000
FZNT02 KNHC 160823
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON OCT 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON OCT 16.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 17.
48 HOUR FORECAST VALID 0600 UTC WED OCT 18.

.WARNINGS.

...GULF OF MEXICO GALE WARNING...

.GULF OF MEXICO COLD FRONT FROM 30N90W TO 25N97W. NW OF FRONT N 
TO NE WINDS 20 TO 30 KT. SEAS TO 9 FT. SCATTERED TSTMS WITHIN
90 NM E OF FRONT AND WITHIN 120 NM OF 25N91W.  
.12 HOUR FORECAST COLD FRONT FROM 30N85W TO 22N94W TO 19N92W. S 
OF 23N W OF FRONT NW TO N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
ELSEWHERE W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
SCATTERED TSTMS N OF 26N WITHIN 90 NM E OF FRONT AND S OF 
26N W OF 94W. 
.24 HOUR FORECAST COLD FRONT FROM 29N83W TO 24N93W TO 18N92W. S 
OF 21N W OF 95W NW TO N WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.
ELSEWHERE W OF FRONT N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
SCATTERED TSTMS S OF 23N W OF 91W. 
.48 HOUR FORECAST COLD FRONT FROM 26N82W TO 21N88W. S OF 20.5N 
BETWEEN 94W AND 97W NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 
SCATTERED TSTMS S OF 22N W OF 91W. 

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES 22.5N70W 1011 MB WITH TROUGH N TO 31N65W. WITHIN 
120 NM OF LINE FROM 26N68W TO 21N65W SE WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. ELSEWHERE WITHIN AREA BOUNDED BY 28N68W TO 16N52W TO 
12N55W TO 23N70W TO 28N68W WINDS 20 KT OR LESS. SEAS TO 9 FT 
PRIMARILY IN SE SWELL. SCATTERED TSTMS WITHIN 180 NM OF LINE 
FROM 25N72W TO 20N63W AND WITHIN 120 NM OF LINE FROM 13N55W TO 
09N40W. POSSIBLE TROPICAL CYCLONE FORMATION. 
.12 HOUR FORECAST TROUGH FROM 31N72W TO LOW PRES...POSSIBLE
TROPICAL CYCLONE...NEAR 26N72W 1011 MB WITH TROUGH S TO 21N75W.
WITHIN 120 NM OF LINE FROM 28N68W TO 21N66W SE TO S WINDS 20 TO
30 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN AREA BOUNDED BY 28N68W
TO 16N52W TO 12N55W TO 23N70W TO 28N68W WINDS 20 KT OR LESS.
SEAS TO 9 FT PRIMARILY IN SE SWELL. SCATTERED TSTMS WITHIN 120
NM OF LINE FROM 31N66W TO 22N70W. 
.24 HOUR FORECAST TROUGH FROM 31N69W TO LOW PRES...POSSIBLE 
TROPICAL CYCLONE...NEAR 27N71W 1011 MB WITH TROUGH S TO 23N75W. 
WITHIN 90 NM OF LINE FROM 31N66W TO 26N70W S WINDS 20 TO 30 KT. 
SEAS 11 TO 14 FT. ELSEWHERE WITHIN 180 NM OF LINE FROM 31N66W TO 
23N67W AND WITHIN 120 NM OF LINE FROM 19N62W TO 13N53W WINDS 20 
KT OR LESS. SEAS TO 10 FT PRIMARILY IN SE SWELL. SCATTERED TSTMS 
WITHIN 300 NM E SEMICIRCLE OF LOW PRES. 
.48 HOUR FORECAST TROUGH FROM 31N66W TO LOW PRES...POSSIBLE 
TROPICAL CYCLONE...NEAR 29N69W 1011 MB WITH TROUGH S TO 22N73W. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC TROUGH FROM 31N47W TO 24N51W. N OF 28N WITHIN 180 NM OF 
TROUGH WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL. 
.24 HOUR FORECAST TROUGH DISSIPATED. WITHIN 75 NM OF LINE FROM 
28N40W TO 23N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST FROM 12N TO 15N BETWEEN 55W AND 60W E WINDS 20 
TO 25 KT. SEAS 9 FT. ELSEWHERE WITHIN AREA BOUNDED BY 27N35W TO 
15N35W TO 10N60W TO 19N62W TO 27N35W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN MIXED SWELL.

.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N76W TO 30N81W. N OF 
30.5N W OF 79W NE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N73W TO 27N80W. W OF FRONT 
NE WINDS 20 TO 25 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST COLD FRONT FROM 31N70W TO 27N80W. N OF 30N W 
OF 79W NE WINDS 20 TO 25 KT. SEAS 10 FT. ELSEWHERE W OF FRONT 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN NE SWELL.

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

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.