000
FZNT02 KNHC 100302
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC TUE OCT 10 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC TUE OCT 10.
24 HOUR FORECAST VALID 0000 UTC WED OCT 11.
48 HOUR FORECAST VALID 0000 UTC THU OCT 12.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM OPHELIA NEAR 32.3N 39.0W 1002 MB AT 0300 UTC OCT 
10 MOVING NE OR 040 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE 
QUADRANTS...90 NM NE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 60 NM E SEMICIRCLE...0 NM SW QUADRANT AND 40 
NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 210 NM NW 
AND 120 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER WATERS N OF 29N BETWEEN 38W AND 42W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN NE SWELL.
.24 HOUR FORECAST TROPICAL STORM OPHELIA NEAR 32.0N 38.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM S SEMICIRCLE...70 NM NE QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER...EXCEPT 
30 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 210 NM NW 
AND 150 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER WATERS N OF 28N BETWEEN 37W AND 43W WINDS 20 KT 
OR LESS. SEAS TO 9 FT IN NE MIXED NE AND NW SWELL.
.48 HOUR FORECAST TROPICAL STORM OPHELIA NEAR 30.4N 37.5W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NE AND SW QUADRANTS...AND 70 NM SE AND NW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 90 NM E SEMICIRCLE AND 
NW QUADRANT AND 60 NM SW QUADRANT OF CENTER WITH SEAS TO 22 FT.
ELSEWHERE WITHIN 240 NM NW AND 180 NM SE SEMICIRCLES OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER WATERS N OF 26N E 
OF 43W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED NE AND NW 
SWELL.
.72 HOUR FORECAST HURRICANE OPHELIA NEAR 30.8N 35.5W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE OPHELIA N OF AREA NEAR 32.5N 32.0W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM OPHELIA WELL N OF AREA NEAR 
34.5N 26.5W. 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 TROUGH ALONG 52W FROM 11N TO 18N. TROUGH WILL WEAKEN 
THROUGH NEXT 18 HOURS. FROM 13N TO 18N E OF TROUGH TO 48W SE 
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.18 HOUR FORECAST TROUGH TO REFORM FROM 27N63W TO 19N68W. FROM 
FROM 21N TO 26N E OF TROUGH TO 57W E TO SE WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT. FROM 24N TO 27N W OF TROUGH TO 69W NE TO E 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST TROUGH FROM 28N64W TO 19N69W. FROM FROM 22N TO 
28N E OF TROUGH TO 64W AND ALSO FROM 23N TO 26N BETWEEN 61W AND 
64W E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. FROM 24N TO 27N W OF 
TROUGH TO 73W NE TO E WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST WEAKENING TROUGH FROM 29N66W TO 24N70W TO 
20N74W. FROM 25N TO 30N E OF TROUGH TO 63W E TO SE WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT. WITHIN 60 NM EITHER SIDE OF LINE FROM 
29N66W TO 26N74W NE TO E WINDS 20 TO 25 KT. SEAS 9 FT. ELSEWHERE 
FROM 24N TO 30N BETWEEN 61W AND 75W WINDS 20 KT OR LESS. SEAS TO 
9 FT IN NE TO E SWELL.

.ATLC 18 HOUR FORECAST TROPICAL WAVE ALONG 38W S OF 15N. E OF 
WAVE FROM 10N TO 15N E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL WAVE ALONG 39W S OF 15N. LITTLE 
CHANGE IN WINDS AND SEAS.
.48 HOUR FORECAST TROPICAL WAVE ALONG 46W S OF 15N. WITHIN 180 
NM E OF WAVE FROM 10N TO 15N E TO SE WINDS 20 TO 25 KT. SEAS 8 
TO 12 FT IN MIXED NE AND SE SWELL. WITHIN 120 NM W OF WAVE FROM 
10N TO 15N NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN MIXED 
NE AND SE SWELL.

.ATLC FROM 22N TO 30N BETWEEN 56W AND 60W NE TO E WINDS 20 TO 25 
KT. SEAS 8 FT.
.24 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE IN ASSOCIATION
WITH TROUGH.

.GULF OF MEXICO 36 HOUR FORECAST FROM 22N TO 24N W OF 96W N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST FROM 20N TO 24N W OF 96W NW TO N WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.