646
FZPN02 KWBC 051125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 05.
24 HOUR FORECAST VALID 0600 UTC DEC 06.
48 HOUR FORECAST VALID 0600 UTC DEC 07.

.WARNINGS.

...STORM WARNING...
.LOW 52N143W 1005 MB MOVING E 20 KT. FROM 45N TO 52N BETWEEN
138W AND 151W WINDS 25 TO 35 KT. SEAS TO 4 M.
.12 HOUR FORECAST LOW 52N134W 995 MB. FROM 48N TO 52N BETWEEN
132W AND 137W WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
.24 HOUR FORECAST LOW 52N129W 999 MB. FROM 46N TO 52N E OF 140W
WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 60N148W 1011 MB MOVING S 5 KT. FROM 54N TO 60N BETWEEN 157W
AND 173W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 58N148W 988 MB. N OF 57N BETWEEN 161W AND
166W...ALSO FROM 55N TO 60N BETWEEN 152W AND 159W WINDS 25 TO 40
KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 57N150W 971 MB. BETWEEN 55N AND 60N FROM
162W TO 166W WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN
480 NM NE AND 720 NM SE QUADRANTS...ALSO WITHIN 660 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST NEAR
48N147W.

...STORM WARNING...
.LOW W OF AREA 38N153E 1006 MB MOVING NE 30 KT.
.24 HOUR FORECAST LOW 46N167E 982 MB. WITHIN 120 NM W SEMICIRCLE
AND NE QUADRANT WINDS 35 TO 50 KT. SEAS 5 TO 7.5 M. ELSEWHERE
WITHIN 240 NM N...300 NM E...420 NM SE...540 NM S...360 NM SW
AND 180 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M.
.48 HOUR FORECAST LOW 46N174E 988 MB. FROM 42N TO 47N BETWEEN
168E AND 178E WINDS 35 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE FROM
38N TO 47N BETWEEN 166E AND 178W...AND WITHIN 300 NM N AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 49N167W 996 MB. WITHIN 120 NM S
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY
49N175W...47N175W...43N163W...47N158W...48N161W...50N165W...49N17
5W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 57N150W.

...GALE WARNING...
.LOW 53N151W 1007 MB MOVING NE 15 KT. CONDITIONS DESCRIBED WITH
LOW 52N143W.
.24 HOUR FORECAST LOW 57N143W 985 MB. FROM 47N TO 56N BETWEEN
139W AND 154W WINDS 25 TO 35 KT. SEAS TO 3 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 57N150W.

...GALE WARNING...
.LOW W OF AREA 58N150E 951 MB MOVING W 10 KT. FRONT EXTENDS FROM
57N170E TO 50N176E TO 44N180W TO 37N175E TO 30N165E. WITHIN 180
NM E AND NE OF FRONT N OF 33N...ALSO W OF A LINE FROM 54N168E TO
45N162E...AND WITHIN 180 NM W OF A LINE FROM 48N168E TO 46N172E
TO 43N173E TO 41N172E WINDS 25 TO 35 KT. SEAS 5 TO 9 M...EXCEPT
3 TO 7 M E OF FRONT.
.24 HOUR FORECAST LOW AND CONDITIONS WELL W OF AREA.

...GALE WARNING...
.24 HOUR FORECAST LOW 38N179W 1014 MB. WITHIN 180 NM E AND SE OF
A LINE FROM 39N178W TO 36N178E TO 34N174E WINDS 25 TO 35 KT.
SEAS TO 4 M.
.48 HOUR FORECAST LOW 45N173W 988 MB. FROM 37N TO 45N BETWEEN
162W AND 178W...ALSO WITHIN 240 NM N SEMICIRCLE WINDS 30 TO 45
KT. SEAS 3 TO 6.5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 59N BETWEEN 162W AND
167W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N157W TO 61N177W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N157W TO 59N166W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 57N155W TO 61N177W.
.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 60N145W TO 59N151W TO 54N157W TO 54N165W
TO 61N177W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 52N
BETWEEN 132W AND 136W...ALSO FROM 51N TO 54N BETWEEN 136W AND
153W...AND WITHIN 120 NM NE OF A LINE FROM 55N171E TO 51N175E.
.24 HOUR FORECAST DENSE FOG N OF 59N E OF 146W...ALSO FROM 45N
TO 49N BETWEEN 165E AND 169E.
.48 HOUR FORECAST DENSE FOG BETWEEN 57N AND 60N FROM 149W TO
151W...ALSO FROM 47N AND 49N BETWEEN 170E AND 173E.

