HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN DEC 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 28.
24 HOUR FORECAST VALID 0600 UTC DEC 29.
48 HOUR FORECAST VALID 0600 UTC DEC 30.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 59N144W 985 MB NEARLY STATIONARY
AND SECOND CENTER 50N164W 979 MB MOVING SE 10 KT AND THIRD
CENTER 43N160W 986 MB MOVING NE 20 KT. WITHIN 300 NM W AND NW
QUADRANTS OF SECOND CENTER WINDS 40 TO 55 KT. SEAS 6 TO 10 M.
ELSEWHERE N OF A LINE FROM 30N179W TO 30N147W TO 50N128W WINDS
25 TO 40 KT. SEAS 3 TO 8 M...HIGHEST NEAR
51N171W...35N165W...48N144W...AND 59N142W.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 59N144W 996 MB
AND SECOND CENTER 46N162W 986 MB AND THIRD CENTER 51N154W 976
MB. WITHIN 960 NM E...1140 NM REMAINDER SE...900 NM SW...AND 720
NM NW AND NE QUADRANTS OF THIRD CENTER WINDS 25 TO 40 KT. SEAS 3
TO 8 M...HIGHEST NEAR 42N165W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 52N151W 985 MB.
NE OF A LINE FROM 33N145W TO 44N168W TO 53N175W WINDS 25 TO 40
KT. SEAS 3 TO 6 M.
...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER W OF AREA NEAR 35N156E 1007 MB
MOVING NE 20 KT AND RAPIDLY INTENSIFYING. FROM 32N TO 38N W OF
169E WINDS TO 25 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 36N161E 999
MB. FROM 30N TO 45N W OF 174E WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST COMBINED LOW 38N166E 981 MB. WITHIN 240 NM SW
OF A LINE FROM 36N165E TO 41N160E WINDS 40 TO 50 KT. SEAS 5 TO 8
M. ELSEWHERE FROM 30N TO 47N W OF 178E WINDS 25 TO 40 KT. SEAS 3
TO 6 M.
.48 HOUR FORECAST LOW 42N167E 973 MB. WITHIN 240 NM SW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 6 TO 9.5 M. ELSEWHERE W OF A
LINE FROM 30N180W TO 43N175W TO 53N180W WINDS 25 TO 40 KT. SEAS
3.5 TO 7 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY IN THE COOK INLET...AND N OF
57N BETWEEN 158W AND 170W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 55N BETWEEN 151W AND 179W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NE OF A
LINE FROM 55N157W TO 59N170W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF A LINE FROM 60N143W TO 53N161W TO 57N174W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 55N158W TO 59N167W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY NE AND N OF A LINE FROM 53N157W TO 58N170W.
.SYNOPSIS AND FORECAST.
.LOW 39N173E 1014 MB MOVING SE 15 KT. FROM 38N TO 49N BETWEEN
173E AND 167E WINDS 20 TO 30 KT. SEAS 3 TO 5 M. ALSO FROM 38N TO
49N W OF 167E WINDS LESS THAN 25 KT. SEAS 3.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED ABOVE
IN WARNINGS SECTION WITH LOW 38N166E.
.N OF 49N W OF 174E WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST CONDITIONS MOVED NW OF AREA.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 780 NM NW OF
A LINE FROM 51N128W TO 41N161W...AND N OF 48N BETWEEN 173E AND
168E.
.24 HOUR FORECAST DENSE FOG N OF 54N E OF 146W...FROM 44N TO 58N
BETWEEN 146W AND 168W...AND N OF 46N W OF 163E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 53N BETWEEN 141W AND
132W...N OF 57N E OF 151W...FROM 45N TO 55N BETWEEN 149W AND
158W...AND FROM 40N TO 50N W OF 169E.
.FORECASTER KELLS. 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 SUN DEC 28.
24 HOUR FORECAST VALID 0600 UTC MON DEC 29.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 30.
.WARNINGS.
...GALE WARNING...
.42 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 25 TO 35
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95.5W TO 15.5N95.5W TO
15N95.5W TO 14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF
OF TEHUANTEPEC...N TO NE WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W
TO 14N94W TO 16N94W N TO NE WINDS 25 TO 30 KT. SEAS 2.5 TO 3 M.
.SYNOPSIS AND FORECAST.
