East and Central North Pacific High Seas Forecast

FZPN02 KWBC 311725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED DEC 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 31. 
24 HOUR FORECAST VALID 1200 UTC JAN 01.
48 HOUR FORECAST VALID 1200 UTC JAN 02.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.06 HOUR FORECAST LOW 41N161E 999 MB. WITHIN 240 NM E AND 420 NM
S QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.12 HOUR FORECAST LOW 44N165E 992 MB. WITHIN 90 NM SW QUADRANT
WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.18 HOUR FORECAST LOW 46N169E 987 MB. WITHIN 90 NM S SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 4 TO 6 M. 
.24 HOUR FORECAST LOW 49N172E 989 MB. WITHIN 150 NM S SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN 120 NM N...240
NM E...300 NM S...AND 240 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 6 M.
.48 HOUR FORECAST LOW 57N172W 1003 MB. FROM 51N TO 57N BETWEEN
160W AND 180W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.

...GALE WARNING... 
.LOW 58N140W 993 MB MOVING NW 20 KT. WITHIN 120 NM N...240 NM
E...360 NM S...AND 660 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 3
TO 6 M.
.24 HOUR FORECAST LOW 58N142W 1007 MB. WITHIN 120 NM N QUADRANT
AND BETWEEN 120 NM AND 600 NM SW QUADRANTS WINDS 25 TO 35 KT.
SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 58N139W 1007 MB. WITHIN 120 NM NE AND 480
NM SW QUADRANTS WINDS TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 45N147W 1010 MB MOVING SE 20 KT. FROM 38N TO 52N BETWEEN
150W AND 160W WINDS 25 TO 35 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST LOW 41N137W 999 MB. S OF 52N BETWEEN 140W AND
158W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 41N138W 994 MB. WITHIN 180 NM W SEMCIRCLE
WINDS 30 TO 45 KT. SEAS 4 TO 8 M. ELSEWHERE S OF 46N BETWEEN 127W
AND 150W WINDS 25 TO 35 KT. SEAS 3 TO 7 M...HIGHEST W OF 138W. 

...GALE WARNING...
.LOW 51N168E 984 MB MOVING NE 25 KT. N OF 45N W OF 172W WINDS 25
TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW N OF AREA 58N173E 995 MB. N OF 60N W OF
ALASKA AND WITHIN 300 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO
5 M.
.48 HOUR FORECAST LOW WELL N OF AREA. N OF 61N W OF ALASKA WINDS
TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 38N172E 1012 MB MOVING NE 20 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 40N158E 1002 MB. S OF 43N W OF
168E WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 50N168E 990 MB. FROM 40N TO 53N W OF 175W
AND W OF A LINE FROM 40N175E TO 30N168E WINDS 25 TO 40 KT. SEAS 3
TO 6 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 168W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF ALASKA...AND FROM
56N TO 59N BETWEEN 153W AND 163W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N151W TO 56N158W TO 61N177W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 57N W OF
179E...N OF 47N W OF 164E...AND N OF 63N W OF ALASKA. 
.24 HOUR FORECAST WITHIN 120 NM NE OF A LINE FROM 55N171W TO
59N179E.
.48 HOUR FORECAST DENSE FOG N OF 61N W OF ALASKA...AND FROM 47N
TO 52N W OF 179E.

.FORECASTER KREKELER. 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 WED DEC 31.
24 HOUR FORECAST VALID 1200 UTC THU JAN  1.
48 HOUR FORECAST VALID 1200 UTC FRI JAN  2.

.WARNINGS.

...GALE WARNING...
.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 4.0 TO 5.0 M. ELSEWHERE...WITHIN 14N94W TO 16N95W
TO 14N98W TO 13N100W TO 11N99W TO 12N95W TO 14N94W NE WINDS 20 
TO 30 KT. SEAS 3.5 TO 4.5 M. REMAINDER OF AREA...WITHIN 16N94W TO
13N103W TO 11N104W TO 08N100W TO 08N96W TO 11N92W TO 16N94W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS 3.5 TO 4.0 M. 
ELSEWHERE...WITHIN 15N94W TO 16N95W TO 15N96W TO 13N97W TO 14N95W
TO 14N94W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 
M. REMAINDER OF AREA...WITHIN 13N94W TO 16N95W TO 13N99W TO 
11N107W TO 06N102W TO 07N95W TO 13N94W WINDS 20 KT OR LESS. SEAS 
2.5 TO 3.0 M IN NE SWELL.
.30 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 13N96W TO 14N95W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE...WITHIN 10N97W TO 16N95W TO
11N107W TO 06N102W TO 09N100W TO 07N97W TO 10N97W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 10N86W TO 11N86W TO 11N87W TO 10N89W TO 08N89W TO 09N88W
TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 30 
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 
TO 25 KT. SEAS LESS THAN 2.5 M.

