Bulletinset for METAREA 12 Edition date (UTC): 2026-03-20 14:22:47 ============================ HIGH SEAS FORECAST ============================ FZPN02 KWBC 201125 HSFEPI HIGH SEAS FORECAST FOR METAREA XII NWS OCEAN PREDICTION CENTER WASHINGTON DC 1145 UTC FRI MAR 20 2026 CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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). 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 MAR 20. 24 HOUR FORECAST VALID 0600 UTC MAR 21. 48 HOUR FORECAST VALID 0600 UTC MAR 22. .WARNINGS. ...STORM WARNING... .LOW 54N160W 1012 MB MOVING SE 25 KT THEN TURNING E AFTER 12 HOURS. WITHIN 480 NM SW AND W QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .18 HOUR FORECAST LOW 52N151W 1000 MB. WITHIN 300 NM S AND 360 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 5 M. .24 HOUR FORECAST LOW 52N147W 999 MB. WITHIN 120 NM SW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 3 TO 5 M. ELSEWHERE WITHIN 480 NM S SEMICIRCLE...AND WITHIN 540 NM W AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST SW OF CENTER. .48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 57N141W 993 MB. WITHIN 360 NM S AND SE QUADRANTS WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE...EXCEPT WHERE OTHERWISE DESCRIBED...FROM 45N TO 59N BETWEEN 132W AND 150W WINDS 25 TO 35 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 52N137W. ...GALE WARNING... .LOW 60N149W 998 MB MOVING NW 10 KT. WITHIN 600 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. .24 HOUR FORECAST LOW DISSIPATED INLAND AND NEW COMPLEX LOW WITH MAIN CENTER TO FORM NEAR 56N143W 996 MB. WITHIN 300 NM N AND E OF A LINE FROM 58N148W TO 58N141W TO 56N139W TO 44N140W...AND WITHIN 180 NM OF MEAN CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 55N150W 992 MB. WITHIN 120 NM NE...420 NM SE...300 NM SW AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST S OF MEAN CENTER. ...GALE WARNING... .LOW W OF AREA 41N177E 1009 MB MOVING N 10 KT. WITHIN 300 NM NE AND 600 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. .24 HOUR FORECAST LOW DISSIPATED AND NEW LOW TO FORM JUST W OF AREA NEAR 44N178E 1015 MB. WITHIN 360 NM NE AND 600 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .48 HOUR FORECAST LOW DISSIPATED. FROM 46N TO 53N W OF 171W AREA OF SE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ...GALE WARNING... .LOW S OF AREA 24N165W 1007 MB NEARLY STATIONARY. S OF 33N BETWEEN 153W AND 175W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. .18 HOUR FORECAST COMPLEX LOW S OF AREA WITH MEAN CENTER NEAR 24N162W 1006 MB. S OF 34N BETWEEN 147W AND 168W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. .24 HOUR FORECAST COMPLEX LOW S OF AREA 27N157W 1006 MB. WITHIN 480 NM NE AND 540 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M. .48 HOUR FORECAST LOW NEAR 30N156W 1003 MB. WITHIN 600 NM NE AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ...GALE WARNING... .42 HOUR FORECAST FROM 35N TO 43N BETWEEN 122W AND 127W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. .48 HOUR FORECAST FROM 35N TO 43N BETWEEN 122W AND 127W AREA OF N TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ...HEAVY FREEZING SPRAY WARNING... .MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N151W TO 54N156W TO 53N170W TO 60N178E. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 57N148W TO 53N152W TO 53N170W TO 59N178E. .24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 52N BETWEEN 153W AND 167W...AND N OF A LINE FROM 53N167W TO 60N180W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 58N150W TO 51N153W TO 51N171W TO 60N179E. .48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 56N154W TO 53N161W TO 55N173W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 51N BETWEEN 152W AND 170W...AND N OF A LINE FROM 52N170W TO 60N180W. .SYNOPSIS AND FORECAST. .RESUSPENDED ASH IS POSSIBLE OVER THE BERING SEA AND NORTH CENTRAL PACIFIC OCEAN DOWNWIND OF SHEVELUCH VOLCANO NEAR 56.4N 161.2E. THERE WAS A POSSIBLE ERUPTION. IF MARINERS ENCOUNTER VOLCANIC ASH YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLING 301 683 1520. .DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 52N E OF 139W...AND WITHIN 240 NM EITHER SIDE OF A LINE FROM 60N142W TO 52N157W TO 54N175W. .24 HOUR FORECAST DENSE FOG N OF 46N BETWEEN 134W AND 160W. .48 HOUR FORECAST DENSE FOG N OF 50N E OF 153W...AND FROM 44N TO 49N W OF 169W. .