000
FZNT02 KNHC 181520
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN OCT 18 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN OCT 18.
24 HOUR FORECAST VALID 1200 UTC MON OCT 19.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 20.

.WARNINGS.

...GALE WARNING...
.ATLC LOW PRES NEAR 27.5N56.5W 1004 MB. WITHIN 150 NM N 
SEMICIRCLE AND 180 NM SE QUADRANT OF LOW WINDS 20 TO 30 KT. SEAS 
8 TO 11 FT. ELSEWHERE N OF 26N BETWEEN 56W AND 64W N TO NE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL CYCLONE... 
NEAR 25N56.5W 1002 MB. WITHIN 120 NM N SEMICIRCLE AND 60 NM SE 
QUADRANT OF LOW WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE N 
OF A LINE FROM 30N45W TO 28N50W TO 25N60W TO 27N70W NE TO E 
WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL CYCLONE...NEAR 
25.5N56.5W 1002 MB. WITHIN 150 NM N SEMICIRCLE...90 NM SE 
QUADRANT AND 30 NM SW QUADRANT OF LOW WINDS 30 TO 45 KT. SEAS 10 
TO 18 FT. ELSEWHERE WITHIN 300 NM N SEMICIRCLE AND 240 NM SE 
QUADRANT WINDS 20 TO 30 KT. SEAS 10 TO 15 FT. REMAINDER OF THE 
AREA N OF A LINE FROM 29N40W TO 28N50W TO 23N60W TO 23N70W NE TO 
E WINDS 20 TO 25 KT. SEAS 8 TO 14 FT IN NE SWELL.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N70W TO 25N80W. N OF 28N W OF 
FRONT NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N72W TO 
26N80W. NW OF FRONT TO 30N NE TO E WINDS 20 TO 25 KT. SEAS TO 8 
FT N AND NE OF THE BAHAMAS. 
.48 HOUR FORECAST FRONT DISSIPATED. FROM 23N TO 29N W OF 70W NE 
TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN NE SWELL. ELSEWHERE N 
OF 22N W OF 70W AND E OF THE BAHAMAS WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN NE SWELL.

.GULF OF MEXICO 18 HOUR FORECAST N OF 26N E OF 87W E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST FROM 23N TO 29N E OF 87W...INCLUDING THE 
STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 22N TO 28N E OF 90W...INCLUDING THE 
STRAITS OF FLORIDA...E WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER . NATIONAL HURRICANE CENTER.