Pacific Ocean Wind and Waves

FZPN02 KWBC 251130
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT MAY 25 2013
CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAY 25. 
24 HOUR FORECAST VALID 0600 UTC MAY 26. 
48 HOUR FORECAST VALID 0600 UTC MAY 27. 
.WARNINGS. 

GALE WARNING
.LOW 51N172W 991 MB MOVING NE 15 KT. WITHIN 300 NM NW AND 
BETWEEN 240 NM AND 540 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS 
TO 12 FT. ELSEWHERE FROM 35N TO 58N BETWEEN 153W AND 179E WINDS 
20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 53N163W 992 MB. EXCEPT FROM 50N TO 54N 
BETWEEN 151W AND 165W...WITHIN 360 NM EITHER SIDE OF A LINE TO 
EXTEND FROM 59N177W TO 45N141W WINDS 25 TO 35 KT. SEAS TO 11 FT. 
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 57N171W 997 MB 
AND SECOND CENTER 54N151W 995 MB. WITHIN 240 NM N SEMICIRCLE OF 
SECOND CENTER WINDS 25 TO 35 KT. SEAS 8 TO 12 FT. ELSEWHERE 
WITHIN 300 NM SW SEMICIRCLE OF FIRST CENTER AND WITHIN 420 NM 
NE...BETWEEN 240 NM AND 600 NM E...BETWEEN 300 NM AND 1140 NM SE 
AND BETWEEN 180 NM AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT. 
SEAS TO 11 FT.

GALE WARNING
.LOW 39N163E 1004 MB MOVING E 20 KT. WITHIN 240 NM NW SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW 39N173E 1007 MB. WITHIN 420 NM W QUADRANT 
WINDS 25 TO 35 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST LOW DISSIPATED. FROM 35N TO 43N BETWEEN 172E 
TO 178W WINDS TO 25 KT. SEAS TO 8 FT.
.SYNOPSIS AND FORECAST. 
.FROM 32N TO 42N BETWEEN 120W AND 126W AREA OF NW WINDS TO 25 
KT. SEAS TO 12 FT WITH NW SWELL. 
.24 HOUR FORECAST FROM 33N TO 38N BETWEEN 121W AND 124W AREA OF 
NW WINDS TO 25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST FROM 30N TO 38N BETWEEN 118W AND 124W AREA OF 
NW WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.LOW 33N175E 1009 MB MOVING NE 30 KT. SE OF A FRONT EXTENDING 
FROM 35N177W TO THE LOW WINDS TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW 38N167W 1014 MB. WITHIN 300 NM S AND 420 
NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N151W 
NOTED ABOVE. 
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 36N TO 53N 
BETWEEN 145W AND 170W...FROM 42N TO 47N BETWEEN 130W AND 138W 
AND FROM 30N TO 33N BETWEEN 170W AND 175E.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 54N BETWEEN 140W AND 
158W...FROM 31N TO 40N BETWEEN 159W AND 180W AND FROM 38N TO 40N 
BETWEEN 125W AND 130W. 
.48 HOUR FORECAST DENSE FOG FROM 37N TO 51N BETWEEN 128W AND 
140W AND FROM 36N TO 42N BETWEEN 150W AND 167W. 
.HIGH 51N142W 1021 MB MOVING SE 20 KT. 
.24 HOUR FORECAST HIGH 47N130W 1018 MB. 
.48 HOUR FORECAST HIGH DISSIPATED. 
.HIGH 36N144W 1030 MB MOVING SE 10 KT. 
.24 HOUR FORECAST HIGH 33N139W 1029 MB. 
.48 HOUR FORECAST HIGH 32N137W 1030 MB. 
.HIGH 50N165E 1018 MB MOVING SE 10 KT. 
.24 HOUR FORECAST HIGH DISSIPATED. 
.48 HOUR FORECAST HIGH 38N160E 1030 MB.
.FORECASTER LEE. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.
SYNOPSIS VALID 0600 UTC SAT MAY 25.
24 HOUR FORECAST VALID 0600 UTC SUN MAY 26.
48 HOUR FORECAST VALID 0600 UTC MON MAY 27.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.N OF 15N W OF 115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
TO N SWELL.
.24 HOUR FORECAST FROM 10N TO 20N W OF 129W WINDS 20 KT OR LESS. 
SEAS TO 9 FT PRIMARILY IN NW SWELL. 
.48 HOUR FORECAST FROM 10N TO 17N W OF 132W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED N AND NE SWELL.

