637
FZPN02 KWBC 191125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC NOV 19.
24 HOUR FORECAST VALID 0600 UTC NOV 20.
48 HOUR FORECAST VALID 0600 UTC NOV 21.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N167E 970 MB MOVING E 15 KT AND
SECOND CENTER 56N175E 962 MB MOVING S 10 KT THEN TURNING SE AFTER
06 HOURS. BETWEEN 300 NM AND 600 NM SW QUADRANT OF FIRST
CENTER...AND WITHIN 180 NM 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 33N160E TO 54N160W 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 51N179E 974 MB AND NEW SECOND CENTER
62N170W 964 MB. WITHIN 480 NM SE QUADRANT AND 300 NM SW
SEMICIRCLE OF FIRST CENTER...AND WITHIN 120 NM W SEMICIRCLE OF
SECOND CENTER WINDS 40 TO 55 KT. SEAS 6 TO 10 M...EXCEPT SEAS 3.5
TO 5 M N OF 58N...HIGHEST CONDITIONS S AND SE OF FIRST CENTER.
ALSO...EXCEPT WHERE DESCRIBED WITH LOW 56N159W BELOW...FROM 38N
TO 52N W OF 165W...AND NW OF A LINE FROM FIRST CENTER TO SECOND
CENTER TO 63N165W WINDS 25 TO 40 KT. SEAS 4.5 TO 8.5 M...HIGHEST
S OF THE ALEUTIAN ISLANDS. ELSEWHERE S OF 38N W OF 165W WINDS TO
25 KT. SEAS 3.5 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 52N157W 988
MB AND SECOND CENTER NEAR 59N167W 976 MB. WITHIN 420 NM S
SEMICIRCLE OF FIRST CENTER AND 300 NM SW SEMICIRCLE OF SECOND
CENTER WINDS 30 TO 45 KT. SEAS 4 TO 8.5 M...HIGHEST S OF FIRST
CENTER. ALSO N OF 40N BETWEEN 148W AND 174E WINDS 20 TO 30 KT.
SEAS 3.5 TO 6 M...EXCEPT SEAS 2.5 TO 5 M WITHIN THE BERING SEA.
ELSEWHERE S OF 40N BETWEEN 140W AND 170E WINDS TO 25 KT. SEAS 2.5
TO 5.5 M.

...STORM WARNING...
.LOW 46N179W 989 MB MOVING NE 35 KT AND RAPIDLY INTENSIFYING.
WITHIN 420 NM SE SEMICIRCLE WINDS 40 TO 55 KT. SEAS 6 TO 9 M.
ALSO WITHIN 780 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3.5 TO 7
M IN SW SWELL. ELSEWHERE...EXCEPT WHERE DESCRIBED IN STORM
WARNING ABOVE...S OF THE ALEUTIAN ISLANDS W OF 160W WINDS TO 25
KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 56N159W 956 MB. WITHIN 180 NM NE
QUADRANT...WITHIN 360 NM S AND SW QUADRANTS...AND WITHIN 300 NM
SE OF A FRONT FROM 47N157W TO 39N169W WINDS 40 TO 55 KT. SEAS 4.5
TO 9 M...HIGHEST NEAR 44N162W. ELSEWHERE WITHIN 300 NM NE AND 360
NM S SEMICIRCLES...AND WITHIN 480 NM SE OF A FRONT FROM LOW
CENTER TO 50N153W TO 36N175W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 60N157W 969 MB.
WITHIN 1200 NM SE QUADRANT...INCLUDING WITHIN THE HECATE
STRAIT...WINDS 25 TO 35 KT. SEAS 3.5 TO 7 M...HIGHEST NEAR
58N147W. ELSEWHERE N OF 40N E OF 150W WINDS TO 25 KT. SEAS 3 TO
6.5 M.

