036
FZPN01 KWBC 020934
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE DEC 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 02.
24 HOUR FORECAST VALID 0600 UTC DEC 03.
48 HOUR FORECAST VALID 0600 UTC DEC 04.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 52N160W 960 MB MOVING NW 10 KT
THROUGH 12 HOURS THEN TURNING SW. BETWEEN 60 NM AND 180 NM
N...90 NM AND 360 NM NE...60 NM AND 180 NM SE AND WITHIN 120 NM
S QUADRANTS WINDS 50 TO 65 KT. SEAS 6 TO 9 M. ELSEWHERE WITHIN
360 NM NE...720 NM SE...360 NM SW AND 300 NM NW QUADRANTS WINDS
35 TO 50 KT. SEAS 4 TO 6.5 M. ALSO WITHIN 600 NM NE...900 NM SE
QUADRANTS AND FROM 30N TO 65N BETWEEN 163W AND 170W WINDS 25 TO
40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST MAIN LOW 52N170W 973 MB WITH SECOND NEW LOW TO
FORM NEAR 51N168W 976 MB. BETWEEN 90 NM AND 480 NM W...120 NM
AND 420 NM NW AND 180 NM AND 660 NM N QUADRANTS OF MAIN LOW
WINDS 40 TO 55 KT. SEAS 6 TO 10 M...HIGHEST NEAR NEAR 54N176W.
ELSEWHERE WITHIN 420 NM SW AND W OF A LINE FROM 40N172W TO
48N174W WINDS 35 TO 45 KT. SEAS 6.5 TO 9 M...HIGHEST NEAR
42N178W. ALSO WITHIN 780 NM N QUADRANT OF MAIN LOW AND WITHIN
660 NM NE...SE...1320 NM SW...720 NM W AND 600 NM NW QUADRANTS
OF SECOND LOW WINDS 25 TO 40 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST COMBINED LOW 52N165W 993 MB. WITHIN 360 NM W
AND NW OF A LINE FROM 51N170W TO 60N167W WINDS 35 TO 45 KT. SEAS
4.5 TO 7 M...HIGHEST NEAR 54N175W. ELSEWHERE WITHIN 180 NM
NE...SE...1320 NM SW...BETWEEN 120 NM AND 600 NM W AND WITHIN
660 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.

...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N171W 964 MB MOVING NE 05 KT.
BETWEEN 180 AND 600 NM NW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 4.5
TO 8 M. ELSEWHERE BETWEEN 120 NM AND 1140 NM S...120 NM AND 1200
NM SW...WITHIN 780 NM W AND 660 NM NW QUADRANTS WINDS 35 TO 45
KT. SEAS 4 TO 7 M. ALSO FROM 30N TO 55N BETWEEN 170W AND 168E
WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N171W 970 MB.
WITHIN 180 NM W AND NW OF A LINE FROM 52N177W TO 54N174W AND
WITHIN 180 NM NW AND N OF LINE FROM 54N174W TO 56N171W WINDS 40
TO 55 KT. SEAS 5 TO 9 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 52N170W
ABOVE.

...STORM WARNING...
.24 HOUR FORECAST LOW W OF THE AREA 53N148W 992 MB. N OF 40N W
OF 167E WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR
49N162E. ELSEWHERE FROM 30N TO 40N W OF 167E WINDS 20 TO 30 KT.
SEAS TO 3 M.
.42 HOUR FORECAST LOW MOVED WELL NW OF AREA WITH NEW LOW W OF
AREA 46N155E 970 MB. FROM 32N TO 52N W OF 165E WINDS 35 TO 50
KT. SEAS 4.5 TO 7 M...HIGHEST NEAR 39N161E.
.48 HOUR FORECAST LOW W OF THE AREA 48N155E 955 MB. N OF 34N W
OF 170E WINDS 40 TO 55 KT. SEAS 5 TO 8.5 M. ELSEWHERE N OF 30N W
OF 173E WINDS 25 TO 40 KT. SEAS 3 TO 7 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF ALASKA.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF 162W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
164W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF 162W.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FRONT TO EXTEND FROM 30N156W TO 52N140W TO
59N142W TO 60N146W. WITHIN 180 NM E AND NE OF FRONT WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST NEW COMPLEX LOW TO FORM WITH FIRST CENTER
45N149W 1007 MB AND SECOND CENTER 43N156W 1002 MB. WITHIN AN
AREA BOUNDED BY A LINE FROM 30N148W TO 48N140W TO 43N157W TO
30N148W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR THE
FIRST AND SECOND CENTERS.

.24 HOUR FORECAST FROM 35N TO 43N E OF 129W AREA OF NW TO N
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 124W AND 129W AREA OF
N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM W AND
NW OF A LINE FROM 48N177W TO 59N159W AND N OF 49N W OF 162E.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM W AND NW OF A LINE
FROM 40N147W TO 54N137W...WITHIN 240 NM W OF A LINE FROM 42N175W
TO 52N170W AND WITHIN 180 NM NW OF A LINE FROM 55N172W TO
60N165W.
.48 HOUR FORECAST DENSE FOG WITHIN 360 NM NW AND N OF A LINE
FROM 48N129W TO 42N150W...WITHIN 180 NM W OF A LINE FROM 43N169E
TO 49N166E AND WITHIN 120 NM W AND NW OF A LINE FROM 54N171W TO
58N167W.

.FORECASTER FUTTERMAN. 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 TUE DEC 2.
24 HOUR FORECAST VALID 0600 UTC WED DEC  3.
48 HOUR FORECAST VALID 0600 UTC THU DEC  4.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 30N128W TO 30N140W TO 13N140W TO 19N132W TO 30N128W NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 22N120W TO 30N124W TO 28N140W TO
09N140W TO 11N130W TO 22N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 17N117W TO 23N123W TO 12N124W TO
05N129W TO 02N126W TO 07N119W TO 17N117W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.

.18 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 14.5N95.5W TO
14.5N95W TO 14.5N94.5W TO 15.5N94.5W TO 16N94.5W...INCLUDING
GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. 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 0900 UTC TUE DEC 2...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 08N83W TO 07N107W. ITCZ AXIS
RUNS FROM 07N107W TO 12N117W...AND FROM 08N128W TO BEYOND
08N140W. SCATTERED MODERATE UP TO 120 NM ALONG EITHER SIDE OF
MONSOON TROUGH BETWEEN 83W AND 100W...AND UP TO 125 NM N OF
SECOND ITCZ.

$$

.FORECASTER CHAN. NATIONAL HURRICANE CENTER.