30 HOUR FORECAST FROM 10N TO 12N E OF 90W
INCLUDING GULF OF 
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.36 HOUR FORECAST FROM 10N TO 12N E OF 95W WINDS 20 KT OR LESS. 
SEAS 8 FT IN E SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

30 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W
INCLUDING THE 
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.42 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 0900 UTC SAT MAY 25... 

LOW PRES NEAR 09N88W 1009 MB
SCATTERED MODERATE ISOLATED 
STRONG WITHIN 90 NM N SEMICIRCLE.

LOW PRES NEAR 10N97W 1010 MB
SCATTERED MODERATE ISOLATED 
STRONG WITHIN 60 AND 150 NM NW SEMICIRCLE.

LOW PRES NEAR 11N107W 1009 MB
SCATTERED MODERATE WITHIN 60 NM 
N SEMICIRCLE AND 45 NM S SEMICIRCLE.
.SCATTERED MODERATE TO STRONG FROM 11N TO 13N BETWEEN 88W AND 
91W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO LOW PRES NEAR 09N88W 
1009 MB TO LOW PRES NEAR 10N97W 1010 MB TO LOW PRES NEAR 11N107W 
1009 MB TO 08N122W. ITCZ AXIS EXTENDS FROM 08N122W TO 08N140W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM S OF AXIS 
BETWEEN 90W AND 94W...FROM 08N TO 10N BETWEEN 108W AND 114W... 
AND FROM 08N TO 10N BETWEEN 119W AND 123W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC MAY 25 2013.
24 HOUR FORECAST VALID 0600 UTC MAY 26 2013.
48 HOUR FORECAST VALID 0600 UTC MAY 27 2013.
.WARNINGS. 
.NONE. 
.SYNOPSIS AND FORECAST. 
.FRONT FROM 30N171E TO 27N165E TO 24N160E MOVING E 12 KT. 
SCATTERED TSTMS ALONG FRONT. 
.24 HOUR FORECAST FRONT FROM 30N178E TO 24N166E TO 23N160E. 
.48 HOUR FORECAST FRONT FROM 30N177W TO 25N170E TO 23N160E. NE 
WINDS 20 TO 25 KT N OF FRONT. 
.WEAK DISSIPATING FRONT FROM 30N163E TO 28N160E MOVING E 15 KT. 
.12 HOUR FORECAST FRONT DISSIPATED. 
.TROUGH FROM 11N140W TO 03N153W MOVING W 12 KT. 
.24 HOUR FORECAST TROUGH FROM 10N145W TO 02N159W. 
.48 HOUR FORECAST TROUGH FROM 10N150W TO 03N163W. 
.TROUGH FROM 30N158W TO 24N157W MOVING W NEAR 10 KT. 
.24 HOUR FORECAST TROUGH DISSIPATED. 
.TROUGH FROM 26N165W TO 21N167W MOVING WNW NEAR 10 KT. 
.24 HOUR FORECAST TROUGH DISSIPATED. 
.RIDGE FROM 28N170W TO 20N160E NE 15 KT. 
.48 HOUR FORECAST E WINDS 20 TO 25 KT BETWEEN 20N AND 10N E OF 
157W. 
.OTHERWISE WINDS 20 KT OR LESS. 
.SEAS 6 TO 10 FT N OF 10N E OF 153W. 
.24 HOUR FORECAST SEAS 7 TO 9 FT BETWEEN 24N AND 10N E OF 154W. 
.48 HOUR FORECAST SEAS 8 TO 9 FT BETWEEN 20N AND 10N E OF 154W. 
.OTHERWISE SEAS 8 FT OR LESS. 
.FORECASTER LAU. HONOLULU HI.

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