000
FZNT02 KNHC 112138
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 11.
24 HOUR FORECAST VALID 1800 UTC THU OCT 12.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 13.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OPHELIA NEAR 30.0N 36.1W 990 MB AT 2100 UTC OCT 11
MOVING E OR 090 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS
80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE
QUADRANTS...40 NM NE QUADRANT AND 60 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 80 NM E SEMICIRCLE...90 NM SW QUADRANT AND 60
NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 180 NM NE 
AND 210 SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE OPHELIA NEAR 30.7N 35.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 180 NM NE
AND 120 NM SW SEMICIRCLES WITH SEAS TO 26 FT. ELSEWHERE WITHIN
270 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE OPHELIA NEAR 32.3N 31.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE AND SW QUADRANTS...70 NM NW QUADRANT AND 100 NM 
SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM OF THE CENTER 
WITH SEAS TO 27 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM 
OF THE CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA WITHIN 300 NM OF THE CENTER WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT.
.72 HOUR FORECAST HURRICANE OPHELIA NEAR 35.5N 24.5W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OPHELIA NEAR 43.0N
16.0W. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL OPHELIA NEAR 
53.5N 10.5W. 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 TROUGHS FROM 27N73W TO 21N74W AND FROM 26N63W TO 20N69W. WITHIN
AREA BOUNDED BY 30N76W TO 30N65W TO 25N65W TO 25N76W TO 30N76W
E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC WITHIN TROPICAL WAVE FROM 15N43W TO 07N47W. WITHIN AREA
BOUNDED BY 14N45W TO 14N42W TO 10N42W TO 10N45W TO 14N45W WINDS
20 KT OR LESS. SEAS TO 9 FT IN E SWELL.
.24 HOUR FORECAST TROPICAL WAVE FROM 17N50W TO 09N55W. WINDS 20
KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF MEXICO STATIONARY FRONT FROM 29N92W TO 24N96W TO 18N94W.
S OF 24N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FRONT DISSIPATED. S OF 24N W OF 95W NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST 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 WED OCT 11...

.HURRICANE OPHELIA...NUMEROUS MODERATE TO ISOLATED STRONG WITHIN
90 NM OF CENTER.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.