High Seas Forecast
Issued by NWS

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639
FZPN01 KWBC 080422
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED OCT 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 0000 UTC OCT 08.
24 HOUR FORECAST VALID 0000 UTC OCT 09.
48 HOUR FORECAST VALID 0000 UTC OCT 10.

.WARNINGS.

...STORM WARNING...
.LOW 65N177W 965 MB MOVING NE 25 KT. WITHIN 180 NM E OF A LINE
FROM 57N170W TO 49N172W WINDS 35 TO 50 KT. SEAS 4 TO 7.5 M.
ELSEWHERE WITHIN 420 NM E OF A LINE FROM 60N168W TO 42N176W AND N
OF 62N W OF ALASKA WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ALSO N OF
53N W OF 171W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW WELL N OF AREA. N OF 62N W OF ALASKA WINDS
25 TO 35 KT. SEAS TO 4 M. ELSEWHERE N OF 58N W OF ALASKA WINDS 20
TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF AREA 51N156E 975 MB. N OF 40N W OF
168E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.36 HOUR FORECAST LOW 49N161E 967 MB. WITHIN 240 NM S QUADRANT
WINDS 40 TO 50 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 56N165E 968 MB.
BETWEEN 240 NM AND 540 NM NE AND BETWEEN 180 NM AND 420 NM S
QUADRANTS WINDS 35 TO 50 KT. SEAS 6 TO 11 M...HIGHEST S QUADRANT.
ELSEWHERE FROM 43N TO 60N W OF 174W WINDS 25 TO 35 KT. SEAS 4 TO
8 M...HIGHEST S OF 50N. ALSO FROM 39N TO 60N W OF 170W WINDS TO
25 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 38N177W 1014 MB. WITHIN 300 NM NW
SEMICIRCLE WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 39N174W 1014 MB. WITHIN 360 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE FROM 35N TO 45N BETWEEN
170W AND 180W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 41N174W 1004 MB. FROM 40N TO 48N BETWEEN
166W AND 173W WINDS 20 TO 30 KT. SEAS TO 4 M.

.SYNOPSIS AND FORECAST.

.FROM 34N TO 42N BETWEEN 126W AND 161W AREA OF N TO NE WINDS 20
TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST FROM 32N TO 42N BETWEEN 145W AND 161W AREA OF E
TO SE WINDS TO 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST FROM 33N TO 42N BETWEEN 14W AND 164W WINDS 20
TO 30 KT. SEAS TO 4 M.

.FROM 42N TO 52N BETWEEN 125W AND 145W AREA OF N WINDS TO 25 KT.
SEAS TO 3 M.
.24 HOUR FORECAST LOW 44N127W 1009 MB. FROM 42N TO 54N BETWEEN
129W AND 142W AREA OF N WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 42N129W 1008 MB. FROM 40N TO 52N BETWEEN
137W AND 143W WINDS 20 TO 30 KT. SEAS TO 4 M.

.48 HOUR FORECAST FROM 58N TO 60N BETWEEN 145W AND 150W WINDS 20
TO 30 KT. SEAS TO 3 M.

.48 HOUR FORECAST DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM
FROM 45N TO 48N BETWEEN 167W AND 170W.

.FORECASTER KREKELER. 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 OCT 8.
24 HOUR FORECAST VALID 0000 UTC THU OCT  9.
48 HOUR FORECAST VALID 0000 UTC FRI OCT 10.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE PRISCILLA NEAR 20.6N 111.5W 962 MB AT 0300 UTC OCT 08
MOVING NW OR 310 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM S
SEMICIRCLE...170 NM NE QUADRANT AND 140 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 270 NM NE QUADRANT...300 NM SE QUADRANT...210
NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 13.0 M.
ELSEWHERE WITHIN 21N108W TO 23N109W TO 24N116W TO 20N116W TO
15N112W TO 16N110W TO 21N108W WINDS 20 TO 33 KT. SEAS 7.5 TO 12.5
M. REMAINDER OF AREA WITHIN 18N103W TO 26N110W TO 27N115W TO
19N119W TO 11N115W TO 13N102W TO 18N103W WINDS 20 KT OR LESS.
SEAS 2.5 TO 7.5 M IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE PRISCILLA NEAR 22.6N 113.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 90 NM
SW QUADRANT. SEAS 4 M OR GREATER WITHIN 270 NW AND 240 SE
SEMICIRCLES WITH SEAS TO 12.0 M. ELSEWHERE WITHIN 25N113W TO
26N118W TO 21N119W TO 20N112W TO 22N110W TO 25N113W WINDS 20 TO
33 KT. SEAS 6.5 TO 11.5 M. REMAINDER OF AREA WITHIN 25N108W TO
29N120W TO 21N123W TO 17N121W TO 17N110W TO 13N101W TO 25N108W
WINDS 20 KT OR LESS. SEAS 2.5 TO 6.5 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM PRISCILLA NEAR 23.7N 114.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.48 HOUR FORECAST TROPICAL STORM PRISCILLA NEAR 24.9N 115.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 60
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 240 N AND 210 S
SEMICIRCLES WITH SEAS TO 8.0 M. ELSEWHERE WITHIN 27N114W TO
28N118W TO 26N120W TO 22N119W TO 22N115W TO 24N113W TO 27N114W
WINDS 20 TO 33 KT. SEAS 5.5 TO 8.0 M. REMAINDER OF AREA WITHIN
23N110W TO 30N117W TO 27N122W TO 23N123W TO 17N119W TO 19N111W TO
23N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN MIXED SWELL.

