000
FZNT02 KNHC 311003
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED OCT 31.
24 HOUR FORECAST VALID 0600 UTC THU NOV 01.
48 HOUR FORECAST VALID 0600 UTC FRI NOV 02.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.HURRICANE OSCAR NEAR 34.1N 53.6W 982 MB AT 0900 UTC OCT 31 
MOVING NE OR 035 DEG AT 19 KT. MAXIMUM SUSTAINED WINDS 65 KT 
GUSTS 80 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 420 NM W SEMICIRCLE...270 NM NE QUADRANT 
AND 330 NM SE QUADRANT WITH SEAS TO 34 FT. ELSEWHERE OVER 
FORECAST WATERS N OF LINE FROM 30N40W TO 24N55W TO 31N67W WINDS 
20 TO 33 KT. SEAS 8 TO 14 FT. REMAINDER OF AREA N OF LINE FROM 
26N46W TO 24N56W TO 27N72W TO 31N73W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN MIXED SWELL. 
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 42.2N 
47.1W. 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 30N BETWEEN 42W AND 51W WITH SEAS TO 13 FT.
COLD FRONT FROM 31N45W TO 23.5N53W TO 21N75W. OVER FORECAST 
WATERS N OF 28.5N E OF FRONT TO 38W S TO SW WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT. ELSEWHERE N OF LINE FROM 31N38W TO 25N47W TO 
31N63W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 49.7N 
36.4W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM 
FORCE WINDS WITHIN 330 NM OF CENTER EXCEPT 360 NM SW QUADRANT.
COLD FRONT FROM 31N38W TO 25N43W TO 20.5N56W. W OF FRONT TO 59W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN PRIMARILY NW SWELL... 
HIGHEST NEAR 31N50W.  
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 56.0N 
23.0W. 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 61.5N 
10.5W. 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.

.ATLC E OF LINE FROM 31N46W TO 26N44W TO 16N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN MIXED NE AND E SWELL.
.24 HOUR FORECAST FROM 13N TO 21N E OF 40W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN NE SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.GULF OF MEXICO 24 HOUR FORECAST N OF LINE FROM 21.5N97.5W TO 
27N86W S WINDS 20 TO 25 KT. SEAS TO 8 FT NW PART.
.36 HOUR FORECAST COLD FRONT FROM 30N90W TO 21N97W. N OF 26N E 
OF FRONT TO 84W S TO SW WINDS 20 TO 30 KT. SEAS TO 10 FT. W OF 
FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT. NUMEROUS TSTMS N 
OF 26N WITHIN 200 NM E OF FRONT.
.48 HOUR FORECAST COLD FRONT FROM 30N88W TO 20.5N95.5W TO 
18N95W. N OF 25N E OF FRONT TO 84W S TO SW WINDS 20 TO 30 KT. 
SEAS TO 9 FT. W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.

.CARIBBEAN 48 HOUR FORECAST S OF 14.5N BETWEEN 69W AND 76W E 
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.