171
FZPN02 KWBC 090525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC TUE DEC 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 09.
24 HOUR FORECAST VALID 0000 UTC DEC 10.
48 HOUR FORECAST VALID 0000 UTC DEC 11.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.18 HOUR FORECAST LOW JUST S OF THE AREA 29N160E 1002 MB. WITHIN
420 NM NE QUADRANT AREA OF SE WINDS 25 TO 40 KT. SEAS 3.5 TO 5
M...HIGHEST NEAR 31N164E.
.24 HOUR FORECAST LOW 30N162E 1003 MB AND RAPIDLY INTENSIFYING.
WITHIN 540 NM E AND 660 NM N QUADRANTS WINDS 30 TO 45 KT. SEAS
3.5 TO 6 M...HIGHEST NEAR 30N168E. ELSEWHERE FROM 30N TO 45N W OF
174E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.36 HOUR FORECAST LOW 35N166E 990 MB. WITHIN 360 NM E AND SE
SEMICIRCLES WINDS 40 TO 55 KT. SEAS 4.5 TO 8 M.
.42 HOUR FORECAST LOW 37N168E 978 MB. WITHIN 180 NM NE AND E OF A
LINE FROM THE LOW TO 37N169E TO 34N171E AND WITHIN 180 NM W AND
NW SEMICIRCLES WINDS 50 TO 65 KT. SEAS 5.5 TO 9 M...HIGHEST NEAR
37N169E.
.48 HOUR FORECAST LOW 39N169E 972 MB. WITHIN 180 NM SW...W AND
240 NM NW QUADRANTS AND WITHIN 120 NM NE AND E OF A LINE FROM
41N169E TO 39N172E TO 37N172E WINDS 50 TO 70 KT. SEAS 6.5 TO 11.5
M. ELSEWHERE WITHIN 360 NM NE...420 NM E...660 NM SE...360 NM
S...W AND 300 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8.5 M.
ALSO FROM 30N TO 45N W OF 180W WINDS 25 TO 40 KT. SEAS 2.5 TO 5
M.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 55N133W 979 MB MOVING SE 10 KT.
BETWEEN 60 NM AND 240 NM SE AND 60 NM AND 300 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 5.5 TO 8.5 M...HIGHEST NEAR
53N134W. ELSEWHERE WITHIN 780 NM SE...600 NM S...1020 NM SW AND
300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW MOVED INLAND. CONDITIONS DESCRIBED WITH
LOW 53N137W BELOW.

...GALE WARNING...
.LOW 57N144W 986 MB MOVING SE 15 KT. WITHIN 360 NM W AND BETWEEN
120 NM AND 300 NM N QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 53N137W 992 MB. WITHIN 180 NM E AND NE OF A
LINE FROM 49N131W TO 52N133W WINDS 30 TO 40 KT. SEAS 3.5 TO 5 M.
ELSEWHERE FROM 43N TO 55N E OF 140W AND BETWEEN 90 NM AND 300 NM
N AND 240 NM AND 360 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5
TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N132W 1003 MB.
WITHIN 240 NM SE AND 300 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N161W 981 MB MOVING NE 10 KT.
WITHIN 240 NM SE...600 NM SW AND WITHIN 180 NM W AND NW OF A LINE
FROM 46N165W TO 51N159W WINDS 30 TO 45 KT. SEAS 4.5 TO 7
M...HIGHEST NEAR 44N162W. ELSEWHERE WITHIN 900 NM NE...1020 NM
SE...720 NM S...1200 NM SW...960 NM W AND 540 NM NW QUADRANTS
WINDS 25 TO 35 KT. SEAS 3.5 TO 6 M...EXCEPT 2.5 TO 4 M N OF THE
ALEUTIAN ISLANDS.
.24 HOUR FORECAST LOW 47N156W 991 MB. WITHIN 180 NM W AND NW OF A
LINE FROM 45N159W TO 51N156W WINDS 30 TO 40 KT. SEAS 4 TO 6 M.
ELSEWHERE WITHIN 420 NM NE...SE...720 NM SW AND 660 NM NW
QUADRANTS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 46N152W 1012 MB. WITHIN 600 NM NW AND N OF
A LINE FROM 54N151W TO 49N158W TO 48N166W WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M...EXCEPT TO 3 M N OF THE ALEUTIAN ISLANDS.

