099
FZPN01 KWBC 091632
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU OCT 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 09.
24 HOUR FORECAST VALID 1200 UTC OCT 10.
48 HOUR FORECAST VALID 1200 UTC OCT 11.

.WARNINGS.

...TYPHOON  WARNING...
...HURRICANE FORCE WIND WARNING....
.TYPHOON HALONG NEAR 34.0N 148.5E AT 1500 UTC OCT 09 MOVING E 085
DEG AT 26 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT.
TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...135 NM SE
QUADRANT...145 NM SW QUADRANT...AND 185 NM NW QUADRANT. SEAS 4 M
OR GREATER W OF AREA WITH SEAS TO 12.0 M.
.24 HOUR FORECAST TYPHOON HALONG NEAR 35.1N 162.0E. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.  TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE
QUADRANT...150 NM SE QUADRANT...180 NM SW QUADRANT...AND 180 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM NE...150 NM
SE...720 NM SW...AND 420 NM NW QUADRANTS WITH SEAS TO 10 M.
ELSEWHERE S OF 37N W OF 170E WINDS 20 TO 33 KT. SEAS TO 4 M.
.36 HOUR FORECAST POST-TROPICAL CYCLONE HALONG NEAR 37.6N 170.5E
965 MB. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.42 HOUR FORECAST POST-TROPICAL CYCLONE HALONG NEAR 40N175E 968
MB. WITHIN 120 NM SE AND 180 NM SW QUADRANTS WINDS 50 TO 65 KT.
SEAS 6 TO 8.5 M.
.48 HOUR FORECAST POST-TROPICAL CYCLONE HALONG NEAR 44N180W 970
MB. WITHIN 180 NM S SEMICIRCLE WINDS 50 TO 65 KT. SEAS 5 TO 9 M.
ALSO WITHIN 240 NM SE...300 NM SW...AND 120 NM W QUADRANTS WINDS
35 TO 50 KT. SEAS 4.5 TO 7.5 M. ELSEWHERE WITHIN 540 NM E
SEMICIRCLE...AND WITHIN 480 NM SW AND 240 NM NW QUADRANTS WINDS
25 TO 35 KT. SEAS 3.5 TO 7 M. OTHERWISE CONDITIONS DESCRIBED WITH
LOW 55N166E BELOW.

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

...HURRICANE FORCE WIND WARNING...
.LOW W OF AREA 51N161E 968 MB MOVING NE 10 KT. A FRONT EXTENDS
FROM LOW CENTER TO 53N163E TO 51N168E TO 47N172E TO 41N171E.
BETWEEN 120 NM AND 420 NM S QUADRANT WINDS 50 TO 65 KT. SEAS 8 TO
11 M. ALSO FROM 40N TO 51N W OF 170E...AND WITHIN 240 NM N AND E
OF THE FRONT WINDS 35 TO 50 KT. SEAS 5 TO 9 M...HIGHEST ALONG
160E AND NEAR 52N167E. ELSEWHERE N OF 36N W OF 180W WINDS 25 TO
35 KT. SEAS 3 TO 6 M. OTHERWISE N OF 30N W OF 180 WINDS TO 25 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N167E 960 MB.
BETWEEN 120 NM AND 540 NM S SEMICIRCLE...AND BETWEEN 360 NM AND
720 NM NE QUADRANT WINDS 40 TO 55 KT. SEAS 6 TO 11 M. ALSO N AND
W OF A LINE FROM 42N160E TO 45N180W TO 50N163W TO 60N168W TO
62N175W...AND FROM 41N TO 52N BETWEEN 162W AND 172W WINDS 25 TO
40 KT. SEAS 3 TO 7.5 M...HIGHEST S AND SE OF CENTER. ELSEWHERE N
AND W OF A LINE FROM 37N160E TO 35N170E TO 53N163W TO 62N175W
WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW NW OF AREA 55N166E 969 MB. FROM 36N TO 53N
W OF 171E...AND WITHIN 480 NM E SEMICIRCLE WINDS 30 TO 45 KT.
SEAS 4 TO 8 M. ELSEWHERE N AND W OF A LINE FROM 30N175W TO
50N161W TO 57N152W...EXCEPT FROM 52N TO 62N BETWEEN 157W AND
171W...WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M IN MIXED SWELL.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 41N172W 1008 MB MOVING N 10 KT.
WITHIN 360 NM N QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
ELSEWHERE FROM 32N TO 52N BETWEEN 167W AND 174E WINDS TO 25 KT.
SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW INLAND 63N150W 1018 MB MOVING SE 10 KT. WITHIN 480 NM S AND
660 NM SW QUADRANTS WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST LOW 60N146W 1016 MB. WITHIN 180 NM SW QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 59N142W 1014 MB. WITHIN 540 NM S AND 360 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW INLAND 53N128W 1009 MB. WITHIN 300 NM SW
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM
36N TO 56N BETWEEN 126W AND 141W WINDS TO 25 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 36N123W 1011 MB MOVING E 10 KT. S OF 38N E OF 126W WINDS
LESS THAN 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND. S OF 32N E OF 121W AREA
OF N TO NW WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST S OF 36N W OF 126W AREA OF N TO NW WINDS 20 TO
30 KT. SEAS 2.5 TO 3.5 M.