.TROUGH FROM 20N124W TO 15N127W TO 11N129W. WITHIN 24N122W TO
24N130W TO 22N139W TO 20N138W TO 19N129W TO 21N125W TO 24N122W NE
WINDS 20 TO 25 KT. SEAS 3 TO 4 M IN NW TO N SWELL. ELSEWHERE
WITHIN 24N113W TO 30N116W TO 30N136W TO 28N140W TO 04N140W TO
10N126W TO 24N113W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN
60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO
N SWELL.
.24 HOUR FORECAST TROUGH FROM 21N125W TO 15N127W TO 11N129W.
WITHIN 25N125W TO 28N132W TO 24N140W TO 16N140W TO 17N130W TO
19N125W TO 18N120W TO 21N116W TO 25N125W NE WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN 21N110W TO 29N129W TO 26N140W
TO 08N140W TO 09N127W TO 11N116W TO 21N110W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
.42 HOUR FORECAST LOW PRES NEAR 19N126W 1006 MB WITH TROUGH TO
09N131W AND ANOTHER TROUGH FROM THE LOW TO 24N124W. WITHIN
25N121W TO 27N129W TO 25N137W TO 19N138W TO 18N117W TO 25N121W NE
TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN
23N117W TO 30N126W TO 27N134W TO 29N140W TO 07N140W TO 16N118W TO
23N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED N AND E
SWELL.
.48 HOUR FORECAST LOW PRES NEAR 20N127W 1006 MB WITH TROUGH TO
09N130W. LITTLE CHANGE IN CONDITIONS.
.18 HOUR FORECAST WITHIN 07N117W TO 07N122W TO 06N133W TO
04N126W TO 03.5N122W TO 04.5N118W TO 06N116W TO 07N117W WINDS
20 KT OR LESS. SEAS TO 2.5 IN NW TO N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 08N116W TO 10N122W TO 09N130W TO
06N126W TO 05N122W TO 07N119W TO 08N116W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NW TO N SWELL.
.WITHIN 11N86W TO 12N86W TO 12N88W TO 11N88W TO 10N87W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.15 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N87W TO 11N86W...
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N88W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0815 UTC SUN DEC 28...
.TROUGH FROM 20N124W TO 15N126W TO 12N127W...NUMEROUS MODERATE
FROM 15N TO 27N BETWEEN 117W AND 125W. SCATTERED MODERATE FROM
12N TO 15N BETWEEN 116N AND 125W AND ALSO FROM 12N TO 20N BETWEEN
125W AND 134W.
.SCATTERED MODERATE WITHIN 60 NM OF 07N95W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N79W TO 09N91W TO 08N100W.
THE ITCZ AXIS EXTENDS FROM 08N100W TO 09N115W TO 10N124W TO
08N133W TO 07N140W. SCATTERED MODERATE WITHIN 180 NM N OF TROUGH
BETWEEN 116W AND 120W.
$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC DEC 28 2025.
24 HOUR FORECAST VALID 0600 UTC DEC 29 2025.
48 HOUR FORECAST VALID 0600 UTC DEC 30 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N159W 25N163W 21N169W MOVING NE 15 KT. WINDS 20 TO
30 KT N OF 28N BETWEEN 172W AND 151W. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N153W 25N158W THENCE TROUGH
21N166W. WINDS EASED 20 KT OR LESS.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N152W 25N157W
22N163W.
.24 HOUR FORECAST NEW FRONT 30N168E 24N160E. WINDS 20 TO 25 KT N
OF LINE 30N169E 25N165E 30N173E.
.48 HOUR FORECAST FRONT 30N176E 25N169E 21N160E. WINDS 20 TO 25
FROM 24N TO 21N W OF 169E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 23N TO 16N E OF 146W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 13N E OF 151W.
.SEAS 4 TO 5 M N OF LINE 30N177W 27N169W 30N163W. SEAS 2.5 TO 4 M
ELSEWHERE N OF LINE 30N172E 24N174W 30N157W...AND E OF LINE
29N140W 26N146W 11N160W 04N155W 04N140W. SEAS 2.5 TO 3 M FROM 16N
TO 07N W OF 177W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 24N160E 18N172W
23N159W 30N150W...AND E OF LINE 26N140W 23N151W 14N157W 08N140W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 29N160E 27N165E
30N171E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 20N160E 26N177E
20N168E 12N167E 11N176W 14N158W 08N140W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.
.ITCZ 06N140W 06N151W 09N160W 09N170W 04N170E 03N160E. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ W OF 170E.
.ISOLATED MODERATE TSTMS N OF 26N BETWEEN 178W AND 163W.
$$
.FORECASTER PIERCE. HONOLULU HI.=