866
FZPN01 KWBC 151007
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC WED OCT 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 15.
24 HOUR FORECAST VALID 0600 UTC OCT 16.
48 HOUR FORECAST VALID 0600 UTC OCT 17.

.WARNINGS.

...STORM WARNING...
.LOW 52N168W 964 MB MOVING NE 20 KT. FROM 46N TO 52N BETWEEN
162W AND 175W...AND WITHIN 120 NM NE OF A LINE FROM 49N158W TO
53N160W TO 56N166W TO 57N168W WINDS 35 TO 50 KT. SEAS 4 TO 10
M...HIGHEST NEAR 48N170W. ELSEWHERE WITHIN 360 NM NW...540 NM
NE...660 NM SE...AND 540 NM SW QUADRANTS..AND WITHIN 120 NM S OF
A LINE FROM 48N178W TO 51N166E WINDS 25 TO 35 KT. SEAS 4 TO 8 M.
ELSEWHERE WITHIN AREA BOUNDED BY A LINE FROM 42N160E TO 32N160W
TO 48N145W TO 61N165W TO 61N177W WINDS TO 25 KT. SEAS 2.5 TO 5
M.
.18 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 56N160W 969 MB
AND SECOND NEW CENTER 58N149W 980 MB. FROM 49N TO 53N BETWEEN
152W AND 170W...AND N OF A LINE FROM 57N138W TO 59N146W TO
59N154W WINDS 40 TO 50 KT. SEAS 4.5 TO 10 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 57N157W 971 MB
AND SECOND CENTER 59N149W 980 MB. FROM 50N TO 55N BETWEEN 148W
AND 171W...AND NE OF A LINE FROM 55N135W TO 58N139W TO 60N146W
WINDS 35 TO 50 KT. SEAS 5 TO 10 M...HIGHEST NEAR 53N158W.
ELSEWHERE FROM 46N TO 61N BETWEEN 130W AND 177W WINDS 25 TO 35
KT. SEAS 2.5 TO 6 M...HIGHEST S OF CENTER. ELSEWHERE WITHIN 900
NM E AND 960 NM W SEMICIRCLE WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 59N142W 990 MB. WITHIN 540 NM S
SEMICIRCLE...AND WITHIN 840 NM W QUADRANT WINDS 25 TO 35 KT.
SEAS 3 TO 8.5 M...HIGHEST NEAR 55N140W. ELSEWHERE WITHIN 900 NM
W AND 780 NM E SEMICIRCLES WINDS TO 25 KT. SEAS 2.5 TO 5 M.

...STORM WARNING...
.LOW 35N167E 1004 MB MOVING NE 40 KT. WITHIN 60 NM NW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE S OF 40N W OF 177E
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 39N176W 1008 MB. WITHIN 120 NM ON EITHER
SIDE OF A LINE FROM 40N165W TO 40N174W TO 34N174E WINDS 20 TO 30
KT. SEAS 3 TO 4 M. ELSEWHERE S OF 42N W OF 164W WINDS LESS THAN
25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 46N162W 1003 MB. FROM 40N TO 48N BETWEEN
149W AND 166W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.12 HOUR FORECAST LOW 49N165E 1000 MB. WITHIN 120 NM SW QUADRANT
WINDS 30 TO 40 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW 49N170E 995 MB. FROM 42N TO 52N BETWEEN
177E AND 163E WINDS 25 TO 40 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE
FROM 42N TO 53N W OF 180W WINDS TO 25 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 49N177W 996 MB.
WITHIN 480 NM SE QUADRANT AND 420 NM W SEMICIRCLE WINDS 25 TO 35
KT. SEAS 4 TO 6 M. ELSEWHERE FROM 36N TO 55N BETWEEN 164W AND
169E WINDS TO 25 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MEAN CENTER 36N123W 1012 MB DRIFTING E 10 KT.
S OF 44N BETWEEN 119W AND 138W WINDS TO 25 KT. SEAS 2.5 TO 3.5
M.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.

.LOW WELL INLAND. N OF 55N E OF 147W WINDS LESS THAN 25 KT. SEAS
2.5 TO 3.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST LOW W OF AREA 37N154W 1000 MB. FROM 34N TO 41N
W OF 164E WINDS 20 TO 30 KT. SEAS TO 3.5 M.

.48 HOUR FORECAST FROM 35N TO 42N BETWEEN 124W AND 129W WINDS 20
TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 50N
BETWEEN 147W AND 154W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG N OF 62N W OF 169W.

.FORECASTER POCHE. OCEAN PREDICTION CENTER.

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 OCT 15.
24 HOUR FORECAST VALID 0600 UTC THU OCT 16.
48 HOUR FORECAST VALID 0600 UTC FRI OCT 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...INVEST EP91...NEAR 12N94W 1007 MB. WINDS 20 KT OR
LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...INVEST EP91...POSSIBLE TROPICAL
CYCLONE...NEAR 12.5N96W 1006 MB. WITHIN 12N94W TO 11N96W TO
10N97W
TO 09N96W TO 09N95W TO 10N94W TO 11N96W S TO SW WINDS 20 TO 25
KT.
SEAS TO 2.5 M.
.48 HOUR FORECAST LOW PRES...INVEST EP91...POSSIBLE TROPICAL
CYCLONE...NEAR 13N96W 1005 MB. WITHIN 14N94W TO 14N95W TO 14N96W
TO
13N97W TO 12N95W TO 14N94W WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
WITHIN 12N95W TO 10N98W TO 08N100W TO 06N102W TO 06N99W TO
08N95W TO
12N95W WINDS 20 KT OR LESS. SEAS 2.5 IN S TO SW SWELL.

.COLD FRONT FROM 30N117W TO 26N126W TO 30N135W. WITHIN 30N119W
TO
30N140W TO 27N135W TO 26N130W TO 27N122W TO 30N119W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT FROM 25N113W TO 23N127W
TO
26N140W. WITHIN 28N117W TO 30N140W TO 17N140W TO 21N125W TO
28N117W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN DECAYING NW TO N SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 20N133W TO
29N140W
TO 13N140W TO 14N131W TO 17N127W TO 20N133W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN DECAYING N TO NE SWELL.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W
TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 15N95W TO
15N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.39 HOUR FORECAST 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 0845 UTC WED OCT 15...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF 08N79W.

.SCATTERED MODERATE WITHIN 30 NM OF 09N85W AND OF 12N105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO LOW PRES...INVEST
EP91...NEAR 12N94W 1007 MB TO 10N103W TO 11N113W TO 08N121W.
ITCZ EXTENDS FROM 08N121W TO 07N128W TO 11N135W TO 11N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 06N TO 09N BETWEEN 94W
AND 101W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.