840
FZPN02 KWBC 302325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN NOV 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

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 NOV 30.
24 HOUR FORECAST VALID 1800 UTC DEC 01.
48 HOUR FORECAST VALID 1800 UTC DEC 02.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW S OF AREA NEAR 29N178W 996 MB. CONDITIONS DESCRIBED BELOW
WITH FIRST STORM WARNING.
.06 HOUR FORECAST LOW 31N172W 990 MB. WITHIN 240 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 42N161W 973 MB. WITHIN 180 NM S AND SE
SEMICIRCLE WINDS 50 TO 70 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 38N
TO 46N BETWEEN 153W AND 163W WINDS 35 TO 50 KT. SEAS 4 TO 6 M.
ALSO S OF 46N BETWEEN 146W AND 170W WINDS 25 TO 35 KT. SEAS 3 TO
5 M.
.48 HOUR FORECAST LOW 55N168W 967 MB. WITHIN 540 NM NW SEMICIRCLE
AND 240 NM NE AND E QUADRANTS WINDS 40 TO 55 KT. SEAS 5 TO 10 M.
ELSEWHERE N OF 30N BETWEEN 140W AND 170E WINDS 25 TO 40 KT. SEAS
3.5 TO 7 M.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 42N174W 983 MB MOVING NE 20 KT AND
SECOND CENTER 41N176W 983 MB MOVING NE 25 KT. WITHIN 420 NM S AND
SW QUADRANTS OF MAIN CENTER WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
ELSEWHERE S OF 54N W OF 162W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 48N169W 978 MB WITH SECOND CENTER
DISSIPATED. EXCEPT WHERE DESCRIBED ABOVE...WITHIN 360 NM E
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 46N
TO 55N BETWEEN 150W AND 172W WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 50N172W 968 MB. CONDITIONS DESCRIBED ABOVE
WITH LOW 55N168W.

...STORM WARNING...
.LOW 57N152W 990 MB MOVING NE 10 KT. N OF FRONT FROM LOW CENTER
TO 59N147W TO 57N138W WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M.
ELSEWHERE N OF A LINE FROM 41N152W TO 53N130W WINDS 25 TO 35 KT.
SEAS 2.5 TO 6 M IN MIXED SWELL...HIGHEST NEAR 47N149W.
.24 HOUR FORECAST LOW 60N148W 1005 MB. N OF 50N E OF 153W WINDS
TO 25 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE S OF 50N BETWEEN 132W AND
149W WINDS LESS THAN 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N166W 976 MB MOVING N 15 KT AND
SECOND CENTER 50N172W 978 MB MOVING S 15 KT. EXCEPT WHERE
DESCRIBED ABOVE...N OF 50N W OF 152W WINDS 25 TO 40 KT. SEAS 3 TO
6.5 M...HIGHEST NEAR 45N161W AND 52N178E. ELSEWHERE S OF 50N
BETWEEN 143W AND 152W WINDS LESS THAN 25 KT. SEAS 3 TO 5.5 M IN
MIXED SWELL.
.24 HOUR FORECAST LOW 45N175W 980 MB WITH FIRST CENTER
DISSIPATED. BETWEEN 167E AND A LINE FROM 65N161W TO 59N163W TO
46N177W AND S OF 46N BETWEEN 170W AND 164E WINDS 25 TO 40 KT.
SEAS 3 TO 6.5 M...HIGHEST NEAR 55N179W TO 43N178E.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED. ASSOCIATED CONDITIONS
MERGED WITH LOW 55N168W DESCRIBED ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 56N175E TO
63N165W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A
LINE FROM 57N176E TO 60N164W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 55N BETWEEN
140W AND 158W...FROM FROM 45N TO 55N BETWEEN 139W AND 147W...AND
WITHIN 240 NM NW OF A LINE FROM 47N180W TO 54N174W TO 59N164W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 53N BETWEEN 163W AND 171W
AND WITHIN 180 NM W AND NW OF A LINE FROM 45N180W TO 50N177W TO
57N170W TO 60N165W.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 55N BETWEEN 142W AND
153W...AND FROM 46B TO 61N BETWEEN 164W AND 179W.

