638
FZPN02 KWBC 051725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC FRI DEC 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 05.
24 HOUR FORECAST VALID 1200 UTC DEC 06.
48 HOUR FORECAST VALID 1200 UTC DEC 07.

.WARNINGS.

...STORM WARNING...
.LOW 52N138W 997 MB MOVING E 15 KT. WITHIN 300 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 45N TO 55N
BETWEEN 126W AND 144W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DESCRIBED
BELOW WITH LOW 59N147W.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 52N177E 1007 MB MOVING SE 20 KT
AND SECOND CENTER 49N180W 1002 MB MOVING E 15 KT. FRONT EXTENDS
FROM 56N173E TO FIRST CENTER TO SECOND CENTER TO 44N176W TO
40N178W TO 30N164E. WITHIN 180 NM SE OF FRONT S OF SECOND CENTER
AND 120 NM NE OF FRONT FROM FIRST CENTER TO SECOND CENTER WINDS
25 TO 35 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL. ELSEWHERE WITHIN
240 NM EITHER SIDE OF FRONT WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M IN
MIXED SWELL. HIGHEST W OF FRONT N OF FIRST CENTER.
.24 HOUR FORECAST COMPLEX LOW ABSORBED BY NEW LOW 49N162W 997 MB.
WITHIN 120 NM S SEMICIRCLE WINDS 40 TO 50 KT. SEAS 3 TO 6 M.
ELSEWHERE FROM 41N TO 51N BETWEEN 155W AND 172W WINDS 25 TO 40
KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 58N141W 976 MB. CONDITIONS DESCRIBED BELOW
WITH LOW 56N159W.

...STORM WARNING...
.LOW 41N160E 1002 MB MOVING NE 25 KT. FROM 37N TO 43N W OF 166E
WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. REMAINING SWELL DESCRIBED
BELOW WITH LOW 59N149E.
.24 HOUR FORECAST LOW 47N169E 980 MB. WITHIN 360 NM S AND 180 NM
W QUADRANTS WINDS 40 TO 55 KT. SEAS 5.5 TO 8 M. ELSEWHERE S OF
51N W OF 180W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M. ALSO WITHIN 720
NM E QUADRANT WINDS LESS THAN 25 KT. SEAS 3 TO 4.5 M IN MIXED
SWELL.
.48 HOUR FORECAST LOW 47N176E 988 MB. WITHIN 360 NM SE QUADRANT
AND 360 NM SW SEMICIRCLE WINDS 40 TO 50 KT. SEAS 5 TO 9 M.
ELSEWHERE...EXCPEPT WHERE DESCRIBED BELOW WITH LOW 46N173W...S OF
54N BETWEEN 177W AND 165E AND S OF 36N W OF 165E WINDS 25 TO 40
KT. SEAS 2.5 TO 7 M...HIGHEST NEAR 40N178W.

...STORM WARNING...
.LOW 60N147W 1005 MB MOVING S 05 KT AND RAPIDLY INTENSIFYING.
WINDS LESS THAN 25 KT. SEAS LESS THAN 4 M.
.24 HOUR FORECAST LOW 59N147W 980 MB. WITHIN 540 NM W QUADRANT
WINDS 30 TO 45 KT. SEAS TO 4 M. ELSEWHERE...EXCEPT WHERE
DESCRIBED ABOVE WITH LOW 49N162W...N OF 44N E OF 168W WINDS 25 TO
35 KT. SEAS 2.5 TO 5 M IN MIXED SWELL.
.48 HOUR FORECAST LOW 56N149W 973 MB. WITHIN 300 NM NW QUADRANT
AND N OF 57N BETWEEN 162W AND 166W WINDS 35 TO 50 KT. SEAS 2.5 TO
5 M. ELSEWHERE...EXCEPT WHERE DESCRIBED BELOW WITH LOW
46N173W...N OF 40N BETWEEN 124W AND 174W WINDS 25 TO 40 KT. SEAS
2.5 TO 6.5 M...HIGHEST NEAR 49N147W.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW TO FORM NEAR 40N178E 1004 MB. FROM 33N
TO 43N BETWEEN 170W AND 180W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5
M.
.48 HOUR FORECAST LOW 46N173W 983 MB. WITHIN 120 NM OF CENTER
WINDS 35 TO 50 KT. SEAS 3.5 TO 7 M. ELSEWHERE FROM 33N TO 56N
BETWEEN 160W AND 177W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST
NEAR 40N174W. ELSEWHERE S OF 33N BETWEEN 160W AND 177W WINDS TO
25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 54N151W 1004 MB MOVING NE 20 KT AND RAPIDLY INTENSIFYING.
FROM 45N TO 53N BETWEEN 144W AND 155W WINDS 25 TO 35 KT. SEAS TO
4 M.
.24 HOUR FORECAST LOW 58N139W 980 MB. CONDITIONS DESCRIBED ABOVE
WITH LOW 58N147W.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 56N149W.

