000
FZNT02 KNHC 310312
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED OCT 31 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED OCT 31.
24 HOUR FORECAST VALID 0000 UTC THU NOV 01.
48 HOUR FORECAST VALID 0000 UTC FRI NOV 02.

.WARNINGS.

...TROPICAL STORM WARNING...
.HURRICANE OSCAR NEAR 32.8N 55.2W 979 MB AT 0300 UTC OCT 31 
MOVING NE OR 035 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM W 
SEMICIRCLE...130 NM NE QUADRANT AND 110 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 240 NM NE QUADRANT...330 NM SE QUADRANT... 
450 NM SW QUADRANT...AND 270 NM NW QUADRANT WITH SEAS TO 32 FT.
ELSEWHERE OVER FORECAST WATERS N OF A LINE FROM 31N49W TO 23N57W 
TO 29N64W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA 
N OF A LINE FROM 31N45W TO 26N48W TO 23N57W TO 24N71W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 40.2N 
48.9W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM 
FORCE WINDS WITHIN 300 NM OF CENTER. SEAS 12 FT OR GREATER OVER 
FORECAST WATERS N OF 29N BETWEEN 44W AND 56W WITH SEAS TO 14 FT.
COLD FRONT FROM 31N47W TO 25N53W TO 20N73.5W. OVER FORECAST 
WATERS N OF 29N E OF FRONT TO 39W S TO SW WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT. ELSEWHERE N OF A LINE FROM 31N38W TO 24N50W TO 
31N66W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR WELL N OF 
AREA NEAR 48.2N 38.7W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 
KT. SEAS 12 FT AND GREATER N OF AREA. COLD FRONT FROM 31N40W TO 
22N50W TO 21N70W. N OF 25N W OF FRONT TO 59W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN PRIMARILY NW SWELL.  
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 55.2N 
24.3W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 61.0N 
12.0W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST...MERGED WITH LARGER EXTRATROPICAL LOW.

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 E OF A LINE FROM 31N47W TO 26N45W TO 17.5N35W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN MIXED NE AND E SWELL.
.24 HOUR FORECAST FROM 17N TO 24N E OF 38W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NE SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO 30 HOUR FORECAST N OF 24N W OF 86W S WINDS 20 TO 
25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 30N89.5W TO 22N96.5W TO 
19.5N96W. N OF 27N E OF FRONT S TO SW WINDS 20 TO 30 KT. SEAS 8 
TO 10 FT. S OF 24.5N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS 
TO 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.