274
FZPN01 KWBC 100411
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED DEC 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

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 DEC 10.
24 HOUR FORECAST VALID 0000 UTC DEC 11.
48 HOUR FORECAST VALID 0000 UTC DEC 12.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 32N162E 1000 MB MOVING NE 25 KT AND RAPIDLY INTENSIFYING.
WITHIN AN AREA BOUNDED BY A LINE FROM 30N172E TO 30N160E TO
44N160W TO 44N166E TO 30N172E WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5
M.
.12 HOUR FORECAST LOW 35N166E 990 MB. FROM 33N TO 38N BETWEEN
166E AND 171E...AND FROM 34N TO 40N BETWEEN 163E AND
166E...WINDS 35 TO 50 KT. SEAS 4 TO 8 M.
.18 HOUR FORECAST LOW 38N167E 982 MB. WITHIN 180 NM W AND SW
QUADRANTS WINDS 50 TO 65 KT. SEAS 6 TO 9 M.
.24 HOUR FORECAST LOW 40N168E 973 MB. WITHIN 120 NM W SEMICIRCLE
AND S QUADRANT WINDS 60 TO 80 KT. SEAS 8 TO 11 M. ELSEWHERE FROM
37N TO 44N BETWEEN 164E AND 174E WINDS 40 TO 60 KT. SEAS 5 TO 10
M. ELSEWHERE FROM 34N TO 46N BETWEEN 160E AND 174E...AND FROM
30N TO 44N BETWEEN 172E AND 179E...WINDS 30 TO 45 KT. SEAS 3 TO
9 M...HIGHEST WITHIN 240 NM OF LOW CENTER. ELSEWHERE FROM 30N TO
48N BETWEEN 160E AND 179E WINDS 20 TO 30 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST LOW 45N169E 981 MB. BETWEEN 60 NM AND 180 NM W
AND SW QUADRANTS WINDS 40 TO 55 KT. SEAS 6 TO 8 M. ELSEWHERE
FROM 40N TO 52N BETWEEN 162E AND 174E...AND WITHIN 360 NM E OF A
FRONT FROM 50N168E TO 43N176E TO 31N179E...WINDS 30 TO 45 KT.
SEAS 3 TO 9 M...HIGHEST NEAR 48N172E AND NEAR 42N168E. ELSEWHERE
N OF 30N BETWEEN 161E AND 177W WINDS 20 TO 30 KT. SEAS 3 TO 8 M.

...GALE WARNING...
.COMPLEX LOW WITH PRIMARY CENTER 43N164E 1006 MB MOVING NE 40 KT
AND SECONDARY CENTER 37N161E 1004 MB MOVING NE 40 THEN QUICKLY
DISSIPATING. WITHIN 120 NM W OF A FRONT FROM PRIMARY LOW CENTER
TO SECONDARY LOW CENTER WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW N OF AREA 61N171E 1001 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 48N171E TO 55N170E TO 61N177W TO 59N177W
TO 48N171E WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M. ELSEWHERE FROM
46N TO 51N BETWEEN 168E AND 174E WINDS 20 TO 30 KT. SEAS 3 TO 5
M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL N OF
AREA.

...GALE WARNING...
.LOW 52N136W 994 MB MOVING NE 15 KT. BETWEEN A FRONT FROM LOW
CENTER TO 48N129W AND THE BRITISH COLUMBIA COAST WINDS 25 TO 40
KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW INLAND 55N127W 995 MB. FROM 43N TO 52N E
OF 136W WINDS 20 TO 30 KT. SEAS TO 4.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 56N139W 992 MB MOVING E 20 KT. FROM 55N TO 59N E OF 143W
WINDS 30 TO 45 KT. SEAS TO 5 M. ELSEWHERE FROM 56N TO 59N
BETWEEN 147W AND 143W WINDS 20 TO 30 KT. SEAS TO 4.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
55N127W DESCRIBED IN GALE WARNING ABOVE.

