FZPN02 KWBC 311725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC MON MAR 31 2025

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM APRIL 1 TO OCTOBER 15, DUE TO THE CLIMATOLOGY OF THE NORTH PACIFIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 8 FEET OR GREATER.

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC MAR 31. 24 HOUR FORECAST VALID 1200 UTC APR 01. 48 HOUR FORECAST VALID 1200 UTC APR 02.

.WARNINGS.

GALE WARNING

.COMPLEX LOW WITH MAIN LOW 45N132W 993 MB MOVING SE 15 KT. BETWEEN 60 NM AND 300 NM S AND 120 NM AND 360 NM SW AND 240 NM AND 420 NM W QUADRANTS WINDS 35 TO 45 KT. SEAS 12 TO 20 FT. ELSEWHERE WITHIN 360 NM E...540 NM SE...SW AND 900 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT...EXCEPT SEAS LESS THAN 8 FT N OF 53N.

24 HOUR FORECAST LOW 43N125W 1004 MB. WITHIN 840 NM SE
480 NM SW AND BETWEEN 300 NM AND 1080 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 17 FT...HIGHEST NEAR 40N127W. .48 HOUR FORECAST LOW DISSIPATED INLAND. FROM 30N TO 41N E OF 129W AREA OF NW WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.

GALE WARNING

.LOW W OF THE AREA 54N167E 1015 MB MOVING NE 20 KT. WITHIN 240 NM NW OF A LINE FROM 51N171E TO 57N178W WINDS 25 TO 40 KT. SEAS 9 TO 17 FT. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 50N175E TO 50N167E TO 53N167E TO 61N177E TO 60N174W TO 50N175E WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST LOW NW OF AREA 60N178E 1012 MB. WITHIN 300 NM NW OF A LINE FROM 58N169W 50N170E WINDS 20 TO 30 KT. SEAS TO 10 FT. .48 HOUR FORECAST LOW DISSIPATED. WITHIN 300 NM W AND NW OF A LINE FROM 50N169E TO 59N171W AREA OF SW TO W WINDS TO 30 KT. SEAS TO 10 FT.

GALE WARNING

.LOW 31N174W 994 MB MOVING SE 05 KT. WITHIN 420 NM W AND NW OF A LINE FROM 30N175W TO 36N167W WINDS 35 TO 45 KT. SEAS 12 TO 22 FT...HIGHEST NEAR 32N178W. ELSEWHERE FROM 30N TO 40N BETWEEN 168W AND 176E WINDS 25 TO 35 KT. SEAS 9 TO 17 FT. ALSO FROM 30N TO 38N BETWEEN 160W AND 168W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. .24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW JUST S OF THE AREA 29N172W 997 MB AND SECOND NEW LOW TO FORM NEAR 36N161W 1003 MB. WITHIN 180 NM W AND NW OF A LINE FROM 30N172W TO 32N170W AND WITHIN 120 NM N OF A LINE FROM 40N156W TO 40N148W WINDS 30 TO 40 KT. SEAS 12 TO 18 FT...HIGHEST NEAR 30N173W. ELSEWHERE WITHIN 660 NM NE SEMICIRCLE OF SECOND LOW...FROM 30N TO 44N BETWEEN 160W AND 180W AND 30N TO 37N BETWEEN 180W AND 170E WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED SWELL. .48 HOUR FORECAST COMBINED LOW 39N166W 990 MB. WITHIN 240 NM SW AND BETWEEN 90 NM AND 300 NM NW SEMICIRCLES WINDS 35 TO 45 KT. SEAS 12 TO 23 FT...HIGHEST NEAR 40N169W. ELSEWHERE FROM 30N TO 45N BETWEEN 158W AND 175W WINDS 25 TO 35 KT. SEAS 8 TO 14 FT. ALSO WITHIN 180 NM N AND NE OF A LINE FROM 45N158W TO 42N147W TO 38N141W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

GALE WARNING

LOW 49N154W 1010 MB MOVING SW 20 KT. WITHIN 180 NM N
300 NM NW AND 1260 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT...HIGHEST NEAR 51N154W. .24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED ABOVE WITH LOW 36N161W.

