000
FZPN03 KNHC 172154
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 17.
24 HOUR FORECAST VALID 1800 UTC THU AUG 18.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 19.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GREG AT 17.1N 106.5W 994 MB AT 2100 UTC AUG 17 
MOVING W-NW OR 290 DEG AT 20 KT.  MAXIMUM SUSTAINED WIND 55 
GUSTS 65 KT.  TROPICAL STORM FORCE WIND WITHIN 45 NM NW AND SE 
QUADRANTS...60 NM NE QUADRANT AND 30 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 60 NM NE QUADRANT AND 45 NM NW QUADRANT WITH 
SEAS TO 16 FT.
.12 HOUR FORECAST  HURRICANE GREG NEAR 17.9N 109.0W.  MAXIMUM 
SUSTAINED WIND 65 GUSTS 80 KT.
.24 HOUR FORECAST  HURRICANE GREG NEAR 18.5N 111.8W.  MAXIMUM 
SUSTAINED WINDS 75 GUSTS 90 KT.  TROPICAL STORM FORCE WINDS 
WITHIN 110 NM N SEMICIRCLE...90 NM SE QUADRANT AND 75 NM SW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 20 FT.
.48 HOUR FORECAST  HURRICANE GREG NEAR 19.2N 115.6W.  MAXIMUM 
SUSTAINED WIND 75 GUSTS 90 KT.  LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST  TROPICAL STORM GREG NEAR 19.5N 118.5W.  
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM GREG NEAR 20.0N 121.5W.  
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.
.120 HOUR FORECAST  TROPICAL DEPRESSION GREG NEAR 20.0N 123.5W. 
MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM FERNANDA AT 12.1N 138.2W 1001 MB AT 2100 UTC AUG 
17 MOVING W-NW OR 290 DEG AT 7 KT.  MAXIMUM SUSTAINED WIND 45 
GUSTS 55 KT. TROPICAL STORM FORCE WIND WITHIN 60 NM N SEMICIRCLE 
...50 NM SE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12 FT OR 
GREATER WITHIN 75 NM N SEMICIRCLE AND 60 NM S SEMICIRCLE WITH 
SEAS TO 16 FT.
.24 HOUR FORECAST  TROPICAL STORM FERNANDA NEAR 13.6N 141.1W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.  TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 
50 NM SW QUADRANT.  SEAS 12 FT OR GREATER 90 NM NW...75 NM NE 
QUADRANTS AND 60 NM S SEMICIRCLE WITH SEAS TO 18 FT.
.48 HOUR FORECAST  TROPICAL DEPRESSION FERNANDA NEAR 15.1N 
144.7W.  MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.  SEAS 12 FT OR 
GREATER 120 NM N AND 60 NM S SEMICIRCLES WITH SEAS TO 20 FT.
.72 HOUR FORECAST  POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.0N 
148.6W.  MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.6N 
153.0W.  MAXIMUM SUSTAINED WIND 20 GUSTS 30 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  LITTLE CHANGE.
.30 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. 
.12 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.