000
FZNT02 KNHC 272217
HSFAT2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT OCT 27.
24 HOUR FORECAST VALID 1800 UTC SUN OCT 28.
48 HOUR FORECAST VALID 1800 UTC MON OCT 29.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.SUBTROPICAL STORM OSCAR NEAR 26.9N 50.7W 995 MB AT 2100 UTC OCT 
27 MOVING W OR 265 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE 
QUADRANT...70 NM SE QUADRANT...30 NM SW QUADRANT...AND 180 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM S SEMICIRCLE...330 
NM NE QUADRANT AND 240 NM NW QUADRANT WITH SEAS TO 22 FT.
ELSEWHERE WITHIN 300 NM N SEMICIRCLE...EXCEPT 360 NE QUADRANT 
AND 120 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. N OF 
26N BETWEEN 40W AND 45W AND ALSO N OF 29N E OF 40W NE TO E WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. FROM 23N TO 25N BETWEEN 53W AND 
54W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. NUMEROUS 
SQUALLS AND TSTMS WITHIN 60 NM OF CENTER...EXCEPT 90 NM SE 
QUADRANT AND 30 NM N QUADRANT OF CENTER.
.24 HOUR FORECAST TROPICAL STORM OSCAR NEAR 25.7N 55.8W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM OF CENTER EXCEPT 50 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 270 NM NE QUADRANT...90 NM SE QUADRANT...120 NM 
SW QUADRANT...AND 180 NM NW QUADRANT WITH SEAS TO 24 FT. 
ELSEWHERE WITHIN 300 NM NE QUADRANT...150 NM SE QUADRANT...120 
NM SW QUADRANT AND 240 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 9 
TO 14 FT. FROM 22N TO 24N BETWEEN 50W AND 60W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NE SWELL. 
.48 HOUR FORECAST TROPICAL STORM OSCAR NEAR 26.4N 59.1W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NE QUADRANT...110 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM NE SEMICIRCLE AND 180 NM SW SEMICIRCLE WITH SEAS TO 26 
FT. ELSEWHERE N OF 23N BETWEEN 53W AND 63W WINDS 20 TO 33 KT. 
SEAS 9 TO 12 FT. FROM 20N TO 23N BETWEEN 58W AND 66W WINDS 20 KT 
OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.72 HOUR FORECAST HURRICANE OSCAR NEAR 30.6N 57.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OSCAR N OF AREA NEAR 38.5N 50.0W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OSCAR WELL N OF 
AREA NEAR 46.5N 38.0W. 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 31N73W TO 25N80W. N OF 29N BETWEEN 66W AND 
73W S TO SW WINDS 20 TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST WEAKENING COLD FRONT FROM 31N71W TO 23N80W. 
WINDS 20 KT 20 KT OR LESS AND SEAS LESS THAN 8 FT.

.ATLC 24 HOUR FORECAST N OF 25N E OF 51W NE TO E WINDS 20 TO 25 
KT...EXCEPT E TO SE WINDS BETWEEN 44W AND 51W. SEAS 8 TO 11 FT.
.48 HOUR FORECAST N OF 25W BETWEEN 44W AND 53W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 11 FT. N OF 24N E OF 44W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NE SWELL.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.