258
FZPN01 KWBC 071010
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN DEC 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 07.
24 HOUR FORECAST VALID 0600 UTC DEC 08.
48 HOUR FORECAST VALID 0600 UTC DEC 09.

.WARNINGS.

...STORM WARNING...
.LOW 47N173E 980 MB MOVING SE 20 KT. FROM 43N TO 47N BETWEEN
168E AND 178E WINDS 35 TO 50 KT. SEAS 5.5 TO 8.5 M. ELSEWHERE
FROM 38N TO 47N BETWEEN 165E AND 180W...ALSO WITHIN 360 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE FROM
37N TO 52N BETWEEN 162E AND 180W WINDS 20 TO 30 KT. SEAS 3 TO
4.5 M
.24 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 46N173W.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER NEAR 56N147W 974 MB MOVING SW 10
KT. BETWEEN 120 NM AND 300 NM NW QUADRANT...ALSO FROM 56N TO 60N
BETWEEN 162W AND 166W WINDS 35 TO 50 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 780 NM OF CENTER WINDS 25 TO 40 KT. SEAS 3 TO 6
M.
.24 HOUR FORECAST LOW 55N152W 983 MB. FROM 55N TO 60N BETWEEN
152W AND 157W...ALSO WITHIN 360 NM W AND NW OF A LINE FROM
60N162W TO 52N173W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...STORM WARNING...
.LOW 47N176W 981 MB MOVING E 5 KT. FROM 41N TO 46N BETWEEN 172W
AND 180W WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN AN
AREA BOUNDED BY
51N180W...37N180W...36N168W...44N162W...51N172W...51N180W WINDS
25 TO 40 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST LOW 47N173W 980 MB. FROM 36N TO 52N BETWEEN
163W AND 171E WINDS 30 TO 45 KT. SEAS 4 TO 8.5 M.
.48 HOUR FORECAST LOW 47N160W 985 MB. WITHIN AN AREA BOUNDED BY
52N160W...44N152W...33N175W...34N178E...46N177E...52N167W...52N16
0W WINDS 25 TO 40 KT. SEAS 3 TO 7 M.

...STORM WARNING...
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 50N153W 981
MB. WITHIN 900 NM E...840 NM SE AND 480 NM SW QUADRANTS WINDS 25
TO 40 KT. SEAS 3 TO 6 M.
.36 HOUR FORECAST LOW 54N137W 972 MB. WITHIN 180 NM SE OF A LINE
FROM 54N137W TO 51N144W...ALSO FROM 50N TO 55N E OF 132W WINDS
35 TO 50 KT. SEAS 4 TO 7.5 M.
.48 HOUR FORECAST LOW INLAND. FROM 50N TO 55N E OF 138W WINDS 25
TO 35 KT. SEAS 4 TO 7 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 57N139W 988 MB. WITHIN 120 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

...GALE WARNING...
.48 HOUR FORECAST N OF 45N W OF 166E WINDS 25 TO 35 KT. SEAS TO
4 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 57N157W TO
57N162W TO 59N168W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N
OF A LINE FROM 60N145W TO 59N152W TO 54N155W TO 58N1770W TO
61N177W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 57N
BETWEEN 157W AND 159W...ALSO N OF 58N BETWEEN 162W AND 170W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
60N143W TO 59N151W TO 55N160W TO 57N171W TO 60N179W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 56N134W TO 60N148W TO 56N160W TO 60N178W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 48N
BETWEEN 177W AND 180W.
.24 HOUR FORECAST CONDITIONS IMPROVED.

.FORECASTER SHAW. 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 0600 UTC SUN DEC 7.
24 HOUR FORECAST VALID 0600 UTC MON DEC 8.
48 HOUR FORECAST VALID 0600 UTC TUE DEC 9.

.WARNINGS.

...GALE WARNING...
.30 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 16N94W
...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N WINDS 20 TO 35 KT. SEAS 2.5 TO 3.0 M AND BUILDING.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 16N94W TO 16N96W TO
14N97W TO 13N97W TO 13N95W TO 14N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.

.SYNOPSIS AND FORECAST.

.WITHIN 21N133W TO 23N133W TO 26N140W TO 05N140W TO 18N137W TO
21N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED NE AND
NW SWELL.
.24 HOUR FORECAST WITHIN 18N132W TO 21N140W TO 19N140W TO
15N135W TO 15N131W TO 17N130W TO 18N132W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL. WITHIN 10N130W TO 12N140W TO
09N140W TO 09N131W TO 10N130W WINDS 20 KT OR LESS. SEAS TO 2.5 M
IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 19N123W TO 17N132W TO 20N140W TO
09N136W TO 09N130W TO 14N131W TO 19N123W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN MIXED SWELL.

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

CONVECTION VALID AT 0700 UTC SUN DEC 7...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N84W TO 07N93W TO 11N111W TO 08N123.5W.
ITCZ FROM 08N123.5W TO BEYOND 07.5N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 08N TO 14N BETWEEN 111W AND 120W. SCATTERED
MODERATE FROM 09.5N TO 12N BETWEEN 105W AND 109W...FROM 09N TO
11N BETWEEN 126W AND 128.5W...AND FROM 06N TO 09N BETWEEN 135W
AND 140W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.