East and Central North Pacific High Seas Forecast

FZPN02 KWBC 190525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC WED NOV 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0000 UTC NOV 19. 
24 HOUR FORECAST VALID 0000 UTC NOV 20.
48 HOUR FORECAST VALID 0000 UTC NOV 21.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N165E 969 MB MOVING E 15 KT AND
SECOND CENTER 55N173E 961 MB MOVING SW 10 KT THEN TURNING SE
AFTER 12 HOURS. BETWEEN 240 NM AND 660 NM SW QUADRANT OF FIRST
CENTER...AND WITHIN 120 NM S SEMICIRCLE OF SECOND CENTER WINDS 35
TO 50 KT. SEAS 4 TO 8.5 M...HIGHEST SW OF FIRST CENTER. ELSEWHERE
N AND W OF A LINE FROM 35N160E TO 44N180W TO 50N167W TO 59N180W
WINDS 25 TO 35 KT. SEAS 3 TO 6 M IN MIXED SWELL.
.24 HOUR FORECAST FIRST CENTER ABSORBED BY SECOND CENTER. COMPLEX
LOW WITH FIRST CENTER 52N174E 966 MB AND NEW SECOND CENTER
61N170W 966 MB. WITHIN 540 NM SE AND 360 NM SW QUADRANTS OF FIRST
CENTER WINDS 35 TO 50 KT. SEAS 6 TO 10 M. ALSO FROM 38N TO 54N W
OF 165W...EXCEPT WHERE DESCRIBED WITH LOW 54N160W BELOW...AND NW
OF A FRONT FROM FIRST CENTER TO SECOND CENTER TO 60N165W WINDS 25
TO 35 KT. SEAS 3 TO 7.5 M...EXCEPT SEAS 2.5 TO 5.5 M WITHIN THE
BERING SEA. ELSEWHERE N OF 34N W OF 180W WINDS TO 25 KT. SEAS 3
TO 6 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 51N162W 982
MB AND SECOND CENTER NEAR 60N170W 970 MB. WITHIN 240 NM S
SEMICIRCLE OF FIRST CENTER AND 240 NM SW SEMICIRCLE OF SECOND
CENTER WINDS 35 T0 50 KT. SEAS 6 TO 9 M...EXCEPT SEAS 3 TO 6 M
WITHIN THE BERING SEA. ALSO WITHIN 480 NM S SEMICIRCLE OF FIRST
CENTER...WITHIN 360 NM S AND W SEMICIRCLES OF SECOND CENTER...AND
FROM 39N TO 58N BETWEEN 170W AND 170E WINDS 25 TO 35 KT. SEAS 3
TO 7 M. ELSEWHERE S OF THE ALEUTIAN ISLANDS BETWEEN 155W AND 166E
WINDS TO 25 KT. SEAS 2.5 TO 5.5 M.

...STORM WARNING...
.LOW 42N174E 995 MB MOVING NE 40 KT AND RAPIDLY INTENSIFYING.
WITHIN 420 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 6 TO 9 M.
ALSO WITHIN 780 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3.5 TO 7
M. IN SW SWELL. ELSEWHERE...EXCEPT WHERE DESCRIBED IN STORM
WARNING ABOVE...S OF THE ALEUTIAN ISLANDS BETWEEN 163W AND 160E
WINDS TO 25 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 54N160W 969 MB. WITHIN 180 NM NE
QUADRANT...AND WITHIN 300 NM SE OF A FRONT FROM LOW CENTER TO
49N160W TO 38N175W WINDS 35 TO 50 KT. SEAS 5 TO 9 M...HIGHEST
NEAR 44N162W. ELSEWHERE WITHIN 300 NM NE SEMICIRCLE...AND WITHIN
480 NM SE OF A FRONT FROM LOW CENTER TO 50N161W TO 33N177E WINDS
25 TO 35 KT. SEAS 3.5 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N153W 964 MB.
WITHIN 540 NM SE AND S QUADRANTS...AND WITHIN 180 NM OF A FRONT
FROM LOW CENTER TO 59N148W TO 58N140W TO 50N130W WINDS 30 TO 45
KT. SEAS 4 TO 8 M. ELSEWHERE N OF 40N E OF 155W WINDS 20 TO 30
KT. SEAS 3 TO 6 M.

...STORM WARNING...
.LOW 49N151W 990 MB MOVING NE 20 KT. WITHIN 180 NM SW SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 4 TO 5.5 M. ALSO WITHIN 420 NM NE...780
NM SE AND SW...AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 5.5 M...HIGHEST S AND SW OF CENTER. ELSEWHERE S OF 50N
BETWEEN 147W AND 163W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N145W 986 MB.
BETWEEN 180 NM AND 480 NM SW QUADRANT WINDS 40 TO 55 KT. SEAS 4.5
TO 7 M.
.18 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 53N141W 974
MB. WITHIN 300 NM S AND SW QUADRANTS...AND WITHIN 180 NM E OF A
FRONT FROM LOW CENTER TO 56N142W TO 54N137W TO 50N132W WINDS 40
TO 55 KT. SEAS 5 TO 9 M...HIGHEST S OF CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 53N141W 975 MB
AND NEW SECOND CENTER 56N144W 984 MB. WITHIN 480 NM SE AND 180 NM
SW QUADRANTS OF FIRST CENTER...AND WITHIN 180 NM E OF A FRONT
FROM SECOND CENTER TO 56N138W TO 52N133W TO 47N128W WINDS 35 TO
50 KT. SEAS 5 TO 9.5 M...HIGHEST S OF FIRST CENTER. ALSO FROM 36N
TO 59N BETWEEN 125W AND 150W WINDS 25 TO 35 KT. SEAS 3 TO 6.5 M.
.48 HOUR FORECAST LOWS AND CONDITIONS DESCRIBED WITH LOW 59N153W
ABOVE.