GALE WARNING

.LOW 43N164E 1016 MB MOVING NE 45 KT. WITHIN 120 NM E OF A FRONT FROM 47N165E TO THE LOW TO 38N162E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT. ELSEWHERE FROM 37N TO 46N W OF 172E AND FROM 46N TO 50N BETWEEN 175E AND 167E WINDS 20 TO 30 KT. SEAS TO 10 FT. .24 HOUR FORECAST LOW ABSORBED WITH LOW W OF AREA 60N178E AND CONDITIONS DESCRIBED ABOVE.

GALE WARNING

.24 HOUR FORECAST WITHIN 90 NM NE OF A LINE FROM 59N152W TO 55N145W AND WITHIN 120 NM NE OF A LINE FROM 53N151W TO 56N158W AREA OF NW WINDS 25 TO 35 KT. SEAS TO 11 FT...HIGHEST NEAR 58N151W. .48 HOUR FORECAST CONDITIONS DISSIPATED.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM NE AND E OF A LINE FROM 42N163E TO 52N165E .24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM 56N180W TO 61N174W...WITHIN 60 NM NW OF A LINE FROM 44N171E TO 48N174E AND FROM 36N TO 40N BETWEEN 148W AND 153W. .48 HOUR FORECAST DENSE FOG FROM 36N TO 43N BETWEEN 142W AND 164W...AND WITHIN 120 NM SE OF LINE FROM 48N180W TO 58N166W.

.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 45N W OF 166E. .48 HOUR FORECAST LIGHT FREEZING SPRAY FROM 47N TO 51N W OF 169E.

.FORECASTER FUTTERMAN. 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 1200 UTC MON MAR 31. 24 HOUR FORECAST VALID 1200 UTC TUE APR 01. 48 HOUR FORECAST VALID 1200 UTC WED APR 02.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N103W TO 29N117W TO 19N125W TO 17N140W TO 01N140W TO 03N106W TO 18N103W...INCLUDING NEAR CABO CORRIENTES AND SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 10N119W TO 13N123W TO 15N140W TO 06N140W TO 05N122W TO 10N119W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL. .48 HOUR FORECAST WITHIN 12N129W TO 18N140W TO 04N140W TO 05N132W TO 08N127W TO 12N129W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E SWELL.

.WITHIN 03N100W TO 04N109W TO 00N120W TO 03.4S120W TO 03S98W TO 03N100W WINDS 20 KT OR LESS. SEAS 8 FT PRIMARILY IN NW TO N SWELL. .24 HOUR FORECAST WITHIN 02N103W TO 03N110W TO 01N116W TO 03.4S117W TO 03.4S100W TO 02N103W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N SWELL. .42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 29N114W TO 30N116W TO 29N117W TO 27N116W TO 26N115W TO 27N114W TO 29N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .24 HOUR FORECAST WITHIN 27N115W TO 29N115W TO 29N117W TO 26N116W TO 25N113W TO 26N113W TO 27N115W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .36 HOUR FORECAST WITHIN 26N112W TO 30N116W TO 30N120W TO 27N118W TO 21N116W TO 22N112W TO 26N112W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. .48 HOUR FORECAST WITHIN 27N114W TO 30N117W TO 30N121W TO 23N114W TO 22N111W TO 23N109W TO 27N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 11 FT...HIGHEST N OF 28N. ELSEWHERE...WITHIN 30N121W TO 30N132W TO 26N130W TO 25N124W TO 20N111W TO 22N109W TO 30N121W...INCLUDING WITHIN 60 NM OF SHORE...WINDS KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.

.24 HOUR FORECAST WITHIN 31N113W TO 32N114W TO 32N115W TO 31N115W TO 31N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. .48 HOUR FORECAST WITHIN 29N112W TO 31N113W TO 32N115W TO 30N115W TO 26N111W TO 28N111W TO 29N112W...INCLUDING THE GULF OF CALIFORNIA...W TO NW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1515 UTC MON MAR 31...

