000
FZNT02 KNHC 172028
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC SAT OCT 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT OCT 17.
24 HOUR FORECAST VALID 1800 UTC SUN OCT 18.
48 HOUR FORECAST VALID 1800 UTC MON OCT 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC LOW PRES NEAR 29N56W 1008 MB. N OF 28N BETWEEN 56W AND 60W 
NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL CYCLONE...NEAR 
26.5N56.5W 1006 MB. WITHIN 120 NM N SEMICIRCLE AND 60 NM SE 
QUADRANT OF LOW CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
ELSEWHERE N OF 27N BETWEEN 52W AND 65W N TO NE WINDS 20 TO 25 
KT. SEAS 8 TO 11 FT IN NE SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE SUBTROPICAL CYCLONE...NEAR 
25N57W 1005 MB. WITHIN 150 NM N SEMICIRCLE AND 90 NM SE QUDARANT 
OF LOW CENTER WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. ELSEWHERE N OF 
A LINE FROM 30N45W TO 28N50W TO 25N60W TO 25N65W TO 25N73W NE TO 
E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. 

.ATLC COLD FRONT FROM 31N72W TO 26N80W. N OF 30N W OF FRONT NE 
WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.24 HOUR FORECAST WEAKENING STATIONARY FRONT FROM 31N73W TO 
26N80W. N OF 27N W OF 75W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 
FT. 
.48 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. 

.GULF OF MEXICO COLD FRONT FROM 25N81W TO 24N90W THEN STATIONARY 
TO 18N94.5W S OF 21N W OF FRONT NW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.24 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT. 
.42 HOUR FORECAST N OF 26N E OF 87W E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.
.48 HOUR FORECAST N OF 24N E OF 87W E WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT.

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

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.