HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN JAN 04 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JAN 04.
24 HOUR FORECAST VALID 0600 UTC JAN 05.
48 HOUR FORECAST VALID 0600 UTC JAN 06.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N170E 956 MB MOVING NE 40 KT.
WITHIN 360 NM SE AND 120 NM SW QUADRANTS WINDS 50 TO 65 KT. SEAS
6 TO 12 M. ALSO FROM 38N TO 53N BETWEEN 173W AND 165E WINDS 35 TO
50 KT. SEAS 4.5 TO 9 M. ELSEWHERE FROM 33N TO 58N W OF 167W WINDS
25 TO 35 KT. SEAS 3 TO 7 M. OTHERWISE S OF THE ALEUTIAN ISLANDS W
OF 180W WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 58N179W 952 MB.
FROM 50N TO 56N BETWEEN 160W AND 173E...AND N OF 59N W OF 172W
WINDS 45 TO 60 KT. SEAS 6 TO 11 M...HIGHEST S OF MEAN CENTER.
ALSO N OF 44N BETWEEN 147W AND 166E WINDS 30 TO 45 KT. SEAS 3 TO
7.5 M. ELSEWHERE N AND W OF A LINE FROM 30N173E TO 50N150W TO
59N157W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND 659N157W
969 MB. WITHIN 540 NM SE AND 780 NM SW QUADRANTS WINDS 40 TO 55
KT. SEAS 5 TO 10 M. ALSO N OF 45N BETWEEN 128W AND 174E WINDS 25
TO 40 KT. SEAS 3 TO 8 M. ELSEWHERE N OF 40N W OF 133W WINDS TO 25
KT. SEAS 2.5 TO 5.5 M.
...STORM WARNING...
.18 HOUR FORECAST LOW 45N162E 970 MB. FROM 35N TO 46N W OF 168E
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW 48N165E 991 MB. FROM 37N TO 48N W OF 172E
WINDS 25 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE CONDITIONS DESCRIBED
WITH HURRICANE FORCE WIND WARNING ABOVE.
.30 HOUR FORECAST LOW 50N170E 989 MB. WITHIN 120 NM S SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH HURRICANE FORCE WIND WARNING ABOVE.
...STORM WARNING...
.30 HOUR FORECAST NEW LOW NEAR 59N150W 968 MB. S OF ALASKA N OF
48N BETWEEN 136W AND 160W WINDS 25 TO 40 KT. SEAS 3 TO 8
M...HIGHEST SEAS TO THE W.
.36 HOUR FORECAST LOW 59N147W 966 MB. WITHIN 120 NM N AND E OF A
FRONT FROM LOW CENTER TO 59N142W TO 56N138W WINDS 35 TO 50 KT.
SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 60N144W 973 MB. CONDITIONS DESCRIBED WITH
HURRICANE FORCE WIND WARNING ABOVE.
...GALE WARNING...
.LOW 46N134W 995 MB MOVING E 20 KT THEN TURNING NE AFTER 12
HOURS. WITHIN 540 NM SE AND 720 NM SW QUADRANTS WINDS 25 TO 40
KT. SEAS 3.5 TO 6.5 M...HIGHEST NEAR 41N129W. ELSEWHERE S OF 53N
BETWEEN 122W AND 144W WINDS TO 25 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.
...GALE WARNING...
.LOW 52N149W 1002 MB MOVING SE 45 KT. BETWEEN 180 NM AND 660 NM S
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 39N132W 1002 MB. WITHIN 600 NM W SEMICIRCLE
AND WITHIN 420 NM S QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M
IN NW SWELL.
.48 HOUR FORECAST LOW 34N127W 1008 MB. WITHIN 360 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 420 NM OF
LOW CENTER WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW S OF AREA 28N160W 1018 MB MOVING SW 10 KT. WITHIN 360 NM N
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED S OF AREA. S OF 33N BETWEEN 153W
AND 172W AREA OF E TO SE WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST CONDITIONS S OF AREA.
...GALE WARNING...
.42 HOUR FORECAST LOW NEAR 40N160E 998 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 40N160E 993
MB. FROM 33N TO 44N W OF 174E WINDS 25 TO 40 KT. SEAS 3 TO 5 M IN
S TO SW SWELL.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF ALASKA AND N OF
56N BETWEEN 133W AND 162W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
ALASKA AND N OF 58N BETWEEN ALASKA COAST AND 163W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF ALASKA AND N OF
56N BETWEEN 131W AND 162W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N W OF
161W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 56N W OF
ALASKA AND FROM 58N TO 61N BETWEEN 151W AND 154W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 51N
BETWEEN 134W AND 140W...N OF 52N BETWEEN 135W AND 146W...WITHIN
120 NM NE OF A LINE FROM 50N148W TO 62N175W...AND 40N TO 56N W OF
160W.
.24 HOUR FORECAST DENSE FOG S OF ALASKA N OF 48N BETWEEN 134W AND
160W...AND WITHIN THE BERING SEA S OF 173W.
