375
FZPN02 KWBC 200525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC THU NOV 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20.
24 HOUR FORECAST VALID 0000 UTC NOV 21.
48 HOUR FORECAST VALID 0000 UTC NOV 22.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N138W 983 MB MOVING NE 20 KT AND
SECOND CENTER 56N144W 983 MB MOVING N 10 KT THEN TURNING NW AFTER
06 HOURS. WITHIN 240 NM SW SEMICIRCLE OF FIRST CENTER AND WITHIN
180 NM N AND E OF A FRONT FROM SECOND CENTER TO 58N144W TO
55N135W TO 49N130W WINDS 40 TO 55 KT. SEAS 5 TO 10 M...HIGHEST S
OF FIRST CENTER. ELSEWHERE N OF 36N BETWEEN 124W AND 150W WINDS
25 TO 40 KT. SEAS 3 TO 7 M.
.24 HOUR FORECAST FIRST CENTER DISSIPATED INLAND. SECOND CENTER
ABSORBED BY LOW 59N153W BELOW. FROM 32N TO 53N E OF 140W WINDS 20
TO 30 KT. SEAS 3 TO 5.5 M IN W TO NW SWELL.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 61N151W BELOW.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 54N162W 960 MB MOVING NE 20 KT AND
SECOND CENTER 53N169W 972 MB MOVING W 15 KT. A FRONT EXTENDS FROM
FIRST CENTER TO 50N160W TO 46N162W TO 35N180W. WITHIN 240 NM SE
SEMICIRCLE OF FIRST CENTER...WITHIN 180 NM S SEMICIRCLE OF SECOND
CENTER...AND WITHIN 180 NM S AND E OF THE FRONT WINDS 40 TO 55
KT. SEAS 6 TO 9.5 M...HIGHEST S OF BOTH CENTERS AND NEAR 42N168W.
ALSO 360 NM NE SEMICIRCLE OF FIRST CENTER...WITHIN 900 NM SE AND
540 NM S QUADRANTS OF FIRST CENTER...WITHIN 420 NM S SEMICIRCLE
OF SECOND CENTER...AND WITHIN 420 NM S AND E OF THE FRONT WINDS
25 TO 40 KT. SEAS 3 TO 7.5 M. ELSEWHERE S OF THE ALEUTIAN ISLANDS
N OF 34N BETWEEN 150W AND 176W WINDS TO 25 KT. SEAS 3 TO 7 M.
.12 HOUR FORECAST COMBINED LOW 57N158W 948 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 45 TO 60 KT. SEAS 7.5 TO 10.5 M.
.24 HOUR FORECAST LOW 59N153W 962 MB. WITHIN 480 NM SE
SEMICIRCLE...AND FROM 50N TO 55N E OF 132W  WINDS 30 TO 45 KT.
SEAS 4.5 TO 9 M...EXCEPT SEAS 2.5 TO 4.5 M FROM 50N TO 55N E OF
132W . ELSEWHERE N OF 50N S OF THE ALEUTIAN ISLANDS BETWEEN 138W
AND 167E WINDS 20 TO 30 KT. SEAS 3 TO 7.5 M...HIGHEST NEAR
52N155W.
.48 HOUR FORECAST COMPLEX LOW INLAND WITH MAIN CENTER NEAR
61N151W 986 MB. S OF ALASKA N OF 47N BETWEEN 133W AND 175W...AND
WITHIN THE BERING SEA BETWEEN ALASKA AND 179W WINDS 25 TO 40 KT.
SEAS 3.5 TO 7.5 M...HIGHEST NEAR 52N143W. ELSEWHERE FROM 33N TO
60N BETWEEN 127W AND 176W WINDS TO 25 KT. SEAS 2.5 TO 5.5
M...HIGHEST SEAS S OF 55N.

...STORM WARNING...
.LOW 53N175E 966 MB MOVING SE 30 KT. WITHIN 660 NM SE QUADRANT
AND 240 NM SW SEMICIRCLE WINDS 35 TO 50 KT. SEAS 6 TO 10
M...HIGHEST NEAR 44N177E. ALSO N OF 38 W OF 180W AND WITHIN 780
NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 4 TO 8 M...HIGHEST SEAS S
OF ALEUTIAN ISLANDS. ELSEWHERE N OF 33N W OF 175W...EXCEPT WITHIN
540 NM NE QUADRANT...WINDS TO 25 KT. SEAS 2.5 TO 6 M.
.24 HOUR FORECAST LOW 50N164W 992 MB. WITHIN 240 NM S SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 7.5 TO 10 M. ALSO FROM 40N TO 50N BETWEEN
146W AND 170E WINDS 25 TO 35 KT. SEAS 4 TO 8 M. ELSEWHERE FROM
31N TO 40N BETWEEN 145W AND 170E WINDS TO 25 KT. SEAS 2.5 TO 5.5
M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH LOW 61N151W ABOVE.

