773
FZPN01 KWBC 250423
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE NOV 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 25.
24 HOUR FORECAST VALID 0000 UTC NOV 26.
48 HOUR FORECAST VALID 0000 UTC NOV 27.

.WARNINGS.

...STORM WARNING...
.12 HOUR FORECAST LOW JUST W OF AREA 40N159E 998 MB. WITHIN AN
AREA BOUNDED BY A LINE FROM 30N172E TO 39N172E TO 46N160E TO
30N160E TO 30N172E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 41N165E 996 MB.
WITHIN 180 NM N SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE WITHIN 240 NM NE...960 NM SE...600 NM S AND 300 NM NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 40N168E 994 MB
AND SECOND CENTER 37N170W 997 MB. WITHIN 300 NM S...240 NM W AND
180 NM NW QUADRANTS OF MAIN CENTER WINDS 35 TO 50 KT. SEAS 4.5
TO 7 M...HIGHEST NEAR 40N166E. ELSEWHERE FROM 30N TO 48N W OF
180W AND WITHIN 540 NM E...480 NM SE AND 600 NM SW QUADRANTS OF
THE SECOND CENTER WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 37N147W 1007 MB. WITHIN 240 NM SE AND
300 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.36 HOUR FORECAST LOW 41N141W 1000 MB. WITHIN 240 NM NE...120 NM
E...180 NM SE...60 NM SW AND 90 NM NW QUADRANTS WINDS 35 TO 45
KT. SEAS 3 TO 5 M.
48 HOUR FORECAST LOW 45N135W 992 MB. BETWEEN 60 NM AND 180 NM
S...SW AND 60 NM AND 120 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS
4.5 TO 7 M. ELSEWHERE FROM 40N TO 49N BETWEEN 128W AND 140W WINDS
25 TO 40 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 52N162W 987 MB MOVING NW 15 KT. WITHIN 360 NM N AND 180 NM
S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 3 TO 6 M...EXCEPT TO 3.5 M
N OF THE ALEUTIAN ISLANDS E OF 170W.
.24 HOUR FORECAST LOW 54N171W 983 MB. WITHIN 660 NM NE...N AND
480 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 51N170W 993 MB. FROM 47N TO 51N BETWEEN
163W AND 175W WINDS TO 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW 49N149W 992 MB MOVING NE 25 KT. WITHIN 180 NM S AND SW OF A
FRONT FROM 50N151W TO THE LOW TO 48N152W...WITHIN 240 NM NE AND E
OF FRONT FROM THE LOW TO 46N139W AND WITHIN 180 NM E AND SE OF
FRONT FROM 46N139W TO 44N140W WINDS 30 TO 40 KT. SEAS 3 TO 5 M.
ELSEWHERE FROM 43N TO 56N BETWEEN 155W AND 131W WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M.
.12 HOUR FORECAST LOW 52N143W 998 MB. WITHIN 180 NM N AND NE OF A
FRONT FROM 53N141W TO 51N135W TO 47N131W TO 45N131W AND BETWEEN
60 NM AND 180 NM S SEMICIRCLE WINDS 35 TO 45 KT. SEAS 3.5 TO 5.5
M.
.24 HOUR FORECAST LOW 54N137W 1000 MB. WITHIN 90 NM N AND NE OF A
LINE FROM 55N138W TO 54N133W TO 49N128W AND WITHIN 120 NM S OF A
LINE FROM 51N135W TO 51N141W WINDS 30 TO 40 KT. SEAS 3.5 TO 5.5
M. ELSEWHERE FROM 49N TO 58N E OF 143W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 50N179W 984 MB MOVING SE 15 KT. BETWEEN 90 NM AND 600 NM
SE...90 NM AND 480 NM S AND 180 NM AND 480 NM SW QUADRANTS WINDS
35 TO 45 KT. SEAS 5.5 TO 8.5 M...HIGHEST NEAR 47N179E. ELSEWHERE
WITHIN 840 NM SE...780 NM S...600 NM SW AND W QUADRANTS WINDS 25
TO 35 KT. SEAS 3.5 TO 5 M.
.24 HOUR FORECAST LOW 48N170W 989 MB. WITHIN 240 NM S AND SW OF A
LINE FROM 46N169W TO 46N176W WINDS 30 TO 40 KT. SEAS 5 TO 7 M.
ELSEWHERE WITHIN 660 NM NE...SE...600 NM S AND 480 NM SW
QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST LOW 52N155W 994 MB. FROM 44N TO 58N BETWEEN
145W AND 154W AND BETWEEN 180 NM AND 480 NM SW QUADRANT WINDS 20
TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW 52N179W 982 MB MOVING SE 20 KT. WITHIN 180 NM NW SEMICIRCLE
WINDS 30 TO 40 KT. SEAS 3 TO 5 M. ELSEWHERE N OF THE ALEUTIAN
ISLANDS N OF 52N BETWEEN 170W AND 170E WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS ABSORBED BY LOW
48N170W DESCRIBED ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY FROM 58N TO 60N E OF 173W TO
ALASKA AND N OF 60N W OF ALASKA.
.24 HOUR FORECAST N OF 60N W OF ALASKA.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
ALASKA. ELSEWHERE LIGHT OT MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM N OF A
LINE FROM 52N160W TO 52N169W...WITHIN 90 NM N OF A LINE FROM
55N170W TO 55N170W AND FROM 51N TO 53N BETWEEN 177E AND 173E.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM NW OF A LINE FROM
57N153W TO 56N157W AND FROM 51N TO 53N BETWEEN 170W AND 174W.
.48 HOUR FORECAST DENSE FOG FROM 57N TO 61N E OF 170W TO ALASKA.

.FORECASTER FUTTERMAN. 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 0000 UTC TUE NOV 25.
24 HOUR FORECAST VALID 0000 UTC WED NOV 26.
48 HOUR FORECAST VALID 0000 UTC THU NOV 27.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 21N110W TO 30N116W TO 30N133W TO 23N140W TO 07N140W TO
08N114W TO 21N110W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 16N111W TO 19N125W TO 18N140W TO
11N140W TO 07N119W TO 10N108W TO 16N111W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 12N113W TO 16N140W TO 07N140W TO
04N129W TO 05N115W TO 12N113W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.

.06 HOUR FORECAST WITHIN 11.5N86W TO 11.5N86.5W TO 11N87.5W TO
10.5N87.5W TO 10.5N85.5W TO 11.5N86W...INCLUDING THE GULF OF
PAPAGAYO... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 10N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.

.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO
14N94W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

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

CONVECTION VALID AT 0200 UTC TUE NOV 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 07N111W. ITCZ FROM 07N111W TO
09N140W. SCATTERED MODERATE FROM 04N TO 08N BETWEEN 80W AND
85W...FROM 06N TO 09N BETWEEN 105W AND 123W...AND FROM 05N TO
13N BETWEEN 130W AND 140W.


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$