FZPN01 KWBC 190415 HSFEP1 HIGH SEAS FORECAST NWS OCEAN PREDICTION CENTER WASHINGTON DC 0430 UTC SUN OCT 19 2025 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS WITH METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/ (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 0000 UTC OCT 19. 24 HOUR FORECAST VALID 0000 UTC OCT 20. 48 HOUR FORECAST VALID 0000 UTC OCT 21. .WARNINGS. ...HURRICANE FORCE WIND WARNING... .LOW 48N173W 964 MB MOVING NE 35 KT. WITHIN 120 NM SE AND S...AND 60 NM W QUADRANTS WINDS 60 TO 75 KT. SEAS 6 TO 9 M. ELSEWHERE WITHIN 420 NM SE...300 NM SW...120 NM NW...AND 240 NM NE QUADRANTS WINDS 45 TO 60 KT. SEAS 4 TO 7 M. ALSO WITHIN 660 NM SE...600 NM SW...480 NM NW...AND 420 NM NE QUADRANTS WINDS 30 TO 45 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 53N159W 965 MB. WITHIN 300 NM S SEMICIRLE WINDS 50 TO 65 KT. SEAS 7 TO 14 M. ELSEWHERE WITHIN 420 NM S SEMICIRCLE WINDS 40 TO 50 KT. SEAS 4 TO 13 M...HIGHEST SW QUADRANT. ALSO FROM 42N TO 61N BETWEEN 137W AND 171W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST SW QUADRANT. .48 HOUR FORECAST LOW 57N140W 982 MB. FROM 48N TO 60N BETWEEN 129W AND 150W WINDS 25 TO 40 KT. SEAS 4 TO 10 M...HIGHEST S OF LOW. ...STORM WARNING... .COMPLEX LOW WITH MAIN CENTER 51N136W 985 MB MOVING SE 30 KT. WITHIN 240 NM SW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 6 TO 9 M. ELSEWHERE WITHIN 600 NM E...720 NM S...AND 600 NM W AND NW QUADRANTS...AND FROM 54N TO 59N BETWEEN 146W AND 156W WINDS 25 TO 40 KT. SEAS 2.5 TO 7 M...HIGHEST S OF LOW. .24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 33N TO 49N BETWEEN 123W AND 132W WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR 47N127W. .48 HOUR FORECAST FROM 34N TO 45N BETWEEN 124W AND 131W AREA OF N WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M. ...STORM WARNING... .LOW W OF AREA 48N157W 992 MB MOVING NE 20 KT. W OF A LINE FROM 38N160E TO 42N165E TO 50N163E WINDS 25 TO 40 KT. SEAS TO 3.5 M. .12 HOUR FORECAST LOW 49N160E 981 MB. WITHIN 180 NM S QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 7 M. .24 HOUR FORECAST LOW 51N170E 983 MB. FROM 45N TO 49N BETWEEN 180W AND 166E WINDS 45 TO 60 KT. SEAS 5 TO 10 M. ELSEWHERE FROM 39N TO 57N W OF 174W WINDS 30 TO 45 KT. SEAS 3 TO 7 M...HIGHEST IN S AND SW QUADRANTS. .48 HOUR FORECAST LOW 52N168W 987 MB. FROM 45N TO 49N BETWEEN 165W AND 179W WINDS 40 TO 55 KT. SEAS 7 TO 11 M. ELSEWHERE FROM 38N TO 58N BETWEEN 150W AND 176E WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST SW OF LOW. ...GALE WARNING... .48 HOUR FORECAST LOW 48N162E 996 MB. FROM 37N TO 50N W OF 172E WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .SYNOPSIS AND FORECAST. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 51N BETWEEN 166W AND 178W...FROM 51N TO 55N BETWEEN 180W AND 170E...N OF 58N BETWEEN 168W AND 175W...AND N OF 46N W OF 163E. .24 HOUR FORECAST DENSE FOG FROM 50N TO 56N BETWEEN 180W AND 164E. .48 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 167W AND 175W...AND FROM 47N TO 51N W OF 166E. .FORECASTER KELLS. 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 0000 UTC SUN OCT 19. 24 HOUR FORECAST VALID 0000 UTC MON OCT 20. 48 HOUR FORECAST VALID 0000 UTC TUE OCT 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 30N125W TO 30N140W TO 15N140W TO 30N125W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL. .24 HOUR FORECAST WITHIN 30N116W TO 30N129W TO 27N129W TO 24N127W TO 25N122W TO 27N117W TO 30N116W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW SWELL. ELSEWHERE WITHIN 15N138W TO 19N140W TO 10N140W TO 10N137W TO 11N135W TO 12N135W TO 15N138W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW TO N SWELL. .48 HOUR FORECAST WITHIN 30N122W TO 30N140W TO 24N140W TO 26N133W TO 30N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .30 HOUR FORECAST WITHIN 13N120W TO 13N122W TO 12N123W TO 10N123W TO 09N121W TO 10N120W TO 13N120W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW SWELL. .48 HOUR FORECAST WITHIN 12N121W TO 14N123W TO 13N126W TO 10N127W TO 09N125W TO 11N121W TO 12N121W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NW SWELL. .36 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST LITTLE CHANGE. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0300 UTC SUN OCT 19... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 08N83W TO 1009 MB LOW PRES NEAR 11N90W TO 1008 MB LOW PRES NEAR 14N98W AND TO 11N123W. ITCZ FROM 11N127W TO BEYOND 10N140W. SCATTERED MODERATE FROM N OF 08N BETWEEN 87W AND 105W...FROM 08N TO 13N AND BETWEEN 115W AND 121W. $$ .FORECASTER DELGADO. NATIONAL HURRICANE CENTER.