.WITHIN 22N130W TO 21N135W TO 26N140W TO 16N140W TO 20N132W TO
22N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE.

.27 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 30N135W TO 
30N137W TO 28N139W TO 28N138W TO 28N136W TO 29N136W TO 30N135W 
SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 30N132W TO 24N140W. WITHIN 
30N132W TO 30N140W TO 26N140W TO 27N136W TO 28N133W TO 30N132W W 
TO NW WINDS 20 TO 30 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE...WITHIN 
30N127W TO 30N140W TO 24N140W TO 26N133W TO 30N127W W WINDS 20 TO
30 KT. SEAS 2.5 TO 3.5 M.

.33 HOUR FORECAST WITHIN 20N105W TO 20N106W TO 19N106W TO
19N105W TO 20N105W...INCLUDING NEAR CABO CORRIENTES...NW TO N 
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.

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

CONVECTION VALID AT 1530 UTC WED DEC 31...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 07N78W TO 09N85W TO 05N95W. ITCZ AXIS
FROM 05N95W TO 13N122W TO 06N140W. SCATTERED MODERATE FROM 08N 
TO 24N BETWEEN 108W AND 112W.

.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC DEC 31 2025.
24 HOUR FORECAST VALID 1200 UTC JAN 01 2026.
48 HOUR FORECAST VALID 1200 UTC JAN 02 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N148W 25N155W 22N163W MOVING E 20 KT.
.24 HOUR FORECAST FRONT 30N141W 25N150W 24N161W. WINDS 20 TO 25
KT N OF FRONT.
.48 HOUR FORECAST FRONT 22N140W 20N150W 21N160W. WINDS 20 TO 25
KT N OF 26N E OF 151W.

.FRONT 30N179W 21N170E 18N160E MOVING NE 15 KT N OF 22N AND NEARLY
STATIONARY ELSEWHERE. WINDS 20 TO 25 KT WITHIN 300 NM NW OF FRONT.
ISOLATED MODERATE TSTMS WITHIN 90 NM E OF FRONT BETWEEN 170E AND
180W.
.24 HOUR FORECAST FRONT 30N173W 20N180E 14N170E 14N160E. WINDS 20 
TO
25 KT NW OF FRONT.
.48 HOUR FORECAST NEW LOW NEAR 30N171W 1012 MB. FRONT WEAKENED TO 
TROUGH.
TROUGH FROM LOW TO 20N174W 12N177W. WINDS 20 TO 25 KT N OF LINE 
14N170E
20N180E 28N171W 20N160W.

.TROUGH 15N177W 24N178W MOVING NE 10 KT. NUMEROUS STRONG TSTMS 
FROM
20N TO 26N BETWEEN 180W AND 172W.
.24 HOUR FORECAST NEW TROUGH 27N173W 23N175W 15N175W. WINDS 20 TO 
25
KT WITHIN 120 NM W OF FRONT FROM 22N TO 25N.
.48 HOUR FORECAST TROUGH MERGED WITH NEW LOW AND TROUGH DESCRIBED 
DIRECTLY
ABOVE.

.SEAS 2.5 TO 4.5 M NW OF A LINE 16N160E 18N170E 30N180W. SEAS 2.5
TO 3 M ELSEWHERE N OF 10N E OF 180W.
.24 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF 20N BETWEEN 170E AND 
180W.
SEAS 2.5 TO 4 M ELSEWHERE N OF 10N W OF 170W. SEAS 2.5 TO 3 M 
ELSEWHERE
N OF 15N E OF 170W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 18N BETWEEN 173E AND 177W... 
AND
N OF A LINE 30N157W 26N150W 25N140W. SEAS 2.5 TO 4 M ELSEWHERE OF 
AN
AREA BOUNDED BY 30N175E 30N140W 24N140W 22N160W 27N175W 10N177E
10N160E 30N175E.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.ITCZ 06N140W 06N163W 07N171W 03N173E 03N176E. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF ITCZ E OF 165W.

.ISOLATED MODERATE TSTMS FROM 10N TO 13N BETWEEN 167W AND 160W....
AND S OF 07S W OF 167E.

$$

.FORECASTER SHIGESATO. HONOLULU HI.