.FORECASTER JOSEPH. 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 NOV 30.
24 HOUR FORECAST VALID 1800 UTC MON DEC  1.
48 HOUR FORECAST VALID 1800 UTC TUE DEC  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N114W TO 19N114W TO 18N116W TO 17N119W TO 16N118W TO
17N116W TO 18N114W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST CONDITIONS IMPROVE.

.WITHIN 30N129W TO 30N138W TO 27N136W TO 27N133W TO 30N129W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N132W TO 30N140W TO 17N140W TO
25N134W TO 30N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
SWELL.
.48 HOUR FORECAST WITHIN 21N126W TO 30N124W TO 30N140W TO
10N140W TO 12N134W TO 21N126W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN NW SWELL.

.03 HOUR FORECAST WITHIN 23N106W TO 24N107W TO 24N108W TO
23N107W TO 22N107W TO 22N106W TO 23N106W NW TO N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.15 HOUR FORECAST CONDITIONS IMPROVE.

.03 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.

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

CONVECTION VALID AT 2030 UTC SUN NOV 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 08N81W TO 08N105W TO 08N128W. ITCZ AXIS
FROM 08N128W TO 06N140W. NUMEROUS MODERATE ISOLATED STRONG FROM
11N TO 20N BETWEEN 109W AND 116W.

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC NOV 30 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 01 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 02 2025.

.WARNINGS.

...STORM WARNING...
.LOW 29N177W 996 MB. WARM FRONT 29N170W 30N173W 30N176W TO LOW.
COLD FRONT FROM LOW TO 27N178W 25N179W 23N177E 21N173E 19N167E
19N164E 19N160E. LOW MOVING NE 30 KT, FRONT MOVING E 25 KT WINDS
30
TO 50 KT N OF 25N BETWEEN 171W AND 176E. WINDS 20 TO 30 KT
ELSEWHERE N OF 22N BETWEEN 166W AND 167E.
.24 HOUR FORECAST LOW MOVED N OF AREA. COLD FRONT 30N162W 24N169W
19N180E 17N169E THENCE TROUGH 16N160E. SW WINDS 20 TO 30 KT WITHIN
330 NM E OF FRONT N OF 23N. NW WINDS 20 TO 25 KT N OF A LINE
30N170W 26N180E 30N170E.
.48 HOUR FORECAST COLD FRONT 30N160W 22N166W 18N173W 16N177E
THENCE
TROUGH 16N160E. NW WINDS 20 TO 30 KT NW OF FRONT BETWEEN 169W AND
174W. NE WINDS 20 TO 25 KT WITHIN 420 NM N OF FRONT AND TROUGH W
OF 176W.


.SYNOPSIS AND FORECAST.

.FRONT 25N140W 25N142W 26N145W MOVING S SLOWLY.
.24 HOUR FORECAST FRONT BECAME TROUGH 21N140W 22N144W 24N147W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N157W 28N159W 23N168W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH DISSIPATED.

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

.SEAS 4 TO 5 M N OF A LINE 30N145W 20N155W 07N164W 08N177W
30N163E.
SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N141W 06N160W 02N180W
06N160E.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF 25N BETWEEN 158W AND 167E.
SEAS 2.5 TO 4 M ELSEWHERE OVER FORECAST AREA EXCEPT S OF LINE
14N140W 00N156W...AND S OF 06S W OF 170E.
.48 HOUR FORECAST 4 TO 6 M N OF A LINE 30N166W 24N174W 23N177E
30N171E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N151W 12N178W
06N160E. SEAS 2.5 TO 3 M E OF LINE 30N146W 15N160W 10N180W
00N180W.

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

.ITCZ 07N140W 06N147W 07N160E. SCATTERED MODERATE TSTMS WITHIN
150 NM OF OF ITCZ W OF 180W. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 150 NM N OF ITCZ E 165W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.