FZPN01 KWBC 180934
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE NOV 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC NOV 18. 
24 HOUR FORECAST VALID 0600 UTC NOV 19.
48 HOUR FORECAST VALID 0600 UTC NOV 20.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER W OF AREA 49N154E 965 MB MOVING NE
25 KT AND SECOND CENTER NW OF AREA 53N161E 972 MB MOVING NE NE 10
KT. WITHIN 240 NM SE OF A FRONT FROM 47N170E TO 40N165E WINDS 35
TO 50 KT. SEAS 5 TO 7.5 M. ELSEWHERE FROM 33N TO 54N W OF 177E
WINDS 25 TO 35 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 53N167E 959 MB
AND NEW SECOND CENTER 56N175E 965 MB. WITHIN 480 NM SE AND 840 NM
SW QUADRANTS OF FIRST CENTER...AND WITHIN 360 NM NE QUADRANT OF
SECOND CENTER WINDS 30 TO 45 KT. SEAS 4 TO 8.5 M...HIGHEST S OF
FIRST CENTER. ELSEWHERE N OF 40N W OF 175E AND N OF 50N W OF 162W
WINDS 20 TO 30 KT. SEAS 3 TO 6 M. 
.30 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 51N168E 959
MB. WITHIN 180 NM S AND SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO
7.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 51N177W 977
MB AND SECOND CENTER NEAR 58N175W 968 MB. WITHIN 300 NM S AND 600
NM SW QUADRANTS OF FIRST CENTER WINDS 40 TO 55 KT. SEAS 7 TO 11
M. ALSO WITHIN 660 NM S SEMICIRCLE OF FIRST CENTER...WITHIN 300
NM W SEMICIRCLE OF SECOND CENTER...AND FROM 36N TO 53N W OF 180W
WINDS 25 TO 40 KT. SEAS 4.5 TO 9 M...EXCEPT SEAS 3.5 TO 5.5 M
WITHIN THE BERING SEA. ELSEWHERE S OF THE ALEUTIAN ISLANDS N OF
33N W OF 170W WINDS TO 25 KT. SEAS 3.5 TO 6.5 M.

...STORM WARNING...
.LOW 46N159W 1000 MB MOVING NE 25 KT. WITHIN 120 NM OF LOW
CENTER...AND BETWEEN 360 NM AND 1140 NM SW QUADRANT WINDS 25 TO
40 KT. SEAS 4 TO 7 M...HIGHEST NEAR 37N171W. ELSEWHERE S OF 43N
BETWEEN 159W AND 172E WINDS TO 25 KT. SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST LOW 51N145W 988 MB. WITHIN 180 NM S AND SW
SEMICIRCLES WINDS 35 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE WITHIN
420 NM NE...840 NM SE...900 NM SW...AND 300 NM NW QUADRANTS WINDS
25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER NEAR 52N137W 982
MB AND SECOND CENTER 57N145W 982 MB. WITHIN 840 NM S QUADRANT OF
FIRST CENTER...AND WITHIN 180 NM N AND E OF A FRONT FROM SECOND
CENTER TO 59N142W TO 47N126W WINDS 25 TO 40 KT. SEAS 5 TO 8.5 M.
ELSEWHERE N OF 33N BETWEEN 127W AND 147W WINDS TO 25 KT. SEAS 3
TO 6 M.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 46N179E 990 MB. WITHIN 300 NM SE OF A
FRONT FROM 47N173W TO 38N170E WINDS 40 TO 55 KT. SEAS 6 TO 9.5 M.
ALSO WITHIN 480 NM SE OF A LINE FROM 50N165W TO 34N160E WINDS 25
TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE S OF 40N W OF 160W...AND S OF
THE ALEUTIAN ISLANDS BETWEEN 160W AND 170E WINDS TO 25 KT. SEAS
3.5 TO 6 M.
.48 HOUR FORECAST LOW 56N161W 958 MB. WITHIN 180 NM NE AND 300 NM
S SEMICIRCLES...AND WITHIN 540 NM SE OF A FRONT FROM 50N156W TO
35N175W WINDS 30 TO 45 KT. SEAS 5 TO 10 M...HIGHEST SE OF
FRONT...EXCEPT SEAS 2.5 TO 5.5 M N OF THE ALEUTIAN ISLANDS. ALSO
FROM 34N TO 60N BETWEEN 144W AND 170W WINDS 20 TO 30 KT. SEAS 3.5
TO 7 M...EXCEPT SEAS TO 4 M WITHIN THE BERING SEA.

