FZPN02 KWBC 131125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC WED AUG 13 2025 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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. ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE NATIONAL WEATHER SERVICE. EMAIL US AT VOSOPS@NOAA.GOV(LOWERCASE). FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). SECURITE PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 50N 160E ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC AUG 13. 24 HOUR FORECAST VALID 0600 UTC AUG 14. 48 HOUR FORECAST VALID 0600 UTC AUG 15. .WARNINGS. ...GALE WARNING... .POST-TROPICAL CYCLONE HENRIETTE NEAR 36.7N 165.6W 1008 MB AT 0900 UTC AUG 13 MOVING NW OR 325 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...30 NM SE QUADRANT...AND 0 NM W SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 130 NM NE QUADRANT AND 80 NM SE QUADRANT...AND 50 NM W SEMICIRCLE WITH SEAS TO 8 M. ELSEWHERE FROM 33N TO 38N BETWEEN 162W AND 168W WINDS 20 TO 33 KT. SEAS TO 4 M. .24 HOUR FORECAST POST-TROPICAL CYCLONE HENRIETTE NEAR 41.0N 168.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM E SEMICIRCLE WINDS TO 25 KT. SEAS TO 4 M. .48 HOUR FORECAST POST-TROPICAL CYCLONE HENRIETTE NEAR 43.8N 166.8W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT. SEAS LESS THAN 2.5 M. ...GALE WARNING... .COMPLEX LOW WITH MAIN CENTER 54N163W 1007 MB MOVING NE 20 KT THEN TURNING MORE SE AFTER 24 HOURS. WITHIN 540 NM S AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST NEAR 50N163W. .24 HOUR FORECAST COMBINED LOW 56N150W 1007 MB. FROM 45N TO 52N BETWEEN 137W AND 151W AND WITHIN 300 NM SE OF A FRONT TO EXTEND FROM 52N151W TO 48N168W WINDS 20 TO 30 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 52N136W 997 MB. FRONT TO EXTEND FROM LOW TO 48N128W. WITHIN 150 NM NE OF FRONT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE BETWEEN 60 NM AND 660 NM S AND WITHIN 540 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M. ALSO FROM 41N TO 56N BETWEEN 128W AND 151W WINDS TO 25 KT. SEAS TO 2.5 M. .SYNOPSIS AND FORECAST...CORRECTED. .FROM 45N TO 50N BETWEEN 125W AND 129W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 300 NM E AND SE OF A LINE FROM 45N130W TO 41N139W TO 36N151W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3.5 M...HIGHEST NEAR 35N146W. .24 HOUR FORECAST CONDITIONS DIMINISHED. .COMPLEX LOW WITH MAIN CENTER 46N165E 1005 MB MOVING NE 15 KT AND A SECOND CENTER 47N176E 1006 MB MOVING NE 30 KT. WITHIN 360 NM S AND SE QUADRANTS OF SECOND CENTER AND WITHIN 240 NM E OF A FRONT FROM MAIN LOW TO 38N160E WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST COMPLEX LOW WITH FIRST LOW 47N173E 1010 MB AND SECOND LOW 50N165W 1015 MB. FROM 46N TO 50N BETWEEN 157W AND 171W AND WITHIN 180 NM NE SEMICIRCLE OF FIRST LOW WINDS TO 25 KT. SEAS TO 3 M...HIGHEST S OF SECOND LOW. .48 HOUR FORECAST FIRST LOW DISSIPATED AND SECOND LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW 52N136W IN WARNINGS SECTION ABOVE. .LOW 63N169W 1002 MB MOVING NE 10 KT. N OF 58N BETWEEN 161W AND 167W AND WITHIN 240 NM W AND NW QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW 64N160W 1004 MB. N OF 60N BETWEEN 160W AND 168W WINDS 20 TO 30 KT. SEAS TO 2.5 M. .36 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .LOW 36N174W 1015 MB MOVING NW 15 KT. FROM 36N TO 39N BETWEEN 170W AND 177W WINDS TO 25 KT. SEAS TO 3 M. .12 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED. .24 HOUR FORECAST E OF A LINE FROM 41N126W TO 31N122W AREA OF NW WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST E OF A