866
FZPN01 KWBC 051612
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN OCT 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 05.
24 HOUR FORECAST VALID 1200 UTC OCT 06.
48 HOUR FORECAST VALID 1200 UTC OCT 07.

.WARNINGS.

...STORM WARNING...
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N163E 995 MB.
WITHIN 180 NM SE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 3 TO 5
M...HIGHEST S OF CENTER. ELSEWHERE FROM 38N TO 47N BETWEEN 173E
AND 160E WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 61N179E 965 MB. WITHIN 180 NM SE QUADRANT
WINDS 45 TO 60 KT. SEAS FROM 5 TO 8.5 M. ELSEWHERE WITHIN 300 NM
SE QUADRANT AND WITHIN 300 NM SE OF A FRONT FROM 63N173W TO
56N173W TO 47N179E WINDS 35 TO 45 KT. SEAS 3.5 TO 7.5 M...HIGHEST
SE OF LOW. ALSO N OF 33N BETWEEN 160W AND 158W WINDS 25 TO 40 KT.
SEAS 2.5 TO 5.5 M...HIGHEST NEAR 50N177W.

...GALE WARNING...
.LOW NW OF AREA 61N179E 982 MB MOVING SE 05 KT THEN NE AFTER 12
HOURS. N OF 52N BETWEEN 169W AND 172E WINDS 25 TO 35 KT. SEAS 3
TO 5.5 M...HIGHEST NEAR 55N176E. ELSEWHERE N OF 51N W OF 163W
WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 62N177W 992 MB. WITHIN 240 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW N OF AREA. CONDITIONS DESCRIBED BY LOW
61N179E ABOVE.

...GALE WARNING...
.COMPLEX LOW INLAND NEAR 59N157W 1000 MB MOVING NE 10 KT. N OF
59N BETWEEN 142W AND 153W WINDS 25 TO 40 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE FROM 50N TO 58N BETWEEN 136W AND 153W WINDS 20 TO 30
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND...WITH ASSOCIATED
CONDITIONS AS DESCRIBED WITH LOW 63N155W BELOW.

...GALE WARNING...
.LOW 55N164W 997 MB MOVING NE 25 KT. FROM 43N TO 56N BETWEEN 155W
AND 177E WINDS 25 TO 35 KT. SEAS 3 TO 5 M...HIGHEST NEAR 50N167W.
ELSEWHERE FROM 37N TO 54N BETWEEN 148W AND 170E WINDS 20 TO 30
KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND NEAR
63N155W 995 MB. FROM 50N TO 59N BETWEEN 142W AND 165W WINDS 25 TO
40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 56N151W. ELSEWHERE N OF 43N
BETWEEN 140W AND 170W WINDS 20 TO 30 KT. SEAS TO 4.5 M...HIGHEST
S OF LOW CENTER.
.48 HOUR FORECAST LOW WITH NEW MAIN CENTER 58N140W 1009 MB.
WITHIN 720 NM SW QUADRANT AND WITHIN 300 NM S OF A LINE FROM
52N132W TO 48N133W TO 43N143W TO 39N160W WINDS 20 TO 30 KT. SEAS
3.5 TO 5 M...HIGHEST SW OF CENTER.

...GALE WARNING...
.LOW W OF AREA NEAR 53N160E 995 MB. WITHIN 480 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 44N TO 51N W OF
177E WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW W OF AREA 58N172E 984 MB. WITHIN 240 NM SE
OF A LINE FROM 56N179E TO 52N171E TO 47N167E WINDS 35 TO 45 KT.
SEAS 3 TO 5.5 M. ELSEWHERE FROM 47N TO 59N BETWEEN 167W AND 167E
WINDS 25 TO 40 KT. SEAS 3 TO 5 M...HIGHEST NEAR 56N173E. .48 HOUR
FORECAST LOW NW OF AREA WITH CONDITIONS AS DESCRIBED WITH LOW
61N179E IN STORM WARNING ABOVE.

...GALE WARNING...
.24 HOUR FORECAST LOW 53N161E 989 MB. N OF 49N W OF 167E WINDS 25
TO 40 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 61N179E IN
STORM WARNING ABOVE.

.SYNOPSIS AND FORECAST.

.E OF A LINE FROM 49N132W TO 42N133W TO 33N126W AREA OF NW TO N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST FROM 34N TO 47N BETWEEN 125W AND 134W AREA OF N
TO NW WINDS TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 35N TO 45N BETWEEN 128W AND 145W AREA OF N
WINDS LESS THAN 25 KT. SEAS TO 3 M.

