000
FZNT02 KNHC 172155
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU OCT 17 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU OCT 17.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 18.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 19.

.WARNINGS.

...GULF OF MEXICO TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE SIXTEEN NEAR 22.9N 95.2W 1005 MB AT 
2100 UTC OCT 17 MOVING NNE OR 020 DEG AT 8 KT. MAXIMUM SUSTAINED 
WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM 
OF CENTER EXCEPT 100 NM SW QUADRANT. SEAS TO 11 FT. ELSEWHERE 
WITHIN 210 NM NW AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT. 
SEAS TO 9 FT. FROM 25.5N TO 27.5N BETWEEN 91W AND 97W NE WINDS 
20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 26.9N 89.8W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 60 NM NW AND 150 NM SE SEMICIRCLES WITH 
SEAS TO 17 FT. ELSEWHERE FROM 21N TO 30N BETWEEN 83W AND 92W 
WINDS 20 TO 33 KT. SEAS TO 10 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN INLAND 
NEAR 31.4N 84.1W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 
TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...190 NM NE 
QUADRANT AND 150 NM SE QUADRANT. SEAS TO 12 FT WITHIN 150 NM SW 
QUADRANT. ELSEWHERE N OF 23.5N E OF 86.5W WINDS 20 TO 33 KT. 
SEAS TO 10 FT. 
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 35.6N 
76.2W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 37.5N 
70.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 
38.5N 66.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

.SYNOPSIS AND FORECAST.

.ATLC N OF 29N BETWEEN 48W AND 52W WINDS 20 KT OR LESS. SEAS TO 
8 FT IN MIXED N AND SE SWELL. FROM 16N TO 21N BETWEEN 44W AND 
51W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND SE SWELL. 
FROM 20N TO 23N E OF 40W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED N AND NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST N OF 22N BETWEEN 35W AND 40W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED N AND NE SWELL.
.48 HOUR FORECAST FROM 23N TO 30N E OF 41W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED N AND NE SWELL.

.ATLC 36 HOUR FORECAST COLD FRONT FROM 31N61W TO 26.5N67W TO 
26N70W. N OF 29.5N WITHIN 150 NM SE OF FRONT WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N56W TO 26.5N62W TO 25N70W. 
N OF 28.5N BETWEEN 48W AND 60W WINDS 20 KT OR LESS. SEAS TO 9 FT 
IN NW SWELL.

.ATLC 42 HOUR FORECAST N OF 27N W OF 78W SE WINDS 20 TO 30 KT. 
SEAS TO 9 FT.
.48 HOUR FORECAST N OF 27N W OF 77W S TO SE WINDS 20 TO 30 KT. 
SEAS TO 11 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.