251
FZPN01 KWBC 091534
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE DEC 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 DEC 09.
24 HOUR FORECAST VALID 1200 UTC DEC 10.
48 HOUR FORECAST VALID 1200 UTC DEC 11.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW S OF AREA 27N160E 1007 MB MOVING NE 20 KT. WITHIN 360 NM NE
QUADRANT AREA OF SE WINDS 25 TO 35 KT. SEAS TO 4 M.
.18 HOUR FORECAST LOW 34N164E 1002 MB AND RAPIDLY INTENSIFYING.
WITHIN 360 NM SE QUADRANT AREA OF SE WINDS 40 TO 50 KT. SEAS 4
TO 7 M.
.24 HOUR FORECAST LOW 35N166E 990 MB. WITHIN 180 NM NW...240 NM
NE...300 NM SE...AND 120 NM SW QUADRANTS WINDS 40 TO 60 KT. SEAS
5 TO 8 M. ELSEWHERE W OF A LINE FROM 40N171E TO 30N177E WINDS 25
TO 40 KT. SEAS 3 TO 6 M.
.30 HOUR FORECAST LOW 37N168E 972 MB. FROM 33N TO 41N BETWEEN
172E AND 165E WINDS 50 TO 75 KT. SEAS 7 TO 11 M.
.48 HOUR FORECAST LOW 43N170E 970 MB. FROM 40N TO 46N BETWEEN
176E AND 165E WINDS 50 TO 75 KT. SEAS 7 TO 12 M. ALSO FROM 38N
TO 49N BETWEEN 179E AND 163E WINDS 40 TO 50 KT. SEAS 6 TO 10 M.
ELSEWHERE S OF 50N W OF 180W WINDS 25 TO 40 KT. SEAS 4 TO 7 M.

...STORM WARNING...
.12 HOUR FORECAST NEW LOW 53N136W 994 MB. WITHIN 420 NM SE
QUADRANT AREA OF SE WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.18 HOUR FORECAST LOW 55N134W 990 MB. WITHIN 60 NM E OF A LINE
FROM 50N129W TO 55N133W AREA OF SE WINDS 35 TO 50 KT. SEAS 3 TO
6 M.
.24 HOUR FORECAST LOW MOVED INLAND 54N128W 999 MB. CONDITIONS
DESCRIBED WITH LOW 55N139W BELOW.

...GALE WARNING...
.LOW W OF AREA 51N158E 991 MB MOVING N 25 KT. WITHIN 420 NM E
AND 300 NM SE QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW MOVED WELL NW OF AREA. CONDITIONS
DESCRIBED WITH LOW 51N159E BELOW.

...GALE WARNING...
.LOW 58N144W 995 MB MOVING W 10 KT AND WILL TURN SW AND THEN S
AFTER 12 HOURS. N OF A LINE FROM 58N149W TO 56N135W AREA OF NE
TO E WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED WITH LOWS
55N139W AND 59N150W BELOW.

...GALE WARNING...
.LOW 48N158W 983 MB MOVING SE 10 KT. FROM 43N TO 51N BETWEEN
153W AND 166W WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN
540 NM NW AND SE...960 NM NE...AND 1260 NM SW QUADRANTS WINDS 20
TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 46N153W 1002 MB. WITHIN 180 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 4 TO 6 M. ELSEWHERE WITHIN
1200 NM SW...480 NM NW...600 NM NE...AND 240 NM SE QUADRANTS
WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED. S OF 42N BETWEEN 156W AND 170W
AREA OF N WINDS TO 25 KT. SEAS 3 TO 5 M IN NW TO N SWELL.

...GALE WARNING...
.LOW 35N159W 1011 MB MOVING NE 40 KT. EXCEPT AS DESCRIBED WITH
LOW 48N158W ABOVE...WITHIN 1200 NM NE QUADRANT AREA OF S TO SW
WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.06 HOUR FORECAST LOW 38N153W 1011 MB WITH NEW SECOND LOW
43N144W 1005 MB. WITHIN 360 NM E AND 240 NM SE QUADRANTS OF
SECOND LOW AREA OF SW WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST FIRST LOW 45N138W 1010 MB WITH SECOND LOW
DISSIPATED. WITHIN 300 NM SE OF A LINE FROM 48N127W TO LOW TO
35N150W AREA OF S TO SW WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW MOVED INLAND. CONDITIONS DESCRIBED WITH
LOW 36N150W BELOW.

...GALE WARNING...
.12 HOUR FORECAST LOW 54N140W 994 MB. WITHIN 240 NM NE QUADRANT
AREA OF NE TO E WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW 55N139W 994 MB. WITHIN 180 NM NW AND
NE...360 NM SE...AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS
3 TO 5 M.
.36 HOUR FORECAST LOW 54N132W 998 MB. FROM 50N TO 52N E OF 135W
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND. FROM 42N TO 52N E OF
140W WINDS LESS THAN 25 KT. SEAS TO 4 M IN W TO NW SWELL.

