000
FZPN03 KNHC 180303
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 18 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 0000 UTC THU AUG 18.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 19.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GREG AT 17.5N 108.3W 987 MB AT 0300 UTC AUG 18 MOVING 
W-NW OR 285 DEG AT 19 KT.  MAXIMUM SUSTAINED WIND 65 GUSTS 80 
KT.  TROPICAL STORM FORCE WIND WITHIN 70 NM N SEMICIRCLE...60 
NM SE QUADRANT AND 45 NM SW QUADRANT.  SEAS 12 FT OR GREATER 
WITHIN 30 NM S SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW 
QUADRANT WITH SEAS TO 19 FT.
.24 HOUR FORECAST  HURRICANE GREG NEAR 18.6N 113.4W.  MAXIMUM 
SUSTAINED WIND 85 GUSTS 105 KT.  TROPICAL STORM FORCE WIND 
WITHIN 110 NM N SEMICIRCLE...90 NM SE QUADRANT AND 75 NM SW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN AREAS OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 22 FT.
.48 HOUR FORECAST  HURRICANE GREG NEAR 19.0N 117.5W.  MAXIMUM 
SUSTAINED WIND 65 GUSTS 80 KT.  LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST  TROPICAL STORM GREG NEAR 19.0N 120.0W.  
MAXIMUM SUSTAINED WIND 50 GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM GREG NEAR 19.0N 122.5W. MAXIMUM
SUSTAINED WIND 35 GUSTS 45 KT.
.120 HOUR FORECAST  POST-TROPICAL REMNANT LOW GREG NEAR 19.0N 
124.5W.  MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM FERNANDA AT 12.6N 139.2W 997 MB AT 0300 UTC AUG 
18 MOVING W-NW OR 295 DEG AT 8 KT.  MAXIMUM SUSTAINED WIND 50 
GUSTS 60 KT.  TROPICAL STORM FORCE WIND WITHIN 70 NM NE QUADRANT 
...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 75 NM N SEMICIRCLE AND 
60 NM S SEMICIRCLE WITH SEAS TO 19 FT.
.24 HOUR FORECAST  TROPICAL STORM FERNANDA NEAR 14.1N 142.0W. 
MAXIMUM SUSTAINED WIND 50 GUSTS 60 KT.  LITTLE CHANGE IN RADIUS 
OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST  TROPICAL STORM FERNANDA NEAR 15.4N 145.8W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.  TROPICAL STORM FORCE 
WINDS WITHIN 20 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW 
QUADRANT.  LITTLE CHANGE IN RADIUS OF SEAS 12 FT OR GREATER WITH 
SEAS TO 16 FT.
.72 HOUR FORECAST  TROPICAL STORM FERNANDA NEAR 16.5N 150.0W. 
MAXIMUM SUSTAINED WIND 35 GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  POST-TROPICAL REMNANT LOW FERNANDA NEAR 17.0N 
154.0W. MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GREG WARNING...WITHIN 150 NM N AND 60 NM S 
SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT. 
.24 HOUR FORECAST  EXCEPT AS NOTED IN GREG WARNING...WITHIN 180 
NM N AND 90 NM S SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT. 
.48 HOUR FORECAST  EXCEPT AS NOTED IN GREG WARNING...WITHIN 210 
NM N AND 120 NM S SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 12 FT. 

.EXCEPT AS NOTED IN FERNANDA WARNING...WITHIN 270 NM NW AND 210 
NM SE SEMICIRCLES  WINDS TO 33 KT.  SEAS TO 10 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN FERNANDA WARNING...OVER 
FORECAST WATERS WITHIN 270 NM NW AND 180 NM SE SEMICIRCLES  
WINDS TO 33 KT.  SEAS TO 12 FT.
.48 HOUR FORECAST  EXCEPT AS NOTED IN FERNANDA WARNING...OVER 
FORECAST WATERS WITHIN 300 NM N AND 180 NM S SEMICIRCLES  WINDS 
TO 33 KT.  SEAS 8 TO 12 FT.

.LOW PRES 14N116W 1008 MB.  WITHIN 360 NM SE AND 210 NM NW 
SEMICIRCLES  WINDS 20 KT.  SEAS TO 10 FT IN SW SWELL.
.24 HOUR FORECAST  LOW PRES 14N120W 1008 MB.  FROM 08N TO 14N 
BETWEEN 109W AND 121W  S TO SW WINDS 20 TO 25 KT.  SEAS TO 11 FT.
.48 HOUR FORECAST  LOW PRES DISSIPATING NEAR 12N125W.  WITHIN 
120 NM NW AND 300 NM SE SEMICIRCLES  WINDS 20 KT. SEAS TO 11 FT. 
ELSEWHERE FROM 14N TO 21N BETWEEN 108W AND 116W  SW WINDS 20 TO 
25 KT.  SEAS TO 10 FT.  

.FROM 09N TO 12N E OF 89W  NE WINDS 20 KT.  SEAS LESS THAN 8 FT.
.24 HOUR FORECAST  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT. 

.FROM 94W TO 96W N OF 14N  N WINDS 20 KT.  SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT. 

.ELSEWHERE S OF 16N FROM 100W TO 115W  WINDS LESS THAN 20 KT. 
SEAS TO 8 FT IN S SWELL.
.24 HOUR FORECAST  ELSEWHERE FROM 08N TO 21N BETWEEN 105W AND 
122W  WINDS LESS THAN 20 KT.  SEAS TO 8 FT IN S SWELL.
.48 HOUR FORECAST  ELSEWHERE S OF 20N BETWEEN 110W AND 125W  
WINDS LESS THAN 20 KT.  SEAS TO 8 FT IN S SWELL.
 
.REMAINDER OF AREA  WINDS LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

CONVECTION VALID AS OF 2100 UTC WED AUG 17...
.TROPICAL STORM FERNANDA...SCATTERED MODERATE WITHIN 120 NM E 
AND 90 NM W SEMICIRCLES.

.TROPICAL STORM GREG...SCATTERED TO NUMEROUS STRONG WITHIN 180 
NM OF CENTER. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 13N94W...THEN RESUMES FROM 16N112W 
TO LOW PRES 1008 MB AT 14N116W TO 10N124W TO 13N130W.  SCATTERED 
MODERATE ISOLATED STRONG WITHIN 210 NM S OF AXIS FROM 117W TO 
131W.

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.