901 FZPN02 KWBC 191125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC TUE MAY 19 2026 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT TO 53N172E TO 50N180W TO 30N180W ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS SYNOPSIS VALID 0600 UTC MAY 19. 24 HOUR FORECAST VALID 0600 UTC MAY 20. 48 HOUR FORECAST VALID 0600 UTC MAY 21. .WARNINGS. ...STORM WARNING... .24 HOUR FORECAST LOW W OF AREA 50N177E 976 MB. WITHIN 360 NM E AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 37N TO 51N W OF 170W WINDS TO 25 KT. SEAS TO 3 M. .36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 51N178W 976 MB. WITHIN 240 NM S AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N171W 980 MB. WITHIN 240 NM SE AND 300 NM SW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ALSO WITHIN 420 NM NE...600 NM SE...AND 660 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST S OF THE ALEUTIAN ISLANDS. ELSEWHERE FROM 39N TO 58N BETWEEN 155W AND 175E WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .LOW 58N160W 994 MB MOVING NW 20 KT. WITHIN 300 NM E AND 360 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF ALASKA N OF 44N BETWEEN 143W AND 165W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW 63N174W 1002 MB. CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 38N172W 1005 MB MOVING NE 35 KT. WITHIN 120 NM S AND W SEMICIRCLES WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 33N TO 41N W OF 168W WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW 53N152W 1009 MB. WITHIN 180 NM EITHER SIDE OF A LINE FROM 55N145W TO 38N159W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF ALASKA N OF 37N BETWEEN A LINE FROM 36N160W TO 50N143W TO 60N143W AND 165W WINDS TO 25 KT. SEAS TO 2.5 M. .30 HOUR FORECAST LOW 1007 MB. WITHIN 120 NM OF S ALASKA COAST BETWEEN 139W AND 151W...AND WITHIN 420 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW 59N145W 1002 MB. N OF 51N BETWEEN 133W AND 147W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 50N144W TO 50N265W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. ...GALE WARNING... .FROM 32N TO 42N BETWEEN 122W AND 128W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. ELSEWHERE S OF 43N BETWEEN 118W AND 134W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST FROM 37N TO 43N BETWEEN 123W AND 126W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 42N BETWEEN 121W AND 134W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M. .42 HOUR FORECAST FROM 38N TO 43N BETWEEN 123W AND 127W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 50N BETWEEN 119W AND 135W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 38N TO 43N BETWEEN 123W AND 127W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 50N BETWEEN 119W AND 135W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 53N129W 1022 MB MOVING E 10 KT. WITHIN 540 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 3 M. .24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DIMINISHED. .LOW 55N176W 987 MB MOVING NE 10 KT. FROM 43N TO 53N W OF 165W...AND WITHIN 360 NM W SEMICIRCLE WINDS TO 25 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 49N180W..24 HOUR FORECAST LOW 58N174W 995 MB. WITHIN 420 NM E AND 720 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N174W IN WARNINGS SECTION ABOVE. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN THE BERING SEA BETWEEN 160W AND 175E...AND FROM 35N TO 52N BETWEEN 151W AND 168W. .24 HOUR FORECAST DENSE FOG FROM 57N TO 61N W OF 162W...FROM 47N TO 54N W OF 173W...AND FROM 40N TO 55N BETWEEN 143W AND 160W. .48 HOUR FORECAST DENSE FOG FROM 50N TO 61N BETWEEN 162W AND 180W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 40N154W TO 56N137W TO 61N146W. .FORECASTER ANDERSON. OCEAN PREDICTION CENTER. NWS 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 TUE MAY 19. 24 HOUR FORECAST VALID 0600 UTC WED MAY 20. 48 HOUR FORECAST VALID 0600 UTC THU MAY 21. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 11N86W TO 12N87W TO 11N88W TO 11N89W TO 10N89W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .48 HOUR FORECAST LITTLE CHANGE. .WITHIN 30N116W TO 30N140W TO 10N140W TO 10N124W TO 20N114W TO 30N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 30N121W TO 30N140W TO 08N140W TO 11N120W TO 30N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 22N131W TO 30N122W TO 30N140W TO 07N140W TO 12N128W TO 22N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .WITHIN 10N123W TO 10N140W TO 00N140W TO 00N135W TO 03N132W TO 06N126W TO 10N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE TO S SWELL. ELSEWHERE WITHIN 00N108W TO 01N111W TO 01S119W TO 03S119W TO 03S108W TO 02S106W TO 00N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL. .24 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 0900 UTC TUE MAY 19... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 09N90W. ITCZ FROM 09N90W TO 05N120W TO 05N140W. SCATTERED MODERATE ALONG THE COAST OF COSTA RICA. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0600 UTC MAY 19 2026. 24 HOUR FORECAST VALID 0600 UTC MAY 20 2026. 48 HOUR FORECAST VALID 0600 UTC MAY 21 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N171W 26N172W 22N172W 19N172W MOVING E 10 KT. .24 HOUR FORECAST TROUGH 30N167W 27N170W 20N175W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 25 KT N OF 10N E OF 152W. .24 HOUR FORECAST WINDS 20 TO 25 KT N OF 10N E OF 157W. .48 HOUR FORECAST WINDS 20 TO 25 KT N OF 10N E OF 163W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 30N150W 30N140W 02N140W 11N170W 30N150W. .24 HOUR FORECAST SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 30N152W 30N140W 05N140W 11N172W 30N152W. .48 HOUR FORECAST SEAS 2.5 TO 4 M IN AREA BOUNDED BY 30N150W 30N140W 04N140W 08N180W 15N180W 30N150W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 05N140W 06N152W 06N164W 04N173W 04N180W. ISOLATED MODERATE TSTMS WITHIN 210 NM OF ITCZ. $$ .FORECASTER TSAMOUS. HONOLULU HI.