...GALE WARNING...
.12 HOUR FORECAST LOW 40N162E 1002 MB. FROM 38N TO 44N W OF 168E
WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW 45N167E 1004 MB. WITHIN AN AREA BOUNDED BY
A LINE FROM 40N161E TO 55N170E TO 59N179E TO 40N176E TO 40N161E
WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW MOVED WELL NW OF AREA. NW OF A LINE FROM
59N179W TO 65N169W AREA OF SW WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
ELSEWHERE FROM 54N TO 62N BETWEEN 169W AND 175E AREA OF S TO SW
WINDS 20 TO 30 KT. SEAS TO 4 M.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 59N150W 1002 MB. BETWEEN THE ALEUTIAN
ISLANDS AND A LINE FROM 51N168W TO 58N149W AREA OF NW WINDS 25
TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED. BETWEEN THE ALEUTIAN ISLANDS
AND A LINE FROM 51N165W TO 56N150W AREA OF N WINDS 25 TO 40 KT.
SEAS 3 TO 5 M. ELSEWHERE FROM 45N TO 51N BETWEEN 153W AND 167W
AREA OF N WINDS 20 TO 30 KT. SEAS TO 4 M.

...GALE WARNING...
.24 HOUR FORECAST LOW JUST NW OF AREA 51N159E 1002 MB. WITHIN
120 NM SE QUADRANT AREA OF SW WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED NW OF AREA.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 30N157W 1009 MB. EXCEPT AS DESCRIBED
WITH LOW 45N138W ABOVE...WITHIN 420 NM NE QUADRANT WINDS 20 TO
30 KT. SEAS TO 4 M.
.42 HOUR FORECAST LOW 34N151W 1003 MB. S OF 38N BETWEEN 145W AND
154W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 36N150W 1000 MB. WITHIN 600 NM NE...540 NM
SE...300 NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 5 M.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 60N179W TO
56N161W...AND NE OF A LINE FROM 60N150W TO 55N133W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN 90 NM
OF 59N163W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NE OF A
LINE FROM 61N178W TO 56N161W...AND NE OF A LINE FROM 59N152W TO
59N145W TO 55N133W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE
FROM 62N171W TO 57N166W TO 56N161W...AND N AND NE OF A LINE FROM
56N160W TO 55N156W TO 59N147W TO 55N132W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF
49N165E...FROM 41N TO 45N BETWEEN 137W AND 147W...AND FROM 57N
TO 60N BETWEEN 139W AND 147W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 55N BETWEEN 170E AND
165E...WITHIN 90 NM EITHER SIDE OF A LINE FROM 55N143W TO
57N135W...AND NE OF A LINE FROM 49N131W TO 44N127W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 57N174E TO 45N167E TO 40N170E.

.FORECASTER FIGURSKEY. 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 TUE DEC 9.
24 HOUR FORECAST VALID 1200 UTC WED DEC 10.
48 HOUR FORECAST VALID 1200 UTC THU DEC 11.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 15N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 35
KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 14N94W TO 16N94W TO
16N96W TO 13N98W TO 11N98W TO 11N96W TO 14N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N98W TO 13N98W TO
13N96W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 14N95W TO 15N95W TO 15N96W TO 13N101W TO 11N100W
TO 11N97W TO 14N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N97W TO 13N99W TO
13N98W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
ELSEWHWERE WITHIN 15N95W TO 12N102W TO 11N101W TO 11N99W TO
12N97W TO 13N96W TO 15N95W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 30 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 28N111W TO 28N112W TO 27N112W TO 25N111W TO 25N110W TO
26N110W TO 28N111W...INCLUDING THE GULF OF CALIFORNIA... NW TO N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 16N126W TO 19N129W TO 19N140W TO 07N140W TO 07N133W TO
11N127W TO 16N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.24 HOUR FORECAST WITHIN 21N137W TO 21N140W TO 14N140W TO
15N135W TO 16N135W TO 21N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN E SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.24 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N87W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W 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.

.36 HOUR FORECAST WITHIN 30N139W TO 30N140W TO 28N140W TO
29.5N139W TO 30N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W
TO NW SWELL.
.48 HOUR FORECAST WITHIN 28N138W TO 30N138W TO 30N140W TO
23N140W TO 25N139W TO 27N139W TO 28N138W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.

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

CONVECTION VALID AT 1430 UTC TUE DEC 9...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N84W TO 06N101W TO 12N114W TO 09N130W.
ITCZ FROM 09N130W TO 07N140W. SCATTERED MODERATE ISOLATED STRONG
FROM 10N TO 18N BETWEEN 110W AND 123W. SCATTERED MODERATE FROM
06N TO 10N BETWEEN 130W AND 140W.

$$

.FORECASTER AL. NATIONAL HURRICANE CENTER.