317
FZPN02 KWBC 072325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN DEC 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 07.
24 HOUR FORECAST VALID 1800 UTC DEC 08.
48 HOUR FORECAST VALID 1800 UTC DEC 09.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 47N174W 975 MB MOVING SE 15 KT AND
SECOND CENTER 48N167W 988 MB NEARLY STATIONARY. WITHIN 600 NM SE
AND 720 NM QUADRANTS OF FIRST CENTER WINDS 40 TO 50 KT. SEAS 4.5
TO 8.5 M...HIGHEST NEAR 43N178E. ELSEWHERE S OF THE ALEUTIAN
ISLANDS N OF 36N BETWEEN 160W AND 166E...AND WITHIN THE BERING
SEA BETWEEN 162W AND 180W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 46N166W 978 MB
AND SECOND CENTER 49N166W 984 MB. WITHIN 480 NM SE AND 720 NM SW
QUADRANTS OF FIRST CENTER...AND WITHIN 180 NM N SEMICIRCLE OF
SECOND CENTER WINDS 30 TO 45 KT. SEAS 5 TO 8.5 M. ELSEWHERE FROM
31N TO 56N BETWEEN 150W AND 172E WINDS 20 TO 30 KT. SEAS 2.5 TO
5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 47N157W 989 MB
AND NEW SECOND CENTER 52N141W 994 MB. WITHIN 420 NM NE...600 NM
SE...1420 NM SW...AND 480 NM NW QUADRANTS OF FIRST CENTER...AND
WITHIN 660 NM SE AND 720 NM S QUADRANTS OF SECOND CENTER WINDS 25
TO 35 KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 43N156W. ELSEWHERE S OF
53N BETWEEN 125W AND 180W...EXCEPT SE OF A LINE FROM 41N125W TO
39N140W TO 30N156W...WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.

...STORM WARNING...
.LOW NEAR 49N160W 984 MB MOVING NE 25 KT. WITHIN 600 NM S
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N146W 988 MB
AND NEW SECOND CENTER 55N137W 976 MB. WITHIN 180 NM S AND SW
QUADRANTS OF BOTH CENTERS WINDS 35 TO 50 KT. SEAS 5 TO 8 M.
ELSEWHERE FROM 39N TO 60N E OF 150W WINDS 25 TO 35 KT. SEAS 3 TO
5.5 M.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED INLAND AND ASSOCIATED
CONDITIONS DESCRIBED WITH LOW 52N141W ABOVE.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 58N146W 973 MB MOVING SW 15 KT AND
SECOND CENTER 55N142W 977 MB MOVING NE 15 KT THEN TURNING W AFTER
12 HOURS. WITHIN 240 NM NW SEMICIRCLE AND 300 NM NE QUADRANT OF
FIRST CENTER...AND WITHIN 480 NM SE AND 600 NM SW QUADRANTS OF
SECOND CENTER WINDS 30 TO 45 KT. SEAS 3 TO 7 M...HIGHEST S OF
SECOND CENTER. ELSEWHERE WITHIN 840 NM S SEMICIRCLE OF SECOND
CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 54N155W 986 MB
AND SECOND CENTER 57N144W 987 MB. WITHIN 180 NM N AND W OF A LINE
FROM 52N160W TO 57N135W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
ELSEWHERE N OF 54N E OF 160W WINDS TO 25 KT. SEAS 2.5 TO 4.5
M...HIGHEST E OF 142W.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING..
.24 HOUR FORECAST LOW NW OF AREA NEAR 53N154E 998 MB. N OF 37N W
OF 166E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M IN S SWELL.
.48 HOUR FORECAST LOW WELL NW OF AREA AND CONDITIONS DESCRIBED
WITH LOW 52N156E BELOW.