...GALE WARNING...
.LOW 47N155W 991 MB MOVING SE 10 KT. WITHIN 180 NM NW OF A FRONT
FROM 46N158W TO 49N156W TO 50N154W WINDS 30 TO 40 KT. SEAS 4 TO
5.5 M. ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 31N150W
TO 31N170W TO 48N170W TO 54N155W TO 45N129W TO 31N150W WINDS 20
TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 45N150W 1010 MB. WITHIN 120 NM EITHER SIDE
OF A LINE FROM 39N168W TO 45N153W WINDS 20 TO 30 KT. SEAS TO 4.5
M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 42N147W DESCRIBED
IN GALE WARNING BELOW.

...GALE WARNING...
.12 HOUR FORECAST BETWEEN A LINE FROM 54N159W TO 58N150W AND THE
ALASKA COAST AREA OF NW WINDS 25 TO 35 KT. SEAS LESS THAN 4 M.
.24 HOUR FORECAST BETWEEN A LINE FROM 52N163W TO 55N154W TO
58N149W AND THE ALASKA COAST...AND IN THE BERING SEA FROM 56N TO
59N BETWEEN 164W AND 160W...WINDS 30 TO 45 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.30 HOUR FORECAST LOW 35N151W 1001 MB. FROM 30N TO 38N BETWEEN
154W AND 150W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 42N147W 989 MB. FROM 33N TO 49N BETWEEN
150W AND 140W...FROM 40N TO 49N BETWEEN 155W AND 150W...AND
WITHIN 120 NM EITHER SIDE OF A LINE FROM 47N162W TO
52N154W...WINDS 30 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 41N
TO 52N BETWEEN 166W AND 154W WINDS 20 TO 30 KT. SEAS TO 4.5 M.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 39N BETWEEN 178W AND 170W AREA OF N WINDS TO 25 KT.
SEAS TO 4.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.N OF 48N W OF 166E AREA OF S WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST CONDITIONS MOVED N OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 49N
BETWEEN 162E AND 170E.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 40N167E TO 48N168E TO 55N172E.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 50N166E TO 55N172E...AND WITHIN 60 NM EITHER SIDE OF A LINE
FROM 43N169E TO 47N165E.

.LIGHT TO MODERATE FREEZING SPRAY BETWEEN A LINE FROM 60N148W TO
58N139W TO 56N136W AND THE ALASKA COAST...AND NE OF A LINE FROM
62N175W TO 59N169W TO 57N160W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY BETWEEN A
LINE FROM 60N148W TO 59N141W TO 56N135W AND THE ALASKA
COAST...AND NE OF A LINE FROM 62N175W TO 58N167W TO 56N154W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY BETWEEN A
LINE FROM 60N148W AND 58N139W TO 55N134W AND THE ALASKA COAST.

.FORECASTER CONNELLY. 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 0000 UTC WED DEC 10.
24 HOUR FORECAST VALID 0000 UTC THU DEC 11.
48 HOUR FORECAST VALID 0000 UTC FRI DEC 12.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30
TO 40 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W TO 15N96W
TO 13N100W TO 11N101W TO 10N98W TO 12N95W TO 16N94W NE TO E WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST LITTLE CHANGE...EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.

.SYNOPSIS AND FORECAST.

.WITHIN 16N117W TO 16N131W TO 20N140W TO 08N140W TO 07N136W TO
14N132W TO 16N117W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

.24 HOUR FORECAST WITHIN 25N139W TO 30N138W TO 30N140W TO
20N140W TO 21N139W TO 25N139W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 27N134W TO 30N129W TO 30N140W TO
15N140W TO 16N139W TO 24N136W TO 27N134W WINDS 20 KT OR LESS.
SEAS TO 2.5 M IN NW SWELL.

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

CONVECTION VALID AT 0000 UTC WED DEC 10...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08.5N83W TO 09N100W TO 1010 MB LOW PRESSURE
NEAR 11N118W TO 10N130W. ITCZ FROM 10N130W TO BEYOND 08N140W.
SCATTERED MODERATE FROM 10N TO 14N BETWEEN 98W AND 104W...FROM
07.5N TO 21N BETWEEN 106W AND 115.5W...FROM 07N TO 14N BETWEEN
115.5W AND 122W...AND FROM 05N TO 11N BETWEEN 122W AND 140W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.