000
FZNT02 KNHC 270357
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT OCT 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT OCT 27.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 28.
48 HOUR FORECAST VALID 0000 UTC MON OCT 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.SUBTROPICAL STORM OSCAR NEAR 26.7N 45.7W 1005 MB AT 0300 UTC 
OCT 27 MOVING NNW OR 330 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 40 
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM E 
SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 150 NM NE QUADRANT... 
60 NM SE QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 14 FT.
ELSEWHERE WITHIN 300 NM NE SEMICIRCLE AND 120 NM SW SEMICIRCLE 
WINDS 20 TO 33 KT.  SEAS 8 TO 12 FT.  WITHIN 300 NM OF THE 
CENTER NUMEROUS SHOWERS AND TSTMS.
.24 HOUR FORECAST TROPICAL STORM OSCAR NEAR 26.6N 50.3W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 60 NM 
SW QUADRANT. SEAS 12 FT OR GREATER 300 NM NE QUADRANT...120 NM 
SW QUADRANT...AND 180 NM IN NW QUADRANT WITH SEAS TO 20 FT. 
ELSEWHERE N OF 24N BETWEEN 42W AND 58W WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM OSCAR TROPICAL CYCLONE NEAR 
25.3N 55.3W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL 
STORM FORCE WINDS WITHIN 100 NM NW AND SE QUADRANTS...130 NM NE 
QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER 240 NM IN 
N SEMICIRCLE...180 NM IN SW QUADRANT...AND 120 NM IN SE QUADRANT 
WITH SEAS TO 25 FT. ELSEWHERE N OF 22N BETWEEN 45W AND 63W WINDS 
20 TO 33 KT.  SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM OSCAR NEAR 26.5N 57.5W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OSCAR NEAR 30.0N 55.5W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM OSCAR NEAR 34.0N 50.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.

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 COLD FRONT FROM 31N81W TO 30N81W TO OVER NE FLORIDA. N OF 
29N BETWEEN 70W AND 80W S TO SW WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N73W TO 26N76W. N OF 30N 
BETWEEN 68W AND 75W WINDS 20 KT OR LESS.  SEAS TO 9 FT IN S 
SWELL.  
.36 HOUR FORECAST WEAKENING COLD FRONT FROM 31N70W TO 23N73W. 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC N OF 27N BETWEEN 52W AND 57W NE WINDS 20 TO 25 KT. SEAS TO 
9 FT. 
.24 HOUR FORECAST CONDITIONS TO MERGE WITH THOSE ASSOCIATED WITH 
SUBTROPICAL STORM OSCAR AS DESCRIBED ABOVE. 

.ATLC 48 HOUR FORECAST N OF 25N E OF 45W E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT.

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

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.