HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE DEC 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 23.
24 HOUR FORECAST VALID 1800 UTC DEC 24.
48 HOUR FORECAST VALID 1800 UTC DEC 25.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 36N177W 998 MB MOVING N 25 KT.
WITHIN 240 NM NE OF A LINE FROM 42N176W TO 37N174W TO 34N170W
WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE WITHIN AN AREA
BOUNDED BY
45N174E...30N171W...30N160W...40N165W...51N179W...45N174E WINDS
25 TO 40 KT. SEAS 4 TO 6 M.
.24 HOUR FORECAST LOW WITH MAIN CENTER 46N180W 991 MB AND
SECONDARY CENTER 43N174E 997 MB. WITHIN 480 NM NE QUADRANT OF
MAIN CENTER...AND WITHIN 360 NM W SEMICIRCLE OF SECONDARY
CENTER...ALSO WITHIN 360 NM NE OF A LINE FROM 47N177E TO 34N167W
CENTER WINDS 25 TO 40 KT. SEAS 3.5 TO 6.5 M.
.48 HOUR FORECAST LOW 51N177W 994 MB. WITHIN 600 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 30N TO 54N
BETWEEN 159W AND 168W WINDS 20 TO 30 KT. SEAS TO 3 M.
...STORM WARNING...
.LOW 32N128W 1001 MOVING N 30 KT. S OF A LINE FROM 37N122W TO
37N127W TO 30N133W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST 39N126W 990 MB. WITHIN 60 NM OF THE CALIFORNIA
COAST BETWEEN 36N AND 41N WINDS 40 TO 50 KT. SEAS 4 TO 6 M.
.24 HOUR FORECAST LOW 45N125W 988 MB. WITHIN 60 NM OF THE OREGON
COAST BETWEEN 43N AND 45N WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
ELSEWHERE FROM 42N TO 49N E OF 128W WINDS 20 TO 30 KT. SEAS TO 4
M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
...GALE WARNING...
.LOW NW OF AREA 66N171W 999 MB MOVING NE 25 KT. N OF 60N W OF
ALASKA WINDS 25 TO 35 KT. SEAS TO 4.5 M.
.24 HOUR FORECAST INLAND WITH CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 37N163E 1000 MB MOVING SE 25 KT. W OF A LINE FROM 48N165E
TO 40N162E TO 36N164E TO 30N163E WINDS 30 TO 45 KT. SEAS 4 TO 7
M.
.24 HOUR FORECAST LOW 32N172E 996 MB. S OF 32N BETWEEN 163E AND
177E WINDS WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE S OF
50N W OF 176E WINDS 20 TO 30 KT. SEAS 4 TO 5.5 M.
.48 HOUR FORECAST LOW 37N177W 985 MB. FROM 30N TO 50N BETWEEN
168E AND 180W...ALSO S OF 41N BETWEEN 169W AND 180W WINDS 25 TO
40 KT. SEAS 3 TO 5 M.
...GALE WARNING...
.LOW 49N144W 1007 MB MOVING SE 35 KT. WITHIN AN AREA BOUNDED BY
59N150W...50N144W...30N137W...30N150W...57N157W...59N150W WINDS
25 TO 40 KT. SEAS TO 4.5 M.
.24 HOUR FORECAST LOW 37N133W 993 MB. WITHIN 600 NM S AND SW
QUADRANTS...ALSO FROM 37N TO 46N BETWEEN 134W AND 147W WINDS 30
TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE S OF A LINE FROM 50N128W TO
58N137W TO 45N151W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 41N130W 980 MB. S OF 47N BETWEEN 123W AND
142W WINDS 30 TO 45 KT. SEAS 4 TO 7 M.
...GALE WARNING...
.48 HOUR FORECAST LOW 59N141W 1005 MB. WITHIN 60 NM W AND SW OF
A LINE FROM 59N151W TO 57N179W WINDS 25 TO 35 KT. SEAS TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 63N W OF 168W...ALSO N OF
A LINE FROM 59N154W TO 59N142W TO 54N133W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
ALASKA...AND N OF A LINE FROM 59N154W TO 59N144W TO 54N132W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
ALASKA...AND N OF A LINE FROM 58N153W TO 60N148W TO 59N140W TO
55N132W.