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 FRI MAR 20. 24 HOUR FORECAST VALID 0600 UTC SAT MAR 21. 48 HOUR FORECAST VALID 0600 UTC SUN MAR 22. .WARNINGS. ...GALE WARNING... .WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N93W TO 16N95W TO 16N96W TO 14N97W TO 12N97W TO 14N94W TO 15N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 15N93W TO 16N95W TO 14N97W TO 12N97W TO 12N95W TO 14N93W TO 15N93W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. .30 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 16N96W TO 14N96W TO 12N98W TO 12N96W TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N95W TO 14N96W TO 15N96W TO 12N98W TO 11N96W TO 12N94W TO 15N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL. .48 HOUR FORECAST WITHIN 16N93W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W TO 16N93W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .SYNOPSIS AND FORECAST. .06 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. .24 HOUR FORECAST LITTLE CHANGE. .30 HOUR FORECAST WITHIN 12N86W TO 11N87W TO 11N88W TO 10N88W TO 10N86W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .48 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N88W TO 10N87W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M. CONVECTION VALID AT 0730 UTC FRI MAR 20... .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... SURFACE TROUGH FROM 08N77W TO 05N91W. ITCZ FROM 05N91W TO 03N140W. SCATTERED MODERATE FROM 03N TO 08N BETWEEN 120W AND 130W. .FORECASTER AL. NATIONAL HURRICANE CENTER. NATIONAL WEATHER SERVICE HONOLULU HI NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W SYNOPSIS VALID 0600 UTC MAR 20 2026. 24 HOUR FORECAST VALID 0600 UTC MAR 21 2026. 48 HOUR FORECAST VALID 0600 UTC MAR 22 2026. .WARNINGS. ...GALE WARNING... .LOW 23N165W 1007 MB NEARLY STATIONARY. WARM FRONT FROM LOW TO 24N165W 25N163W 26N160W 27N157W MOVING E SLOWLY. TROUGH FROM LOW TO 22N168W 21N175W 22N177W 24N179W 27N180W MOVING E SLOWLY. SECOND TROUGH 24N163W 23N161W 22N160W 20N161W 15N168W 14N171W 13N180W MOVING SE SLOWLY. ENE WINDS 20 TO 30 KT N OF LINE 25N155W 25N161W 24N172W 25N174W. SCATTERED MODERATE TSTMS WITHIN 180 NM OF WARM FRONT BETWEEN 157W AND 162W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF SECOND TROUGH. .24 HOUR FORECAST COMPLEX LOW 24N164W 1007 MB. NEW SECOND LOW 26N156W 1009 MB. WARM FRONT FROM SECOND LOW TO 27N155W 28N152W 28N150W. TROUGH FROM SECOND LOW TO 24N158W TO FIRST LOW TO 21N170W 20N175W. SECOND TROUGH 24N158W 22N159W 15N167W 12N172W 11N180W. WINDS 30 TO 35 KT N OF A LINE 30N149W 25N158W 27N165W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 26N148W 25N157W 24N172W. .48 HOUR FORECAST COMPLEX LOW 26N161W 1007 MB. SECOND LOW NEAR 30N155W 1006 MB. STATIONARY FRONT FROM FIRST LOW TO 26N158W TO SECOND LOW. TROUGH FROM SECOND LOW TO 25N157W 16N163W 12N171W. WINDS 20 TO 30 KT N OF A LINE 30N146W 26N148W 23N154W 25N169W. .SYNOPSIS AND FORECAST. .TROUGH 30N144W 26N149W 23N152W 21N156W MOVING NW 10 KT. ISOLATED MODERATE TSTMS WITHIN 270 NM E AND SE OF TROUGH S OF 27N. .24 HOUR FORECAST TROUGH MERGED WITH COMPLEX LOW DESCRIBED ABOVE. .FRONT 30N179W 27N179W MOVING NE SLOWLY. .24 HOUR FORECAST FRONT 30N178W 28N179W. .48 HOUR FORECAST FRONT MOVED N OF AREA. .WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA. .SEAS 3 TO 4.5 M N OF A LINE 30N154W 26N159W 23N170W 25N180W. SEAS 2.5 TO 3 M ELSEWHERE NW OF A LINE 30N143W 25N151W 22N164W 15N173W 12N180W. .24 HOUR FORECAST SEAS 4 TO 5.5 M N OF LINE 30N148W 27N151W 23N164W 21N174W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N144W 24N149W 13N170W 13N180W. .48 HOUR FORECAST SEAS 4 TO 5 M N OF A LINE 30N155W 23N162W 24N168W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N145W 19N158W 12N165W 11N180W. .SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA. .ITCZ 06N149W 07N152W 08N159W 06N173W 06N180W. $$ .FORECASTER TSAMOUS. HONOLULU HI.=