973
FZPN01 KWBC 142142
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE OCT 14 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
PACIFIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.

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 1800 UTC OCT 14.
24 HOUR FORECAST VALID 1800 UTC OCT 15.
48 HOUR FORECAST VALID 1800 UTC OCT 16.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.POST-TROPICAL CYCLONE NAKRI 35N160E 992 MB MOVING E 30 KT.
WITHIN 120 NM N QUADRANT WINDS 50 TO 65 KT. SEAS 4 TO 8 M.
ELSEWHERE WITHIN 180 NM OF CENTER WINDS 40 TO 50 KT. SEAS 4.5 TO
9.5 M...HIGHEST S QUADRANT. ALSO S OF 40N W OF 169E WINDS 25 TO
40 KT. SEAS TO 4 M.
.24 HOUR FORECAST POST-TROPICAL CYCLONE NAKRI 37N176E 1005 MB.
WITHIN 60 NM N QUADRANT WINDS 35 TO 45 KT. SEAS TO 4 M. ELSEWHERE
S OF 41N BETWEEN 174W AND 167E WINDS 25 TO 40 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR 35N171E.
.48 HOUR FORECAST POST-TROPICAL CYCLONE NAKRI 44N165W 1004 MB.
WITHIN THE AREA BOUNDED BY 32N177W TO 42N154W TO 46N159W TO
44N167W TO 36N179W TO 32N177W WINDS 25 TO 40 KT. SEAS 2.5 TO 5
M.

...HURRICANE FORCE WIND WARNING....
.COMPLEX LOW WITH FIRST CENTER 49N176W 970 MB MOVING NE 20 KT
AND SECOND CENTER 51N174W 961 MB MOVING NE 20 KT. WITHIN 180 NM S
SEMICIRCLE OF FIRST CENTER AND 120 NM S SEMICIRCLE OF SECOND
CENTER WINDS 50 TO 65 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN 300 NM
S SEMICIRCLE AND 180 NM W QUADRANT OF FIRST CENTER...180 NM S
SEMICIRCLE OF SECOND CENTER...AND WITHIN 150 NM NE AND E OF FRONT
FROM SECOND CENTER TO 52N170W TO 50N168W TO 46N167W TO 42N170W
WINDS 40 TO 55 KT. SEAS 3.5 TO 7 M. ALSO BETWEEN A LINE FROM
45N160E TO 34N178W TO 40N163W TO 46N158W AND 58N WINDS 25 TO 40
KT. SEAS 2.5 TO 6 M...EXCEPT WITHIN THE BERING SEA SEAS TO 3.5
M.
.24 HOUR FORECAST COMBINED LOW 55N162W 966 MB. WITHIN 480 NM S
AND 420 NM SW QUADRANTS AND BETWEEN 180 NM AND 360 NM NE
QUADRANTS WINDS 35 TO 50 KT. ELSEWHERE FROM 40N TO 63N BETWEEN
137W AND 174E WINDS 25 TO 40 KT. SEAS 2.5 TO 8 M...HIGHEST S OF
THE ALEUTIAN ISLANDS FROM 44N TO 55N BETWEEN 155W AND 173W.
.48 HOUR FORECAST LOW 58N151W 981 MB. WITHIN 540 NM S SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 4 TO 10 M...HIGHEST NEAR 54N150W.
ELSEWHERE N OF 48N E OF 176W WINDS 25 TO 35 KT. SEAS 2.5 TO 6 M.

...GALE WARNING...
.LOW 60N144W 996 MB MOVING NE 30 KT AND TURNING MORE E AFTER 12
HOURS. WITHIN 360 NM S SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 4 M.
ELSEWHERE N OF 49N BETWEEN 135W AND 153W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST LOW MOVED WELL INLAND. CONDITIONS DIMINISHED.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 48N165E 1000 MB. FROM 39N TO 50N W OF
169E WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 49N176E 997 MB. WITHIN 300 NM SW SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 4 TO 7.5 M. ELSEWHERE FROM 38N TO 52N
BETWEEN 175W AND 165E AND N OF 52N BETWEEN 175E AND 166E WINDS 25
TO 35 KT. SEAS 2.5 TO 5 M.

