FZPN02 KWBC 032325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED DEC 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 03. 
24 HOUR FORECAST VALID 1800 UTC DEC 04.
48 HOUR FORECAST VALID 1800 UTC DEC 05.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW W OF AREA 44N154E 978 MB MOVING NE 35 KT RAPIDLY
INTENSIFYING AND TURNING N AFTER 12 HOURS. S OF 55N W OF
170E...EXCEPT S OF 37N BETWEEN 170E AND 164E...WINDS 25 TO 40 KT.
SEAS 3 TO 5.5 M IN MIXED SWELL.
.06 HOUR FORECAST LOW W OF AREA 47N155E 962 MB. FROM 38N TO 51N
BETWEEN 166E AND 160E WINDS 40 TO 55 KT. SEAS 3 TO 6 M. 
.18 HOUR FORECAST LOW NW OF AREA 51N157E 953 MB. FROM 48N TO 55N
BETWEEN 173E AND 163E WINDS 50 TO 65 KT. SEAS 7.5 TO 10 M. 
.24 HOUR FORECAST LOW NW OF AREA 54N160E 948 MB. FROM 48N TO 56N
W OF 176E WINDS 50 TO 65 KT. SEAS 7.5 TO 11 M. ALSO WITHIN 360 NM
SE QUADRANT AND WITHIN 360 NM N AND E OF A FRONT FROM 53N167E TO
46N172E TO 40N171E...AND FROM 38N TO 44N W OF 166E WINDS 35 TO 50
KT. SEAS 4 TO 8 M. ELSEWHERE S OF 58N W OF 180W WINDS 25 TO 35
KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW WELL NW OF AREA. CONDITIONS DESCRIBED WITH
LOW 55N162E BELOW.

...GALE WARNING...
.LOW 53N166W 985 MB MOVING E 10 KT. BETWEEN 180 NM AND 600 NM W
AND NW QUADRANTS WINDS 35 TO 45 KT. SEAS 4 TO 8.5 M...HIGHEST
NEAR 54N176W. ALSO WITHIN 480 NM SE SEMICIRCLE...BETWEEN 240 NM
AND 780 NM N QUADRANT...AND S OF 63N BETWEEN 165W AND 174E WINDS
25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST S OF CENTER AND NEAR
38N175W. ELSEWHERE FROM 46N TO 56N BETWEEN 154W AND 167E WINDS TO
25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 52N164W 1003 MB. BETWEEN 240 NM AND 600 NM
NW SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M. ELSEWHERE S OF
THE ALEUTIAN ISLANDS BETWEEN 160W AND 180W...AND WITHIN THE
BERING SEA S OF 60N BETWEEN 164W AND 180W WINDS TO 25 KT. SEAS
2.5 TO 5 M...HIGHEST NEAR 36N174W. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 56N149W 1000
MB. FROM 47N TO 57N BETWEEN 140W AND 160W WINDS 20 TO 30 KT. SEAS
TO 3 M.

...GALE WARNING...
.LOW 39N153W 1011 MB MOVING NE 20 KT. WITHIN 420 NM E AND 600 NM
SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST LOW 45N149W 1008 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 49N145W 1008 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NEAR 52N131W 1000 MB. WITHIN 240 NM S AND
SW QUADRANTS WINDS 30 TO 40 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM
43N TO 53N BETWEEN 125W AND 138W WINDS 20 TO 30 KT. SEAS 2.5 TO 5
M.

...GALE WARNING...
.36 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER NEAR 49N178E
1002 MB. FROM 35N TO 52N BETWEEN 175W AND 168E WINDS 3 TO 6
M...HIGHEST SEAS W OF 174E.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 49N177W 1000
MB. S OF THE ALEUTIAN ISLANDS N OF 38N BETWEEN 167W AND 176E
WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.

...GALE WARNING...
.42 HOUR FORECAST LOW JUST W OF AREA NEAR 39N158E 1004 MB. WITHIN
360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. 
.48 HOUR FORECAST LOW NEAR 43N163E 998 MB. FROM 34N TO 46N W OF
170E WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW NW OF AREA NEAR 55N162E 998 MB. NW OF A
LINE FROM 45N160E TO 54N180W WINDS TO 25 KT. SEAS 3 TO 5.5 M IN
SW SWELL.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A LINE FROM 59N167W
TO 62N174W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W
OF ALASKA.  
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N E OF
168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 58N166W TO 61N176W. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY E OF A LINE
FROM 59N165W TO 62N170W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N AND NE OF A LINE FROM 58N158W TO 61N176W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 480 NM SE OF
A LINE FROM 57N140W TO 52N142W TO 40N154W...FROM 47N TO 61N
BETWEEN 162W AND 176W...AND N OF 42N W OF 168E. 
.24 HOUR FORECAST DENSE FOG FROM 41N TO 53N BETWEEN 127W AND
155W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 59N161W AND
50N171W.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 46N BETWEEN 132W AND
151W...WITHIN 180 NM EITHER SIDE OF A LINE FROM 57N150W TO
49N127W...WITHIN 180 NM SW OF A LINE FROM 57N174E TO
48N173W...AND FROM 39N TO 45N W OF 167E.

.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 1800 UTC WED DEC 3.
24 HOUR FORECAST VALID 1800 UTC THU DEC  4.
48 HOUR FORECAST VALID 1800 UTC FRI DEC  5.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 20N121W TO 17N130W TO 20N140W TO 15N132W TO 10N138W TO
10N129W TO 20N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 03N124W TO 04N124W TO 04N125W TO 
03N126W TO 02N126W TO 02N125W TO 03N124W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN NW SWELL.
.33 HOUR FORECAST CONDITIONS IMPROVE. 

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1945 UTC WED DEC 3...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 09N85W TO 07N103W. ITCZ AXIS FROM 
07N103W TO 11N119W AND FROM 07N131W TO 07N140W. SCATTERED 
MODERATE FROM 07N TO 10N E OF 104W AND FROM 06N TO 11N W OF 
130W. 

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC DEC 03 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 04 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 05 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N155W 24N160W 13S173W NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N155W 20N169W 15N180W.
.48 HOUR FORECAST FRONT 30N163W 21N169W 12N180W.

.24 HOUR FORECAST NEW FRONT 30N162W 29N160W.
.48 HOUR FORECAST FRONT 30N165W 29N160W.

.WINDS 20 TO 25 KT N OF 27N BETWEEN 168W AND 180W...AND FROM
14N TO 22N W OF 175W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 28N BETWEEN 167E AND
162E...AND FROM 12N TO 22N BETWEEN 167W AND 160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 90 NM OF LINE
30N162W 21N170W...AND FROM 08N TO 23N W OF 175W.

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

.SEAS 4 TO 5 M N OF A LINE 30N170W 28N175W 30N178E. SEAS 2.5 TO
4 M ELSEWHERE N OF LINE 30N154W 15S175W 12N170E 14N160E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N148W 13N173W
05N180W 10N160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 20N140W 05N180W
08N160E.

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

.ITCZ 07N140W 05N178E. SCATTERED MODERATE TSTMS WITHIN 90 NM
OF ITCZ.

$$

.FORECASTER PECHACEK. HONOLULU HI.