...GALE WARNING...
.LOW 61N170W 966 MB NEARLY STATIONARY. WITHIN 300 NM NW
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE N OF
56N W OF ALASKA WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 61N170W 973 MB. WITHIN THE BERING SEA WINDS
25 TO 40 KT. SEAS 2.5 TO 5 M IN NW SWELL.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH LOW 61N151W ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW NEAR 50N141W 1002 MB. WITHIN 240 NM SE
OF A FRONT FROM LOW CENTER TO 40N157W WINDS 25 TO 35 KT. SEAS 4
TO 6.5 M. ELSEWHERE CONDITIONS DESCRIBED WITH LOW 59N153W ABOVE.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH LOW 61N151W ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW NEAR 34N120W 1012 MB. WITHIN 180 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 32N119W 1009 MB. S OF 42N E OF 131W WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M IN N SWELL.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW JUST W OF AREA 36N156E 1011 MB. WITHIN
480 NM E SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW NEAR 41N166E 996 MB. FROM 33N TO 44N W OF
179E WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.36 HOUR FORECAST LOW NW OF AREA NEAR 54N154E 982 MB. WITHIN 540
NM SE QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW NW OF AREA NEAR 57N155E 975 MB. N OF 45N W
OF 175E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M IN S SWELL.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF 170W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE FROM 55N175E TO
64N165W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF
170W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
162W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
167W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N E OF
152W...AND N OF 50N W OF 151W.
.24 HOUR FORECAST DENSE FOG N OF 54N E OF 160W...AND N OF 54N
WITHIN THE BERING SEA.
.48 HOUR FORECAST DENSE FOG N OF 53N BETWEEN 148W AND 175W...AND
N OF 42N W OF 168E.

.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 THU NOV 20.
24 HOUR FORECAST VALID 0000 UTC FRI NOV 21.
48 HOUR FORECAST VALID 0000 UTC SAT NOV 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N117W TO 30N130W TO 24N131W TO 23N125W TO 26N117W TO
30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N121W TO 24N130W TO 27N140W.
N OF FRONT...WITHIN 30N120W TO 30N128W TO 29N136W TO 27N137W TO
27N128W TO 28N122W TO 30N120W N TO NE WINDS 20 TO 25 KT. SEAS
2.5 TO 3 M IN NW TO N SWELL. ELSEWHERE N OF FRONT WITHIN 30N120W
TO 29N133W TO 30N140W TO 27N140W TO 27N129W TO 28N121W TO
30N120W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M IN NW SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 29N113W TO 24N120W
TO 23N125W TO 21N130W TO 20N140W. N OF FRONT...WITHIN 30N120W TO
30N124W TO 29N123W TO 29N122W TO 30N120W NW TO N WINDS 20 TO 25
KT. SEAS 4.0 TO 4.5 M IN NW SWELL. ELSEWHERE N OF FRONT...WITHIN
30N116W TO 30N140W TO 20N140W TO 20N132W TO 24N121W TO 30N116W...
INCLUDING SEBASTIAN VIZCAINO BAY...WINDS 20 KT OR LESS. SEAS 2.5
TO 4 M IN NW TO N SWELL.

.WITHIN 19N136W TO 20N137W TO 21N140W TO 19N140W TO 18N138W TO
18N136W TO 19N136W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
ELSEWHERE WITHIN 20N128W TO 22N140W TO 08N140W TO 16N126W TO
20N128W WINDS 20 KT OR LESS. SEAS TO 2.5 IN N SWELL.
.24 HOUR FORECAST WITHIN 20N136W TO 20N140W TO 13N140W TO
13N137W TO 14N135W TO 20N136W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3 M. ELSEWHERE WITHIN 16N119W TO 19N123W TO 24N140W TO
14N135W TO 07N140W TO 08N129W TO 16N119W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN N SWELL.
.48 HOUR FORECAST WITHIN 15N122W TO 20N133W TO 20N140W TO
05N140W TO 10N125W TO 15N122W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN N TO NE SWELL.

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

CONVECTION VALID AT 0315 UTC THU NOV 20...

.SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 09N BETWEEN 78W
AND 81W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 09.5N90W TO 08N105W
TO 07N110W TO 08N118W. ITCZ EXTENDS FROM 08N118W TO 09N125W TO
07N135W TO 08N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN
60 NM S OF THE ITCZ BETWEEN 137W AND 140W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC NOV 20 2025.
24 HOUR FORECAST VALID 0000 UTC NOV 21 2025.
48 HOUR FORECAST VALID 0000 UTC NOV 22 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N171E 28N168E 28N164E 26N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N177E 29N169E 30N164E.
.48 HOUR FORECAST FRONT 30N172W 28N179W 30N174E.

.TROUGH 28N165W 23N173W 14N179W MOVING W 15 KT. SCATTERED
MODERATE TSTMS FROM 24N TO 17N BETWEEN 178W AND 167W.
.24 HOUR FORECAST TROUGH 21N172E 14N173E. TROUGH N OF 21N
DETACHED AND MERGED WITH TROUGH DESCRIBED BELOW.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 17N157W 11N163W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 26N165W 20N166W 13N172W.
.48 HOUR FORECAST TROUGH 22N168W 17N173W 12N176W.

.WINDS 20 TO 25 KT N OF 25N BETWEEN 170W AND 156W...AND W OF LINE
20N160E 26N173W 16N174W 08N160E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 24N TO 08N W OF 177E.
.48 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

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

.SEAS 2.5 TO 4.5 M N OF LINE 30N174W 20N160E 07N160E 11N167W
08N140W 17N140W 25N152W 30N149W. SEAS 2.5 TO 3 M N OF LINE 30N170E
27N160E.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF 07N EXCEPT N OF 23N
BETWEEN 178W AND 168W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 05N160E 12N166E
10N170E 06N172E 10N173W 02N152W 03N140W EXCEPT N OF LINE 30N167E
24N160E.

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

.ITCZ 08N140W 08N165W 08N160E. SCATTERED MODERATE TSTMS FROM 13N
TO 10N BETWEEN 176W AND 170W. ISOLATED MODERATE TSTMS ELSEWHERE
WITHIN 180 NM OF ITCZ W OF 170E AND E OF 170W.

$$

.FORECASTER TROTTER. HONOLULU HI.