000
FZNT02 KNHC 212103
HSFAT2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO LOW PRES NEAR 28N85W 1013 MB. WITHIN 120 NM SE 
QUADRANT OF LOW SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LOW PRES NEAR 26N85W 1012 MB WITH COLD FRONT 
22N94W TO 18.5N94W. S OF 22N W OF FRONT NW WINDS 30 TO 35 KT. 
SEAS 8 TO 10 FT. ELSEWHERE S OF 26N W OF FRONT NW TO N WINDS 20 
TO 30 KT. SEAS TO 10 FT. N OF 26N W OF 90W N TO NE WINDS 20 TO 
25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES NEAR 28N84W 1011 MB WITH COLD FRONT 
TO 21N87W. S OF 22N W OF 93W NW WINDS 20 TO 30 KT. SEAS 8 TO 12 
FT. S OF 23N W OF 91W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N52W TO 27N62W THEN STATIONARY FRONT TO 
27N72W AND WARM FRONT TO 29N81W. N OF FRONT TO 79W E WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N37W TO 29N47W THEN 
STATIONARY TO 28N53W AND WARM FRONT TO 31N62W. N OF FRONT WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL. S OF FRONT TO 26N 
BETWEEN 40W AND 60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW 
SWELL. 
.48 HOUR FORECAST COLD FRONT FROM 26N35W TO 25N43W TO 27N50W. N 
OF FRONT E OF 40W NW WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. 
ELSEWHERE N OF 23N WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL. 

.ATLC STATIONARY FRONT FROM 25N35W TO LOW PRES NEAR 23N39W 1012 
MB TO 18N50W. WITHIN 180 NM NW SEMICIRCLE OF LOW NE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. FROM 19N TO 24N BETWEEN 48W AND 60W NE 
TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST FRONT DISSIPATED. LOW PRES NEAR 21N42W 1011 
MB. WITHIN 210 NM NW SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 
TO 11 FT. FROM 20N TO 26N BETWEEN 40W AND 60W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 19N46W 1012 MB. FROM 20N TO 23N 
BETWEEN 45W AND 50W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED 
NE AND NW SWELL.

.ATLC 30 HOUR FORECAST LOW PRES NEAR 29N72W 1009 MB WITH COLD 
FRONT TO 22N78W. N OF 24N BETWEEN 62W AND 68W SE WINDS 20 TO 30 
KT. SEAS 8 TO 11 FT. 
.48 HOUR FORECAST LOW MOVE N OF AREA. N OF 28N BETWEEN 56W AND 
62W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 

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

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.