FZPN02 KWBC 021125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC TUE DEC 02 2025



CCODE/2:31:12:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).



PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS

WITH

METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/

(LOWERCASE).



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 0600 UTC DEC 02.

24 HOUR FORECAST VALID 0600 UTC DEC 03.

48 HOUR FORECAST VALID 0600 UTC DEC 04.



.WARNINGS.



...HURRICANE FORCE WIND WARNING...

.COMPLEX LOW WITH MAIN CENTER 52N160W 960 MB MOVING NW 10 KT

THROUGH 12 HOURS THEN TURNING SW. BETWEEN 60 NM AND 180 NM

N...90 NM AND 360 NM NE...60 NM AND 180 NM SE AND WITHIN 120 NM

S QUADRANTS WINDS 50 TO 65 KT. SEAS 6 TO 9 M. ELSEWHERE WITHIN

360 NM NE...720 NM SE...360 NM SW AND 300 NM NW QUADRANTS WINDS

35 TO 50 KT. SEAS 4 TO 6.5 M. ALSO WITHIN 600 NM NE...900 NM SE

QUADRANTS AND FROM 30N TO 65N BETWEEN 163W AND 170W WINDS 25 TO

40 KT. SEAS 2.5 TO 5 M.

.24 HOUR FORECAST MAIN LOW 52N170W 973 MB WITH SECOND NEW LOW TO

FORM NEAR 51N168W 976 MB. BETWEEN 90 NM AND 480 NM W...120 NM

AND 420 NM NW AND 180 NM AND 660 NM N QUADRANTS OF MAIN LOW

WINDS 40 TO 55 KT. SEAS 6 TO 10 M...HIGHEST NEAR NEAR 54N176W.

ELSEWHERE WITHIN 420 NM SW AND W OF A LINE FROM 40N172W TO

48N174W WINDS 35 TO 45 KT. SEAS 6.5 TO 9 M...HIGHEST NEAR

42N178W. ALSO WITHIN 780 NM N QUADRANT OF MAIN LOW AND WITHIN

660 NM NE...SE...1320 NM SW...720 NM W AND 600 NM NW QUADRANTS

OF SECOND LOW WINDS 25 TO 40 KT. SEAS 3 TO 7 M.

.48 HOUR FORECAST COMBINED LOW 52N165W 993 MB. WITHIN 360 NM W

AND NW OF A LINE FROM 51N170W TO 60N167W WINDS 35 TO 45 KT. SEAS

4.5 TO 7 M...HIGHEST NEAR 54N175W. ELSEWHERE WITHIN 180 NM

NE...SE...1320 NM SW...BETWEEN 120 NM AND 600 NM W AND WITHIN

660 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.



...STORM WARNING...

.COMPLEX LOW WITH MAIN CENTER 50N171W 964 MB MOVING NE 05 KT.

BETWEEN 180 AND 600 NM NW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 4.5

TO 8 M. ELSEWHERE BETWEEN 120 NM AND 1140 NM S...120 NM AND 1200

NM SW...WITHIN 780 NM W AND 660 NM NW QUADRANTS WINDS 35 TO 45

KT. SEAS 4 TO 7 M. ALSO FROM 30N TO 55N BETWEEN 170W AND 168E

WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M

.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N171W 970 MB.

WITHIN 180 NM W AND NW OF A LINE FROM 52N177W TO 54N174W AND

WITHIN 180 NM NW AND N OF LINE FROM 54N174W TO 56N171W WINDS 40

TO 55 KT. SEAS 5 TO 9 M.

.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N170W

ABOVE.



...STORM WARNING...

.24 HOUR FORECAST LOW W OF THE AREA 53N148W 992 MB. N OF 40N W

OF 167E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR

49N162E. ELSEWHERE FROM 30N TO 40N W OF 167E WINDS 20 TO 30 KT.

SEAS TO 3 M.

.42 HOUR FORECAST LOW MOVED WELL NW OF AREA WITH NEW LOW W OF

AREA 46N155E 970 MB. FROM 32N TO 52N W OF 165E WINDS 35 TO 50

KT. SEAS 4.5 TO 7 M...HIGHEST NEAR 39N161E.

.48 HOUR FORECAST LOW W OF THE AREA 48N155E 955 MB. N OF 34N W

OF 170E WINDS 40 TO 55 KT. SEAS 5 TO 8.5 M. ELSEWHERE N OF 30N W

OF 173E WINDS 25 TO 40 KT. SEAS 3 TO 7 M.



...HEAVY FREEZING SPRAY WARNING...

.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF ALASKA.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 162W.

.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF

ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF

164W.

.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N.

ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 162W.



.SYNOPSIS AND FORECAST.



