181
FZPN02 KWBC 020455
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 02.
24 HOUR FORECAST VALID 0000 UTC DEC 03.
48 HOUR FORECAST VALID 0000 UTC DEC 04.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N160W 968 MB MOVING NW 25 KT.
WITHIN 240 NM NE...420 NM SE AND 90 NM S QUADRANTS WINDS 50 TO
65 KT. SEAS 5.5 TO 8 M. ELSEWHERE WITHIN 360 NM NE...780 NM
SE...240 NM SW AND 360 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS 4
TO 7 M. ALSO WITHIN 540 NM NE...900 NM SE QUADRANTS AND FROM 30N
TO 65N BETWEEN 162W AND 170W WINDS 25 TO 40 KT. SEAS 3 TO 6
M...EXCEPT 2.5 TO 4 M N OF THE ALEUTIAN ISLANDS.
.24 HOUR FORECAST LOW 54N170W 966 MB WITH SECOND NEW LOW TO FORM
NEAR 47N170W 977 MB. WITHIN 480 NM NW AND N QUADRANTS OF MAIN
LOW WINDS 40 TO 55 KT. SEAS 6 TO 10 M...HIGHEST NEAR 55N173W.
ELSEWHERE WITHIN 600 NM NE AND 720 NM W QUADRANTS OF MAIN LOW
AND WITHIN 660 NM NE...900 NM SE...1020 NM S...1140 NM SW AND
720 NM W QUADRANTS OF SECOND LOW WINDS 25 TO 40 KT. SEAS 4 TO 8
M...HIGHEST NEAR 43N179W.
.48 HOUR FORECAST COMBINED LOW 52N166W 986 MB. WITHIN 300 NM W
AND NW OF A LINE FROM 50N171W TO 58N168W WINDS 35 TO 45 KT. SEAS
4.5 TO 7 M. ELSEWHERE WITHIN 360 NM E SEMICIRCLE...WITHIN 1260
NM SW...540 NM W AND 720 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
3 TO 6 M...HIGHEST NEAR 37N172W.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N172W 974 MB MOVING NE 10 KT.
BETWEEN 300 NM AND 1020 NM SW...240 NM AND 600 NM W...240 NM AND
660 NM NW AND 300 NM AND 840 NM N QUADRANTS WINDS 35 TO 45 KT.
SEAS 4 TO 7.5 M. ELSEWHERE FROM 30N TO 52N BETWEEN 170W AND 167E
AND N OF THE ALEUTIAN ISLANDS N OF 52W BETWEEN 170W AND 167E
WINDS 25 TO 35 KT. SEAS 2.5 TO 6 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 54N170W
ABOVE.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF THE AREA 45N154W 1004 MB. N OF 30N W
OF 166E WINDS 20 TO 30 KT. SEAS TO 3.5 M...HIGHEST NEAR 42N162E.
.30 HOUR FORECAST LOW W OF THE AREA 48N158E 1003 MB. N OF 40N W
OF 167E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR
49N162E.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM W OF THE
AREA 46N155E 968 MB. N OF 36N W OF 166E WINDS 35 TO 50 KT. SEAS
4 TO 7 M...HIGHEST NEAR 39N161E. ELSEWHERE N OF 30N W OF 172E
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF ALASKA.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 164W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
164W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 164W.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FRONT TO EXTEND FROM 30N158W TO 54N140W TO
59N147W. WITHIN 240 NM E AND NE OF FRONT WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST NEW LOW TO FORM NEAR 59N148W 1007 MB. BETWEEN
60 NM AND 180 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.

.48 HOUR FORECAST NEW LOW 40N151W 1007 MB. FROM 30N TO 44N
BETWEEN 142W AND 158W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.24 HOUR FORECAST FROM 36N TO 49N E OF 129W AREA OF N WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 33N TO 43N BETWEEN 124W AND 130W AREA OF
N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM W AND
NW OF A LINE FROM 49N170W TO 54N158W AND WITHIN 300 NM W AND NW
OF A LINE FROM 49N179W TO 54N175W TO 59N163W.
.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 0000 UTC TUE DEC 2.
24 HOUR FORECAST VALID 0000 UTC WED DEC  3.
48 HOUR FORECAST VALID 0000 UTC THU DEC  4.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N130W TO 30N140W TO 15N140W TO 22N134W TO 30N130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 30N123W TO 30N140W TO 09N140W TO
08N136W TO 14N128W TO 30N123W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 18N116W TO 19N122W TO 12N129W TO
07N127W TO 07N123W TO 13N124W TO 18N116W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.

.24 HOUR FORECAST WITHIN 16N94.5W TO 16N95.5W TO 15N95W TO
14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.39 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 0300 UTC TUE DEC 2...

UPDATED CONVECTION SECTION

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 07N97W. ITCZ AXIS
EXTENDS FROM 07N97W TO 07N100W TO 10N114W...AND FROM 07N132W TO
BEYOND 07N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 05N
TO 10N BETWEEN 81W AND 90W. SCATTERED MODERATE FROM 07N TO 10N
WEST OF 130W.

$$

.FORECASTER CHAN. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC DEC 02 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 03 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 04 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N161W 20N175W 17N169E MOVING NE 15 KT E OF 175W
ELSEWHERE NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N158W 20N170W 26N175E.
.48 HOUR FORECAST FRONT 30N155W 24N160W 20N164W THENCE
TROUGH 189N167W.

.FRONT 21N140W 25N146W MOVING S SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 30N150W 25N149W NEARLY STATIONARY
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT N OF 27N BETWEEN 170W AND 173E.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 27N BETWEEN
170W AND 175E... AND FROM 15N TO 23N W OF 178W.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 15N BETWEEN 170W
AND 180W...AND FROM 13N TO 22N BETWEEN 180W AND 165E.

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

.SEAS 4 TO 4.5 M N OF 27N BETWEEN 170W AND 178E. SEAS
2.5 TO 4 M ELSEWHERE N OF LINE 15N160E 18N180W
30N158W...AND E OF LINE 30N155W 10N175E 00N175E EXCEPT
E OF LINE 15N140W 00N160W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N172E 25N180W
27N170W 30N165W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE
15N160E 17N180W 30N155W...AND FROM 00N TO 15N BETWEEN
150W AND 180W...AND N OF 10N E OF 148W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N175E 25N170W
30N160W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 10N160E
10N180W 30N150W.

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

.ITCZ 07N140W 07N160W 07N180W 07N170E. SCATTERED MODERATE
TSTMS WITHIN 120 NM OF ITCZ.

$$

.FORECASTER PECHACEK. HONOLULU HI.