754
FZPN01 KWBC 171609
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON NOV 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 17.
24 HOUR FORECAST VALID 1200 UTC NOV 18.
48 HOUR FORECAST VALID 1200 UTC NOV 19.

.WARNINGS.

...STORM WARNING...
.LOW 41N170W 1006 MB MOVING NE 30 KT. FROM 30N TO 50N BETWEEN
170W AND 164E WINDS 25 TO 40 KT. SEAS 3 TO 8 M...HIGHEST NEAR
170E.
.24 HOUR FORECAST LOW 48N156W 989 MB. FROM 30N TO 49N BETWEEN
148W AND 176W WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M.
.30 HOUR FORECAST LOW 49N154W 986 MB. WITHIN 120 NM SW
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 4 TO 5.5 M.
.48 HOUR FORECAST LOW 53N144W 980 MB. BETWEEN 240 NM AND 420 NM
S QUADRANT...AND WITHIN 240 NM NE OF A FRONT FROM LOW TO 48N135W
WINDS 40 TO 55 KT. SEAS 4 TO 8.5 M. ELSEWHERE FROM 33N TO 61N
BETWEEN 128W AND 154W...AND FROM 30N TO 33N BETWEEN 145W AND
165W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...STORM WARNING...
.LOW W OF AREA 49N147E 969 MB MOVING E 15 KT. N OF 36N W OF 164E
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.12 HOUR FORECAST LOW W OF AREA 49N151E 964 MB. WITHIN 240 NM SE
AND S OF A FRONT FROM 45N164E TO 40N160E WINDS 40 TO 50 KT. SEAS
4 TO 6.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER W OF AREA
49N157E 967 MB AND NEW SECOND CENTER NW OF AREA 53N164E 973 MB.
WITHIN 240 NM SE AND S OF A FRONT FROM 48N176E TO 42N170E WINDS
40 TO 55 KT. SEAS 5 TO 7.5 M. ELSEWHERE FROM 30N TO 40N BETWEEN
176W AND 170E...AND W OF A LINE FROM 40N175W TO 45N175W TO
50N175E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 55N171E 960 MB.
FROM 40N TO 50N W OF 173E WINDS 40 TO 50 KT. SEAS 5 TO 8.5 M.
ELSEWHERE W AND NW OF A LINE FROM 33N160E TO 58N158W...AND FROM
50N TO 58N BETWEEN 158W AND 165W WINDS 25 TO 40 KT. SEAS 4 TO 8
M...EXCEPT E OF 179E SEAS 2.5 TO 5 M.

...STORM WARNING...
.24 HOUR FORECAST NEW LOW 40N165E 1002 MB. FROM 37N TO 40N
BETWEEN 165E AND 170E WINDS 40 TO 50 KT. SEAS 5 TO 7 M.
ELSEWHERE FROM 30N TO 40N W OF 170E WINDS 25 TO 40 KT. SEAS 2.5
TO 6 M...HIGHEST NEAR 40N170E.
.48 HOUR FORECAST NEW LOW 45N178W 988 MB. WITHIN 360 NM SE
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 6 TO 10 M. ELSEWHERE WITHIN
480 NM SE OF A FRONT FROM 50N160W TO LOW TO 33N163E WINDS 25 TO
40 KT. SEAS 3 TO 7 M...HIGHEST NEAR LOW CENTER.

...GALE WARNING...
.INLAND LOW 40N123W 1002 MB MOVING S 15 KT. FROM 30N TO 50N
BETWEEN 121W AND 134W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 36N123W 1010 MB. FROM 30N TO 43N BETWEEN
121W AND 130W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 30N119W 1014 MB. FROM 30N TO 39N BETWEEN
120W AND 127W WINDS LESS THAN 25 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 59N149W 988 MB MOVING NE 10 KT. FROM 45N TO 60N BETWEEN
142W AND 153W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW MOVED INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 43N153W 1005 MB MOVING NE 15 KT. FROM 35N TO 45N BETWEEN
143W AND 156W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 49N162W 998 MB MOVING NE 30 KT. WITHIN AN AREA BOUNDED BY A
LINE FROM 36N170W TO 50N170W TO 50N153W TO 36N170W WINDS 25 TO
35 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 57N146W 1002 MB. WITHIN 240 NM SE AND S
QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW 60N168W 964 MB MOVING N 10 KT. WITHIN 600 NM SE AND S
QUADRANTS...AND N OF 57N W OF 159W WINDS 25 TO 40 KT. SEAS 3 TO
6 M.
.24 HOUR FORECAST LOW 62N169W 972 MB. NW AND N OF A LINE FROM
54N168W TO 58N158W WINDS 30 TO 45 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 65N167W 983 MB. N OF 63N W OF ALASKA WINDS
25 TO 35 KT. SEAS TO 3.5 M.

...GALE WARNING...
.LOW 54N173E 977 MB MOVING SE 25 KT. FROM 50N TO 55N W OF 175W
WINDS 30 TO 45 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST LOW 52N172W 992 MB. FROM 49N TO 52N BETWEEN
166W AND 177W WINDS 20 TO 30 KT. SEAS 3 TO 6.5 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE
WITH LOW 55N171E.

...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 LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 59N BETWEEN
141W AND 149W...FROM 38N TO 43N BETWEEN 153W AND 158W...AND
WITHIN 240 NM NW AND N OF A LINE FROM 59N164W TO 50N171E.
.24 HOUR FORECAST DENSE FOG FROM 57N TO 59N BETWEEN 140W AND
146W...FROM 46N TO 51N BETWEEN 153W AND 158W...FROM 39N TO 41N
BETWEEN 145W AND 152W...N OF 60N W OF 165W...AND N OF 50N W OF
176E.
.48 HOUR FORECAST DENSE FOG FROM 39N TO 57N BETWEEN 133W AND
148W...FROM 45N TO 52N W OF 165W...AND N OF 52N W OF 159W.

.FORECASTER KELLS. OCEAN PREDICTION CENTER.

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 MON NOV 17.
24 HOUR FORECAST VALID 1200 UTC TUE NOV 18.
48 HOUR FORECAST VALID 1200 UTC WED NOV 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT FROM 30N124W TO 28N130W TO 29N140W. N OF FRONT AND E
OF
135W NW TO N WINDS 20 TO 25 KT. SEAS TO 2.5 TO 3 M IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N116W TO 23N130W TO 24N140W.
N
OF FRONT AND E OF 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
NW
SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 30N115W TO 23N130W.
N OF
FRONT E OF 130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
SWELL.

.GULF OF CALIFORNIA 18 HOUR FORECAST N OF 30N SW WINDS 20 TO 25
KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 1500 UTC MON NOV 17...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N83W TO 12N95W TO A 1011 MB
LOW
PRES NEAR 08N105W TO 08N107W. THE ITCZ STRETCHES FROM 08N107W TO
09N125W AND BEYOND 08N140W. SCATTERED MODERATE TO ISOLATED
STRONG
CONVECTION IS PRESENT FROM 07N TO 10N WEST OF 125W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.