615
FZPN01 KWBC 091010
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 09.
24 HOUR FORECAST VALID 0600 UTC DEC 10.
48 HOUR FORECAST VALID 0600 UTC DEC 11.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.12 HOUR FORECAST LOW 30N162E 1000 MB. WITHIN 180 NM NE
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 3.5 TO 5 M...HIGHEST NEAR
30N165E.
.24 HOUR FORECAST LOW 32N164E 998 MB AND RAPIDLY INTENSIFYING.
WITHIN 420 NM NE SEMICIRCLE WINDS 35 TO 50 KT. SEAS 4 TO 6
M...HIGHEST NEAR 33N166E. ELSEWHERE FROM 30N TO 40N W OF 174E
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.36 HOUR FORECAST LOW 37N168E 975 MB. WITHIN 240 NM E AND SE
QUADRANTS AND 180 NM W SEMICIRCLE WINDS 50 TO 65 KT. SEAS 5.5 TO
9 M...HIGHEST NEAR 37N169E.
.48 HOUR FORECAST LOW 41N169E 968 MB. WITHIN 150 NM S...210 NM
SW...240 NM W AND 270 NM NW QUADRANTS WINDS 50 TO 70 KT. SEAS 7.5
TO 12 M...HIGHEST NEAR 40N169E. ELSEWHERE WITHIN 540 NM
NE...SE...420 NM SW AND 360 NM NW QUADRANTS WINDS 35 TO 50 KT.
SEAS 5 TO 8.5 M. ALSO FROM 30N TO 48N W OF 180W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 57N144W 989 MB MOVING SE 15 KT AND
SECOND CENTER 55N146W 990 MB MOVING E 15 KT. BETWEEN 240 NM AND
780 NM SE AND S QUADRANTS OF MAIN CENTER WINDS 25 TO 35 KT. SEAS
3.5 TO 7 M...HIGHEST NEAR 54N131W. ELSEWHERE N OF 55N E OF 150W
WINDS TO 25 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 55N.
.24 HOUR FORECAST COMBINED LOW 55N135W 988 MB. E OF A LINE FROM
50N135W TO 56N137W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 53N131W 1008 MB AND CONDITIONS DIMINISHED.

...GALE WARNING...
.WITHIN 240 NM S OF A LINE FROM 46N124W TO 43N140W TO 40N150W
AREA OF SW WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M.
.24 HOUR FORECAST FROM 42N TO 50N E OF 135W AND WITHIN 360 NM S
OF A LINE FROM 45N135W TO 36N150W AREA OF SW WINDS 25 TO 35 KT.
SEAS 3 TO 5 M.
.48 HOUR FORECAST NEW LOW 34N152W 1001 MB. WITHIN 780 NM NE...480
NM E...SE...540 NM SW AND 180 NM NW QUADRANTS WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M...HIGHEST NEAR 34N156W.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N160W 981 MB MOVING E 10 KT.
WITHIN 300 NM SE...S...240 NM SW AND NW QUADRANTS WINDS 35 TO 45
KT. SEAS 4.5 TO 7 M. ELSEWHERE WITHIN 840 NM NE...420 NM E...900
NM SE...660 NM S...1200 NM SW AND 600 NM NW QUADRANTS WINDS 25 TO
35 KT. SEAS 3 TO 5.5 M...HIGHEST SW QUADRANT.
.24 HOUR FORECAST LOW 47N154W 996 MB. WITHIN 300 NM S...420 NM SW
AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3.5 TO 6 M.
ELSEWHERE WITHIN 600 NM NE...540 NM E...360 NM SE...780 NM SW AND
660 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 47N147W 1010 MB. WITHIN 540 NM NW AND N OF
A LINE FROM 52N152W TO 49N168W WINDS 25 TO 35 KT. SEAS 2.5 TO 4
M...EXCEPT TO 3 M N OF THE ALEUTIAN ISLANDS. ELSEWHERE WITHIN
1260 NM SW QUADRANT WINDS TO 25 KT. SEAS 2.5 TO 4 M.