LINE FROM FROM 41N127W TO 31N123W AREA OF NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M. .24 HOUR FORECAST NEW LOW 31N179W 1011 MB. WITHIN 240 NM E AND 180 NM N QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW 37N175E 1011 MB. FROM 31N TO 41N BETWEEN 176W AND 175E WINDS 20 TO 30 KT. SEAS TO 3 M. .KLYUCHEVSKOY VOLCANO 56.03N 160.38E IS ERUPTING. VOLCANIC ASH MAY BE REACHING THE SURFACE FROM 48N TO 52N W OF 165E. MARINERS SHOULD EXERCISE CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIVICINITY S YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLING 301- 683-1520. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 118W AND A LINE FROM 45N126W TO 41N128W TO 30N123W...FROM 47N TO 50N BETWEEN 128W AND 143W...FROM 50N TO 53N BETWEEN 143W AND 154W...WITHIN 120 SE OF A LINE FROM 50N145W TO 45N162W...AND FROM 42N TO 49N W OF 173W. .24 HOUR FORECAST DENSE FOG FROM 36N TO 45N E OF 125W...FROM 43N TO 50N BETWEEN 143W AND 180W...FROM 42N TO 46N BETWEEN 180W AND 169E...AND N OF 48N BETWEEN 168E AND 163E. .48 HOUR FORECAST DENSE FOG FROM 43N TO 49N BETWEEN 147W TO 175E. .FORECASTER BANCROFT. OCEAN PREDICTION CENTER. NATIONAL HURRICANE CENTER MIAMI FL E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC WED AUG 13. 24 HOUR FORECAST VALID 0600 UTC THU AUG 14. 48 HOUR FORECAST VALID 0600 UTC FRI AUG 15. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .21 HOUR FORECAST WITHIN 09N108W TO 10N109W TO 10N111W TO 09N111W TO 08N111W TO 08N109W TO 09N108W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0940 UTC WED AUG 13... .TROPICAL WAVE WITH AXIS ALONG 87W...SCATTERED MODERATE FROM 03N TO 13N BETWEEN 80W AND 90W. .TROPICAL WAVE WITH AXIS NEAR 102W...SCATTERED MODERATE TO ISOLATED STRONG FROM 06N TO 18N BETWEEN 94W AND 109W. MODERATE TO LOCALLY FRESH WINDS ARE ON EITHER SIDE OF THE WAVE AXIS WITH HIGHER WINDS NEAR THE THUNDERSTORMS. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 10N85W TO 09N115W TO 12N124W TO 12N140W. SCATTERED MODERATE FROM 00N TO 08N E OF 80W...AND FROM 10N TO 13N W OF 132W. SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 14N BETWEEN 110W AND 120W. $$ .FORECASTER RAMOS. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E SYNOPSIS VALID 0600 UTC AUG 13 2025. 24 HOUR FORECAST VALID 0600 UTC AUG 14 2025. 48 HOUR FORECAST VALID 0600 UTC AUG 15 2025. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .LOW NEAR 25N178E 1010 MB. FRONT FROM 30N174W TO 26N179W THENCE TROUGH TO LOW TO 23N169E. LOW MOVING N 10 KT. FRONT NEARLY STATIONARY AND TROUGH MOVING NW SLOWLY. NUMEROUS MODERATE TO LOCALLY STRONG TSTMS FROM 27N TO 22N BETWEEN 175E AND 178W. ISOLATED MODERATE TSTMS FROM 29N TO 27N BETWEEN 175W AND 172W...AND FROM 25N TO 22N BETWEEN 167E AND 171E. .24 HOUR FORECAST LOW MOVED N OF AREA. FRONT WEAKENED TO TROUGH. TROUGH 30N179E 25N171E. WINDS 20 TO 25 KT N OF 25N BETWEEN 178E AND 176W. SEAS 2.5 TO 3 M N OF 26N BETWEEN 179W AND 175W. .48 HOUR FORECAST TROUGH 30N174E 26N172E 25N170E. WINDS DIMINISHED TO 20 KT OR LESS. SEAS LOWERED TO 2.5 M OR LOWER. .TROUGH 30N141W 23N142W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 30N144W 23N148W. .48 HOUR FORECAST TROUGH 30N150W 22N158W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA. .MONSOON TROUGH 12N140W 09N150W THENCE ITCZ 08N169W 11N173E. ISOLATED MODERATE TSTMS WITHIN 150 NM OF MONSOON TROUGH AND WITHIN 240 NM OF ITCZ. .ISOLATED MODERATE TSTMS FROM 26N TO 12N W OF 165E... FROM 25N TO 23N BETWEEN 167E AND 172E...FROM 14N TO 10N BETWEEN 166E AND 172E...AND FROM 17N TO 14N BETWEEN 177W AND 173W. $$ .FORECASTER TROTTER. HONOLULU HI.=