North Pacific High Seas Forecast

FZPN01 KWBC 252214
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC NOV 25. 
24 HOUR FORECAST VALID 1800 UTC NOV 26.
48 HOUR FORECAST VALID 1800 UTC NOV 27.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST LOW 40N165E 987 MB AND RAPIDLY INTENSIFYING. S
OF 43N W OF 175E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.30 HOUR FORECAST LOW 40N166E 978 MB. WITHIN 120 NM NW AND 240 NM
W QUADRANTS WINDS 35 TO 50 KT.  SEAS 4 TO 7 M. 
.36 HOUR FORECAST LOW 40N170E 970 MB. WITHIN 240 NM W QUADRANT
WINDS 50 TO 65 KT. SEAS 5 TO 9 M.  
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 41N177E 960 MB.
BETWEEN 120 NM AND 300 NM SW QUADRANT WINDS 50 TO 65 KT. SEAS 6
TO 12 M. ELSEWHERE WITHIN 540 NM S AND SW...360 NM NW...AND
BETWEEN 120 NM AND 420 NM N AND NE QUADRANTS WINDS 35 TO 50 KT.
SEAS 5 TO 10 M...EXCEPT NE QUADRANT SEAS 4 TO 8 M. ALSO WITHIN
600 NM N AND 780 NM S SEMICIRCLES WINDS 25 TO 40 KT. SEAS 3 TO 6
M.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 37N170E 997 MB MOVING E 30 KT. W OF
A LINE FROM 44N164E TO 36N177E TO 30N177E WINDS 25 TO 40 KT. SEAS
3 TO 5 M. 
.24 HOUR FORECAST LOW 36N171W 986 MB. WITHIN 90 NM SW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE S OF 38N BETWEEN 162W
AND 177W WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 39N153W 993 MB. S OF 44N BETWEEN 143W AND
159W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...STORM WARNING...
.12 HOUR FORECAST LOW 39N143W 1005 MB. WITHIN 240 NM NE AND 300
NM SE AND S QUADRANTS WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 44N138W 1001 MB. WITHIN 240 NM NE AND 360
NM SE AND S QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6  M. 
.30 HOUR FORECAST LOW 45N136W 1000 MB. WITHIN 90 NM W QUADRANT
WINDS 40 TO 50 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 46N128W 1001 MB. WITHIN 240 NM OF LOW
CENTER WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 420 NM
OF LOW CENTER WINDS 20 TO 30 KT. SEAS TO 4 M.

...GALE WARNING... 
.LOW 53N140W 997 MB MOVING NE 25 KT. WITHIN 180 NM N...660 NM
E...AND 360 NM S QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 55N168W 983 MB MOVING SW 10 KT. WITHIN 360 NM N SEMICIRCLE
WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 51N172W 990 MB. N OF 57N W OF ALASKA AND
WITHIN 300 NM SW QUADRANT WINDS TO 25 KT. SEAS TO 4 M. 
.48 HOUR FORECAST LOW 51N161W 993 MB. WITHIN 120 NM S QUADRANT
WINDS TO 25 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 47N176W 988 MB MOVING E 25 KT. WITHIN 660 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN 600 NM NW
QUADRANT WINDS TO 25 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 49N163W 991 MB. WITHIN 720 NM SE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 55N158W 999 MB. N OF 50N BETWEEN 140W AND
152W WINDS 25 TO 35 KT. SEAS 3 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 60N166W TO
63N174W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 59N165W TO 63N173W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 60N W OF ALASKA. 
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 56N
BETWEEN 152W AND 172E.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 60N BETWEEN 145W AND
165W. 
.48 HOUR FORECAST DENSE FOG FROM 56N TO 60N BETWEEN 145W AND
155W...N OF 60N W OF ALASKA...AND FROM 35N TO 45N BETWEEN 171W
AND 170E.

.FORECASTER KREKELER. 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 1800 UTC TUE NOV 25.
24 HOUR FORECAST VALID 1800 UTC WED NOV 26.
48 HOUR FORECAST VALID 1800 UTC THU NOV 27.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N94W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 13N97W 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.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 35 KT. SEAS 2.5 M. ELSEWHERE WITHIN 15N94W TO 15N96W TO 
13N98W TO 12N98W TO 12N95W TO 13N95W TO 15N94W N TO NE WINDS 20 
TO 30 KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 30N117W TO 20N140W TO 07N140W TO 04N132W TO 10N109W TO
30N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 12N111W TO 13N126W TO 17N140W TO 
10N140W TO 07N131W TO 07N122W TO 12N111W NE TO E WINDS 20 TO 25 
KT. SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST WITHIN 11N130W TO 12N131W TO 11N135W TO 
09N136W TO 08N132W TO 08N130W TO 11N130W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN NE TO E SWELL.

.18 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC TUE NOV 25...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 06N77W TO 09N87W TO 08N115W. ITCZ FROM 
08N115W TO BEYOND 09N140W. SCATTERED MODERATE FROM 07N TO 09N 
BETWEEN 110W AND 130W.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$