...GALE WARNING...
.LOW WELL W OF AREA NEAR 59N149E 958 MB MOVING W 05 KT. N OF 46N
W OF 168E WINDS 25 TO 35 KT. SEAS 6 TO 7.5 M. ELSEWHERE...EXCEPT
WHERE DESCRIBED ABOVE...N OF 30N W OF 178W WINDS LESS THAN 25 KT.
SEAS 2.5 TO 6.5 M IN MIXED SWELL...HIGHEST W.
.24 HOUR FORECAST LOW WELL W OF AREA NEAR 59N144E 999 MB. N OF
50N W OF 172W WINDS LESS THAN 25 KT. SEAS TO 4 M IN MIXED SWELL.
.48 HOUR FORECAST LOW WELL W OF AREA. ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 48N174E 1007 MB MOVING E 30 KT. WITHIN 480 NM S AND 360 NM W
QUADRANTS WINDS 25 TO 35 KT. SEAS 4 TO 6 M IN MIXED SWELL.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
49N1662W DESCRIBED ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 59N BETWEEN W OF ALASKA.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM
61N178W TO 57N158W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 63N174W TO 57N158W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY NE OF A LINE FROM 61N176W TO 57N165W TO 56N156W AND N OF
59N BETWEEN 143W AND 148W..
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 157W AND 169W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 61N177W TO 55N169W TO 54N160W TO 60N146W
TO 58N136W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NE OF
A LINE FROM 55N172E TO 49N179W...WITHIN 90 NM OF 54N150W...AND
WITHIN 120 NM NE OF A LINE FROM 52N133W TO 47N130W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 49N BETWEEN 175E AND 164E
AND N OF 57N BETWEEN 130W AND 151W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 48N BETWEEN 174W AND
180W...FROM 45N TO 49N BETWEEN 174E AND 172E...FROM 55N TO 59N
BETWEEN 150W AND 153W...AND NE OF A LINE FROM 59N148W TO 56N138W.

.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 1200 UTC FRI DEC 5.
24 HOUR FORECAST VALID 1200 UTC SAT DEC  6.
48 HOUR FORECAST VALID 1200 UTC SUN DEC  7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N133W TO 13N137W TO 13N138W TO 10N139W TO 09N134W TO
09N133W TO 11N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED E
AND NW SWELL.
.24 HOUR FORECAST WITHIN 11N140W TO 07N140W TO 08N137W TO
09N136W TO 11N140W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.48 HOUR FORECAST WITHIN 10N137W TO 10N139W TO 10N140W TO
08N140W TO 08N139W TO 09N137W TO 10N137W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED NE AND NW SWELL.

.WITHIN 27N128W TO 27N131W TO 25N131W TO 25N128W TO 26N127W TO
27N128W WINDS 20 KT OR LESS. SEAS 2.5 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 23N131W TO 29N135W TO 29N140W TO
15N140W TO 23N131W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED NW AND NE SWELL.
.48 HOUR FORECAST WITHIN 21N134W TO 23N140W TO 14N140W TO
18N135W TO 21N134W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW SWELL.

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

CONVECTION VALID AT 1200 UTC FRI DEC 5...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N85W TO 09N112W. ITCZ FROM 09N112W TO
BEYOND 06N140W. SCATTERED MODERATE FROM 06N TO 09N BETWEEN 85W
AND 90W...11N TO 15N BETWEEN 102W AND 110W...AND 06N TO 08N
BETWEEN 130W AND 133W.

.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC DEC 05 2025.
24 HOUR FORECAST VALID 1200 UTC DEC 06 2025.
48 HOUR FORECAST VALID 1200 UTC DEC 07 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N160W 24N164W 17N166W 13N170W 09N177W MOVING W SLOWLY.
SCATTERED MODERATE TSTMS WITHIN 420 NM W OF TROUGH S OF 17N.
.24 HOUR FORECAST TROUGH 30N161W 27N165W 22N174W 14N178E.
.48 HOUR FORECAST TROUGH 23N180W 21N175E 12N171E.

.FRONT 30N163E 29N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N171E 27N160E.
.48 HOUR FORECAST FRONT 30N177E 28N168E THENCE TROUGH TO 27N160E.
ENE
WINDS 20 TO 30 KT N OF FRONT AND TROUGH.

.TROUGH 14N165W 10N168W 07N170W MOVING W 10 KT. SCATTERED MODERATE
TSTMS WITHIN 270 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 14N170W 06N175W.
.48 HOUR FORECAST TROUGH 12N173W 08N180E.

.NE WINDS 20 TO 30 KT BETWEEN TWO LINES 26N162W 13N169W 07N168E
AND
28N173W 20N160E. E WINDS 20 TO 25 KT FROM 15N TO 25N BETWEEN
151W AND 160W.
.24 HOUR FORECAST WINDS 20 TO 30 KT BETWEEN TWO LINES 22N167W
07N174E 07N164E AND 25N177W 19N160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 21N BETWEEN 179W
AND
166E.

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

.SEAS 4 TO 5 M FROM 13N TO 26N BETWEEN 168W AND 166E. SEAS 2.5 TO
4
M ELSEWHERE N OF A LINE 13N142W 16N157W 04N180E 08N160E.
.24 HOUR FORECAST SEAS 4 TO 5 M FROM 10N TO 23N BETWEEN 170W AND
168E. SEAS 2.5 TO 4 M ELSEWHERE N OF 06N.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF 26N W OF 177E. SEAS 2.5 TO
3
M ELSEWHERE EXCEPT N OF 22N E OF 174W.

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

.ITCZ 06N140W 08N148W 05N171W 02N178E 03N167E 02N160E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 210 NM N OF ITCZ W OF 168E.
SCATTERED
MODERATE TSTMS ELSEWHERE WITHIN 180 NM OF ITCZ W OF 162W.

.SCATTERED MODERATE TSTMS FROM 06N TO 10N BETWEEN 163W AND 170W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.