000
FZNT02 KNHC 122217
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 12.
24 HOUR FORECAST VALID 1800 UTC FRI SEP 13.
48 HOUR FORECAST VALID 1800 UTC SAT SEP 14.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE NINE NEAR 23.9N 75.1W 1008 MB AT 
2100 UTC SEP 12 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED 
WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM NW SEMICIRCLE AND 30 NM SE 
QUADRANT WINDS 20 TO 25 KT. SEAS TO 8 FT. NUMEROUS SQUALLS AND 
TSTMS FROM 22N TO 26N BETWEEN 69W AND 75W.
.24 HOUR FORECAST POTENTIAL TROPICAL CYCLONE NINE NEAR 25.5N 
77.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM 
N AND 60 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.36 HOUR FORECAST POTENTIAL TROPICAL CYCLONE NINE NEAR 26.5N 
78.9W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. SEAS 10 TO 14 
FT WITHIN 60 NM E SEMICIRCLE. ELSEWHERE WITHIN 180 NM NE 
SEMICIRCLE AND 90 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST POTENTIAL TROPICAL CYCLONE NINE ALONG THE 
COAST NEAR 27.5N 80.2W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 
KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM N SEMICIRCLE...60 NM 
SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
150 NM E SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM E 
SEMICIRCLE AND 30 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. 
.72 HOUR FORECAST POTENTIAL TROPICAL CYCLONE NINE INLAND NEAR 
30.0N 82.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POTENTIAL TROPICAL CYCLONE NINE INLAND NEAR 
31.0N 82.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POTENTIAL TROPICAL CYCLONE OVER WATER NEAR 
31.5N 80.0W. 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 TROPICAL WAVE E OF AREA NEAR 31W. FROM 16N TO 22N E OF 37W 
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND NW SWELL.
.18 HOUR FORECAST TROPICAL WAVE NEAR 38W. FROM 05N TO 20N. FROM 
13N TO 17N E OF 38W E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 13N TO 24N E OF 44W WINDS 20 KT OR LESS. SEAS 8 
TO 9 FT IN NE SWELL.  
.24 HOUR FORECAST TROPICAL WAVE NEAR 42W FROM 05N TO 20N. FROM 
13N TO 18N BETWEEN 37W AND 42W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 10 FT. ELSEWHERE FROM 13N TO 24 E OF 44W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NE SWELL.  
.48 HOUR FORECAST TROPICAL WAVE NEAR 48W FROM 05N TO 20N. FROM 
13N TO 22N E OF 48W WINDS 20 KT OR LESS...EXCEPT NE TO E 20 TO 
25 KT FROM 13N TO 17N BETWEEN 44W AND 48W.

.CARIBBEAN 30 HOUR FORECAST FROM 11N TO 13N BETWEEN 69W AND 71W 
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.GULF OF MEXICO 48 HOUR FORECAST FROM 28N TO 29N BETWEEN 84W AND 
86W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.