.SYNOPSIS AND FORECAST.
.DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM W OF A
LINE FROM 55N173E TO 50N165E TO 46N163E.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 58N BETWEEN 174W AND
178W...ALSO 44N TO 48N BETWEEN 174W AND 180W...AND FROM 44N TO
50N BETWEEN 172E AND 175E...ALSO WITHIN 120 NM W OF A LINE FROM
53N169E TO 49N165E.
.48 HOUR FORECAST DENSE FOG FROM 40N TO 59N BETWEEN 163W AND
176E.
.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 1800 UTC TUE DEC 23.
24 HOUR FORECAST VALID 1800 UTC WED DEC 24.
48 HOUR FORECAST VALID 1800 UTC THU DEC 25.
.WARNINGS.
...GALE WARNING...
.WITHIN 14N94W TO 16N94W TO 16N96W TO 13N97W TO 11N97W TO 11N96W
TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.06 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS TO GALE FORCE.
.24 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.30 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS TO GALE FORCE.
.42 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.48 HOUR FORECAST WITHIN 14N94W TO 16N94W TO 16N95W TO 13N97W TO
12N97W TO 13N95W TO 14N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
...GALE WARNING...
.WITHIN 30N130W TO 30N131W TO 27N132W TO 27N130W TO 27N129W TO
30N130W NW WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. WITHIN 30N124W
TO 30N134W TO 26N133W TO 25N129W TO 25N126W TO 30N124W SW WINDS
30 TO 35 KT. SEAS 2.5 TO 3.0 M. WITHIN 30N138W TO 30N140W TO
27N140W TO 28N138W TO 30N138W NW TO N WINDS 20 TO 25 KT. SEAS 2.5
TO 4.0 M. ELSEWHERE WITHIN 30N132W TO 30N139W TO 28N140W TO
22N140W TO 26N131W TO 30N132W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.09 HOUR FORECAST WITHIN 30N120W TO 30N126W TO 28N127W TO
26N125W TO 27N121W TO 30N120W SW WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M. WITHIN 30N134W TO 30N140W TO 23N140W TO 24N136W TO 27N135W
TO 30N134W NW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
WITHIN 27N124W TO 30N125W TO 30N135W TO 24N140W TO 20N140W TO
27N124W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED BELOW.
...GALE WARNING...
.24 HOUR FORECAST WITHIN 30N131W TO 30N140W TO 28N140W TO
27N135W TO 28N132W TO 30N131W W WINDS 20 TO 30 KT. SEAS 4.0 TO
4.5 M. WITHIN 30N125W TO 30N131W TO 28N131W TO 26N130W TO
26N127W TO 27N126W TO 30N125W SW TO W WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M. WITHIN 30N118W TO 30N120W TO 29N120W TO 29N119W TO
30N118W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE
WITHIN 30N120W TO 30N126W TO 27N134W TO 28N140W TO 17N140W TO
24N127W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW
SWELL.
.27 HOUR FORECAST WITHIN 30N131.5W TO 30N137W TO 29.5N136W TO
29.5N133.5W TO 30N131.5W W TO NW WINDS 30 TO 35 KT. SEAS 4.0 TO
4.5 M. ELSEWHERE WITHIN 30N123W TO 30N140W TO 27N140W TO 27N137W
TO 27N128W TO 30N123W W WINDS 20 TO 30 KT. SEAS 4.0 TO 5.0 M.
REMAINDER AREA WITHIN 30N119W TO 30N125W TO 27N135W TO 28N140W
TO 20N140W TO 25N125W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5
TO 4.0 M IN NW SWELL.
.36 HOUR FORECAST WITHIN 30N124W TO 30N129W TO 29N131W TO
27N132W TO 26N130W TO 30N124W SW TO W WINDS 20 TO 30 KT. SEAS 3.5
TO 4.0 M. WITHIN 30N129W TO 30N140W TO 28N137W TO 28N132W TO
30N129W W TO NW WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M. ELSEWHERE
WITHIN 30N119W TO 27N130W TO 30N140W TO 18N140W TO 24N126W TO
30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N122W TO 30N127W TO 28N127W TO
28N124W TO 30N122W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M.