.COMPLEX LOW WITH MEAN CENTER NEAR 45N129W 1007 MB NEARLY
STATIONARY. WITHIN 720 NM W AND NW QUADRANTS WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW NEAR 44N130W 1008 MB. WITHIN 240
NM OF LOW CENTER...AND WITHIN 660 NM S AND W...AND 480 NM N
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH
LOW 53N128W IN WARNINGS SECTION ABOVE.

.COMPLEX LOW WITH MAIN CENTER 33N156W 1011 MB MOVING NW 15 KT.
WITHIN 420 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMBINED LOW 36N160W 1013 MB. WITHIN 420 NM NE
AND 480 NM E QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
ELSEWHERE...EXCEPT WHERE DESCRIBED WITH LOW 53N167E IN WARNINGS
SECTION ABOVE...S OF THE ALEUTIAN ISLANDS BETWEEN 148W AND 180W
WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 35N155W 1016
MB. WITHIN 480 NM NE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M.

.LOW N OF AREA 66N175W 1004 MB MOVING NE 20 KT. FROM 56N TO 62N
BETWEEN ALASKA AND 177W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN THE BERING SEA...EXCEPT WHERE DESCRIBED WITH LOW
51N161E IN WARNINGS SECTION ABOVE...WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST LOW WELL N OF AREA AND CONDITIONS DESCRIBED
WITH LOW 53N167E IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 48N
BETWEEN 166W AND 173W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 56N BETWEEN 165W AND
175W.
.48 HOUR FORECAST DENSE FOG N OF 63N W OF ALASKA...AND WITHIN 360
NM EITHER SIDE OF A LINE FROM 56N158W TO 44N180W.

.FORECASTER ANDERSON. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 9 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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC THU OCT 9.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 10.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 11.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM PRISCILLA NEAR 23.8N 114.7W 996 MB AT 1500 UTC
OCT 09 MOVING NNW OR 330 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 40
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE AND 90 NM W SEMICIRCLE.  SEAS 4 M OR GREATER WITHIN
180 NM S SEMICIRCLE...120 NM NE QUADRANT AND 210 NM NW QUADRANT
WITH SEAS TO 7 M. ELSEWHERE WITHIN 24N111W TO 26N113W TO 26N117W
TO 25N119W TO 21N116W TO 21N113W TO 24N111W WINDS 20 TO 33 KT.
SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 23N111W TO 29N115W TO
29N120W TO 26N123W TO 19N121W TO 19N113W TO 23N111W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL PRISCILLA NEAR 25.9N 115.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 4 M OR GREATER
WITHIN 60 NM NE QUADRANT. ELSEWHERE WITHIN 25N113W TO 28N115W TO
28N117W TO 26N119W TO 23N116W TO 23N113W TO 25N113W WINDS 20 TO
33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 27N114W TO 29N117W
TO 27N120W TO 18N118W TO 16N116W TO 20N111W TO 27N114W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 26.7N
115.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 27N113W
TO 26N116W TO 28N116W TO 27N118W TO 25N117W TO 25N114W TO
27N113W WINDS 20 TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW PRISCILLA NEAR 27.3N
114.8W. WITHIN 26N115W TO 27N116W TO 26N117W TO 25N117W TO
25N116W TO 25N115W TO 26N115W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL..

