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High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 180343
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI OCT 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 18.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 19.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 20.

.WARNINGS.

...GULF OF MEXICO TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE SIXTEEN NEAR 24.1N 93.7W 1004 MB AT 
0300 UTC OCT 18 MOVING NE OR 045 DEG AT 10 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 10 FT. ELSEWHERE 
WITHIN 180 NM NW AND 150 NM SE SEMICIRCLES WINDS 20 TO 33 KT. 
SEAS TO 9 FT. FROM 26N TO 28N BETWEEN 91W AND 96W NE WINDS 20 TO 
25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 28.2N 88.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 150 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 60 NM NW AND 180 NM SE SEMICIRCLES WITH 
SEAS TO 17 FT. ELSEWHERE FROM 21.5N TO 30N BETWEEN 83W AND 91.5W 
WINDS 20 TO 33 KT. SEAS TO 10 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN INLAND 
NEAR 32.2N 82.9W. 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 10 FT WITHIN 210 NM SW 
QUADRANT. ELSEWHERE N OF 27N E OF 86W WINDS 20 TO 25 KT. SEAS TO 
8 FT. 
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 36.1N 
74.0W. 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 37.0N 
69.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 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.

.SYNOPSIS AND FORECAST.

.ATLC 18 HOUR FORECAST N OF 22N E OF 38W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED N AND NE SWELL.
.24 HOUR FORECAST N OF 22N E OF 40W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN MIXED N AND NE SWELL.
.48 HOUR FORECAST FROM 26N TO 29N E OF 40W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN MIXED N AND NE SWELL.

.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N62W TO 26.5N70W TO 
27N80W. N OF 30N WITHIN 120 NM SE OF FRONT WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN NW SWELL. N OF 30N BETWEEN 48W AND 51W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N54W TO 27N59W TO 24.5N71W. 
N OF 29.5N E OF FRONT TO 48W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW TO N SWELL. N OF 30N W OF FRONT TO 57W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.

.ATLC 36 HOUR FORECAST N OF 27N W OF 78W SE WINDS 20 TO 30 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST N OF 27N W OF 75W S TO SE WINDS 20 TO 30 KT. 
SEAS TO 12 FT...HIGHEST ALONG 31N.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.