NOAA>NWS>NCEP>OPC>N Pacific High Seas Forecast

                   
                     
290 
FZPN01 KWBC 250338
HSFEP1

HIGH SEAS FORECAST 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
0545 UTC FRI JUL 25 2008 

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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. 

SECURITE 

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 
50N 160E 

SYNOPSIS VALID 0000 UTC JUL 25. 
24 HOUR FORECAST VALID 0000 UTC JUL 26. 
48 HOUR FORECAST VALID 0000 UTC JUL 27. 

.WARNINGS. 

...GALE WARNING...
.LOW 58N148W 996 MB MOVING SE 10 KT. FRONT EXTENDS FROM 59N147W 
TO 58N143W TO 44N136W. OVER WATERS WITHIN 240 NM N SEMICIRCLE 
AND WITHIN 240 NM E OF THE FRONT N OF 52N WINDS 25 TO 35 KT. 
SEAS 8 TO 14 FT. ELSEWHERE WITHIN 840 NM SW AND 480 NM W 
QUADRANTS AND WITHIN 300 NM E OF THE FRONT WINDS 20 TO 30 KT. 
SEAS TO 10 FT.
.24 HOUR FORECAST LOW 56N143W 998 MB. WITHIN 420 NM OF LOW 
EXCEPT 180 NM E QUADRANT AND WITHIN 120 NM OF A LINE FROM 
55N134W TO 48N130W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 56N141W 1002 MB. WITHIN 300 NM OF LOW 
EXCEPT 180 NM NW QUADRANT WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST LOW 42N161E 1004 MB. WITHIN 300 NM S OF A LINE 
FROM 43N171E TO 40N160E WINDS 25 TO 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 51N173E 1000 MB. FRONT TO EXTEND FROM LOW 
TO 37N160E. WITHIN 600 NM SE SEMICIRCLE AND WITHIN 300 NM S OF 
THE FRONT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

...ASHFALL ADVISORY... 
.OKMOK VOLCANO ABOUT 65 NM SW OF DUTCH HARBOR CONTINUES VOLCANIC 
ASH EMISSIONS. ASH MAY BE REACHING THE SURFACE WITHIN AN AREA 
BOUNDED BY 54N165W TO 53N164W TO 52N167W TO 53N168W TO 
54N165W...MOVING SE 35 KT.

.SYNOPSIS AND FORECAST. 

.FROM 43N TO 32N E OF 128W AREA OF N TO NW WINDS 20 TO 30 KT. 
SEAS TO 12 FT.
.24 HOUR FORECAST FROM 41N TO 32N E OF 127W AREA OF N TO NW 
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST FROM 41N TO 32N E OF 127W AREA OF N TO NW 
WINDS 20 TO 30 KT. SEAS TO 11 FT.

.LOW NW OF AREA NEAR 66N178W 1006 MB MOVING NE 20 KT. OVER 
FORECAST WATERS WITHIN 360 NM SE QUADRANT WINDS TO 25 KT. SEAS 
LESS THAN 8 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL N OF AREA.

.LOW 44N172E 1012 MB MOVING NE 20 KT. WITHIN 240 NM E OF A LINE 
FROM 49N177E TO 36N165E WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 49N178E 1007 MB. WITHIN 360 NM E OF A LINE 
FROM LOW CENTER TO 42N170E WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH 
LOW 51N173E ABOVE. 

.OVER FORECAST WATERS S OF 33N BETWEEN 180W AND 170W AREA OF E 
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST S OF 36N BETWEEN 150W AND 160W AREA OF E TO NE 
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST S OF 35N BETWEEN 150W AND 165W AREA OF E WINDS 
TO 25 KT. SEAS TO 9 FT.