...GALE WARNING...
.LOW W OF AREA 49N156E 990 MB MOVING N 25 KT. N OF 40N W OF 170E
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.06 HOUR FORECAST LOW W OF THE AREA 52N157E 991 MB. WITHIN 180 NM
N AND NW OF A LINE FROM 48N160E TO 51N170E WINDS 25 TO 40 KT.
SEAS 3 TO 6 M...HIGHEST NEAR 50N160E.
.24 HOUR FORECAST LOW WELL NW OF THE AREA WITH NEW LOW TO FORM
NEAR 45N166E 1003 MB. WITHIN 420 NM NE...120 NM E AND 360 NM S
QUADRANTS WINDS 35 TO 45 KT. SEAS 3.5 TO 6 M...HIGHEST NEAR
41N165E. ELSEWHERE FROM 40N TO 50N BETWEEN 176E AND 162E AND N OF
50N BETWEEN 177E AND 169E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW WELL NW OF THE AREA. WITHIN 180 NM NW AND N
OF A LINE FROM 56N178W TO 60N172W AREA OF S WINDS 30 TO 40 KT.
SEAS 3 TO 5 M. ELSEWHERE N OF 48N W OF 174W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.48 HOUR FORECAST WITHIN 90 NM W OF A LINE FROM 57N151W TO
59N151W AREA OF N WINDS 25 TO 35 KT. SEAS 25 TO 35 KT. SEAS TO 4
M.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY NE OF A LINE FROM 60N178W TO
57N170W TO 56N161W...AND N AND NE OF A LINE FROM 59N151W TO
58N139W TO 56N134W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN 90 NM
NE OF A LINE FROM 58N16W TO 58N164W. ELSEWHERE  LIGHT TO MODERATE
FREEZING SPRAY NE OF A LINE FROM 62N174W TO 56N162W TO
54N155W...AND N OF A LINE FROM 60N147W TO 53N139W TO 55N134W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 56N TO 60N
BETWEEN 141W AND 144W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 57N E OF 140W AND WITHIN
300 NM W OF A LINE FROM 43N170E TO 54N171E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM W AND NW OF A LINE FROM
39N169E TO 51N172E TO 57N175E.

.FORECASTER FUTTERMAN. 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 DEC 9.
24 HOUR FORECAST VALID 0600 UTC WED DEC 10.
48 HOUR FORECAST VALID 0600 UTC THU DEC 11.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO
40 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN 16N94W TO 16N95W TO
16N96W TO 13N97W TO 12N96W TO 13N94W TO 16N94W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N98W TO 13N98W TO
13N96W TO 14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC
...N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 14N94W TO 15N94W TO 13N98W TO 13N100W TO 11N101W TO 11N97W
TO 14N94W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.

.SYNOPSIS AND FORECAST.

.WITHIN 17N133W TO 20N140W TO 09N140W TO 08N132W TO 13N132W TO
14N119W TO 17N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 27N111W TO 29N112W TO 28N113W TO 27N112W TO 26N111W TO
27N111W...INCLUDING THE GULF OF CALIFORNIA...NW WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.30 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 10N88W 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 LITTLE CHANGE.

.42 HOUR FORECAST WITHIN 30N139W TO 30N140W TO 25N140W TO
26N139W TO 30N139W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.48 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 20N140W TO
21N138W TO 26N137W TO 30N136W 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 0700 UTC TUE DEC 9...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM ALONG PANAMA AND COSTA RICA TO 09N83.5W TO
08.5N95W. ITCZ FROM 08.5N95W TO 12N115W WHERE ANOTHER MONSOON
TROUGH SEGMENT CONTINUES TO 10N123.5W. ANOTHER ITCZ SEGMENT
EXTENDS FROM THERE TO BEYOND 07.5N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 10N TO 18N BETWEEN 109W AND 118...AND FROM
09N TO 12N BETWEEN 118.5W AND 125.5W.


.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

$$