478 
FZNT02 KNHC 181535
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED OCT 18 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED OCT 18.
24 HOUR FORECAST VALID 1200 UTC THU OCT 19.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 20.

.WARNINGS.

...ATLC STORM WARNING...
.LOW PRES NEAR 12.5N48.5W 1008 MB. WITHIN 120 NM E SEMICIRCLE 
WINDS 30 TO 35 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 150 NM E 
SEMICIRCLE AND 120 NM NW QUDARANT WINDS 20 TO 30 KT. SEAS 9 TO 
12 FT. ELSEWHERE FROM 13N TO 22N BETWEEN 44W AND 55W E WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. 
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N51.5W 1006 MB. WITHIN 120 NM E SEMICIRCLE AND 60 NM NW 
QUADRANT WINDS 30 TO 35 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN 
180 NM N SEMICIRCLE AND 210 NM SE QUADRANT WINDS 20 TO 30 KT. 
SEAS 8 T0 11 FT. REMAINDER OF THE AREA FROM 12N TO 19N BETWEEN 
45W AND 55W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N54W 1004 MB. WITHIN 120 NM E SEMICIRCLE AND 60 NM NW QUADRANT 
WINDS 30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN 210 NM N 
SEMICIRCLE...240 NM SE QUADRANT AND 60 NM SW QUADRANT WINDS 20 
TO 30 KT. SEAS 8 T0 12 FT. REMAINDER OF THE AREA FROM 10N TO 22N 
BETWEEN 45W AND 55W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N58.5W 1000 MB. WITHIN 120 NM E SEMICIRCLE...30 NM SW 
QUADRANT AND 90 NM NW QUADRANT WINDS 34 TO 50 KT. SEAS 14 TO 20 
FT. ELSEWHERE WITHIN 240 NM N SEMICIRCLE...270 NM SE QUADRANT 
AND 90 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 10 T0 16 FT. 
REMAINDER OF THE AREA FROM 10N TO 22N BETWEEN 50W AND 60W WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT. 

.SYNOPSIS AND FORECAST.

.CARIBBEAN STATIONARY FRONT FROM 21N76W TO 16N84W. W OF FRONT TO 
85W N TO NE WINDS 20 TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST STATIONARY FRONT IN SAME LOCATION. S OF 18N W 
OF FRONT NE WINDS 20 TO 25 KT. SEAS 8 FT.  
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.