268
FZPN01 KWBC 151602
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC OCT 15.
24 HOUR FORECAST VALID 1200 UTC OCT 16.
48 HOUR FORECAST VALID 1200 UTC OCT 17.

.WARNINGS.

...STORM WARNING...
.LOW 54N166W 962 MB MOVING NE 20 KT. FROM 47N TO 52N BETWEEN
159W AND 173W...AND WITHIN 180 NM NE OF A LINE FROM 54N156W TO
58N165W WINDS 35 TO 50 KT. SEAS 4 TO 10 M...HIGHEST NEAR
50N166W. ELSEWHERE WITHIN 360 NM NW...540 NM NE...600 NM
SE...AND 600 NM SW QUADRANTS..AND WITHIN 180 NM E OF FRONT FROM
56N159W TO 50N154W TO 44N156W...ALSO FROM 48N TO 55N BETWEEN
143W AND 151W WINDS 25 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN
AREA BOUNDED BY A LINE FROM
52N164E...44N175E...40N148W...54N140W...60N154W...62N175W...52N16
4E WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 57N154W 977 MB. FROM 51N TO 55N BETWEEN
147W AND 165W WINDS 35 TO 50 KT. SEAS 5 TO 10 M...HIGHEST NEAR
53N153W. ELSEWHERE BETWEEN 140W AND 170W FROM 57N TO A LINE
EXTENDING FROM 52N170W TO 48N155W TO 50N140W...ALSO N OF 53N
BETWEEN 130W AMD 133W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M.
ELSEWHERE N OF A LINE FROM 60N179W TO 50N170W TO 46N157W TO
45N137W TO 51N128W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 59N143W 993 MB. WITHIN 480 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 4 TO 7 M. ELSEWHERE N OF A LINE FROM
62N175W TO 50N136W TO 50N131W WINDS 20 TO 30 KT. SEAS 2.5 TO 5
M.

...GALE WARNING...
.LOW 36N172E 1004 MB MOVING NE 30 KT. BETWEEN 32N AND 38N FROM
166E TO 176E WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 41N173W 1007 MB. WITHIN 300 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 48N161W 993 MB. WITHIN 480 NM S
SEMICIRCLE...180 NM NE QUADRANT AND 120 NM NW QUADRANT WINDS 30
TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN AN AREA BOUNDED BY
50N165W...40N165W...38N160W...45N144W...51N156W...50N165W WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW 48N163E 1005 MB MOVING E 20. W OF A LINE FROM 49N167E TO
44N165E TO 40N160E WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 49N173E 994 MB. FROM 44N TO 51N BETWEEN
165E AND 179W WINDS 30 TO 45 KT. SEAS 3 TO 6.5 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY
50N160E...43N160E...39N174E...46N177W...50N178W...55N170E...50N16
0E WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST 49N171W 1003 MB. WITHIN 420 NM S AND SW
SEMICIRCLES...EXCEPT WHERE DESCRIBED BY LOW 48N161W ABOVE...ALSO
FROM 50N TO 54N BETWEEN 178W AND 180W WINDS 25 TO 40 KT. SEAS 3
TO 7 M...HIGHEST NEAR 45N176W. ELSEWHERE FROM 48N TO 53N BETWEEN
165W AND 175E WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST LOW 39N160E 996 MB. W OF A LINE FROM 41N166E
TO 35N166E TO 33N160E WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M.
ELSEWHERE FROM 31N TO 42N W OF 170E WINDS 20 TO 30 KT. SEAS TO 3
M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N
BETWEEN 146W AND 151W.
.24 HOUR FORECAST DENSE FOG N OF 62N W OF 170W.
.48 HOUR FORECAST DENSE FOG N OF 63N W OF 168W.

.FORECASTER SHAW. 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 1200 UTC WED OCT 15.
24 HOUR FORECAST VALID 1200 UTC THU OCT 16.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...INVEST EP91...NEAR 12.5N94.5W 1007 MB. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 11.5N97.5W 1006
MB. WITHIN 11N95W TO 11N97W TO 09N98W TO 08N98W TO 08N97W TO
09N95W TO 11N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED
SWELL.
.48 HOUR FORECAST LOW PRES...INVEST EP91...POSSIBLE TROPICAL
CYCLONE...NEAR 12.5N97.5W 1004 MB. WITHIN 11N95W TO 12N95W TO
13N96W TO 11N98W TO 09N98W TO 08N97W TO 11N95W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.

.DISSIPATING COLD FRONT FROM 32.5N114.5W TO 25.5N123.5W TO
27.5N138W. WITHIN 30N119W TO 30N140W TO 28N139W TO 25N133W TO
27N122W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL...EXCEPT N TO NE SWELL W OF 129W.
.24 HOUR FORECAST COLD FRONT DISSIPATED. FRONTAL TROUGH FROM
24N124W TO 23N130W TO 24.5N140W. WITHIN 26N115W TO 30N120W TO
28N127W TO 30N140W TO 13N140W TO 26N115W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF
129W.
.48 HOUR FORECAST FRONTAL TROUGH DISSIPATED. WITHIN 20N136W TO
30N137W TO 30N140W TO 11N140W TO 14N129W TO 16N129W TO 20N136W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED NE AND NW SWELL.
WITHIN 17N117W TO 17N118W TO 16N124W TO 14N124W TO 13N122W TO
14N118W TO 17N117W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N
SWELL.

.WITHIN 16N94W TO 16N95W TO 14N98W TO 13N98W TO 13N96W TO 14N95W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 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 1500 UTC WED OCT 15...

.LOW PRES...INVEST EP91...SCATTERED MODERATE ISOLATED STRONG
WITHIN 180 NM NE SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11.5N86.5W TO LOW PRES...INVEST EP91...NEAR
12.5N94.5W TO 10N100W TO 12N110W TO 06N123W TO 11N140W. ISOLATED
TO WIDELY SCATTERED MODERATE FROM 02N TO 09N BETWEEN 77W AND
90.5W...AND FROM 05N TO 15N BETWEEN 96W AND 106W. SIMILAR
CONVECTION WITHIN 180 NM OF MEXICO BETWEEN 100W AND 106W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.