000
FZNT02 KNHC 212137
HSFAT2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N51W TO 25N59W THEN STATIONARY TO 22N64W 
TO 20N70W. N OF LINE FROM 30N50W TO 30N54W TO 22N68W TO 22N71W 
TO 28N72W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N SWELL.
.24 HOUR FORECAST STATIONARY FRONT FROM 31N47W TO 28N53W THEN 
FRONTAL TROUGH TO 24N64W TO 20N71W. N OF LINE FROM 31N46W TO 
26N53W TO 25N60W TO 31N62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN NW SWELL.
.36 HOUR FORECAST FRONT DISSIPATED. WITHIN 180 NM EITHER SIDE OF 
LINE FROM 22N38W TO 19N47W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT. ELSEWHERE AREA BOUNDED BY 31N50W TO 31N35W TO 20N35W TO 
14N44W TO 13N59W TO 18N61W TO 31N50W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST AREA BOUNDED BY 31N45W TO 31N35W TO 19N35W TO 
15N47W TO 15N53W TO 22N54W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NE AND NW SWELL. 

.ATLC S OF 17N BETWEEN 39W AND 47W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED E AND NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.ATLC 12 HOUR FORECAST COLD FRONT APPROACH 31N81W. N OF 30N W OF 
77W SW WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT. 
.24 HOUR FORECAST COLD FRONT FROM 31N76W TO 30.5N79W TO 30N81W. 
N OF 30N BETWEEN 70W AND 76W SW WINDS 20 TO 25 KT. SEAS 8 FT 
NEAR 31N. 
.36 HOUR FORECAST COLD FRONT FROM 31N68W TO 28N74W TO 27N80W. W 
OF FRONT N OF 28N N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N61W TO 28N67W TO 26N75W TO 
26N80W. N OF FRONT N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT E 
OF BAHAMAS. SEAS LESS THAN 8 FT W OF BAHAMAS.

.CARIBBEAN 06 HOUR FORECAST FROM 10.5N TO 12N BETWEEN 71.5W AND 
76W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 10.5N TO 12.5N BETWEEN 72.5W AND 76W NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 10N TO 12N BETWEEN 73W AND 76W NE WINDS 
20 TO 25 KT. SEAS TO 8 FT.

.GULF OF MEXICO 06 HOUR FORECAST S OF 21N E OF 91.5W NE TO E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST S OF 21N E OF 93W N TO NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.