80W NE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF LINE FROM 19N78W TO 21N83W NE WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO S OF 21N E OF 92W NE WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST S OF 21N E OF 92W N TO NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST S OF 21N E OF 93W N TO NE WINDS 20 TO 25 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 NELSON. NATIONAL HURRICANE CENTER.