000
FZNT02 KNHC 210947
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE NOV 21.
24 HOUR FORECAST VALID 0600 UTC WED NOV 22.
48 HOUR FORECAST VALID 0600 UTC THU NOV 23.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO 30 HOUR FORECAST LOW PRES NEAR 28N85W 1012 MB 
WITH COLD FRONT TO 26N94W TO 22N98W. NW OF FRONT N TO NE WINDS 
20 TO 25 KT...EXCEPT NW TO N WINDS 25 TO 30 KT S OF 26N. SEAS 
BUILDING TO 8 FT N OF 26N AND TO 9 FT S OF 26N. 
.36 HOUR FORECAST LOW PRES NEAR 27N85W 1012 MB WITH COLD FRONT 
TO 25N95W TO 18.5N94W. S OF 21N W OF 95W NW WINDS 30 TO 35 KT. 
SEAS BUILDING TO 12 FT. ELSEWHERE S OF 25N W OF FRONT NW TO N 
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. N OF 25N W OF FRONT N TO NE 
WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST LOW PRES NEAR 28N85W 1012 MB WITH COLD FRONT 
TO 22N94W TO 18.5N93W. S OF 22N W OF FRONT NW WINDS 25 TO 30 
KT...EXCEPT 30 TO 35 KT S OF 21N W OF 95W. SEAS 10 TO 13 FT. 
ELSEWHERE W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT 
S OF 26N. 

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N57W TO 29N61W THEN STATIONARY TO 
26N80W. NW OF FRONT TO A LINE FROM 31N61W TO 29N80W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N45W TO 29N60W THEN 
STATIONARY TO BEYOND 31N70W. N OF FRONT NE TO E WINDS 20 TO 25 
KT. SEAS TO 9 FT. ELSEWHERE N OF 22N E OF 60W TO A LINE FROM 
31N76W TO 22N67W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 29N35W TO 27N52W 
THEN STATIONARY TO 31N60W. E OF 60W TO A LINE FROM 28N35W TO 
20N45W TO 17N55W TO 17N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED NW AND NE SWELL...HIGHEST N OF 29N E OF 45W...AND 
WITHIN ABOUT 90 NM OF 23N47W.

.ATLC STATIONARY FRONT FROM 25N35W TO 1012 MB LOW PRES NEAR 
24N38W TO 18N50W TO 21N62W. NW OF FRONT/LOW TO A LINE FROM 
28N35W TO 24N50W TO 23N61W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT. N OF 28N E OF 40W WINDS 20 KT OR LESS. SEAS 8 FT IN NW 
SWELL. 
.24 HOUR FORECAST LOW PRES NEAR 22N41W 1011 MB WITH WEAKENING 
FRONT TO 18N45W TO 18N52W. FROM 18N TO 25N BETWEEN 50W AND 60 W 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT...HIGHEST NEAR 
19N52W. WITHIN 240 NM NW SEMICIRCLE OF LOW WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. ELSEWHERE FROM 20N TO 26N BETWEEN 38N AND 
45W...AND FROM 18N TO 23N BETWEEN 45W AND 50W WINDS 2O KT OR 
LESS. SEAS 8 TO 9 FT PRIMARILY IN NE SWELL.
.48 HOUR FORECAST LOW NEAR 19N44W 1011 MB WITH TROUGH TO 15N45W.
CONDITIONS MERGED.

.ATLC 48 HOUR FORECAST LOW PRES NEAR 30N65W 1008 MB WITH COLD 
FRONT TO 29N70W. WITHIN 210 NM SE SEMICIRCLE OF LOW WINDS 20 TO 
30 KT. SEAS 9 TO 12 FT. ELSEWHERE N OF 17N W OF 60W TO A LINE 
FROM 31N70W TO 17N61W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E TO 
SE SWELL. 

.CARIBBEAN N OF 18.5N E OF 77W...INCLUDING THE WINDWARD 
PASSAGE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 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.