703
FZPN02 KWBC 152325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED OCT 15 2025

CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC OCT 15.
24 HOUR FORECAST VALID 1800 UTC OCT 16.
48 HOUR FORECAST VALID 1800 UTC OCT 17.

.WARNINGS.

...STORM WARNING...
.LOW 56N163W 962 MB MOVING NE 20 KT. WITHIN 420 NM S
SEMICIRCLE...AND 420 NM NE QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO
10 M...HIGHEST NEAR 51N163W. ELSEWHERE WITHIN 540 NM NE AND 780
NM E QUADRANTS...ALSO WITHIN 600 NM S SEMICIRCLE...AND BETWEEN
240 NM AND 420 NM NW QUADRANT WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
ELSEWHERE BETWEEN 43N AND 64N FROM 137W TO 174E WINDS 20 TO 30
KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 58N151W 983 MB. WITHIN 360 NM S SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 5 TO 10 M...HIGHEST NEAR 54N150W.
ELSEWHERE WITHIN 540 NM S SEMICIRCLE WINDS 25 TO 40 KT. SEAS 4
TO 8 M. ELSEWHERE WITHIN 720 NM S AND SW SEMICIRCLES WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 59N141W 1000 MB. FROM 53N TO 59N BETWEEN
132W AND 145W WINDS TO 25 KT. SEAS 4 TO 6 M.

...STORM WARNING...
.LOW 36N173E 1008 MB MOVING NE 40 KT. BETWEEN 33N AND 38N FROM
168E TO 177E WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 42N169W 1008 MB. WITHIN 300 NM S AND SE
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE WITHIN
AN AREA BOUNDED BY
45N169W...36N176W...36N170W...41N158W...44N159W...45N165W...45N16
9W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 50N159W 985 MB. WITHIN 180 NM S AND 120 NM
NW SEMICIRCLES WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY
53N163W...49N165W...42N165W...42N155W...46N143W...50N146W...53N15
3W...53N163W WINDS 30 TO 45 KT. SEAS 3 TO 6 M.

...STORM WARNING...
.48 HOUR COMPLEX LOW WITH MEAN CENTER NEAR 37N162E 997 MB.
WITHIN 120 NM W AND NW OF A LINE FROM 41N165E TO 35N160E WINDS
40 TO 55 KT. SEAS 4 TO 7 M. ELSEWHERE W OF A LINE FROM 42N170E
TO 36N170E TO 31N160E WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M.

...GALE WARNING...
.LOW 48N166E 1003 MB MOVING E 20. W OF A LINE FROM 49N168E TO
44N169E TO 40N163E WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 49N176E 994 MB. FROM 40N TO 51N BETWEEN
170E AND 180W WINDS 30 TO 45 KT. SEAS 3 TO 6.5 M. ELSEWHERE
BETWEEN 38N AND 53N FROM 166E TO 175W...ALSO N OF 53N BETWEEN
166E AND 174E WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST 52N173W 1003 MB. WITHIN AN AREA BOUNDED BY
49N165W...42N165W...42N170W...47N177W...52N178E...52N177W...49N16
5W WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST NEAR 45N172W.
ELSEWHERE WITHIN 420 NM W QUADRANT WINDS 20 TO 30 KT. SEAS TO 3
M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM N
OF 61N BETWEEN 170W AND 173W.
.48 HOUR FORECAST DENSE FOG FROM 63N TO 65N W OF 167W.

.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 1800 UTC WED OCT 15.
24 HOUR FORECAST VALID 1800 UTC THU OCT 16.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.BROAD LOW PRES...INVEST EP91...NEAR 12.5N95.5W 1007 MB. WITHIN
12N95W TO 12N97W TO 11N98W TO 10N98W TO 10N97W TO 10N95W TO
12N95W WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW PRES...INVEST EP91...NEAR 12N97.5W 1006
MB. WITHIN 08N96W TO 10N96W TO 10N97W TO 08N100W TO 06N101W TO
06N98W TO 08N96W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...INVEST EP91...POSSIBLE TROPICAL
CYCLONE...NEAR 12.5N97.5W 1004 MB. WITHIN 13N95W TO 12N98W TO
08N99W TO 09N97W TO 10N95W TO 13N95W WINDS 20 TO 30 KT. SEAS 2.5
TO 3.0 M.

