OPC East and Central N Pacific High Seas Forecast
by Ocean Prediction Center web team 14 May 2026 at 5:26am FZPN02 KWBC 141125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC THU MAY 14 2026 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). 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 14. 24 HOUR FORECAST VALID 0600 UTC MAY 15. 48 HOUR FORECAST VALID 0600 UTC MAY 16. .WARNINGS. ...GALE WARNING... .LOW 51N165W 1010 MB MOVING E 35 KT. WITHIN 300 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE S OF THE ALEUTIAN ISLANDS N OF 33N BETWEEN 160W AND 175W...EXCEPT WHERE OTHERWISE DESCRIBED...WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .24 HOUR FORECAST LOW 50N138W 1012 MB. WITHIN 480 NM SE AND 600 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5 M...HIGHEST SW OF CENTER. ELSEWHERE FROM 40N TO 55N BETWEEN 133W AND 160W WINDS TO 25 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST LOW INLAND 50N125W 1017 MB. WITHIN 660 NM SW QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 720 NM SW SEMICIRCLE WINDS LESS THAN 25 KT. SEAS TO 3 M. ...GALE WARNING... .06 HOUR FORECAST LOW W OF AREA 47N171E 982 MB. FROM 39N TO 48N W OF 176W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST LOW 50N177W 982 MB. BETWEEN 120 NM AND 420 NM SW QUADRANT WINDS 35 TO 45 KT. SEAS 6 TO 9.5 M. ALSO FROM 39N TO 54N BETWEEN 162W AND 175E WINDS 25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST S AND SW OF CENTER. ELSEWHERE FROM 35N TO 56N W OF 160W WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST LOW 54N168W 975 MB. WITHIN 420 NM OF LOW CENTER...AND WITHIN 300 NM SE OF A FRONT FROM 40N151W TO 41N170W WINDS 25 TO 40 KT. SEAS 4 TO 9 M...HIGHEST S AND SE OF CENTER. ELSEWHERE FROM 40N TO 59N BETWEEN 141W AND 180W WINDS TO 25 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 44N167W. ...GALE WARNING... .FROM 33N TO 41N BETWEEN 120W AND 125W AREA OF NW TO N WINDS TO 25 KT. SEAS TO 2.5 M. .24 HOUR FORECAST FROM 36N TO 41N BETWEEN 123W AND 126W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM 31N TO 41N BETWEEN 120W AND 129W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST FROM 33N TO 40N BETWEEN 121W AND 125W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE S OF 42N BETWEEN 119W AND 129W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 3 M. .SYNOPSIS AND FORECAST. .LOW 56N156W 1003 MB MOVING E 10 KT. EXCEPT WHERE DESCRIBED WITH LOW 51N165W IN WARNINGS SECTION ABOVE...FROM 44N TO 54N BETWEEN 143W AND 173W WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 38N TO 55N BETWEEN 143W AND 175W WINDS 2.5 TO 3.5M. .24 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 50N138W IN WARNINGS SECTION ABOVE. .COMPLEX LOW WITH MAIN CENTER 57N168W 1000 MB MOVING SE 10 KT. WITHIN 150 NM EITHER SIDE OF A LINE FROM 54N166W TO 59N178E WINDS TO 25 KT. SEAS 2.5 TO 3.5 M...HIGHEST CONDITIONS SW OF CENTER. .24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. .24 HOUR FORECAST S OF 33N BETWEEN 145W AND 165W AREA OF NE WINDS TO 25 KT. SEAS TO 3 M. .48 HOUR FORECAST S OF 32N BETWEEN 133W AND 160W AREA OF NE WINDS TO 25 KT. SEAS TO 2.5 M. .48 HOUR FORECAST NEW LOW NEAR 39N172W 1006 MB. FROM 33N TO 40N W OF 165W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 270 NM EITHER SIDE OF A LINE FROM 60N180W TO 55N155W. .24 HOUR FORECAST DENSE FOG FROM 54N TO 60N BETWEEN 149W AND 172W...AND W OF A LINE FROM 40N179W TO 48N160W TO 55N160W TO 54N180W TO 50N175E. .48 HOUR FORECAST DENSE FOG FROM 49N TO 59N BETWEEN 151W AND 176W...WITHIN THE BERING SEA W OF 177W...AND FROM 37N TO 41N W OF 168W. .24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN 60 NM OF 65N171W. .48 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 0600 UTC THU MAY 14. 