...TROPICAL STORM WARNING...
.TROPICAL STORM OCTAVE NEAR 15.2N 118.0W 1000 MB AT 0300 UTC OCT
08 MOVING E OR 100 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER
EXCEPT 20 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 60 NM OF
CENTER EXCEPT 45 NM NE QUADRANT WITH SEAS TO 4.5 M. ELSEWHERE
WITHIN 16N117W TO 17N119W TO 15N121W TO 13N119W TO 13N117W TO
14N115W TO 16N117W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
REMAINDER OF AREA WITHIN 19N119W TO 18N121W TO 14N122W TO 11N119W
TO 11N116W TO 14N116W TO 19N119W WINDS 20 KT OR LESS. SEAS 2.5
TO 4.0 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 16.2N 114.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM S SEMICIRCLE...0 NM NE QUADRANT AND 10 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 75 NM SE SEMICIRCLE WITH
SEAS TO 5.0 M. ELSEWHERE WITHIN 17N113W TO 17N117W TO 15N117W TO
14N115W TO 14N114W TO 15N113W TO 17N113W WINDS 20 TO 33 KT. SEAS
3.5 TO 5.0 M. REMAINDER OF AREA WITHIN 14N104W TO 17N110W TO
16N120W TO 11N119W TO 10N111W TO 14N104W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION OCTAVE NEAR 17.3N 111.8W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST...DISSIPATED. OVER FORECAST WATERS WITHIN
18N109W TO 18N111W TO 17N111W TO 16N110W TO 16N109W TO 17N109W TO
18N109W W TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
WITHIN 19N110W TO 18N111W TO 16N119W TO 11N115W TO 10N107W TO
12N105W TO 19N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 14N93W 1007 MB. WITHIN 14N93W TO 14N94W TO 13N95W
TO 12N95W TO 12N94W TO 13N93W TO 14N93W WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N96W 1006 MB. WITHIN 15N95W TO 16N97W TO 13N100W TO 10N100W TO
10N98W TO 12N96W TO 15N95W...INCLUDING THE GULF OF
TEHUANTEPEC...WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N101W 1005 MB. WITHIN 16N98W TO 19N107W TO 13N105W TO 10N100W
TO 13N97W TO 16N98W...INCLUDING NEAR CABO CORRIENTES...WINDS 20
TO 30 KT. SEAS 2.5 TO 4.0 M IN W TO NW SWELL.

.WITHIN 01S101W TO 03N96W TO 04N98W TO 00N106W TO 03.4S120W TO
03.4S88W TO 01S101W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS
20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.24 HOUR FORECAST WITHIN 02S117W TO 01S120W TO 03.4S120W TO
03.4S113W TO 02S117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
SE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0230 UTC WED OCT 8...

.HURCN PRISCILLA...SCATTERED MODERATE TO STRONG FROM 14N TO 24N
BETWEEN 108W AND 115W.

.T.S. OCTAVE...SCATTERED MODERATE FROM 13N TO 16N BETWEEN 118W
AND 121W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 06N78W TO 12N99W...THEN RESUMES W OF T.S.
OCTAVE NEAR 14N121W TO 09N140W. SCATTERED MODERATE TO STRONG N OF
10N AND E OF 101W. SCATTERED SHOWERS ALONG MONSOON TROUGH AND W
OF 121W.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$