WITHIN 30N128W TO 30N140W TO 29N139W TO 28N134W TO 29N130W TO
30N128W W TO NW WINDS 20 TO 25 KT. SEAS 4.0 TO 5.0 M. REMAINDER
AREA WITHIN 30N120W TO 30N140W TO 15N140W TO 21N128W TO 30N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 15N113W TO 17N114W TO 17N117W TO 15N118W TO 12N117W TO
12N114W TO 15N113W E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 12N86W TO 11N88W TO 10N88W TO 10N86W TO 11N86W TO
12N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N86W TO 11N88W TO 10N88W TO 10N86W TO
11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 32N114W TO 32N115W TO 31N115W TO
31N114W TO 32N114W...INCLUDING THE GULF OF CALIFORNIA... S WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. 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 2000 UTC TUE DEC 23...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N85W TO 06N95W TO 10N113W. ITCZ FROM
10N113W TO 11N131W. IT RESUMES FROM 10N138W TO 10N140W.
SCATTERED MODERATE FROM 08N TO 20N BETWEEN 108W AND 121W.
$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC DEC 23 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 24 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 25 2025.
.WARNINGS.
...GALE WARNING...
.FRONT 30N170W 23N170W 12N180E 07S166E NEARLY STATIONARY. WINDS 30
TO 40 KT N OF 28N BETWEEN 165W AND 170W. WINDS 20 TO 30 KT
ELSEWHERE
N OF 20N BETWEEN 150W AND 170E. ISOLATED MODERATE TO LOCALLY
STRONG
TSTMS WITHIN 180 NM E OF FRONT N OF 22N.
.24 HOUR FORECAST FRONT 30N168W 23N170W 12N180E 07S166E. WINDS 20
TO
30 KT N OF 23N BETWEEN 155W AND 178W.
.48 HOUR FORECAST FRONT 30N166W 20N171W 10N178E. WINDS 20 TO 25 KT
N OF 25N BETWEEN 160W AND 175W.
...GALE WARNING...
.FRONT NEAR 30N163E 25N160E MOVING E 25 KT. WINDS 30 TO 35 KT N OF
25N BETWEEN 163E AND 160E. WINDS 20 TO 30 KT ELSEWHERE N OF 25N W
OF 168E.
.24 HOUR FORECAST FRONT 30N175E 23N172E 18N168E. WINDS 30 TO 35 KT
N OF 27N BETWEEN 172E AND 166E. WINDS 20 TO 30 KT ELSEWHERE N OF
20N
W OF 180E.
.48 HOUR FORECAST FRONT 30N170W 28N180W 16N173E. WINDS 20 TO 30 KT
ELSEWHERE N OF 25N BETWEEN 170W AND 170E.
.SYNOPSIS AND FORECAST.
.FRONT 20N140W 19N144W MOVING E 10 KT.
.24 HOUR FORECAST FRONT MOVED E OF AREA.
.TROUGH 13N173W 08N171W MOVING W SLOWLY. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 120 NM SW OF TROUGH S OF 10N.
.24 HOUR FORECAST TROUGH 12N174W 05N175W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 TO 25 KT N OF 23N BETWEEN 140W AND 150W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 28N E OF 145W.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS ELSEWHERE.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 4 TO 5.5 M N 28N BETWEEN 163W AND 168W. SEAS 2.5 TO 4
M ELSEWHERE N OF LINE 23N140W 20N150W 18N70W 15N175E 20N160E.
.24 HOUR FORECAST SEAS 4 TO 6.5 M N OF 23N W OF 170E. SEAS 2.5 TO
4 M ELSEWHERE N OF LINE 18N140W 15N160W 18N160E.
.48 HOUR FORECAST SEAS 4 TO 5.5 M N OF LINE 30N177W 24N178E
20N160E...AND N OF 26N E OF 146W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 15N140W 05N160W 25N170W 14N160E.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.ITCZ 10N140W 08N150W 08N170W. SCATTERED MODERATE TSTMS WITHIN 90
NM OF ITCZ W OF 152W.
$$
.FORECASTER M BALLARD. HONOLULU HI.=