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SEVENTEEN-E NEAR 16.2N 100.8W 1004 MB AT
1500 UTC OCT 09 MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 17N99W TO 17N101W TO
17N102W TO 16N100W TO 16N99W TO 17N99W WINDS 20 TO 30 KT. SEAS TO
3 M. ELSEWHERE WITHIN 18N102W TO 19N104W TO 18N105W TO 15N104W
TO 15N102W TO 16N101W TO 18N102W NW WINDS 20 TO 30 KT. SEAS TO 3
M.
.12 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 16.8N 102.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 18.1N 105.1W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...40 NM SE QUADRANT...30 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS TO 4 M OR GREATER WITHIN
90 NM NE SEMICIRCLE. ELSEWHERE WITHIN 18N103W TO 20N105W TO
19N107W TO 15N106W TO 15N104W TO 16N103W TO 18N103W WINDS 20 TO
33 KT. SEAS 3 TO 4 M. REMAINDER OF AREA WITHIN 20N105W TO 20N108W
TO 11N110W TO 12N101W TO 14N99W TO 20N105W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 21.4N 109.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 90 NM NE SEMICIRCLE
WITH SEAS TO 5 M. ELSEWHERE WITHIN 24N108W TO 24N111W TO 22N113W
TO 19N112W TO 19N105W TO 24N108W WINDS 20 TO 33 KT. SEAS 3 TO 4
M. REMAINDER OF AREA WITHIN 19N104W TO 18N110W TO 16N106W TO
17N105W TO 18N104W TO 19N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN MIXED 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.

.POST-TROPICAL CYCLONE OCTAVE NEAR 17.7N 110.5W 1006 MB AT 1500
UTC OCT 09 MOVING ENE OR 065 DEG AT 15 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR GREATER WITHIN 30 NM NE AND
SW QUADRANTS...15 NM NW QUADRANT AND 60 NM SE QUADRANT WITH SEAS
TO 4.5 M. ELSEWHERE WITHIN 18N110W TO 18N111W TO 17N112W TO
16N112W TO 16N110W TO
18N110W SW TO W WINDS 20 TO 30 KT. SEAS 3 TO 4 M. REMAINDER OF
AREA WITHIN 20N107W TO 19N121W TO 12N117W TO 10N111W TO 14N106W
TO
20N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.12 HOUR FORECAST...OCTAVE DISSIPATED.
.24 HOUR FORECAST WITHIN 17N109W TO 21N108W TO 20N111W TO
16N113W TO 15N116W TO 11N111W TO 17N109W NW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS MERGED WITH T.D. SEVENTEEN-E.

.WITHIN 12N125W TO 13N128W TO 12N129W TO 10N129W TO 09N125W TO
10N124W TO 12N125W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 13N124W TO 12N127W TO 10N127W TO
10N125W TO 10N124W TO 13N124W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 06N84W TO 06N93W TO 08N104W TO 03N103W TO 02N95W TO
03N84W TO 06N84W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W TO
NW SWELL. ELSEWHERE WITHIN 00N119W TO 00N121W TO 01S120W TO
03.4S120W TO 03.4S115W TO 00N119W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 00N109W TO 02N113W TO 00N121W TO
03.4S120W TO 03.4S105W TO 00N109W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SW SWELL.
.48 HOUR FORECAST WITHIN 04N94W TO 06N102W TO 05N109W TO 03N109W
TO 02N104W TO 03N97W TO 04N94W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.

.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
14N94W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 14N93W TO 16N94W TO 16N95W TO 15N96W TO
13N95W TO 13N93W TO 14N93W...INCLUDING THE GULF OF
TEHUANTEPEC... NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.

.36 HOUR FORECAST WITHIN 06N85W TO 05N88W TO 05N88W TO 04N87W TO
04N86W TO 04N85W TO 06N85W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 09N84W TO 08N86W TO 07N86W TO 06N86W TO
06N84W TO 07N82W TO 09N84W SW TO W WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M IN W TO NW SWELL.

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

CONVECTION VALID AT 1500 UTC THU OCT 9...

.TROPICAL STORM PRISCILLA...NO SIGNIFICANT CONVECTION IS EVIDENT.

.TROPICAL STORM OCTAVE...NO SIGNIFICANT CONVECTION IS EVIDENT.

.TROPICAL DEPRESSION SEVENTEEN-E...NUMEROUS MODERATE TO STRONG
FROM 13N TO 18.5N BETWEEN 100W AND 105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N85W TO 16N98W...THEN RESUMES SW OF
PRISCILLA NEAR 15N117W TO 10N134W. ITCZ FROM 10N134W TO BEYOND
09N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 05N TO 10N
BETWEEN 80W AND 90W.

.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$