...GALE WARNING...
.LOW W OF AREA 47N153E 992 MB MOVING N 30 KT. N OF 50N BETWEEN
168E AND 163E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST LOW W OF THE AREA 51N158E 990 MB. WITHIN 240 NM
N AND NW OF A LINE FROM 46N160E TO 50N171E WINDS 25 TO 40 KT.
SEAS 3 TO 5.5 M...HIGHEST NEAR 50N160E.
.24 HOUR FORECAST LOW NW OF THE AREA 58N156E 989 MB. WITHIN 240
NM N AND NW OF A LINE FROM 46N160E TO 50N171E WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M IN MIXED SWELL,
.48 HOUR FORECAST LOW WELL NW OF THE AREA. N OF 45N BETWEEN 178W
AND 170E AREA OF S WINDS 30 TO 45 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.WITHIN 300 NM S OF A LINE FROM 45N132W TO 37N158W AREA OF S TO
SW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M
.12 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 40N134W
TO 44N131W TO 46N144W TO 35N152W TO 38N140W TO 40N134W AREA OF SW
WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST WITHIN 180 NM NE AND E OF A FRONT FROM 40N145W
TO 31N157W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST NEW COMPLEX LOW WITH MAIN LOW 33N153W 1002 MB.
WITHIN 780 NM NE AND 420 NM E AND SE QUADRANTS WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 58N148W 1007 MB. WITHIN 90 NM W AND SW
OF A LINE FROM 57N150W TO 59N151W WINDS 25 TO 35 KT. SEAS TO 4
M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY WITHIN 90 NM NE OF A LINE FROM
57N159W TO 60N170W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
NE OF A LINE FROM 60N179W TO 56N169W TO 56N160W...AND N OF A
LINE FROM 59N151W TO 59N140W TO 56N135W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 61N178W TO 56N161W...AND NE OF A LINE FROM 59N151W TO
55N134W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 61N177W TO 56N165W TO 56N160W...AND N OF A LINE FROM
60N152W TO 57N139W TO 55N134W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 57N E
OF 134W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 57N E OF 149W AND FROM
41N TO 48N BETWEEN 170E AND 162E.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM W AND NW OF A LINE FROM
39N169E TO 55N172E.

.FORECASTER FUTTERMAN. 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 0000 UTC TUE DEC 9.
24 HOUR FORECAST VALID 0000 UTC WED DEC 10.
48 HOUR FORECAST VALID 0000 UTC THU DEC 11.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 16N94W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS BUILDING TO 2.5
TO 3.5 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO 14N96W TO 14N95W
TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W
TO 16N95W TO 12N100W TO 11N101W TO 11N97W TO 12N95W TO 16N94W N
TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.30 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M. WITHIN 13N100W TO 12N102W TO 12N101W TO
12N100W TO 13N100W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED
SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30N113W TO 28N113W TO 26N111W TO 25N110W TO 27N110W TO
30N113W...INCLUDING THE GULF OF CALIFORNIA...NW WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 15N132W TO 20N140W TO 08N140W TO 08N130W TO 15N132W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 17N130W TO 20N140W TO 07N140W TO
08N135W TO 14N136W TO 14N128W TO 17N130W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.48 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 24N140W TO
28N138W TO 30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.

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

CONVECTION VALID AT 0200 UTC TUE DEC 9...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM ALONG PANAMA AND COSTA RICA TO GULF OF
PAPAGAYO NEAR 11N86W TO 07N99W TO 1011 MB LOW PRES NEAR
11N119.5W TO 11.5N121.5W. ITCZ FROM 11.5N121.5W TO BEYOND
07.5N140W. SCATTERED MODERATE ISOLATED STRONG FROM 09N TO 17N
BETWEEN 107W AND 126W...AND FROM 06.5N TO 09N BETWEEN 132W AND
136W.

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC DEC 09 2025.
24 HOUR FORECAST VALID 0000 UTC DEC 10 2025.
48 HOUR FORECAST VALID 0000 UTC DEC 11 2025.

.WARNINGS.

...GALE WARNING...
.LOW JUST W OF AREA. FRONT 30N166W 25N173W 25N179W 24N170E
26N161E 25N160E. FRONT MOVING SE 10 KT E OF 177W AND NEARLY
STATIONARY ELSEWHERE. WINDS 30 TO 35 KT WITHIN 210 NM N OF FRONT W
OF 176E. WINDS 20 TO 30 KT ELSEWHERE N OF FRONT.
.24 HOUR FORECAST LOW NEAR 30N162E 1003 MB. FRONT FROM 30N160W TO
24N168W TO 22N178E TO 26N170E TO 30N164E...AND FROM LOW TO
24N160E. WINDS 30 TO 35 KT N OF LINE 30N165E 25N172E 30N172E.
WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N178E 25N172W 22N173W
20N179E 25N160E.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N153W 25N157W
20N166W...AND 28N176E 30N174E 26N174E 22N166E 20N160E. WINDS 30 TO
35 KT N OF LINE 30N174E 27N177E 28N179E 30N177E. WINDS 20 TO 30
KT ELSEWHERE N OF 25N W OF 179E.

.SYNOPSIS AND FORECAST.

.TROUGH 22N171E 20N164E 16N162E 12N160E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 02N163E 02N160E NEARLY STATIONARY. ISOLATED MODERATE TO
STRONG TSTMS S OF 04N W OF 170E.
.24 HOUR FORECAST TROUGH 02N163E 03N160E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

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

.SEAS 2.5 TO 4.5 M N OF LINE 30N164W 23N175E 20N160E. SEAS 2.5 TO
3 M S OF 16N BETWEEN 174E AND 153W.
.24 HOUR FORECAST SEAS 4 TO 6 M N OF LINE 30N158W 22N178W
30N161E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N150W 19N174W
18N177E 25N160E.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N178E 27N178E 29N164E
28N160E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 25N140W 21N142W
19N152W 22N162W 11N165W 09N178E 23N174E 24N160E.

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

.ITCZ 07N140W 07N172W 07N164E. ISOLATED MODERATE TSTMS FROM 09N
TO 05N BETWEEN 148W AND 142W.

$$

.FORECASTER TROTTER. HONOLULU HI.