HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN DEC 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 14.
24 HOUR FORECAST VALID 1800 UTC DEC 15.
48 HOUR FORECAST VALID 1800 UTC DEC 16.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 53N141W 966 MB MOVING N 10 KT.
FROM 51N TO 53N BETWEEN 136W AND 142W WINDS 40 TO 50 KT. SEAS 5
TO 7 M. ELSEWHERE N OF A LINE FROM 49N128W TO 38N165W TO 38N174W
WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR 50N157W AND
51N138W.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 57N142W 968 MB.
FROM 54N TO 58N BETWEEN 137W AND 144W WINDS 40 TO 50 KT. SEAS 5
TO 7.5 M. ELSEWHERE FROM 36N TO 60N BETWEEN 130W AND 151W...AND
N OF 50N BETWEEN 151W AND 159W WINDS 25 TO 40 KT. SEAS 3 TO 7.5
M...EXCEPT N OF THE ALEUTIAN ISLANDS SEAS 2.5 TO 3 M.
.48 HOUR FORECAST COMBINED LOW 57N139W 981 MB. WITHIN 120 NM N
QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 5.5 M. ELSEWHERE FROM 52N
TO 59N BETWEEN 135W AND 151W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 45N139W 984 MB MOVING NE 30 KT.
WITHIN 240 NM SE AND S QUADRANTS WINDS 40 TO 50 KT. SEAS 4 TO
5.5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 49N128W
TO 37N161W TO 30N164W TO 30N140W TO 40N130W TO 49N128W WINDS 25
TO 40 KT. SEAS 3.5 TO 7 M.
.24 HOUR FORECAST COMBINED LOW INLAND 54N127W 988 MB. FROM 40N
TO 52N E OF 130W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW MOVED WELL INLAND AND CONDITIONS DESCRIBED
BELOW WITH LOW 51N135W.
...STORM WARNING...
.LOW 35N179W 999 MB MOVING SE 20 KT. WITHIN 120 NM S AND SW
QUADRANTS WINDS 40 TO 50 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 30N
TO 50N BETWEEN 174W AND 166E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER S OF AREA NEAR
29N177W 998 MB AND NEW SECOND CENTER 31N169W 999 MB. FROM 30N TO
39N BETWEEN 161W AND 175E WINDS 25 TO 35 KT. SEAS 3.5 TO 6 M.
.30 HOUR FORECAST LOW 33N169W 995 MB. WITHIN 180 NM N QUADRANT
WINDS 40 TO 50 KT. SEAS 5 TO 7 M.
.48 HOUR FORECAST LOW 33N164W 1002 MB. FROM 30N TO 40N BETWEEN
150W AND 180W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M.
...STORM WARNING...
.06 HOUR FORECAST LOW W OF AREA 43N146E 969 MB. W OF A LINE FROM
31N160E TO 41N164E TO 49N160E WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5
M.
.18 HOUR FORECAST LOW W OF AREA 44N150E 977 MB. FROM 36N TO 45N
W OF 163E WINDS 40 TO 50 KT. SEAS 5 TO 7 M.
.24 HOUR FORECAST LOW W OF AREA 48N150E 984 MB. WITHIN 180 NM N
AND E OF A FRONT FROM 45N160E TO 39N162E WINDS 40 TO 50 KT. SEAS
5 TO 7 M. ELSEWHERE W OF A LINE FROM 30N165E TO 40N175E TO
49N173E TO 53N167E WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER WELL W OF AREA
AND NEW SECOND CENTER 43N169E 1015 MB. N OF 38N BETWEEN 177E AND
165E WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ALSO N OF 33N W OF 165E
WINDS TO 25 KT. SEAS 3.5 TO 6 M.
...STORM WARNING...
.24 HOUR FORECAST FROM 39N TO 63N BETWEEN 159W AND 179E WINDS 25
TO 40 KT. SEAS 3.5 TO 6.5 M.
.48 HOUR FORECAST NEW LOW 56N153W 998 MB. WITHIN 420 NM W
QUADRANT WINDS 40 TO 50 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN
480 NM W QUADRANT...AND N OF 41N BETWEEN 154W AND 172W WINDS 25
TO 40 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 45N152W 999 MB. FROM 35N TO 45N
BETWEEN 151W AND 159W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST LOW 51N135W 995 MB. FROM 37N TO 52N BETWEEN
124W AND 157W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 32N167E 1012 MB. FROM 30N TO 36N
BETWEEN 168E AND 164E WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE FROM 56N158W TO
59N167W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 57N136W TO 59N146W TO 53N157W TO 62N175W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 57N156W TO 58N165W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 57N136W TO 59N146W TO 55N158W TO 61N176W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NE OF A LINE
FROM 57N156W TO 59N167W TO 64N171W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF A LINE FROM 57N136W TO 59N146W TO 56N156W TO
61N177W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 57N
BETWEEN 136W AND 159W...AND FROM 43N TO 54N BETWEEN 169E AND
166E.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM SE OF A LINE FROM
60N144W TO 50N160W.