.48 HOUR FORECAST DENSE FOG NE OF A LINE FROM 49N132W TO
60N144W...WITHIN 300 NM EITHER SIDE OF A LINE FROM 40N160E TO
56N160W...AND WITHIN THE BERING SEA N OF 54N.
.FORECASTER ANDERSON. 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 0600 UTC SUN JAN 4.
24 HOUR FORECAST VALID 0600 UTC MON JAN 5.
48 HOUR FORECAST VALID 0600 UTC TUE JAN 6.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 14N122W TO 15N123W TO 16N127W TO 14N130W TO 11N129W TO
11N124W TO 14N122W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN E SWELL. ELSEWHERE WITHIN 30N121W TO 30N140W TO 14N140W TO
20N129W TO 30N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW
TO N SWELL.
.24 HOUR FORECAST WITHIN 30N117W TO 30N140W TO 07N140W TO
14N122W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 23N116W TO 30N123W TO 30N140W TO
01N140W TO 13N119W TO 23N116W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.WITHIN 16N94.5W TO 16N95.5W TO 15.5N95.5W TO 15N95W TO 15N94.5W
TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 0900 UTC SUN JAN 4...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 09N85W TO 05N95W TO 06N100W. ITCZ
FROM 06N100W TO 10N125W TO BEYOND 10N140W. SCATTERED MODERATE
FROM 06N TO 08N EAST OF 85W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 0600 UTC JAN 04 2026.
24 HOUR FORECAST VALID 0600 UTC JAN 05 2026.
48 HOUR FORECAST VALID 0600 UTC JAN 06 2026.
.WARNINGS.
...GALE WARNING...
.LOW 27N160W 1018 MB. TROUGH FROM 28N160W TO LOW TO 23N162W
20N162W.
LOW AND TROUGH MOVING SW 10 KT. WINDS 30 TO 35 KT N OF 27N BETWEEN
161W AND 157W. WINDS 20 TO 30 KT ELSEWHERE N OF A LINE 26N166W
27N160W 23N153W. ISOLATED MODERATE TSTMS WITHIN 150 NM OF LOW.
.24 HOUR FORECAST LOW 24N164W 1012 MB. TROUGH FROM 28N164W TO LOW
TO 17N166W. WINDS 30 TO 35 KT FROM 26N TO 28N BETWEEN 162W AND
158W.
WINDS 20 TO 30 KT ELSEWHERE N OF LINE 26N170W 24N165W 18N160W
20N150W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 28N167W 20N165W 15N167W.
WINDS 20 TO 30 KT N OF LINE 30N170W 20N160W 12N150W.
.SYNOPSIS AND FORECAST.
.FRONT 30N168E 26N164E 22N160E MOVING E 15 KT. WINDS 20 TO 25 KT
NW
OF FRONT. SEAS 4 TO 5 M NW OF A LINE 30N165E 26N160E. SEAS 2.5 TO
4
M ELSEWHERE NW OF FRONT.
.24 HOUR FORECAST FRONT 30N175E 26N170E THENCE TROUGH 20N160E.
WINDS
20 TO 30 KT WITHIN 240 NM NW OF FRONT AND TROUGH.
.48 HOUR FORECAST FRONT DISSIPATED. TROUGH 30N180E 25N170E. WINDS
20
TO 25 KT NW OF FRONT.
.TROUGH 23N176E 16N165E 10N174E MOVING W 10 KT. ISOLATED MODERATE
TSTMS FROM 15N TO 20N BETWEEN TROUGH AND 180W.
.24 HOUR FORECAST TROUGH 22N171E 10N170E 05N170E. WINDS DIMINISHED
TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH 21N170E 11N170E 05N170E.
.TROUGH 16N169W 13N173W 09N177W NEARLY STATIONARY. WINDS 20 TO 25
KT WITHIN 150 NM NW OF TROUGH. ISOLATED MODERATE TSTMS FROM 05N
TO 12N BETWEEN 178E AND 175W... AND WITHIN 150 NM SE OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.
.SEAS 4 TO 5 M NW OF A LINE 30N165W 26N150W 24N140W. SEAS 2.5 TO 4
M ELSEWHERE N OF 12N E OF 156W... AND N OF 26N BETWEEN 175W AND
156W... AND FROM 17N TO 25N BETWEEN 175E AND 173W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 20N160E 30N172E...AND
N
OF LINE 30N170W 20N155W 15N140W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF 27N BETWEEN 178E AND
168E...AND
N OF LINE 30N170W 25N155W 30N155W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 15N160E 30N176W...AND E OF LINE 30N173W 15N160W 05N150W
EXCEPT
N OF 25N BETWEEN 145W AND 153W.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LESS OVER REMAINDER OF
FORECAST
AREA.
.ITCZ 09N140W 11N154W 05N168W. SCATTERED MODERATE TSTMS WITHIN 60
NM OF ITCZ BETWEEN 165W AND 160W. ISOLATED MODERATE TSTMS
ELSEWHERE
WITHIN 120 NM OF ITCZ BETWEEN 167W AND 155W.
.ISOLATED MODERATE TSTMS S OF 02N W OF 167E.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=