000
FZNT02 KNHC 122149
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU OCT 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU OCT 12.
24 HOUR FORECAST VALID 1800 UTC FRI OCT 13.
48 HOUR FORECAST VALID 1800 UTC SAT OCT 14.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE OPHELIA NEAR 30.4N 35.5W 973 MB AT 2100 UTC OCT 12
MOVING N OR 360 DEG AT 0 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS
105 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM E SEMICIRCLE AND
60 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN 120 NM W
SEMICIRCLE...180 NM NE QUADRANT AND 150 NM SE QUADRANT WITH SEAS
TO 26 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE OPHELIA NEAR 31.9N 32.6W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE AND SW QUADRANTS...60 NM NW QUADRANT AND 90 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER WITH 
SEAS TO 25 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE OPHELIA NEAR 35.0N 25.6W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM N SEMICIRCLE AND 140 NM S SEMICIRCLE. OVER FORECAST
S OF 31N AND W OF 35W WATERS WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.
.72 HOUR FORECAST HURRICANE OPHELIA NEAR 42.6N 17.1W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OPHELIA NEAR 53.0N
10.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OPHELIA NEAR 
62.5N 2.0W. 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 FROM 13N TO 15N BETWEEN 48W AND 52W WINDS 20 KT OR LESS. 
SEAS 8 FT. 
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT.

.ATLC 48 HOUR FORECAST FROM 29N TO 31N BETWEEN 30W AND 55W WINDS
20 KT OR LESS. SEAS 8 FT.

.CARIBBEAN 36 HOUR FORECAST WITHIN 90 NM OF COAST OF COLOMBIA
BETWEEN 73W AND 76W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO DISSIPATING STATIONARY FRONT FROM 30N86W TO 28N96W
TO 20N94W. S OF 21N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO
8 FT.
.12 HOUR FORECAST FRONT DISSIPATED. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

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

CONVECTION VALID AT 2130 UTC THU OCT 12...

.HURRICANE OPHELIA...SCATTERED MODERATE TO ISOLATED STRONG WITHIN
60 NM OF CENTER.

.TROPICAL WAVE FROM 18N52W TO 10N55W. SCATTERED MODERATE TO
STRONG FROM 10N TO 18N WITHIN 240 NM E OF TROPICAL WAVE.

$$ 

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.