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH

TROUGH AXIS EXTENDS FROM 08N78W TO 05N90W TO 04N105W. ITCZ EXTENDS FROM 04N105W TO 00N120W TO 01S130W TO 02S140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 09N BETWEEN 116W AND 125W. SCATTERED MODERATE FROM 06N TO 11N BETWEEN 104W AND 113W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1200 UTC MAR 31 2025. 24 HOUR FORECAST VALID 1200 UTC APR 01 2025. 48 HOUR FORECAST VALID 1200 UTC APR 02 2025.

.WARNINGS.

GALE WARNING

.LOW JUST N OF AREA NEAR 31N173W 996 MB MOVING SE SLOWLY. COLD FRONT 30N160W 23N165W 15N180W MOVING NE SLOWLY. WINDS 30 TO 35 KT N OF 27N BETWEEN 178E AND 176W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 23N170E 21N175W 30N160W. SEE SEAS BELOW. .24 HOUR FORECAST LOW 29N172W 996 MB. COLD FRONT 30N156W 21N168W THENCE TROUGH TO 13N174W. WINDS 30 TO 35 KT N OF 27N BETWEEN 175W AND 170W. WINDS MAINLY 20 TO 30 KT ELSEWHERE N OF 21N BETWEEN 170E AND 158W. SEE SEAS BELOW. .48 HOUR FORECAST LOW MOVED FAR N OF AREA. FRONT WEAKENED TO TROUGH 30N162W 20N170W 16N173W. WINDS 30 TO 35 KT N OF 28N BETWEEN 162W AND 157W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N170W 23N160W 30N152W.

FOR FORECAST DETAILS N OF 30N
SEE HIGH SEAS FORECASTS ISSUED BY THE OCEAN PREDICTION CENTER UNDER AWIPS HEADER HSFEP1 AND WMO HEADER FZPN01 KWBC.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N165W 25N170W 21N175W MOVING NE 15 KT. SEE WINDS IN GALE WARNING SECTION. NUMEROUS STRONG TSTMS WITHIN 90 NM E OF FRONT. .24 HOUR FORECAST FRONT MERGED WITH FRONT DIRECTLY DESCRIBED ABOVE.

.TROUGH 27N140W 27N148W MOVING SE SLOWLY. .24 HOUR FORECAST TROUGH 27N140W 30N144W. .48 HOUR FORECAST TROUGH DISSIPATED.

NE TO E WINDS 20 TO 30 KT FROM 08N TO 16N E OF 155W
AND FROM 06N TO 12N W OF 168E. .24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 07N TO 16N E OF 160W...AND FROM 09N TO 27N W OF 170E. .48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 04N TO 20N E OF 155W... AND FROM 10N TO 26N W OF 170E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 18 TO 20 FT N OF 28N BETWEEN 176E AND 177W. SEAS 12 TO 18 FT N OF 24N BETWEEN 173E AND 170W. SEAS 8 TO 12 FT N OF 21N BETWEEN 168E AND 167W. SEAS 8 TO 10 FT S OF 14S E OF 160W. .24 HOUR FORECAST SEAS 18 TO 20 FT N OF 26N BETWEEN 176E AND 175W. SEAS 12 TO 18 FT N OF A LINE FROM 24N168E 20N176E 25N170W. SEAS 8 TO 12 FT N OF A LINE FROM 15N160E 20N167W 30N159W. SEAS 8 TO 9 FT FROM 04N TO 14N E OF 155W. .48 HOUR FORECAST SEAS 12 TO 14 FT N OF LINE 18N163E 20N180W 30N165W. SEAS 8 TO 12 FT ELSEWHERE W OF LINE 10N156W 10N174E 20N160W 30N154W. SEAS 8 TO 9 FT FROM 06N TO 15N E OF 157W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ISOLATED MODERATE TSTMS FROM 03N TO 07N BETWEEN 162E AND 168E.

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.FORECASTER SHIGESATO. HONOLULU HI.