...GALE WARNING...
.LOW 57N148W 998 MB MOVING NE 15 KT. WITHIN 300 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE CONDITIONS
DESCRIBED WITH LOW 62N167W BELOW. 
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 62N167W 970 MB MOVING N 10 KT. WITHIN 240 NM NW SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 3.5 TO 5.5 M. ALSO WITHIN THE BERING SEA
BETWEEN 158W AND 171E WINDS 20 TO 30 KT. SEAS 3 TO 5.5 M.
ELSEWHERE WITHIN 900 NM SE AND S QUADRANTS WINDS TO 25 KT. SEAS
2.5 TO 5 M.
.24 HOUR FORECAST LOW AND CONDITIONS N OF AREA.

...GALE WARNING...
.LOW 53N176W 989 MB MOVING SE 15 KT. WITHIN 780 NM SE AND 420 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M...HIGHEST JUST S
OF CENTER. ELSEWHERE WITHIN 720 NM S SEMICIRCLE WINDS TO 25 KT.
SEAS 3.5 TO 5.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 56N175E
ABOVE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF ALASKA. 
.24 HOUR FORECAST LITTLE CHANGE. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE
FROM 58N180W TO 64N165W.

.SYNOPSIS AND FORECAST.

.INLAND LOW 38N122W 1009 MB MOVING S 10 KT. WITHIN 480 NM SW AND
360 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED. S OF 43N BETWEEN 123W AND 129W
AREA OF N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 55N W OF
165W...FROM 37N TO 48N BETWEEN 143W AND 162W...AND AND FROM 40N
TO 53N W OF 176E.
.24 HOUR FORECAST DENSE FOG N OF 51N W OF 160W...FROM 40N TO 54N
BETWEEN 134W AND 154W...AND FROM 43N TO 49N W OF 170E.
.48 HOUR FORECAST DENSE FOG N OF 51N W OF 154W...AND N OF 57N
BETWEEN 135W AND 151W.

.FORECASTER ANDERSON. 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 0600 UTC TUE NOV 18.
24 HOUR FORECAST VALID 0600 UTC WED NOV 19.
48 HOUR FORECAST VALID 0600 UTC THU NOV 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N120W TO 30N134W TO 26N133W TO 26N126W TO 30N120W
WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 30N117W TO 30N132W TO 23N126W TO
23N122W TO 26N117W TO 30N117W NW TO N WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 27N117W TO 29N118W TO 29N123W TO
27N127W TO 24N127W TO 23N121W TO 27N117W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.

.06 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 31N115W TO
30N114W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA... SW TO W
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.06 HOUR FORECAST WITHIN 03S118W TO 02S119W TO 02S120W TO
03.4S120W TO 03.4S118W TO 03S118W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SW TO W SWELL.
.24 HOUR FORECAST WITHIN 03S118W TO 02S119W TO 02S120W TO
03.4S120W TO 03.4S118W TO 03S118W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.30 HOUR FORECAST WITHIN 14N137W TO 15N139W TO 15N140W TO
12N140W TO 13N137W TO 14N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.48 HOUR FORECAST WITHIN 18N123W TO 22N140W TO 08N140W TO
13N131W TO 15N125W TO 18N123W NE TO E WINDS 20 TO 25 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 0910 UTC TUE NOV 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 08N78W TO 11N100W TO 09N115W TO
08N125W. THE ITCZ STRETCHES FROM 08N125W TO 08N140W. SCATTERED 
MODERATE FROM 01N TO 07N E OF 82W...AND FROM 01N TO 11N BETWEEN 
126W AND 140W. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE 
FROM 07N TO 13N BETWEEN 112W AND 126W.

.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.

$$