FZPN01 KWBC 300422
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN NOV 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 30. 
24 HOUR FORECAST VALID 0000 UTC DEC 01.
48 HOUR FORECAST VALID 0000 UTC DEC 02.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.18 HOUR FORECAST LOW 30N177W 995 MB. S OF 31N BETWEEN 174W AND
178W WINDS 30 TO 45 KT. SEAS 4 TO 6 M.
.24 HOUR FORECAST LOW 32N171W 988 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ELSEWHERE S OF 33N BETWEEN
164W AND 177W WINDS 25 TO 35 KT. SEAS 3 TO 5 M.  
.36 HOUR FORECAST LOW 38N163W 974 MB. WITHIN 150 NM E SEMICIRCLE
AND 90 NM SW QUADRANT WINDS 50 TO 65 KT. SEAS 5 TO 8 M. 
.48 HOUR FORECAST LOW 47N160W 968 MB. FROM 45N TO 50N BETWEEN
153W AND 162W WINDS 40 TO 60 KT. SEAS 5 TO 9 M. ELSEWHERE FROM
42N TO 54N BETWEEN 147W AND 166W...AND WITHIN 240 NM E OF A LINE
FROM 42N154W TO 33N158W WINDS 25 TO 40 KT. SEAS 4 TO 6 M.
ELSEWHERE FROM 31N TO 56N BETWEEN 146W AND 168W WINDS TO 25 KT.
SEAS 3 TO 4.5 M. 

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 41N170E 988 MB MOVING E 30 KT. FROM
38N TO 42N BETWEEN 174E AND 166E WINDS 35 TO 50 KT. SEAS 4 TO 6
M. ELSEWHERE W AND SW OF A LINE FROM 30N177E TO 40N177E TO
51N161E WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.  
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 41N173W 985 MB. S
OF 46N BETWEEN W OF 144W...EXCEPT WHERE DESCRIBED ABOVE WITH LOW
32N171W IN HURRICANE FORCE WIND WARNING...WINDS 25 TO 40 KT. SEAS
3.5 TO 6.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITION MERGED WITH
COMPLEX LOW 48N175W DESCRIBED BELOW. 

...STORM WARNING...
.12 HOUR FORECAST NEW LOW 56N150W 991 MB. WITHIN 90 NM N OF A
LINE FROM 58N147W TO 59N150W TO 58N153W WINDS 35 TO 45 KT. SEAS
TO 4 M. 
.18 HOUR FORECAST LOW 58N151W 989 MB. N OF A LINE FROM 57N138W TO
59N149W TO 57N155W WINDS 35 TO 50 KT. SEAS 3.5 TO 5.5 M. 
.24 HOUR FORECAST LOW 59N151W 988 MB. NE OF A LINE FROM 57N137W
TO 59N141W TO 60N148W WINDS 35 TO 50 KT. SEAS 4 TO 6 M. ELSEWHERE
NE OF A LINE FROM 54N136W TO 59N142W TO 60N149W...AND NW OF A
LINE FROM 60N151W TO 57N155W WINDS 25 TO 35 KT. SEAS TO 4 M. 
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED. 

...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 47N169W 967 MB MOVING NE 15 KT AND
SECOND CENTER 48N174W 971 MB MOVING SW 10 KT. WITHIN 480 NM SW
SEMICIRCLE OF FIRST CENTER...AND WITHIN 600 NM NW OF A LINE FROM
58N157W TO 48N177E WINDS 30 TO 40 KT. SEAS  4 TO 8 M. ELSEWHERE S
OF 62N BETWEEN 141W AND A LINE FROM  30N177E TO 40N177E TO
42N170E WINDS 20 TO 30 KT. SEAS 3 TO 8.5 M...HIGHEST NEAR
36N163W. 
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 52N164W 981 MB
AND SECOND CENTER 47N178W 981 MB. FROM 46N TO 53N BETWEEN 144W
AND 172W...AND WITHIN 840 NM W OF A LINE FROM 46N176W TO 66N154W
WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M.  
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 48N175W 981 MB.
WITHIN 360 NM NW OF A LINE FROM 52N177W TO 59N168W...AND FROM 39N
TO 46N BETWEEN 176W AND 178E WINDS 35 TO 45 KT. SEAS 5 TO 8 M.
ELSEWHERE S OF 66N BETWEEN 168W AND 167E WINDS 25 TO 35 KT. SEAS
3 TO 6 M. 

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF
ALASKA. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 55N
BETWEEN 145W AND 156W...AND WITHIN 360 NM NW OF A LINE FROM
53N154W TO 47N177E
.24 HOUR FORECAST DENSE FOG FROM 47N TO 57N BETWEEN 138W AND
145W...AND WITHIN 240 NM NW OF A LINE FROM 59N163W TO 46N180W. 
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM NW OF A LINE FORM
59N164W TO 48N177W.

.FORECASTER POCHE. 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 SUN NOV 30.
24 HOUR FORECAST VALID 0000 UTC MON DEC  1.
48 HOUR FORECAST VALID 0000 UTC TUE DEC  2.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING
THE GULF OF TEHUANTEPEC...NW TO N WINDS 20 TO 25 KT. SEAS LESS 
THAN 2.5 M. 
.24 HOUR FORECAST LITTLE CHANGE. 
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 30N131W TO 30N140W TO 26N140W TO 27N135W TO 30N131W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 29N132W TO 30N134W TO 29N134W TO
26N133W TO 27N131W TO 29N132W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NW SWELL.

.WITHIN 11N138W TO 12N140W TO 08N140W TO 09N139W TO 10N138W TO
11N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.09 HOUR FORECAST WITHIN 17N115W TO 18N116W TO 18N119W TO
16N120W TO 15N119W TO 17N116W TO 17N115W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M. 
.24 HOUR FORECAST WITHIN 20N114W TO 19N117W TO 19N119W TO 
16N119W TO 16N117W TO 18N114W TO 20N114W NE TO E WINDS 20 TO 25 
KT. SEAS 2.5 TO 3.0 M. 
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.30 HOUR FORECAST WITHIN 30N137W TO 30N140W TO 26N140W TO
28N137W TO 30N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN W
TO NW SWELL.
.48 HOUR FORECAST WITHIN 30N131W TO 30N140W TO 15N140W TO
23N133W TO 30N131W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN W TO NW SWELL.

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

CONVECTION VALID AT 0350 UTC SUN NOV 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 07N78W TO 10N108W TO 09N127W. 
THE ITCZ STRETCHES FROM 09N127W TO BEYOND 07N140W. SCATTERED 
MODERATE TO ISOLATED STRONG FROM 07N TO 21N BETWEEN 103W AND 
121W.


.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$