.FROM 53N TO 44N BETWEEN 150W AND 177E AREAS OF DENSE FOG 
OCCASIONALLY REDUCING VSBY BELOW 1 NM. 
.24 HOUR FORECAST FROM 52N TO 40N BETWEEN 150W AND 177E AREAS OF 
DENSE FOG OCCASIONALLY REDUCING VSBY BELOW 1 NM. 
.48 HOUR FORECAST FROM 54N TO 43N BETWEEN 150W AND 180W AREAS OF 
DENSE FOG OCCASIONALLY REDUCING VSBY BELOW 1 NM. 

.HIGH 35N137W 1025 MB MOVING W 10 KT.
.24 HOUR FORECAST HIGH 35N141W 1025 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 40N163W 1033 MB NEARLY STATIONARY.
.24 HOUR FORECAST HIGH 40N162W 1034 MB.
.48 HOUR FORECAST HIGH 39N160W 1033 MB.

.HIGH 56N168W 1023 MB MOVING E 05 KT. 
.24 HOUR FORECAST HIGH 56N164W 1018 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.HIGH 52N166E 1017 MB MOVING NE 15 KT.
.24 HOUR FORECAST HIGH 56N173E 1016 MB.
.48 HOUR FORECAST HIGH NW OF AREA NEAR 56N170E 1015 MB.

.48 HOUR FORECAST HIGH 60N175W 1016 MB. 

.FORECASTER COLLINS. OCEAN PREDICTION CENTER.

TROPICAL PREDICTION CENTER MIAMI FL
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 0000 UTC FRI JUL 25.
24 HOUR FORECAST VALID 0000 UTC SAT JUL 26.
48 HOUR FORECAST VALID 0000 UTC SUN JUL 27.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GENEVIEVE NEAR 15.8N 113.8W 997 MB AT 0300 UTC
JUL 25 MOVING WNW OR 285 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50
KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 45 NM OF
CENTER.  SEAS 12 FT OR GREATER WITHIN 90 NM N SEMICIRCLE...30 NM
SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS TO 19 FT.
.24 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 16.3N 116.8W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM OF CENTER EXCEPT 45 NM SW QUADRANT. LITTLE 
CHANGE IN RADIUS OF SEAS 12 FT OR GREATER. HIGHEST SEAS TO 21 FT.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 17.1N 121.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM OF CENTER EXCEPT 40 NM SW QUADRANT. SEAS 12 
FT OR GREATER 90 NM NE QUADRANT...30 NM SE QUADRANT AND 60 NM W 
SEMICIRCLE WITH SEAS TO 19 FT.
.72 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 18.0N 125.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 18.5N 128.5W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST REMNANT LOW GENEVIEVE NEAR 18.5N 132.0W. 
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 25 KT.


.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GENEVIEVE WARNINGS...WITHIN 200 NM N AND 140 
NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 200 NM N 
AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 180 NM N 
AND 130 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.N OF 24N BETWEEN 129W AND 135W WINDS TO 20 KT. SEAS TO 9 FT IN 
NE SWELL. 
.24 HOUR FORECAST FROM 24N TO 27N BETWEEN 132W AND 138W WINDS TO 
20 KT. SEAS TO 9 FT IN NE SWELL.
.36 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS 8 FT OR LESS.

.S OF LINE FROM 00N93W TO 06N112W TO 00N127W S WINDS TO 20 KT. 
SEAS TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF 06N BETWEEN 93W AND 124W WINDS LESS THAN 
20 KT. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST S OF LINE FROM 00N93W TO 06N107W TO 00N127W S 
WINDS TO 20 KT. SEAS TO 9 FT IN SW SWELL.

.06 HOUR FORECAST FROM 10N TO 12N E OF 92W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 10N TO 11N E OF 92W...INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS TO 20 KT. SEAS TO 9 FT.

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

.CONVECTION VALID 0200 UTC THU JUL 24.

.TROPICAL STORM GENEVIEVE...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 120 NM WITH NUMEROUS STRONG WITHIN 100 NM IN NW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 08N80W TO 08N97W TO 
11N110W TO 12N 120W TO 08N140W.  SCATTERED MODERATE/ISOLATED 
STRONG WITHIN 200 NM.

$$
.FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.