833
FZPN02 KWBC 041125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC THU DEC 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 04.
24 HOUR FORECAST VALID 0600 UTC DEC 05.
48 HOUR FORECAST VALID 0600 UTC DEC 06.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW W OF AREA 50N156E 953 MB MOVING NW 20 KT. FROM 47N TO 53N
BETWEEN 167E AND 161E WINDS 50 TO 65 KT. SEAS 6 TO 10 M. ALSO W
OF A LINE FROM 33N165E TO 47N170E TO 55N170E WINDS 40 TO 55 KT.
SEAS 4 TO 8 M. ELSEWHERE N OF 30N W OF 173E WINDS 25 TO 40 KT.
SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW NW OF AREA 57N151E 945 MB. W OF A LINE FROM
41N175E TO 46N175E TO 54N168E WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL NW OF AREA.

...STORM WARNING...
.LOW 44N150W 1009 MB MOVING NE 20 KT. WITHIN 300 NM E OF A FRONT
FROM THE LOW TO 32N154W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 52N143W 1003 MB. WITHIN 300 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 44N TO 53N BETWEEN
131W AND 151W WINDS 20 TO 30 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW 52N135W 996 MB. WITHIN 180 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND. FROM 45N TO 54N E OF
135W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...STORM WARNING...
.36 HOUR FORECAST LOW 43N164E 1000 MB. FROM 36N TO 44N BETWEEN
169E AND 160E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 47N168E 985 MB. WITHIN 120 NM SW AND 240 NM
E AND SE QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE
FROM 39N TO 50N BETWEEN 177E AND 160E WINDS 25 TO 40 KT. SEAS 3
TO 6 M.

...GALE WARNING...
.LOW 53N164W 996 MB NEARLY STATIONARY. BETWEEN 120 NM AND 480 NM
W AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 8 M...HIGHEST N
OF THE ALEUTIAN ISLANDS. ELSEWHERE WITHIN 420 NM E AND SE
SEMICIRCLES...600 NM NW QUADRANT...AND FROM 33N TO 53N BETWEEN
167W AND 180W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 54N163W 1004 MB. WITHIN 480 NM N AND NW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 49N178E 1000 MB. WITHIN 360 NM E AND NE
OF A FRONT FROM 55N172E TO THE LOW TO 44N180W TO 30N166E WINDS 25
TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST N OF 52N.
.48 HOUR FORECAST LOW 49N166W 994 MB. FROM 42N TO 50N BETWEEN
160W AND 177W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.LOW 41N157W 1008 MB MOVING N 30 KT WILL RAPIDLY INTENSIFY AFTER
24 HOURS. WITHIN 240 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3
M.
.24 HOUR FORECAST LOW 53N154W 1005 MB. WITHIN 420 NM S QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 58N146W 980 MB. N OF 46N BETWEEN 135W AND
160W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 38N178E 1010 MB. WITHIN 300 NM E OF A
FRONT FROM 40N172W TO THE LOW TO 30N169E WINDS 25 TO 40 KT. SEAS
TO 4 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A LINE FROM 59N164W
TO 60N168W TO 63N168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 58N W OF 162W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 59N163W TO 59N168W TO 62N168W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N AND NE OF A LINE FROM 58N158W TO
61N177W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 57N158W TO 58N165W TO 63N168W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N AND NE OF A LINE FROM 56N155W TO
60N178W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 40N
BETWEEN 134W AND 153W AND FROM 53N TO 57N BETWEEN 166W AND 172W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 55N156W TO 49N132W...WITHIN 180 NM EITHER SIDE OF A LINE
FROM 50N130W TO 40N147W...AND WITHIN 180 NM EITHER SIDE OF A LINE
FROM 56N172E TO 49N180W.
.48 HOUR FORECAST DENSE FOG N OF 56N BETWEEN 136W AND 151W AND
FROM 45N TO 50N BETWEEN 173E AND 166E.

.FORECASTER COLLINS. 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 0600 UTC THU DEC 4.
24 HOUR FORECAST VALID 0600 UTC FRI DEC  5.
48 HOUR FORECAST VALID 0600 UTC SAT DEC  6.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N136W TO 17N140W TO 09N129W TO 03N125W TO 06N121W TO
08N122W TO 18N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.18 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 0800 UTC THU DEC 4...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 09N100W. ITCZ FROM 09N100W TO
11N121W...THEN RESUMES FROM 07N128W TO BEYOND 04N140W. A SURFACE
TROUGH BREAKS THE ITCZ...FROM 22N119W TO 07N127W. SCATTERED
MODERATE ALONG THE MONSOON TROUGH AND E OF 86W...FROM 06N TO 12N
BETWEEN 99W AND 107W...AND FROM 07N TO 12N BETWEEN 118W AND
126W.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC DEC 04 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 05 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 06 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N155W 22N160W 15S171W 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 170W AND 180W...AND FROM
14N TO 20N BETWEEN 175W AND 165E.
.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 30N165W 25N175W 30N178E. SEAS 2.5 TO
4 M ELSEWHERE N OF LINE 30N150W 10S180W 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 05N150W 05N173E. SCATTERED MODERATE TSTMS
WITHIN 90 NM OF ITCZ.

$$

.FORECASTER PECHACEK. HONOLULU HI.