000
FZNT02 KNHC 280313
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT OCT 28.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 29.
48 HOUR FORECAST VALID 0000 UTC MON OCT 30.

.WARNINGS.
...CARIBBEAN GALE WARNING AND ATLC TROPICAL STORM WARNING...
.LOW PRES NEAR 18.2N 84.4W 1005 MB AT 0300 UTC MOVING N OR 5 DEG 
AT 6 KT. WITHIN 0 NM N SEMICIRCLE...60 NM SE QUADRANT AND 70 NM 
SW QUADRANT WINDS 25 TO 35 KT. SEAS TO 10 FT. ELSWHERE WITHIN 
120 NM OF LOW EXCEPT 240 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 
TO 8 FT N OF 18N. SCATTERED TO NUMEROUS SHOWERS AND 
THUNDERSTORMS N OF 16N BETWEEN 77W AND 87W. 
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN INLAND NEAR 22.9N 
81.1W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 70 NM NE QUADRANT...90 NM SE QUADRANT...30 NM 
SW QUADRANT...AND 0 NM NW QUADRANT. SEAS TO 12 FT WITHIN 120 NM 
SE QUADRANT. ELSEWHERE WITHIN 240 NM SE SEMICIRCLE AND 180 NM SW 
QUADRANT WINDS 20 TO 33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM EIGHTEEN NEAR 30.8N 73.0W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM NE QUADRANT...120 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM E AND 30 NM W SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE 
WITHIN 150 NM SE AND 90 NM NW SEMICIRCLES WINDS 20 TO 33 KT. 
SEAS TO 10 FT.
.72 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

...GULF OF MEXICO GALE WARNING...
.COLD FRONT FROM 30N92W TO 26N96W TO 23N98W. NW OF FRONT NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.09 HOUR FORECAST COLD FRONT FROM 30N89W TO 24N96W TO 21N97W. 
FROM 21.5N TO 25N W OF FRONT NW TO N WINDS 25 TO 35 KT. SEAS TO 
10 FT. ELSEWHERE NW OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT S OF 28N W OF 94W.
.24 HOUR FORECAST COLD FRONT FROM 30N85W TO 24N90W TO 20N94W TO 
18N94W. S OF 20.5N W OF FRONT NW TO N WINDS 25 TO 35 KT. SEAS 10 
TO 15 FT. ELSEWHERE NW OF FRONT AND W OF 85W NW TO N WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT S OF 28N W OF 90W. S OF 24N BETWEEN 83.5W 
AND 87W...INCLUDING YUCATAN CHANNEL...NW TO N WINDS 20 TO 25 KT. 
SEAS LESS THAN 8 FT.
.30 HOUR FORECAST COLD FRONT FROM 30N83W TO 27.5N84W TO 21N92.5W 
TO 18N93.5W. S OF 20N W OF FRONT NW WINDS 20 TO 30 KT. SEAS 10 
TO 13 FT. ELSEWHERE W OF FRONT TO 94W NW TO N WINDS 20 TO 25 KT. 
SEAS TO 11 FT. S OF 25N E OF 84W NW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.48 HOUR FORECAST FRONT SE OF AREA. S OF 29N E OF 85W NW TO N 
WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE S OF LINE FROM 27N85W 
TO 20N94.5W WINDS 20 KT OR LESS. SEAS TO 9 FT IN N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC AREA N OF LINE FROM 31N47W TO 26N39W TO 26N35W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 40W AND 51W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST LOW PRES NEAR 30.5N48.5W 1011 MB. N OF 28N 
BETWEEN 44W AND 58W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED 
SWELL.

.ATLC AREA FROM 08N TO 12N BETWEEN 39W AND 51W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED N AND SE SWELL.
.24 HOUR FORECAST AREA FROM 08N TO 12N BETWEEN 38W AND 48W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND SE SWELL.
.48 HOUR FORECAST AREA FROM 08N TO 11N BETWEEN 35W AND 47W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN MIXED NE AND SE SWELL.

.ATLC 24 HOUR FORECAST COLD FRONT JUST W OF AREA. EXCEPT AS 
NOTED IN WARNING SECTION...S OF 28N W OF 78W...INCLUDING THE 
STRAITS OF FLORIDA...SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST COLD FRONT FROM 31N79W TO 27N80W. TROUGH FROM 
27N80W TO 23N81W. WITHIN 150 NM E OF FRONT AND TROUGH S TO SW 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N75W TO 26N77W TO 23N80W. N 
OF 28.5N W OF FRONT W TO NW WINDS 25 TO 30 KT. SEAS TO 12 FT. 
ELSEWHERE N OF 25N W OF FRONT NW WINDS 20 TO 25 KT. SEAS TO 10 
FT. 

.48 HOUR CARIBBEAN FORECAST COLD FRONT FROM 23N80W TO 19N88W. N 
OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT YUCATAN CHANNEL.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.