.48 HOUR FORECAST DENSE FOG FROM 36N TO 42N BETWEEN 122W AND
134W...FROM 51N TO 59N BETWEEN 133W AND 147W...AND N OF 49N
BETWEEN 167E AND 164E.
.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 1800 UTC SUN DEC 14.
24 HOUR FORECAST VALID 1800 UTC MON DEC 15.
48 HOUR FORECAST VALID 1800 UTC TUE DEC 16.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO 16N94W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.06 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N96W TO 14N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 3 TO 4 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO
14N96W TO 14N95W TO 15N94W TO 16N94W N TO NE WINDS 20 TO 30 KT.
SEAS 2.5 TO 3 M.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N96W TO 13N95W TO
16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO
13N97W TO 13N95W TO 14N94W TO 16N94W N TO NE WINDS 20 TO 30 KT.
SEAS 3 TO 3.5 M. REMAINDER OF AREA WITHIN 13N95W TO 13N97W TO
12N101W TO 11N99W TO 12N96W TO 13N95W TO 13N96W NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N95W TO 14N96W TO
14N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 14N93W TO
16N95W TO 12N99W TO 11N105W TO 10N100W TO 10N97W TO 14N93W WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 15N121W TO 12N129W TO 14N140W TO 08N140W TO 10N121W TO
12N120W TO 15N121W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW
SWELL.
.06 HOUR FORECAST WITHIN 15N123W TO 16N132W TO 15N140W TO
08N140W TO 11N134W TO 15N123W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N124W TO 20N133W TO 22N140W TO
08N140W TO 12N129W TO 16N124W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3 M.
.06 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 11N89W TO 10N89W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 28N140W TO
29N137W TO 30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN W TO
NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2130 UTC SUN DEC 14...
.TROUGH FROM 15N121W TO 09N125W...SCATTERED MODERATE FROM 10N TO
16N BETWEEN THE TROUGH AND 128W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 08N99W TO 08N110W TO
11N121W. THE ITCZ EXTENDS FROM 10N126W TO 08N134W TO 08N140W.
SCATTERED MODERATE WITHIN 120 NM S OF TROUGH BETWEEN 82W AND 87W
AND WITHIN 120 NM N OF THE TROUGH BETWEEN 97W AND 102W AND ALSO
BETWEEN 106W AND 112W.
$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC DEC 14 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 15 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 16 2025.
.WARNINGS.
...GALE WARNING...
.FRONT 30N175W 25N180W 25N175E MOVING E 20 KT. WINDS 20 TO 30 KT
N OF FRONT E OF 175E.
.06 HOUR FORECAST 30N170W 25N180W 25N175E. WINDS 30 TO 35 KT
N OF 28N BETWEEN 178W AND 177E. WINDS 20 TO 30 KT ELSEWHERE
N OF LINE 30N170W 25N180W 25N175E 30N173E.
.24 HOUR FORECAST FRONT 30N163W 25N165W 25N170W. WINDS 30 TO
35 KT N OF 25N BETWEEN 165W AND 180W. WINDS 20 TO 30 KT
ELSEWHERE N OF 23N BETWEEN 162W AND 175E.
.48 HOUR FORECAST FRONT 30N158W 22N162W 19N170W. WINDS 30 TO
35 KT N OF 28N BETWEEN 170W AND 175W. WINDS 20 TO 30 KT
ELSEWHERE N OF LINE 30N155W 22N164W 30N177W.
.SYNOPSIS AND FORECAST.
.FRONT 30N151W 25N155W 18N164W MOVING E 15 KT.
.24 HOUR FORECAST FRONT WEAKENING TO TROUGH 30N150W 15N155W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW FRONT NEAR 30N160E. MOVING E 15 KT.
.48 HOUR FORECAST FRONT 30N170E 25N165E 23N160E.
.SEAS 4 TO 6 M N OF LINE 30N150W 25N160W 30N165W. SEAS 2.5 TO 4 M
ELSEWHERE N OF LINE 15N160E 12N180W 30N145W.
.24 HOUR FORECAST SEAS 4 TO 6 M N OF LINE 30N165W 20N180W
30N175E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N160E 20N170E
10S170W 30N140W.
.48 HOUR FORECAST SEAS 4 TO 6.5 M N OF 25N BETWEEN 160W AND 180W.
SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 25N160E 20N170E 15N180W
30N150W...AND FROM 08N TO 15N BETWEEN 145W AND 170W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER THE REMAINDER
OF THE FORECAST AREA.
.ITCZ 05N140W 06N170W 04N175E. ISOLATED MODERATE TSTMS WITHIN
180 NM OF ITCZ W OF 145W...AND BETWEEN 175E AND 160W.
.NUMEROUS STRONG TSTMS N OF 25N BETWEEN 170W AND 175W. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF LINE 30N147W 18N163W.
.ISOLATED MODERATE TSTMS FROM 05N TO 10N W OF 165E.
$$
.FORECASTER PECHACEK. HONOLULU HI.=