.FROM 32N TO 34N W OF 175E AREA OF E TO NE WINDS TO 25 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST FROM 33N TO 42N BETWEEN 157W AND 167E AREA OF N
TO NE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST S OF 38N AREA OF NE WINDS TO 25 KT. SEAS 2.5 TO
3.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 59N
BETWEEN 136W AND 155W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM E OF A LINE FROM
58N138W TO 50N140W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM
49N180W TO 44N177W.

.FORECASTER HYDE. 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 1200 UTC SUN OCT 05.
24 HOUR FORECAST VALID 1200 UTC MON OCT 06.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 07.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM PRISCILLA NEAR 16.4N 107.1W 991 MB AT 1500 UTC
OCT
05 MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE
QUADRANT...100 NM SE QUADRANT...60 NM SW QUADRANT...AND 90 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 120 NM OF CENTER EXCEPT 150
NM
SE QUADRANT WITH SEAS TO 6 M. ELSEWHERE FROM 10N TO 20N BETWEEN
102W
AND 110W WINDS 20 TO 33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA

FROM 08N TO 20N BETWEEN 100W AND 112W WINDS 20 KT OR LESS. SEAS
2.5
TO 3 M IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE PRISCILLA NEAR 16.7N 107.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE PRISCILLA NEAR 17.4N 107.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN
120 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 105 NM SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM OF CENTER EXCEPT 180
NM
SE QUADRANT WITH SEAS TO 8 M. ELSEWHERE FROM 11N TO 21N BETWEEN
104
AND 111W WINDS 20 TO 33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA

FROM 08N TO 23N BETWEEN 98W AND 113W WINDS 20 KT OR LESS. SEAS
2.5
TO 3 M IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE PRISCILLA NEAR 19.2N 109.9W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 100 NM
SW
QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER EXCEPT 210
NM
SE QUADRANT WITH SEAS TO 9.5 M. ELSEWHERE FROM 13N TO 22N BETWEEN

105 AND 113W WINDS 20 TO 33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE
AREA FROM 09N TO 25N BETWEEN 105W AND 115W...INCLUDING THE
ENTRANCE
TO THE GULF OF CALIFORNIA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN
MIXED SWELL.

...HURRICANE WARNING...
.HURRICANE OCTAVE NEAR 15.7N 123.7W 987 MB AT 1500 UTC OCT 05
MOVING
NE OR 045 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT.

TROPICAL STORM FORCE WINDS WITHIN 60 NM N SEMICIRCLE AND 50 NM S
SEMICIRCLE. SEAS 4 M OR GREATER WITHIN 60 NM E SEMICIRCLE AND 75
NM
W SEMICIRCLE WITH SEAS TO 6 M. ELSEWHERE FROM 13N TO 18N BETWEEN
122W AND 126W WINDS 20 TO 33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE

AREA FROM 10N TO 20N BETWEEN 121W AND 130W WINDS 20 KT OR LESS.
SEAS
2.5 TO 3 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 16.1N 122.1W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 4 M
OR
GREATER WITHIN 60 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE WITH
SEAS
TO 5 M. ELSEWHERE FROM 12N TO 18N BETWEEN 120W AND 125W WINDS 20
TO
33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA FROM 11N TO 19N
BETWEEN
119W AND 128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED
SWELL.
.48 HOUR FORECAST TROPICAL STORM OCTAVE NEAR 15.7N 119.9W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM NE QUADRANT. SEAS 4 M
OR
GREATER WITHIN 60 NM E SEMICIRCLE AND 75 NM W SEMICIRCLE WITH
SEAS
TO 5 M. ELSEWHERE FROM 13N TO 17N BETWEEN 115W AND 121W WINDS 20
TO
33 KT. SEAS 3 TO 4 FT. REMAINDER OF THE AREA FROM 12N TO 18N
BETWEEN
115W AND 123W 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.

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

CONVECTION VALID AT 0920 UTC SUN OCT 5...

.TROPICAL STORM PRISCILLA...NUMEROUS MODERATE TO STRONG WITHIN
90 NM OF CENTER...EXCEPT 120 NM SE QUADRANT. SCATTERED MODERATE
TO
STRONG ELSEWHERE FROM 13N TO 21N BETWEEN 100W AND 111W.

.HURRICANE OCTAVE...NUMEROUS MODERATE TO STRONG WITHIN 60 NM OF
CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH EXTENDS FROM 08N81W TO 07N87W TO 10N98W, THEN
RESUMES SW OF OCTAVE FROM 11N127W TO 08N134W. THE ITCZ EXTENDS
FROM
08N134W TO BEYOND 09N140W. ASIDE FROM THE CONVECTION ASSOCIATED
WITH
OCTAVE AND PRISCILLA, SCATTERED MODERATE TO ISOLATED STRONG
CONVECTION IS NOTED FROM 04N TO 11N BETWEEN 80W AND 97W.


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$