.24 HOUR FORECAST FRONT TO EXTEND FROM 30N156W TO 52N140W TO

59N142W TO 60N146W. WITHIN 180 NM E AND NE OF FRONT WINDS 20 TO

30 KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST NEW COMPLEX LOW TO FORM WITH FIRST CENTER

45N149W 1007 MB AND SECOND CENTER 43N156W 1002 MB. WITHIN AN

AREA BOUNDED BY A LINE FROM 30N148W TO 48N140W TO 43N157W TO

30N148W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR THE

FIRST AND SECOND CENTERS.



.24 HOUR FORECAST FROM 35N TO 43N E OF 129W AREA OF NW TO N

WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 129W AREA OF

N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM W AND

NW OF A LINE FROM 48N177W TO 59N159W AND N OF 49N W OF 162E.

.24 HOUR FORECAST DENSE FOG WITHIN 300 NM W AND NW OF A LINE

FROM 40N147W TO 54N137W...WITHIN 240 NM W OF A LINE FROM 42N175W

TO 52N170W AND WITHIN 180 NM NW OF A LINE FROM 55N172W TO

60N165W.

.48 HOUR FORECAST DENSE FOG WITHIN 360 NM NW AND N OF A LINE

FROM 48N129W TO 42N150W...WITHIN 180 NM W OF A LINE FROM 43N169E

TO 49N166E AND WITHIN 120 NM W AND NW OF A LINE FROM 54N171W TO

58N167W.



.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.



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 TUE DEC 2.

24 HOUR FORECAST VALID 0600 UTC WED DEC  3.

48 HOUR FORECAST VALID 0600 UTC THU DEC  4.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.WITHIN 30N128W TO 30N140W TO 13N140W TO 19N132W TO 30N128W NE

TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.

.24 HOUR FORECAST WITHIN 22N120W TO 30N124W TO 28N140W TO

09N140W TO 11N130W TO 22N120W WINDS 20 KT OR LESS. SEAS 2.5 TO

3.0 M IN W TO NW SWELL.

.48 HOUR FORECAST WITHIN 17N117W TO 23N123W TO 12N124W TO

05N129W TO 02N126W TO 07N119W TO 17N117W WINDS 20 KT OR LESS.

SEAS 2.5 TO 3.0 M IN NW SWELL.



.18 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 14.5N95.5W TO

14.5N95W TO 14.5N94.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING

GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST LITTLE CHANGE.

.36 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 0900 UTC TUE DEC 2...



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...



MONSOON TROUGH AXIS EXTENDS FROM 08N83W TO 07N107W. ITCZ AXIS

RUNS FROM 07N107W TO 12N117W...AND FROM 08N128W TO BEYOND

08N140W. SCATTERED MODERATE UP TO 120 NM ALONG EITHER SIDE OF

MONSOON TROUGH BETWEEN 83W AND 100W...AND UP TO 125 NM N OF

SECOND ITCZ.



$$



.FORECASTER CHAN. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI



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



SYNOPSIS VALID 0600 UTC DEC 02 2025.

24 HOUR FORECAST VALID 0600 UTC DEC 03 2025.

48 HOUR FORECAST VALID 0600 UTC DEC 04 2025.



.WARNINGS.



.NONE.



.SYNOPSIS AND FORECAST.



.FRONT 30N159W 20N174W 16N178E 15N161E MOVING NE 15 KT E OF 178E

AND NEARLY STATIONARY ELSEWHERE. ISOLATED MODERATE TSTMS N OF 23N

BETWEEN 167W AND 150W.

.24 HOUR FORECAST FRONT 30N157W 21N165W 16N178E 15N161E.

.48 HOUR FORECAST FRONT 30N156W 20N163W 15N178W 14N161E.



.FRONT 20N140W 23N147W MOVING S SLOWLY.

.24 HOUR FORECAST FRONT DISSIPATED.



.WINDS 20 TO 25 KT N OF LINE 30N173E 26N179W 30N169W...AND FROM

25N TO 16N W OF 175E.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 23N BETWEEN 179W AND

170W...FROM 22N TO 14N W OF 175W...AND N OF 27N W OF 163E.

.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 27N W OF 166E...AND FROM

23N TO 14N BETWEEN 166E AND 166W.



.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.



.SEAS 4 TO 5 M N OF LINE 30N172E 26N179E 30N168W. SEAS 2.5 TO 4 M

ELSEWHERE N OF LINE 13N160E 19N178W 24N163W 30N155W...AND E OF

LINE 00N174E 09N172E 19N159W 15N151W 23N159W 30N151W...EXCEPT S OF

LINE 00N155W 10N145W 11N140W.

.24 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N173E 24N177W 26N171W

30N170W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 08N160E 12N170E

13N178W 23N164W 30N155W.

.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N177E 27N179W 26N170W

30N166W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 14N160E 07N172E

07N174W 12N168W 14N172W 25N158W 30N151W.



.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.



.ITCZ 08N140W 09N153W 07N163W 07N178E 06N171E 10N160E. SCATTERED

MODERATE TSTMS WITHIN 150 NM OF ITCZ.





$$



.FORECASTER PIERCE. HONOLULU HI.=