HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SAT NOV 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 1200 UTC NOV 23.
48 HOUR FORECAST VALID 1200 UTC NOV 24.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 48N168E 984 MB MOVING NE 10 KT. WITHIN 660 NM S SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN 360 NM
NW...720 NM NE...1200 NM SE AND 900 NM SW QUADRANTS WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M. ALSO FROM 30N TO 60N W OF 173W WINDS TO
25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N174E 968 MB AND
SECOND CENTER 47N170W 993 MB. WITHIN 300 NM SW QUADRANT OF MAIN
CENTER WINDS 50 TO 65 KT. SEAS 7 TO 11 M. ELSEWHERE WITHIN 480 NM
E SEMICIRCLE...AND 360 NM NW AND 600 NM SW QUADRANTS OF MAIN
CENTER...AND WITHIN 300 NM N SEMICIRCLE...AND WITHIN 660 NM SE
QUADRANT OF CENTER WINDS WINDS 35 TO 50 KT. SEAS 3 TO 7
M...HIGHEST ASSOCIATED WITH MAIN CENTER. ALSO WITHIN 840 NM
NE...1620 NM SE AND 1200 NM SW QUADRANT OF MAIN CENTER WINDS 25
TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N176E 978 MB AND
SECOND CENTER 52N173W 977 MB. WITHIN 540 NM SW QUADRANT OF MAIN
CENTER WINDS 35 TO 50 KT. SEAS 5.5 TO 9 M. ELSEWHERE WITHIN 780
NM S SEMICIRCLE...AND 480 NM NW AND 1080 NM NE QUADRANTS OF MAIN
CENTER...AND FROM 36N TO 55N BETWEEN 143W AND 161W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M. ALSO WITHIN 1200 NM NE...1800 NM SE AND 1020
NM SW QUADRANTS OF MAIN CENTER WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW 58N151W 997 MB MOVING SE 15 KT. WITHIN 780 NM SW AND 600 NM
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN
840 NM S SEMICIRCLE AND 720 NM NW QUADRANT WINDS TO 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST LOW 56N144W 1004 MB. WITHIN 300 NM N AND 600 NM
S SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 57N143W 1008 MB. WITHIN 300 NM OF LOW
CENTER WINDS TO 25 KT. SEAS TO 3 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF 167W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N
BETWEEN 160W AND 175W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A
LINE FROM 57N158W TO 61N172W.
.SYNOPSIS AND FORECAST.
.EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM 30N TO 50N
BETWEEN
115W AND 173W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 50N BETWEEN 117W AND 160W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS SECTION ABOVE FROM
30N TO 50N BETWEEN 117W AND 142W WINDS TO 25 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 49N BETWEEN
169E AND 163W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 55N BETWEEN 174W AND
165E.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 54N BETWEEN 161W AND
166E.
.FORECASTER HOLLEY. 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 SAT NOV 22.
24 HOUR FORECAST VALID 1200 UTC SUN NOV 23.
48 HOUR FORECAST VALID 1200 UTC MON NOV 24.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 28N118W TO 30N121W TO 28N122W TO 26N122W TO 26N118W TO
27N117W TO 28N118W NW WINDS 20 TO 25 KT. SEAS 3.0 TO 5.0 M.
ELSEWHERE WITHIN 30N119W TO 30N140W TO 20N140W TO 20N128W TO
25N116W TO 30N119W...INCLUDING SEBASTIAN VIZCAINO BAY...
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 22N112W TO 30N116W TO 30N140W TO
06N140W TO 13N117W TO 22N112W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.5 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 19N105W TO 30N116W TO 30N140W TO
06N140W TO 08N114W TO 19N105W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NW SWELL.
.WITHIN 14N125W TO 20N140W TO 03N140W TO 08N132W TO 14N125W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA ABOVE.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 13N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 32N114W TO 32N115W TO 31N115W TO 30N115W TO 29N114W TO
30N113W TO 32N114W...INCLUDING THE GULF OF CALIFORNIA...NW
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.
.36 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.
.48 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N88W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC SAT NOV 22...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 10N110W. ITCZ FROM 10N110W TO
07N140W. NO SIGNIFICANT CONVECTION NOTED AT THIS TIME.
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1200 UTC NOV 22 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 23 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 24 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N163W 28N170W 30N176E NEARLY STATIONARY.
.24 HOUR FORECAST WEAKENED FRONT LIFTED N OF AREA.
.TROUGH 30N170E 25N160E MOVING NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT MENTIONED JUST BELOW.
.24 HOUR FORECAST NEW FRONT 30N177E 28N169E 26N160E.
.48 HOUR FORECAST FRONT 30N173W 27N177E 25N167E.
.24 HOUR FORECAST NEW FRONT 30N169E 28N160E.
.48 HOUR FORECAST WEAKENED FRONT MERGING WITH FRONT JUST ABOVE.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 17N W OF 171E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 14N TO 19N W OF 172E.
.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS MAINLY 2.5 TO 3 M GENERALLY N OF 04N EXCEPT N OF A LINE
FROM 30N176E 24N160E AND WITHIN 210 NM W OF THE HAWAIIAN ISLANDS.
.24 HOUR FORECAST SEAS 2.5 TO 3 M GENERALLY N OF 06N EXCEPT N OF
A LINE FROM 30N169W 25N171W 22N160E AND WITHIN 210 NM W OF THE
HAWAIIAN ISLANDS.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF TWO LINES 06N140W 03N160W
00N161W 00N177W 05N177W 10N160E AND 30N173W 21N155W 19N157W
21N172E 22N160E. SEAS AROUND 2.5 M N OF A LINE 30N175E 25N160E.
.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.SCATTERED MODERATE TSTMS WITHIN 60 NM OF 11N171W.
.ITCZ 07N140W 08N161W 08N175E. SCATTERED MODERATE TSTMS WITHIN
210 NM OF ITCZ.
$$
.FORECASTER BLOOD. HONOLULU HI.=