FZPN02 KWBC 200525 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 0545 UTC WED MAY 20 2026 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC MAY 20. 24 HOUR FORECAST VALID 0000 UTC MAY 21. 48 HOUR FORECAST VALID 0000 UTC MAY 22. .WARNINGS. ...STORM WARNING... .LOW W OF AREA 49N174E 982 MB MOVING NE 25 KT AND INTENSIFYING. WITHIN 300 NM E AND 480 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN 480 NM E AND 660 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .12 HOUR FORECAST LOW JUST W OF AREA 50N179E 973 MB. WITHIN 180 NM S SEMICIRCLE AREA OF SW TO W WINDS 40 TO 50 KT. SEAS 5 TO 7.5 M. .24 HOUR FORECAST LOW 52N174W 977 MB. WITHIN 300 NM SE AND 360 NM SW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8.5 M. ALSO WITHIN 420 NM NE...AND 600 NM SE AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M...HIGHEST SW OF CENTER. ELSEWHERE FROM 38N TO 58N BETWEEN 156W AND 175E WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 58N164W 993 MB. WITHIN 420 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 720 NM SE SEMICIRCLE...AND WITHIN 1080 NM SW QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 4.5 M...HIGHEST S AND SW OF CENTER. ...GALE WARNING... .LOW 59N149W 1014 MB MOVING NE 10 KT. WITHIN 240 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M. .06 HOUR FORECAST LOW 59N148W 1016 MB. NE OF A LINE FROM 60N146W TO 59N142W AREA OF SE WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 59N144W BELOW. ...GALE WARNING... .LOW 52N154W 1007 MB MOVING NE 25 KT. WITHIN 180 NM EITHER SIDE OF A LINE FROM 56N144W TO 39N156W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .06 HOUR FORECAST LOW 54N151W 1007 MB. BETWEEN 120 NM AND 540 NM SE AND S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW 59N144W 1004 MB. NE OF A LINE FROM 59N145W TO 58N138W WINDS 35 TO 45 KT. SEAS 3.5 TO 5 M. ALSO WITHIN 150 NM NE SEMICIRCLE AND WITHIN 480 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE N OF 44N BETWEEN 134W AND 150W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS DIMINISHED. ...GALE WARNING... .S OF 43N BETWEEN 124W AND 134W AREA OF N TO NE WINDS 20 TO 30 KT. SEAS TO 4 M. .24 HOUR FORECAST FROM 38N TO 43N BETWEEN 124W AND 127W AREA OF NW TO N WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE S OF 44N BETWEEN 123W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST FROM 38N TO 44N BETWEEN 124W AND 129W AREA OF N WINDS 20 TO 30 KT. SEAS TO 4 M. ELSEWHERE FROM 32N TO 45N BETWEEN 123W AND 132W AREA OF NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .LOW 57N174W 994 MB MOVING NE 10 KT. WITHIN 420 NM E AND 660 NM SE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST LOW AND CONDITIONS ABSORBED WITH STORM WARNING ABOVE. .WITHIN 60 NM OF 64N172W AREA OF NE WINDS TO 25 KT. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST CONDITIONS IMPROVED. .WITHIN 90 NM OF 48N128W AREA OF NW WINDS LESS THAN 25 KT. SEAS TO 2.5 M IN W TO NW SWELL. .24 HOUR FORECAST FROM 44N TO 51N BETWEEN 126W AND 129W AREA OF NW WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 45N TO 50N BETWEEN 125W AND 129W AREA OF NW WINDS TO 25 KT. SEAS TO 2.5 M. .S OF A LINE FROM 36N134W TO 32N142W TO 31N153W AREA OF NE TO E WINDS TO 25 KT. SEAS TO 3 M...HIGHEST E OF 142W. .24 HOUR FORECAST S OF A LINE FROM 39N130W TO 34N134W TO 30N144W AREA OF NE WINDS LESS THAN 25 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF A LINE FROM 40N132W TO 30N147W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN THE BERING SEA N AND W OF A LINE FROM 51N175W TO 56N175W TO 58N163W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 51N145W TO 40N158W. .24 HOUR FORECAST DENSE FOG N OF 50N BETWEEN 162W AND 176E...WITHIN 90 NM OF ALASKA COAST BETWEEN 133W AND 152W...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 58N135W TO 42N150W. .48 HOUR FORECAST DENSE FOG WITHIN THE BERING SEA N OF 53N BETWEEN 158W AND 178E. .LIGHT FREEZING SPRAY WITHIN 60 NM OF 60N171W. .24 HOUR FORECAST CONDITIONS IMPROVED. .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 0000 UTC WED MAY 20. 24 HOUR FORECAST VALID 0000 UTC THU MAY 21. 48 HOUR FORECAST VALID 0000 UTC FRI MAY 22. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 12N87W TO 12N89W TO 11N90W TO 10N87W TO 11N86W TO 12N87W...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 CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 30N120W TO 30N140W TO 05N140W TO 07N124W TO 15N113W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST WITHIN 24N129W TO 30N140W TO 07N140W TO 08N124W TO 13N120W TO 17N127W TO 24N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 18N137W TO 30N130W TO 25N137W TO 30N140W TO 06N140W TO 09N134W TO 18N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0300 UTC WED MAY 20... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 09N78W TO 11N87W TO 07N89W. ITCZ FROM 08N93W TO 1007 MB LOW PRESSURE NEAR 06N120W...THEN CONTINUES ON TO BEYOND 07N140W. SCATTERED MODERATE FROM 07N TO 10N BETWEEN 87W AND 91W...FROM 07N TO 11N BETWEEN 105W AND 120W. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0000 UTC MAY 20 2026. 24 HOUR FORECAST VALID 0000 UTC MAY 21 2026. 48 HOUR FORECAST VALID 0000 UTC MAY 22 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N170W 28N172W 19N174W MOVING W 10 KT. .24 HOUR FORECAST WEAK TROUGH 30N172W 27N177W 20N178W. .48 HOUR FORECAST TROUGH 30N177W 29N180W. .WINDS 20 TO 25 KT E OF LINE 28N152W 19N160W 10N170W. .24 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 27N157W 14N180W 07N180W. .48 HOUR FORECAST WINDS 20 TO 25 KT IN AREA BOUNDED BY 18N180W 30N151W 30N140W 09N140W 07N180W 18N180W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3.5 M E OF LINE 30N151W 14N165W 09N167W. .24 HOUR FORECAST SEAS 2.5 TO 3.5 M E OF LINE 28N152W 15N170W 06N170W. .48 HOUR FORECAST SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 14N180W 25N160W 27N140W 06N140W 06N155W 07N180W 14N180W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 06N140W 05N160W 02N180W. ISOLATED MODERATE TSTMS FROM 01N TO 08N BETWEEN 155W AND 177W. $$ .FORECASTER ALMANZA. HONOLULU HI.