.FORECASTER SHAW. OCEAN PREDICTION CENTER.

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 FRI DEC 5.
24 HOUR FORECAST VALID 0600 UTC SAT DEC 6.
48 HOUR FORECAST VALID 0600 UTC SUN DEC 7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.12 HOUR FORECAST WITHIN 26N129W TO 30N140W TO 09N140W TO
13N137W TO 20N137W TO 26N129W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MIXED NE AND NW SWELL.
.24 HOUR FORECAST WITHIN 29N134W TO 30N140W TO 08N140W TO
09N139W TO 20N136W TO 22N129W TO 29N134W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST WITHIN 21N133W TO 23N135W TO 25N140W TO
08N140W TO 08N139W TO 17N137W TO 21N133W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.

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

CONVECTION VALID AT 0700 UTC FRI DEC 5...

.TROUGH FROM 25N113W TO 16N117W...SCATTERED MODERATE WITHIN 360
NM E OF TROUGH.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N78.5W TO 10N90W TO 09.5N104W. ITCZ FROM
09.5N104W TO 08N132W TO BEYOND 08.5N140W. SCATTERED MODERATE
FROM 01.5N TO 05N BETWEEN 78W AND 84.5W...FROM 05N TO 09.5N
BETWEEN 84.5W AND 90W...FROM 12N TO 15N BETWEEN 104W AND 111W...
AND FROM 06N TO 10.5N BETWEEN 129.5W AND 137W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC DEC 05 2025.
24 HOUR FORECAST VALID 0600 UTC DEC 06 2025.
48 HOUR FORECAST VALID 0600 UTC DEC 07 2025.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N155W 24N160W 15N170W 08N177E MOVING W SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 270 NM W OF TROUGH S OF 20N...AND WITHIN 90
NM
E OF TROUGH S OF 18N.
.24 HOUR FORECAST TROUGH 30N158W 20N172W 08N178W 06N178E.
.48 HOUR FORECAST TROUGH 30N163W 23N172W.

.FRONT 30N165E 28N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N167E 27N160E.
.48 HOUR FORECAST FRONT 30N176E 28N168E THENCE TROUGH TO 27N160E.
NE
WINDS 20 TO 30 KT N OF FRONT AND TROUGH.

.48 HOUR FORECAST NEW TROUGH 21N175E 08N174E 04N177E.

.NE WINDS 20 TO 30 KT BETWEEN TWO LINES 22N163W 10N176W 10N165E
AND
28N175W 20N160E. E WINDS 20 TO 25 KT FROM 15N TO 22N BETWEEN
145W AND 156W.
.24 HOUR FORECAST WINDS 20 TO 30 KT BETWEEN TWO LINES 22N165W
07N180E 06N160E AND 27N180E 19N160E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 21N BETWEEN 180E
AND
167E.

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

.SEAS 4 TO 5 M BETWEEN TWO LINES 23N162W 13N171W 10N170E AND
30N175E
20N165E. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE 30N141W 16N152W
03N180E 10N160E.
.24 HOUR FORECAST SEAS 4 TO 5 M FROM 25N TO 11N BETWEEN 169W AND
162E. SEAS 2.5 TO 4 M ELSEWHERE N OF 07N.
.48 HOUR FORECAST SEAS 2.5 TO 4 M FROM 03N TO 24N BETWEEN 140W AND
176W...AND N OF 03N W OF 176W.

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

.ITCZ 06N140W 08N151W 04N164W 03N178E 03N176E 02N160E. ISOLATED
MODERATE TSTMS WITHIN 210 NM OF ITCZ W OF 167W.

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

$$

.FORECASTER TSAMOUS. HONOLULU HI.