HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED NOV 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
PLEASE SEE PROPOSAL TO ALIGN NWS PACIFIC HIGH SEAS FORECASTS WITH
METAREA XII: HTTPS://OCEAN.WEATHER.GOV/HIGHSEASPACIFICPROPOSAL/
(LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
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 NOV 26.
24 HOUR FORECAST VALID 1200 UTC NOV 27.
48 HOUR FORECAST VALID 1200 UTC NOV 28.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MEAN CENTER 39N161E 993 MB MOVING E 25 KT. FROM
30N TO 40N W OF 177E...AND FROM 40N TO 44N W OF 170E WINDS 25 TO
40 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 40N169E 978 MB.
BETWEEN 120 NM AND 420 NM SW AND W QUADRANTS OF MEAN CENTER WINDS
40 TO 50 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST COMBINED LOW 37N174E 970 MB. WITHIN 360 NM SW
AND W QUADRANTS WINDS 55 TO 65 KT. SEAS 6 TO 10 M. ALSO FROM 34N
TO 44N BETWEEN 165E AND 176W WINDS 40 TO 55 KT. SEAS 5 TO 8 M.
ELSEWHERE W OF A LINE FROM 49N176E TO 42N168W TO 30N168W WINDS 25
TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 42N175W 962 MB. WITHIN 600 NM NE...540 NM
SE...600 NM SW...AND 540 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS
6 TO 12 M. ALSO FROM 30N TO 52N BETWEEN 166E AND 155W WINDS 25 TO
40 KT. SEAS 3 TO 8 M...HIGHEST S OF CENTER. ELSEWHERE S OF 50N W
OF 160W WINDS LESS THAN 25 KT. SEAS 2.5 TO 4.5 M.
...STORM WARNING...
.LOW 35N174W 995 MB MOVING NE 35 KT. WITHIN 600 NM SE...AND 540
NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 39N156W 988 MB. WITHIN 300 NM SE...AND 240
NM SW QUADRANTS WINDS 40 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE FROM
30N TO 44N BETWEEN 164W AND 145W WINDS 25 TO 40 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST LOW 43N144W 1004 MB. FROM 32N TO 51N BETWEEN
150W AND 133W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...STORM WARNING...
.LOW 41N140W 1004 MB MOVING NE 20 KT. FROM 34N TO 46N BETWEEN
131W AND 146W WINDS 25 TO 40 KT. SEAS 2.5 TO 3.5 M.
.18 HOUR FORECAST LOW 45N133W 996 MB. WITHIN 120 NM SW AND W
SEMICIRCLES WINDS 40 TO 50 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 47N131W 1000 MB. WITHIN 180 NM SW AND W
SEMICIRCLES WINDS 35 TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 38N
TO 51N BETWEEN 138W AND 123W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 46N124W 1010 MB. WITHIN 180 NM OF CENTER
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.24 HOUR FORECAST LOW 57N158W 999 MB. WITHIN 360 NM NE AND E OF A
LINE FROM LOW CENTER TO 55N153W TO 46N150W WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED
BY LOW 57N149W DESCRIBED BELOW.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 57N149W 1010 MB. WITHIN 420 NM E
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 57N TO 60N W OF
160E.
.24 HOUR FORECAST DENSE FOG N OF 60N BETWEEN 170W AND 164W.
.48 HOUR FORECAST DENSE FOG N OF 62N W OF ALASKA.
.LIGHT TO MODERATE FREEZING SPRAY N OF 60N BETWEEN 160W AND
172W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
160W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
ALASKA.
.FORECASTER BYRD. 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 NOV 26.
24 HOUR FORECAST VALID 1200 UTC THU NOV 27.
48 HOUR FORECAST VALID 1200 UTC FRI NOV 28.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO 14N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT. SEAS LESS THAN 2.5 M.
