151
FZPN02 KWBC 021725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC TUE DEC 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 1200 UTC DEC 02.
24 HOUR FORECAST VALID 1200 UTC DEC 03.
48 HOUR FORECAST VALID 1200 UTC DEC 04.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 54N165W 960 MB MOVING NW 10 KT
THEN TURNING S AFTER 12 HOURS AND SECOND CENTER 49N172W 966 MB
MOVING NE 10 KT. WITHIN 180 NM SE SEMICIRCLE OF FIRST
CENTER...BETWEEN 180 NM AND 480 NM NW SEMICIRCLE OF FIRST
CENTER...AND BETWEEN 300 NM AND 540 NM SW SEMICIRCLE OF SECOND
CENTER WINDS 40 TO 55 KT. SEAS 6 TO 9.5 M. ELSEWHERE N OF 30N
BETWEEN 154W AND 168E...AND WITHIN 180 NM N AND E OF A FRONT FROM
56N152W TO 52N147W TO 45N148W TO 36N154W WINDS 25 TO 40 KT. SEAS
3 TO 6.5 M.
.18 HOUR FORECAST COMBINED LOW NEAR 53N169W 974 MB. WITHIN 540 NM
NW QUADRANT AND BETWEEN 420 NM AND 1200 NM SW QUADRANT WINDS 40
TO 55 KT. SEAS 6.5 TO 10.5 M...HIGHEST NEAR 55N174W AND 43N178W.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER  52N168W 980 MB
AND NEW SECOND CENTER NEAR 43N169W 996 MB. WITHIN 420 NM SE
SEMICIRCLE OF FIRST CENTER...S OF THE ALEUTIAN ISLANDS BETWEEN
168W AND 176E...AND WITHIN THE BERING SEA 165W AND 177E WINDS 30
TO 45 KT. SEAS 4.5 TO 9.5 M...HIGHEST NW OF FIRST CENTER.
ELSEWHERE N OF 30N BETWEEN 147W AND 169E...EXCEPT WHERE DESCRIBED
WITH LOW 37N154W BELOW...WINDS 20 TO 30 KT. SEAS 3 TO 6 M IN
MIXED SWELL...EXCEPT SEAS 2.5 TO 4 M WITHIN THE BERING SEA E OF
166W.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N165W 998 MB
AND NEW SECOND CENTER NEAR 48N147W 1008 MB. WITHIN 600 NM NW
SEMICIRCLE OF FIRST CENTER...AND FROM 40N TO 51N BETWEEN 138W AND
160W WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST SEAS NW OF FIRST
CENTER. ELSEWHERE S OF 59N BETWEEN 141W AND 176E WINDS TO 25 KT.
SEAS 2.5 TO 5.5 M...HIGHEST NEAR 35N172W.

...STORM WARNING...
.30 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER NEAR
43N154E 980 MB. N OF 30N W OF 170E WINDS 25 TO 40 KT. SEAS 2.5 TO
5 M.
.36 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER NEAR
46N155E 968 MB. WITHIN 540 NM E AND 660 NM SE QUADRANTS WINDS 35
TO 50 KT. SEAS 3.5 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW NW OF AREA WITH MAIN CENTER NEAR
51N157E 950 MB. WITHIN 420 NM N AND E OF A FRONT FROM 51N163E TO
45N167E TO 36N164E WINDS 40 TO 55 KT. SEAS 6 TO 9.5 M...HIGHEST
NEAR 52N163E. ELSEWHERE S OF 57N W OF 176E WINDS 25 TO 40 KT.
SEAS 3 TO 7 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW NW OF AREA NEAR 51N156E 1004 MB. N OF
44N W OF 170E WINDS 25 TO 40 KT. SEAS 3 TO 5 M IN SE SWELL.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 51N157E
ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 163W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
163W.

.SYNOPSIS AND FORECAST.

.LOW 34N119W 1016 MB NEARLY STATIONARY. S OF 51N BETWEEN 122W AND
132W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN N SWELL.
.24 HOUR FORECAST LOW 34N120W 1018 MB. WITHIN 840 NM NW QUADRANT
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN N SWELL.
.48 HOUR FORECAST LOW 30N120W 1016 MB. S OF 43N BETWEEN 121W AND
131W WINDS TO 25 KT. SEAS TO 3 M IN N SWELL.

.24 HOUR FORECAST NEW LOW TO FORM NEAR 37N154W 1010 MB. WITHIN
240 NM E AND SE QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE S OF 46N BETWEEN 142W AND 164W WINDS TO 25 KT. SEAS 2.5
TO 5 M...HIGHEST SEAS ALONG 164W.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 48N147W
IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 720 NM NW OF
A LINE FROM 44N173W TO 58N155W...FROM 38N TO 55N BETWEEN 142W AND
152W...AND N OF 47N W OF 165E.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 62N BETWEEN 162W AND
179W...WITHIN 600 NM SE OF A LINE FROM 56N140W TO 44N154W...AND N
OF 42N W OF 167E.
.48 HOUR FORECAST DENSE FOG WITHIN THE BERING SEA E OF
170W...FROM 40N TO 54N BETWEEN 126W AND 162W...AND N OF 47N W OF
172E.

.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 1200 UTC TUE DEC 2.
24 HOUR FORECAST VALID 1200 UTC WED DEC  3.
48 HOUR FORECAST VALID 1200 UTC THU DEC  4.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 26N139W TO 26N140W TO 25N140W TO 25N139W TO 26N139W E
WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M. ELSEWHERE...WITHIN
30N124W TO 30N140W TO 10N140W TO 11N136W TO 19N129W TO 30N124W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 22N123W TO 23N129W TO 28N126W TO
30N140W TO 09N137W TO 11N127W TO 22N123W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN NW SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE.

.09 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 14N95W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE.

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

CONVECTION VALID AT 1500 UTC TUE DEC 2...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 09N84W TO 07N107W. ITCZ AXIS FROM
07N107W TO 12N117W AND FROM 08N128W TO 08N140W. SCATTERED
MODERATE FROM 04N TO 12N E OF 100W.

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC DEC 02 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 03 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 04 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N160W 22N170W 16N178E 14N160E NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N159W 23N163W 15N179E 15N161E.
.48 HOUR FORECAST FRONT 30N156W 20N162W 15N178W 13N163E.

.WINDS 20 TO 25 KT N OF LINE 30N172E 26N179W 30N170W...AND FROM
24N TO 16N W OF 178E.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 27N BETWEEN 178W AND
171W...FROM 23N TO 14N BETWEEN 164E AND 175W...AND N OF 27N W OF
162E.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 27N W OF 167E...AND FROM
22N TO 12N BETWEEN 164E AND 165W.

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

.SEAS 4 TO 5 M N OF LINE 30N172E 25N179E 30N168W. SEAS 2.5 TO 4 M
ELSEWHERE N OF LINE 11N160E 16N178W 22N165W 30N156W...AND E OF
LINE 00N174E 03N174E 11N175W 17N157W 30N147W...EXCEPT S OF LINE
00N152W 04N150W 10N140W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N176E 27N178E 23N176W
30N168W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 08N160E 07N172E
09N176W 20N167W 30N154W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N178E 27N179W 26N171W
30N166W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 13N160E 06N172E
07N172W 20N163W 30N150W.

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

.ITCZ 08N140W 08N153W 07N174W 05N171E 07N160E. SCATTERED MODERATE
TSTMS WITHIN 180 NM OF ITCZ.


$$

.FORECASTER PIERCE. HONOLULU HI.