971 FZPN02 KWBC 181125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC MON MAY 18 2026 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 18. 24 HOUR FORECAST VALID 0600 UTC MAY 19. 48 HOUR FORECAST VALID 0600 UTC MAY 20. .WARNINGS. ...GALE WARNING... .FROM 31N TO 42N BETWEEN 120W AND 127W AREA OF N TO NW WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE S OF 44N BETWEEN 118W AND 132W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 3.5 M. .24 HOUR FORECAST FROM 38N TO 42N BETWEEN 123W AND 127W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF 43N BETWEEN 116W AND 136W AREA OF N TO NW WINDS TO 25 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST FROM 37N TO 42N BETWEEN 124W AND 127W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE S OF 44N BETWEEN 121W AND 138W AREA OF N TO NE WINDS TO 25 KT. SEAS TO 3.5 M. ...GALE WARNING... .LOW 57N176W 980 MB MOVING S 10 KT. BETWEEN 120 NM AND 360 NM S...SE...AND NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST SE OF CENTER. ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...S OF THE ALEUTIANS ISLANDS N OF 40N BETWEEN 150W AND 180W...AND WITHIN THE BERING SEA W OF 163W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 49N158W. .24 HOUR FORECAST LOW 55N177W 989 MB. BETWEEN 240 NM AND 600 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M. ELSEWHERE N OF 41N W OF 165W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 58N174W 994 MB. CONDITIONS DIMINISHED. ...GALE WARNING... .LOW 48N172W 1002 MB MOVING NE 35 KT. WITHIN 180 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE CONDITIONS DESCRIBED WITH LOW 57N176W ABOVE. .06 HOUR FORECAST LOW 50N167W 995 MB. WITHIN 360 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. .24 HOUR FORECAST LOW 57N162W 994 MB. WITHIN 360 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF ALASKA N OF 43N BETWEEN 142W AND 165W WINDS TO 25 KT. SEAS 2.5TO 3.5 M...HIGHEST S OF CENTER. .48 HOUR FORECAST LOW 62N176W 1002 MB. CONDITIONS DIMINISHED. ...GALE WARNING... .24 HOUR FORECAST LOW 38N172W 1010 MB. WITHIN 240 NM OF LOW CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 33N TO 40N W OF 167W WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST LOW ABSORBED BY NEW LOW 54N153W 1006 MB. WITHIN 240 NM EITHER SIDE OF A LINE FROM 56N144W TO 38N161W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 35N175W TO 35N160W TO 50N142W TO 60N142W TO 60N147W TO 54N160W TO 52N175W TO 35N175W WINDS TO 25 KT. SEAS TO 3 M. ...GALE WARNING... .42 HOUR FORECAST LOW W OF AREA 49N173E 989 MB. FROM 40N TO 52N BETWEEN 175W AND 176E WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW W OF AREA 50N176E 974 MB. WITHIN 420 NM E AND 600 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 40N TO 51N W OF 160W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .SYNOPSIS AND FORECAST. .LOW 59N139W 1012 MB MOVING E 10 KT. NE OF A FRONT FROM LOW CENTER TO 59N130W WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE N OF 40N BETWEEN 132W AND 150W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW DISSIPATED INLAND AND ASSOCIATED CONDITIONS DIMINISHED. .48 HOUR FORECAST WITHIN 120 NM OF 49N127W AREA OF NW WINDS TO 25 KT. SEAS TO 2.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN THE BERING SEA W OF 165W...FROM 46N TO 50N W OF 174W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 41N146W TO 57N134W. .24 HOUR FORECAST DENSE FOG FROM 52N TO 60N BETWEEN 152W AND 176E...AND 36N TO 51N BETWEEN 152W AND 170W. .48 HOUR FORECAST DENSE FOG WITHIN 300 NM EITHER SIDE OF A LINE FROM 61N147W TO 40N158W...N OF 57N W OF 165W...AND FROM 49N TO 55N W OF 173W. .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 MON MAY 18. 24 HOUR FORECAST VALID 0600 UTC TUE MAY 19. 48 HOUR FORECAST VALID 0600 UTC WED MAY 20. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .WITHIN 30N116W TO 30N130W TO 25N128W TO 25N116W TO 30N116W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN N SWELL. ELSEWHERE WITHIN 26N113W TO 25N130W TO 28N130W TO 27N140W TO 15N140W TO 19N121W TO 26N113W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN N TO NE SWELL. REMAINDER OF AREA WITHIN 15N127W TO 15N140W TO 10N140W TO 10N124W TO 15N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST WITHIN 29N114W TO 30N140W TO 11N140W TO 10N122W TO 20N112W TO 29N114W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN N SWELL. .48 HOUR FORECAST WITHIN 22N124W TO 30N119W TO 30N140W TO 08N140W TO 11N116W TO 17N115W TO 22N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL. .WITHIN 31N113W TO 31N114W TO 30N115W TO 30N114W TO 30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA... S TO SW WINDS 25 TO 35 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 12N86W TO 12N88W TO 11N89W TO 10N88W TO 10N87W TO 11N86W TO 12N86W...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 06N130W TO 07N140W TO 00N140W TO 03.4S120W TO 02S120W TO 03.4S104W TO 06N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .24 HOUR FORECAST WITHIN 04N126W TO 09N122W TO 10N140W TO 00N140W TO 03.4S109W TO 00N109W TO 04N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL. .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 0090 UTC MON MAY 18... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10N85W TO 06N95W. MONSOON TROUGH FROM 06N95W TO 05N140W. SCATTERED MODERATE FROM 08N TO 12N BETWEEN 90W AND 95W...AND FROM 07N TO 10N BETWEEN 128W TO 140W. .FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0600 UTC MAY 18 2026. 24 HOUR FORECAST VALID 0600 UTC MAY 19 2026. 48 HOUR FORECAST VALID 0600 UTC MAY 20 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH 30N176W 29N180W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH MOVED N OF AREA. .TROUGH 30N171W 27N172W 24N173W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH 30N170W 27N172W 22N172W. .48 HOUR FORECAST TROUGH DISSIPATED. .WINDS 20 TO 25 KT FROM 07N TO 13N E OF 156W. .24 HOUR FORECAST WINDS 20 TO 25 KT N OF 07N E OF 151W. .48 HOUR FORECAST WINDS 20 TO 25 KT N OF 11N E OF 158W. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3.5 M FROM 06N TO 20N E OF 160W. .24 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 05N TO 19N E OF 162W...AND FROM 19N TO 29N E OF 152W. .48 HOUR FORECAST SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 30N153W 30N140W 05N140W 08N173W 30N153W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 08N140W 07N154W 04N162W...AND 09N173W 07N180W. SCATTERED MODERATE TSTMS WITHIN 120 NM PRIMARILY N OF ITCZ E OF 162W. ISOLATED MODERATE TSTMS ELSEWHERE S OF ITCZ E OF 160W...AND W OF 173W. $$ .FORECASTER TSAMOUS. HONOLULU HI.