.21 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N97W TO
13N96W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 35 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS TO 40 KT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 30 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W
TO 16N96W TO 12N100W TO 10N100W TO 11N98W TO 13N94W TO 16N94W N
TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.WITHIN 29N112W TO 31N114W TO 30N114W TO 26N111W TO 27N111W TO
29N112W...INCLUDING THE GULF OF CALIFORNIA...NW TO N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 14N113W TO 17N139W TO 08N135W TO 07N122W TO 10N107W TO
14N113W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN MIXED NE
AND NW SWELL.
.24 HOUR FORECAST WITHIN 11N125W TO 15N140W TO 08N140W TO
07N138W TO 10N132W TO 09N123W TO 11N125W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 13N139W TO 14N140W TO 10N140W TO
10N139W TO 12N139W TO 13N139W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MIXED SWELL.
.WITHIN 11N86W TO 11N87W TO 11N88W TO 10N87W TO 11N86W...
INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 10N86W TO 12N86W TO 11N89W TO 10N90W TO
09N89W TO 09N88W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 30 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 1400 UTC WED NOV 26...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N77.5W TO 08N108W TO 07N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 06N TO 11.5N BETWEEN 111W AND
123.5W. SCATTERED MODERATE FROM 06.5N TO 09N BETWEEN 100W AND
111W...FROM 05N TO 09.5N BETWEEN 125W AND 129.5W...AND FROM 07N
TO 09N BETWEEN 137W AND 140W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1200 UTC NOV 26 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 27 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 28 2025.
.WARNINGS.
...GALE WARNING...
.FRONT N OF AREA THENCE TROUGH 30N179W 27N172E 26N165E MOVING E
10 KT.
SW WINDS 25 TO 35 KT N OF 28N BETWEEN 170W AND 178W. SW TO W
WINDS 20
TO 30 KT ELSEWHERE N OF LINE 30N166W 26N172W 27N175E.
.24 HOUR FORECAST TROUGH 30N167W 28N170W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW FRONT 30N177E 27N173E 25N165E. SW TO NW
WINDS
25 TO 35 KT N OF 26N BETWEEN 179W AND 170E. WINDS 20 TO 30 KT
ELSEWHERE N OF LINE 30N175W 25N180E 25N168E 30N160E.
.48 HOUR FORECAST FRONT 30N169W 22N175W 21N173E. W TO SW WINDS 25
TO
35 KT N OF 26N BETWEEN 163W AND 180E. WINDS 20 TO 30 KT ELSEWHERE
N OF A LINE 30N163W 23N175W 30N168E. SEE SEAS BELOW.
.SYNOPSIS AND FORECAST.
.FRONT 30N145W 25N153W MOVING E 10 KT.
.24 HOUR FORECAST FRONT DISSIPATED.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 3 TO 4 M N OF 28N BETWEEN 160W AND 175E. SEAS 2.5 TO 3 M
ELSEWHERE N OF LINE 30N154W 15N174W 08N164W 02N168W 08N174E
30N165E.
.24 HOUR FORECAST SEAS 3 TO 5 M N OF 27N BETWEEN 155W AND 160E.
SEAS
2.5 TO 3 M ELSEWHERE N OF A LINE 30N146W 08N172W 12N172E 23N168W
25N160E.
.48 HOUR FORECAST SEAS 4 TO 7 M N OF 27N BETWEEN 169W AND 160E.
SEAS 2.5
TO 4 M ELSEWHERE N OF LINE 30N146E 24N163W 22N160E. SEAS 2.5 TO 3
M
BOUNDED BY 10N174W 22N151W 14N138W 07N144W 06N172W 10N174W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 08N140W 06N160W 06N177W 07M180E 09N172E 05N160E. SCATTERED
MODERATE TSTMS WITHING 240 NM OF ITCZ W OF 165E...ELSEWHERE
ISOLATED
MODERATE TSTMS WITHIN 120 NM OF ITCZ.
$$
.FORECASTER M BALLARD. HONOLULU HI.=