...GALE WARNING...
.LOW 65N166W 979 MB MOVING N 10 KT. WITHIN 180 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW N OF AREA. ASSOCIATED CONDITIONS DESCRIBED
WITH LOW 61N170W ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 52N169W 976 MB. WITHIN 360 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS 4 TO 6.5 M. ELSEWHERE CONDITIONS
DESCRIBED WITH LOW 52N174E ABOVE. 
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 59N153W
ABOVE.

...GALE WARNING...
.30 HOUR FORECAST NEW LOW TO FORM NEAR 38N125W 1012 MB. WITHIN
360 NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NEAR 33N120W 1010 MB. WITHIN 240 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 45N149W 1012 MB. WITHIN 420 NM NE
QUADRANT AND 300 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 4 TO 7
M. ELSEWHERE S OF 50N BETWEEN 123W AND 155W WINDS 20 TO 30 KT.
SEAS 3 TO 6.5 M...HIGHEST NEAR 39N131W IN NW SWELL.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF 167W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF ALASKA. 
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE
FROM 59N177W TO 65N165W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 55N
BETWEEN 135W AND 154W...FROM 51N TO 58N W OF 161W...AND N OF 60N
W OF ALASKA.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 60N BETWEEN 132W AND
150W...AND N OF 50N W OF 156W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM OF S ALASKA COAST
BETWEEN 130W AND 154W...AND WITHIN THE BERING SEA BETWEEN 158W
AND 177W.

.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 0000 UTC WED NOV 19.
24 HOUR FORECAST VALID 0000 UTC THU NOV 20.
48 HOUR FORECAST VALID 0000 UTC FRI NOV 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N116W TO 30N132W TO 24N127W TO 24N124W TO 26N118W TO
30N116W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN NW TO N
SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N126W TO 26N129W TO
24N127W TO 24N121W TO 26N117W TO 30N118W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M. 

.WITHIN 31N113W TO 32N115W TO 30N115W TO 30N114W TO 30N113W TO
31N113W...INCLUDING THE GULF OF CALIFORNIA...SW 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.

.12 HOUR FORECAST WITHIN 13N138W TO 14N138W TO 15N140W TO
11N140W TO 12N138W TO 13N138W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 19N128W TO 21N140W TO 09N140W TO
15N130W TO 19N128W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 17N120W TO 17N128W TO 21N131W TO
24N140W TO 06N140W TO 13N122W TO 17N120W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.

.42 HOUR FORECAST WITHIN 30N125.5W TO 30N133W TO 29N130.5W TO
29.5N127.5W TO 30N125.5W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NW SWELL. WITHIN 30N136W TO 30N140W TO 29N140W TO 29N137W TO
30N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N120W TO 30N140W TO 27N140W TO
27N130W TO 30N120W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NW TO N SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 0350 UTC WED NOV 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 07N78W TO 10N100W TO 10N123W. 
THE ITCZ CONTINUES FROM 10N123W TO 08N132W TO 08N140W. SCATTERED
MODERATE FROM 03N TO 08N E OF 82W...FROM 12N TO 15N BETWEEN 100W
AND 106W...AND FROM 08N TO 16N BETWEEN 115W AND 122W. 

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC NOV 19 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 20 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 21 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N154W 26N160W 24N166W 23N172W MOVING NE 25 KT N OF 26N
AND NEARLY STATIONARY ELSEWHERE. WINDS 20 TO 30 KT N OF LINE
30N176E 26N177E 23N174E 19N175W 30N156W. ISOLATED MODERATE TSTMS
FROM 23N TO 21N BETWEEN 174W AND 170W.
.24 HOUR FORECAST FRONT N OF 26N MOVED N OF AREA AND FRONT
WEAKENED TO TROUGH ELSEWHERE. TROUGH 28N162W 23N170W. WINDS 20 TO
25 KT N OF LINE 30N163W 26N174W 22N171W 25N163W 19N155W 28N158W
30N152W.
.48 HOUR FORECAST TROUGH 27N168W 19N167W 13N169W. WINDS EASED TO
20 KT OR LESS.

.TROUGH 28N152W 25N155W 21N157W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.

.TROUGH 18N152W 15N154W 12N156W MOVING W 10 KT. WINDS 20 TO 25 KT
WITHIN 150 NM W OF TROUGH. ISOLATED MODERATE TSTMS FROM 14N TO
11N BETWEEN 156W AND 153W.
.24 HOUR FORECAST TROUGH 18N155W 12N160W. WINDS EASED TO 20 KT OR
LESS.
.48 HOUR FORECAST TROUGH MERGED WITH FIRST TROUGH DESCRIBED
ABOVE.

.24 HOUR FORECAST NEW TROUGH 21N179E 14N177W.
.48 HOUR FORECAST TROUGH 20N171E 14N171E.

.24 HOUR FORECAST NEW FRONT 30N170E 26N166E 25N160E.
.48 HOUR FORECAST FRONT 30N176E 27N167E.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 24N TO 13N E OF 153W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 25N TO 08N E OF 161W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 4.5 M N OF LINE 30N156W 20N171W 13N178W 04N178W
10N169E 10N160E.
.24 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF LINE 30N176W 20N160E
07N160E 09N169W 13N164W 07N151W 08N140W 21N140W 25N152W 30N148W.
SEAS 2.5 TO 3 M N OF LINE 30N171E 26N160E.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF 08N EXCEPT N OF 25N
BETWEEN 177W AND 168W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 08N140W 08N156W 06N173W 07N171E 07N160E. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 15N TO 10N W OF 166E.

$$

.FORECASTER TROTTER. HONOLULU HI.