000
FZNT02 KNHC 180906
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI OCT 18.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 19.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 20.

.WARNINGS.

...GULF OF MEXICO TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE SIXTEEN NEAR 24.3N 92.5W 1004 MB AT 
0900 UTC OCT 18 MOVING NE OR 045 DEG AT 12 KT. MAXIMUM SUSTAINED 
WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 100 
NM E SEMICIRCLE. SEAS TO 10 FT. ELSEWHERE WITHIN 120 NM NW AND 
150 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 29.0N 87.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM W SEMICIRCLE...120 NM NE QUADRANT AND 150 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM NW AND 180 NM SE 
SEMICIRCLES WITH SEAS TO 20 FT. ELSEWHERE FROM 22N TO 30N 
BETWEEN 82W AND 90W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN N OF AREA 
NEAR 33.5N 80.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. 
TROPICAL STORM FORCE WINDS WITHIN 0 NM W SEMICIRCLE...100 NM NE 
QUADRANT AND 150 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM SE SEMICIRCLE WITH SEAS TO 14 FT. OVER FORECAST WATERS NW 
OF LINE FROM 31N74W TO 27N80W S TO SW WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 37.0N 
72.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL SIXTEEN NEAR 37.5N 
69.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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 24 HOUR FORECAST N OF 22N E OF 40W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN N TO 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 31N61W TO 24N69W. N OF 
30N WITHIN 120 NM E OF FRONT WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW SWELL. N OF 30N BETWEEN 48W AND 55W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N52W TO 24N59W. N OF 29.5N E 
OF FRONT TO 48W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N 
SWELL.

.ATLC 30 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 74W S TO SW WINDS 20 TO 30 KT. 
SEAS TO 12 FT.

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

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.