000
FZNT02 KNHC 270915
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT OCT 27.
24 HOUR FORECAST VALID 0600 UTC SUN OCT 28.
48 HOUR FORECAST VALID 0600 UTC MON OCT 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.SUBTROPICAL STORM OSCAR NEAR 27.3N 47.0W 998 MB AT 0900 UTC OCT 
27 MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NW AND SE 
QUADRANTS AND 100 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 
210 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW QUADRANT...AND 
180 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 300 NM N 
SEMICIRCLE AND 120 NM S 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 26.2N 52.0W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER EXTEND 
300 NM NE QUADRANT...120 NM SW QUADRANT...AND 180 NM IN NW 
QUADRANT WITH SEAS TO 22 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 NEAR 25.9N 56.6W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 40 NM 
SW QUADRANT.  SEAS 12 FT OR GREATER EXTEND 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 HURRICANE OSCAR NEAR 28.4N 57.4W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OSCAR NEAR 35.0N 52.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR NEAR 45.0N 
39.0W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 31N72W TO 27N81W THEN TO OVER S 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 25N75W TO 26N76W. WINDS 20 KT 
OR WEAKER.  WINDS 20 KT OR LESS ND SEAS LESS THAN 8 FT.

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

.ATLC 42 HOUR FORECAST N OF 25N E OF 45W E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT.
.24 OUR FORECAST CONDITIONS

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

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.