24 HOUR FORECAST VALID 0600 UTC FRI MAY 15. 48 HOUR FORECAST VALID 0600 UTC SAT MAY 16. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .GULF OF TEHUANTEPEC WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N95W TO 16N95W N WINDS 20 TO 30 KT. SEAS TO 3.0 M IN N TO NE SWELL. .24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N N WINDS 20 TO 25 KT. SEAS TO 2.5 M. .36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .WITHIN 22N131W TO 25N140W TO 11N140W TO 07N130W TO 14N129W TO 22N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .24 HOUR FORECAST WITHIN 21N136W TO 22N138W TO 22N140W TO 21N140W TO 21N138W TO 21N136W E WINDS 20 TO 25 KT. SEAS 2.5 M. ELSEWHERE WITHIN 19N128W TO 25N140W TO 06N140W TO 10N131W TO 15N126W TO 19N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL. .48 HOUR FORECAST WITHIN 20N135W TO 24N135W TO 27N140W TO 08N140W TO 12N135W TO 13N127W TO 20N135W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN NE SWELL. .WITHIN 02S113W TO 01S116W TO 02S120W TO 03.4S120W TO 03.4S114W TO 02S113W WINDS 20 KT OR LESS. SEAS 2.5 M IN S SWELL. .24 HOUR FORECAST WITHIN 01S119W TO 01S119W TO 01S119W TO 01S120W TO 02S120W TO 02S120W TO 01S119W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SE AND S SWELL. .48 HOUR FORECAST WITHIN 00.5N124W TO 00.5N124.5W TO 00.5N125.5W TO 00.5N126.5W TO 00N127.5W TO 00N123.5W TO 00.5N124W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SE AND S SWELL. .30 HOUR FORECAST WITHIN 30N120W TO 30N123.5W TO 30N122W TO 29.5N120.5W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL. .48 HOUR FORECAST WITHIN 30N117W TO 30N131W TO 29N129W TO 28N123W TO 28N120W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0800 UTC THU MAY 14... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH FROM 10.5N74W TO 08N78W TO 09.5N86W TO 04.5N97W. ITCZ FROM 06N101W TO 06N127W THEN RESUMES FROM 04N133W TO BEYOND 08N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 02.5N TO 09N E OF 101W AND FROM 08.5N TO 11.5N BETWEEN 102W AND 110W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION FROM 00N TO 10.5N BETWEEN 119W AND 139W. .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0600 UTC MAY 14 2026. 24 HOUR FORECAST VALID 0600 UTC MAY 15 2026. 48 HOUR FORECAST VALID 0600 UTC MAY 16 2026. .WARNINGS. .NONE. .SYNOPSIS AND FORECAST. .TROUGH FROM 28N157W TO 25N159W TO 22N160W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH FROM 27N156W TO 23N160W. .48 HOUR FORECAST WEAKENED TROUGH FROM 28N160W TO 24N163W. .WINDS 20 TO 25 KT FROM 14N TO 24N E OF 160W...AND FROM 08N TO 16N BETWEEN 165W AND 177W. .24 HOUR FORECAST WINDS 20 TO 25 KT N OF 25N E OF 173W. .48 HOUR FORECAST WINDS 20 TO 25 KT BETWEEN 11N AND 18N E OF 148W. .OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 2.5 TO 3 M BOUNDED BY AN AREA 10N140W 09N180W 30N175W 25N140W 10N140W EXCEPT FOR AREA FROM 17N TO 24N BETWEEN 165W AND 150W. .24 HOUR FORECAST SEAS 2.5 TO 3 M BOUNDED BY AN AREA 07N140W 11N160W 07N180W 24N180W 30N166W 30N145W 26N140W 07N140W EXCEPT FOR AREA FROM 16N TO 22N BETWEEN 164W AND 153W. .48 HOUR FORECAST SEAS 2.5 TO 3 M E OF A LINE FROM 07N147W TO 30N164W...AND FROM 09N TO 21N W OF 170W. .OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .SCATTERED MODERATE TSTMS WITHIN 120 NM OF A LINE FROM 09N140W TO 06N150W TO 09N165W TO 09N180W. .ITCZ FROM 06N140W TO 05N156W TO 01N180W. $$ .FORECASTER BLOOD. HONOLULU HI. See NWS for further details |