377
FZPN01 KWBC 011607
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON DEC 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 01.
24 HOUR FORECAST VALID 1200 UTC DEC 02.
48 HOUR FORECAST VALID 1200 UTC DEC 03.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 38N163W 979 MB MOVING N 40 KT WILL TURN NW AFTER 12
HOURS...AND THEN SLOW AND TURN TO THE SE AFTER 24 HOURS WHILE
WEAKENING. WITHIN 90 NM S AND SE QUADRANTS WINDS 50 TO 65 KT.
SEAS 5 TO 8.5 M. ALSO WITHIN 150 NM NE...240 NM SE...AND 180
NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS 4 TO 7 M. ELSEWHERE
FROM 30N TO 41N BETWEEN 152W AND 170W WINDS 25 TO 40 KT. SEAS
3 TO 5.5 M.
.24 HOUR FORECAST LOW 53N166W 960 MB. FROM 51N TO 60N BETWEEN
159W AND 179W WINDS 40 TO 55 KT. SEAS 6 TO 9 M. ELSEWHERE
FROM 30N TO 65N BETWEEN 143W AND 170E WINDS 25 TO 40 KT.
SEAS 3 TO 8.5 M...HIGHEST IN THE BERING SEA NEAR 54N178W.
.48 HOUR FORECAST LOW 50N168W 976 MB. WITHIN 600 NM W
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 5 TO 9 M. ELSEWHERE FROM
30N TO 65N BETWEEN 168W AND 175E...AND WITHIN 360 NM NE AND
480 NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 4 TO 7 M.

...STORM WARNING...
.LOW 44N166W 984 MB MOVING N 35 KT. WITHIN 150 NM S AND SE
QUADRANTS WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE
WITHIN 480 NM N AND NE...420 NM E AND SE...AND 300 NM SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW
53N166W DESCRIBED ABOVE.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 48N171W 980 MB MOVING N
20 KT. BETWEEN 240 NM AND 720 NM W AND SW...AND BETWEEN
300 NM AND 780 NM N AND NW QUADRANTS WINDS 35 TO 45 KT.
SEAS 4 TO 7 M. ELSEWHERE FROM 30N TO 66N BETWEEN 170W
AND 167N...AND ALSO N OF 56N BETWEEN 164W AND 170W...
WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.18 HOUR FORECAST LOW 51N171W 970 MB. BETWEEN 180 NM
AND 540 NM NW QUADRANT WINDS 40 TO 50 KT. SEAS 5 TO 9 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW
53N166W DESCRIBED ABOVE.

...GALE WARNING...
.48 HOUR FORECAST N OF A FRONT FORECAST TO EXTEND FROM
39N169E TO 46N160E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF A LINE FROM 57N177E TO 59N165W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY
N OF 60N W OF ALASKA. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF 59N W OF 164W.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 30N TO 39N W OF 169E S WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M IN MIXED SWELL.

.48 HOUR FORECAST NEW LOW 37N153W 1012 MB. WITHIN
300 NM NE AND 240 NM SE QUADRANTS WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.5 M.

.48 HOUR FORECAST WITHIN 120 NM N AND NE OF A FRONT
FORECAST TO EXTEND FROM 52N135W TO 58N139W TO
59N148W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.48 HOUR FORECAST FROM 34N TO 44N BETWEEN 121W AND
130W N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N AND E
OF A LINE FROM 52N129W TO 58N138W TO 60N150W...FROM
33N TO 48N BETWEEN 156W AND 167W...AND WITHIN 180 NM
EITHER SIDE OF A LINE FROM 43N176E TO 53N179W TO
60N166W.
.24 HOUR FORECAST DENSE FOG FROM 39N TO 53N BETWEEN
147W AND 152W...FROM 43N TO 61N BETWEEN 163W AND
177E...AND N OF 48N W OF 164E.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 54N BETWEEN
134W AND 150W...N OF 58N BETWEEN 163W AND 172W...AND
FROM 43N TO 46N W OF 163E.

.FORECASTER MILLS. 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 MON DEC 1.
24 HOUR FORECAST VALID 1200 UTC TUE DEC  2.
48 HOUR FORECAST VALID 1200 UTC WED DEC  3.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 17N94W TO 16N96W TO 15N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 30N133W TO 30N140W TO 20N140W TO 26N134W TO 30N133W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 30N124W TO 30N140W TO 10N140W TO
12N134W TO 21N126W TO 30N124W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN W TO NW SWELL.
.48 HOUR FORECAST WITHIN 20N119W TO 24N134W TO 30N140W TO
10N140W TO 09N129W TO 20N119W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.

.09 HOUR FORECAST WITHIN 20N113W TO 19N115W TO 18N116W TO
17N117W TO 17N115W TO 18N114W TO 20N113W NE TO E WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.21 HOUR FORECAST CONDITIONS IMPROVE.

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

CONVECTION VALID AT 1500 UTC MON DEC 1...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 10N84W TO 07N96W. ITCZ AXIS FROM 07N96W
TO 10N112W AND FROM 11N126W TO 09N140W. SCATTERED MODERATE
FROM 04N TO 10N E OF 98W AND FROM 06N TO 12N W OF 134W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.