.DISSIPATING COLD FRONT FROM 30N114.5W TO 24N126W TO 26N124W.
WITHIN 30N118W TO 30N140W TO 15N140W TO 21N134W TO 25N125W TO
30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL
...EXCEPT N TO NE SWELL W OF 128W.
.24 HOUR FORECAST COLD FRONT DISSIPATED. FRONTAL TROUGH FROM
23.5N110.5W TO 22N130W TO 23.5N140W. WITHIN 30N140W TO 14N140W
TO 16N127W TO 19N124W TO 30N140W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST FRONTAL TROUGH DISSIPATED. WITHIN 30N135W TO
27N137W TO 30N140W TO 11N140W TO 15N131W TO 19N137W TO 30N135W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED NE AND NW SWELL.
WITHIN 15N119W TO 16N120W TO 16N123W TO 14N124W TO 13N124W TO
14N120W TO 15N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.

.WITHIN 16N94W TO 16N95W TO 14N97W TO 13N99W TO 12N99W TO 13N96W
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 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 2000 UTC WED OCT 15...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 12N92W TO 10N102W TO 11.5N114.5W
TO 07N123W TO 08.5N131.5W. ITCZ FROM 08.5N131.5W TO BEYOND
10N140W.
WIDELY SCATTERED MODERATE FROM 03N TO 11N BETWEEN 77W AND
91.5W...FROM 08.5N TO 13.5N BETWEEN 91.5W AND 104W...AND FROM
13N TO
16N BETWEEN 92W AND 97W. SIMILAR CONVECTION WITHIN 180 NM OF
COAST
OF MEXICO BETWEEN 101W AND 105.5W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC OCT 15 2025.
24 HOUR FORECAST VALID 1800 UTC OCT 16 2025.
48 HOUR FORECAST VALID 1800 UTC OCT 17 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N166E 27N160E MOVING ENE 20 KT. SEAS 2.5 TO 3.5 M N OF
LINE 30N169E 26N165E 25N160E. ISOLATED MODERATE TSTMS WITHIN 90 NM
OF FRONT.
.24 HOUR FORECAST FRONT 30N175E 28N169E. SEAS LOWERED TO 2.5 M OR
LOWER.
.48 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 30N155W 23N155W MOVING W 10 KT. ISOLATED MODERATE TSTMS
FROM 28N TO 23N BETWEEN 157W AND 150W.
.24 HOUR FORECAST TROUGH 30N161W 25N162W.
.48 HOUR FORECAST TROUGH 30N164W 23N164W.

.TROUGH 30N166W 26N168W 24N173W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 30N174W 24N176W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 14N159W 11N161W 08N164W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH S OF 13N.
.24 HOUR FORECAST TROUGH 15N165W 09N167W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.LOW NEAR 08N176W 1009 MB. TROUGH FROM 13N174W TO LOW TO 06N178W.
TROUGH AND LOW MOVING W SLOWLY. ISOLATED MODERATE TO LOCALLY
STRONG TSTMS FROM 12N TO 05N BETWEEN 176E AND 173W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 12N178W 06N179W.
.48 HOUR FORECAST TROUGH 12N178E 04N165E.

.TROUGH 11N163E 08N160E MOVING W 10 KT. ISOLATED MODERATE TSTMS
FROM 11N TO 06N W OF 165E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 27N TO 18N E OF 157W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 28N TO 21N BETWEEN
163W AND 145W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 24N TO 08N BETWEEN 176E AND 169W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N171W 29N168W
27N157W 14N149W 12N140W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N162W 23N160W
20N154W 14N177W 11N140W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 10N140W 09N145W 07N150W 07N157W...AND 09N167W 08N173W.
SCATTERED MODERATE TSTMS WITHIN 240 NM S OF ITCZ AND WITHIN 120
NM N OF ITCZ W OF 151W.

.SCATTERED MODERATE TSTMS FROM 26N TO 12N BETWEEN 166E AND 176E.
ISOLATED MODERATE TSTMS FROM 23N TO 21N BETWEEN 162E AND 164E.

$$

.FORECASTER TROTTER. HONOLULU HI.