.SYNOPSIS AND FORECAST.

.LOW 35N122W 1007 MB DRIFTING NE. FROM 30N TO 46N BETWEEN 117W
AND 133W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE S OF 46N
BETWEEN 133W AND 142W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND. S OF 36N E OF 146W WINDS
LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.EXCEPT WHERE DESCRIBED ABOVE...S OF ALASKA MAINLAND AND THE
ALEUTIAN ISLANDS W OF 148W WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5
M IN MIXED SWELL.
.24 HOUR FORECAST EXCEPT WHERE DESCRIBED ABOVE...S OF ALASKA
MAINLAND AND THE ALEUTIAN ISLANDS W OF 150W WINDS LESS THAN 25
KT. SEAS 2.5 TO 5 M IN MIXED SWELL.
.48 HOUR FORECAST EXCEPT WHERE DESCRIBED ABOVE...S OF ALASKA
MAINLAND AND THE ALEUTIAN ISLANDS W OF 132W WINDS LESS THAN 25
KT. SEAS 2.5 TO 6 M...HIGHEST NEAR 45N149W.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NW OF A LINE FROM
63N173W TO 64N170W.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.48 HOUR FORECAST DENSE FOG FROM 58N TO 64N BETWEEN 168W AND
173W.

.FORECASTER JOSEPH. 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 1800 UTC TUE OCT 14.
24 HOUR FORECAST VALID 1800 UTC WED OCT 15.
48 HOUR FORECAST VALID 1800 UTC THU OCT 16.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...INVEST EP91...NEAR 12N92.5W 1008 MB. WITHIN 15N95W
TO 16N95W TO 14N96W TO 12N97W TO 13N96W TO 15N95W...INCLUDING THE
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 M.
.24 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 11.5N95W 1007 MB.
WITHIN 15N95W TO 16N94W TO 16N95W TO 13N98W TO 12N98W TO 13N96W
TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 13N95.5W 1005 MB.
WITHIN 14N94W TO 15N96W TO 12N96W TO 11N95W TO 08N96W TO 08N94W
TO 14N94W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.COLD FRONT FROM 30N121.5W TO 29N126.5W TO 30N122W. WITHIN
30N121W TO 30N135W TO 29N131W TO 28N126W TO 30N121W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 29N115W TO 25N128W
TO 29N140W. WITHIN 30N118W TO 30N140W TO 16N140W TO 22N134W TO
24N124W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL...EXCEPT N TO NE SWELL W OF 130W.
.48 HOUR FORECAST COLD FRONT DISSIPATED. FRONTAL TROUGH FROM
23.5N110W TO 22N130W TO 24N140W. WITHIN 24N133W TO 27N140W TO
15N140W TO 17N133W TO 20N131W TO 24N133W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL. WITHIN 26N115W TO 26N117W TO
24N117W TO 23N115W TO 23N113W TO 24N113W TO 26N115W...INCLUDING
WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 M IN NW
SWELL.

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

CONVECTION VALID AT 2000 UTC TUE OCT 14...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11.5N86W TO LOW PRES...INVEST EP91...NEAR
12N92.5W TO 12.5N100W TO 10N106W TO 11N112W TO 08N120W TO
09N129W. ITCZ FROM 09N129W TO BEYOND 10N140W. SCATTERED MODERATE
FROM 01N TO 07.5N BETWEEN 77W AND 81W...FROM 02N TO 08N BETWEEN
82W AND 92W...FROM 08.5N TO 16N BETWEEN 86W AND 95W...AND FROM
06N TO 15N BETWEEN 95W AND 100W. SIMILAR CONVECTION FROM 09.5N
TO 12.5N BETWEEN 137W AND 140W.


.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

$$