...STORM WARNING...
.LOW 51N145W 984 MB MOVING NE 10 KT. BETWEEN 180 NM AND 480 NM SW
QUADRANT WINDS 40 TO 55 KT. SEAS 4.5 TO 7 M. ALSO WITHIN 420 NM
NE...780 NM SE AND SW...AND 240 NM NW QUADRANTS WINDS 25 TO 40
KT. SEAS 2.5 TO 5.5 M...HIGHEST S AND SW OF CENTER.
ELSEWHERE...EXCEPT WHERE DESCRIBED WITH LOW 46N179W ABOVE...S OF
50N BETWEEN 147W AND 171W WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.12 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 53N139W 980 MB
AND NEW SECOND CENTER 57N146W 988 MB. WITHIN 840 NM SE AND S
QUADRANTS OF FIRST CENTER...AND WITHIN 240 NM N AND E OF A FRONT
FROM SECOND CENTER 58N150W TO 57N140W TO 44N127W WINDS 25 TO 40
KT. SEAS 4 TO 8.5 M...HIGHEST S OF FIRST CENTER. ELSEWHERE N OF
34N BETWEEN 126W AND 150W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST LOWS AND CONDITIONS DESCRIBED WITH LOW 60N157W
ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 54N166W 969 MB. WITHIN 420 NM S AND SE
QUADRANTS WINDS 30 TO 45 KT. SEAS 4 TO 7.5 M. ELSEWHERE
CONDITIONS DESCRIBED WITH LOW 51N179E ABOVE.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 60N157W
ABOVE.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW TO FORM NEAR 38N125W 1011 MB. WITHIN
180 NM NW AND 420 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO
4 M.
.48 HOUR FORECAST LOW NEAR 33N118W 1010 MB. WITHIN 660 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 46N143W 1014 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 157W WINDS 20 TO 30 KT.
SEAS 3 TO 6.5 M...HIGHEST NEAR 38N130W IN NW SWELL.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW JUST W OF AREA NEAR 37N158E 1009 MB.
WITHIN 480 NM E AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M.

...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 0600 UTC WED NOV 19.
24 HOUR FORECAST VALID 0600 UTC THU NOV 20.
48 HOUR FORECAST VALID 0600 UTC FRI NOV 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N117W TO 30N131W TO 27N130W TO 23N122W TO 27N117W TO
30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 28N118W TO 27N126W TO 24N126W TO
23N122W TO 24N119W TO 28N118W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.12 HOUR FORECAST WITHIN 21N131W TO 22N135W TO 20N138W TO
19N136W TO 18N131W TO 19N129W TO 21N131W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 18N124W TO 22N140W TO 10N140W TO
12N132W TO 16N124W TO 18N124W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 23N134W TO 24N140W TO 06N140W TO
14N120W TO 23N134W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.

.33 HOUR FORECAST WITHIN 30N127W TO 30N130.5W TO 30N130W TO
29.5N128W TO 30N127W N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 30N119W TO 30N140W TO 26N140W TO
25N132W TO 26N127W TO 30N119W N TO NE WINDS 20 TO 25 KT. SEAS 2.5
TO 4.5 M.

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

CONVECTION VALID AT 0910 UTC WED NOV 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 07N78W TO 10N106W TO 09N123W.
THE ITCZ CONTINUES FROM 09N123W TO 07N134W TO 09N140W. SCATTERED
MODERATE CONVECTION IS ONGOING FROM 03N TO 09N E OF 83W, 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 0600 UTC NOV 19 2025.
24 HOUR FORECAST VALID 0600 UTC NOV 20 2025.
48 HOUR FORECAST VALID 0600 UTC NOV 21 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N154W 24N166W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 180 E OF FRONT N OF 151W.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N164W 25N168W.
.48 HOUR FORECAST TROUGH 30N165W 25N167W.

.TROUGH 21N154W 218N154W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 21N157W 19N156W.
.48 HOUR FORECAST TROUGH 24N165W 19N164W.

.TROUGH 30N169E 26N160E MOVING E 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT 30N174E 27N170E 26N160E.
.48N179E FORECAST FRONT 30N176E 28N169E.

.WEAK FRONT 21N140W 23N143W 25N145W MOVING S SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 TO 30 KT BOUNDED BY AREA 30N154W 18N173W 23N175E
30N167E 30N154W. WINDS 20 TO 25 KT FROM 13N TO 08N W OF
169E.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 25N TO 12N E OF 158W.
WINDS 20 TO 25 KT FROM 24N TO 14N W OF 179E.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 16N TO 09N E OF 159W.
.72 HOUR FORECAST WINDS 20 TO 25 KT FROM 25N TO 13N W OF 175E.

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

.SEAS 4 TO 5 M BOUNDED BY AREA 30N158W 20N176W 24N179E 30N169W
30N158W. SEAS 2.5 TO 4 M ELSEWHERE BOUNDED BY AREA 30N156W
08N169E 18N160E 30N172E 30N156W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M N OF A LINE 07N140W 11N166W
07N173E 09N160E.
.48 HOUR FORECAST SEAS 4 TO 4.5 M FROM 23N TO 17N BETWEEN 173E
AND 165E. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE 06N140W 10N172W
07N160E.

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

.ITCZ 09N140W 10N156W 05N173W 08N174E 06N160E. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF ITCZ E OF 167W AND W OF 176E.

$$

.FORECASTER THOMAS. HONOLULU HI.