...GALE WARNING...
.36 HOUR FORECAST LOW W OF AREA NEAR 50N165E 990 MB. N OF 43N W
OF 170E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW W OF AREA 55N160E 992 MB. N OF 46N W OF
173E WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 50N160E.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW NEAR 39N162E 1006 MB. S OF 43N W OF
170E WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N157W TO
57N162W TO 63N173W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N
OF A LINE FROM 54N155W TO 55N170W TO 60N178W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 157W AND 171W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 57N BETWEEN 157W AND 176W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 56N134W TO 59N145W TO 56N160W TO 61N177W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 61N
BETWEEN 135W AND 166W...N OF 50N BETWEEN 174E AND 166E...AND FROM
43N TO 50N BETWEEN 149W AND 168E.
.24 HOUR FORECAST DENSE FOG WITHIN 270 NM EITHER SIDE OF A LINE
FROM 58N136W TO 46N175W.
.48 HOUR FORECAST DENSE FOG N OF 54N E OF 147W...AND N OF 40N W
OF 170E.

.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 SUN DEC 07.
24 HOUR FORECAST VALID 1800 UTC MON DEC 08.
48 HOUR FORECAST VALID 1800 UTC TUE DEC 09.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING
THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS BUILDING TO 2.5
M.
.30 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE
GULF OF TEHUANTEPEC...N WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 14N95W
N
TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.36 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W N
TO
NE WINDS 30 TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 60 NM OF A
LINE FROM 16N95W TO 14N95W TO 12N96.5W N TO NE WINDS 20 TO 30 KT.

SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO

14N96W N TO NE WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 60 NM OF A LINE FROM 16N95W TO 14N96W TO 11N100W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.

.SYNOPSIS AND FORECAST.

.FROM 19N TO 21N W OF 135W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MIXED
NE AND NW SWELL.
.24 HOUR FORECAST FROM 15N TO 20N W OF 135W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED NE AND NW SWELL.
.42 HOUR FORECAST 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 2100 UTC SUN DEC 7...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 07N95W TO 12N110W TO
09N121W. THE ITCZ CONTINUES FROM 09N121W TO BEYOND 08N140W.
SCATTERED MODERATE CONVECTION IS NOTED FROM 10N TO 18N BETWEEN
103W
AND 117W...AND FROM 06N TO 10N BETWEEN 122W AND 138W.

.FORECASTER GR. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC DEC 07 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 08 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 09 2025.

.WARNINGS.

...GALE WARNING...
.FRONT 30N179E 27N172E 26N165E 27N160E MOVING E 15 KT E OF 171E
AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 30 KT N OF FRONT.
.24 HOUR FORECAST FRONT 30N168W 26N179E 26N170E 26N163E 24N160E.
WINDS 30 TO 35 KT WITHIN 120 NM OF FRONT BETWEEN 162E AND 174E.
WINDS 20 TO 30 KT ELSEWHERE N OF FRONT.
.48 HOUR FORECAST NEW LOW NEAR 28N161E 1007 MB. FRONT FROM
30N162W TO 26N168W TO 23N172W TO 22N175W TO 28N165E TO LOW TO
26N160E. WINDS 30 TO 35 KT N OF LINE 30N162E 25N168E 24N174E
30N167E. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 30N161E 23N170E
23N173W 30N166W.

.SYNOPSIS AND FORECAST.

.FRONT 30N164W 27N170W 26N174W THENCE TROUGH 21N177E 11N167E.
FRONT NEARLY STATIONARY AND TROUGH MOVING W 10 KT.
.24 HOUR FORECAST FRONT ABSORBED BY FRONT DESCRIBED ABOVE. TROUGH
23N172E 19N166E 11N16132E.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 30N148W 26N150W 25N152W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 12N TO 05N BETWEEN 179E AND 172W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 2.5 TO 4 M W OF LINE 30N178E 27N174E 16N172W 17N148W
11N150W 19N151W 12N140W 02N146W 06N150W 05N162W 00N165W 00N174E
10N168E 10N166E 04N163E 04N160E.
.24 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF LINE 30N165W 23N169E
23N160E. SEAS 2.5 TO 3 M S OF 17S BETWEEN 173E AND 152W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N162E 24N169E 23N178W
30N160W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N152W 25N161W
24N170W 21N179E 23N164E 25N160E.

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

.ITCZ 08N140W 07N154W 06N170W. ISOLATED MODERATE TSTMS FROM 08N
TO 04N BETWEEN 158W AND 146W.

.ISOLATED MODERATE TSTMS FROM 06N TO 01N BETWEEN 173E AND 179E.

$$

.FORECASTER TROTTER. HONOLULU HI.