105
FZPN01 KWBC 191548
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN OCT 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 19.
24 HOUR FORECAST VALID 1200 UTC OCT 20.
48 HOUR FORECAST VALID 1200 UTC OCT 21.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 51N164W 963 MB MOVING NE 30 KT. WITHIN 180 NM S SEMICIRCLE
WINDS 60 TO 75 KT. SEAS 7 TO 14 M. ELSEWHERE WITHIN 480 NM
SE...300 NM SW...180 NM NW...AND 240 NM NE QUADRANTS WINDS 45 TO
60 KT. SEAS 5 TO 10 M. ALSO WITHIN 660 NM SE...540 NM SW...420 NM
NW...AND 420 NM NE QUADRANTS WINDS 30 TO 45 KT. SEAS 4 TO 8
M...EXCEPT N OF 52N SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 55N143W 976 MB. WITHIN 480 NM S SEMICIRCLE
AND WITHIN 90 NM NE OF A FRONT FROM 59N145W TO 58N138W TO 55N134W
TO 53N134W WINDS 35 TO 50 KT. SEAS 5 TO 11 M. ELSEWHERE FROM 36N
TO 60N BETWEEN 128W AND 163W WINDS 25 TO 40 KT. SEAS 5 TO 10
M...EXCEPT N OF 57N SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 58N140W 998 MB. FROM 51N TO 59N BETWEEN
131W AND 144W WINDS 20 TO 30 KT. SEAS 4 TO 8 M...HIGHEST S OF
LOW. ELSEWHERE N OF A LINE FROM 31N146W TO 47N124W WINDS TO 25
KT. SEAS 2.5 TO 5 M.

...STORM WARNING...
.LOW 49N161W 983 MB MOVING NE 25 KT. WITHIN 420 NM S QUADRANT AND
WITHIN 120 NM E OF A FRONT FROM 50N164E TO 49N167E TO 45N168E TO
41N163E WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 37N TO
52N W OF 175E WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 51N179W 984 MB. FROM 45N TO 50N BETWEEN
168W AND 170E WINDS 40 TO 55 KT. SEAS 5 TO 11 M. ELSEWHERE FROM
42N TO 57N BETWEEN 164W AND 164E WINDS 25 TO 40 KT. SEAS 3 TO 8
M...HIGHEST IN SW QUADRANT. ALSO FROM 38N TO 57N W OF 162W WINDS
TO 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 53N155W 985 MB. FROM 43N TO 50N BETWEEN
151W AND 170W AND WITHIN 120 NM E OF A LINE FROM 52N147W TO
48N146W TO 45N149W WINDS 35 TO 45 KT. SEAS 7 TO 11 M. ELSEWHERE
FROM 40N TO 58N BETWEEN 139W AND 173W WINDS 25 TO 40 KT. SEAS 4
TO 8 M...EXCEPT N OF THE ALEUTIAN ISLANDS SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N127W 999 MB MOVING E 20 KT. FROM
41N TO 55N E OF 141W WINDS 25 TO 40 KT. SEAS 4 TO 8.5 M...HIGHEST
S OF LOW.
.24 HOUR FORECAST LOW DISSIPATED INLAND. FROM 34N TO 42N BETWEEN
123W AND 130W AREA OF N WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST FROM 34N TO 44N BETWEEN 125W AND 131W AREA OF N
WINDS TO 25 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.36 HOUR FORECAST LOW 49N162E 1000 MB. FROM 38N TO 49N W OF 172E
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 51N171E 992 MB. FROM 40N TO 52N W OF 178W
WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 51N
BETWEEN 160E AND 171E...AND WITHIN 60 NM E OF A LINE FROM 63N172W
TO 59N170W.
.24 HOUR FORECAST DENSE FOG WITHIN 60 NM N OF A LINE FROM 53N176E
TO 54N178W TO 53N172W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 53N BETWEEN 174E AND
169E.

.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 19.
24 HOUR FORECAST VALID 1200 UTC MON OCT 20.
48 HOUR FORECAST VALID 1200 UTC TUE OCT 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N122W TO 30N139W TO 25N140W TO 25N131W TO 30N122W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N132W TO 30N140W TO 27N140W TO
28N137W TO 30N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 30N117W TO 30N140W TO 28N140W TO
27N133W TO 26N123W TO 30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.

.18 HOUR FORECAST WITHIN 12N120W TO 13N122W TO 12N123W TO
10N122W TO 10N121W TO 11N120W TO 12N120W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 11N120W TO 13N122W TO 13N124W TO
11N124W TO 10N124W TO 10N122W TO 11N120W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 12N124W TO 13N129W TO 11N130W TO
10N127W TO 07N127W TO 10N124W TO 12N124W E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.

.24 HOUR FORECAST WITHIN 15N94W TO 16N95W TO 15N96W TO 14N95W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1500 UTC SUN OCT 19...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 1011 MB LOW PRES NEAR 11N89W TO
1010 MB LOW PRES NEAR 13N99W TO 09N125W. ITCZ FROM THAT POINT TO
BEYOND 11N140W. SCATTERED MODERATE N OF 08N BETWEEN 88W AND
120W.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$