HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC THU NOV 06 2025
CCODE/2:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
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 NOV 06.
24 HOUR FORECAST VALID 1200 UTC NOV 07.
48 HOUR FORECAST VALID 1200 UTC NOV 08.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW W OF AREA 36N151E 998 MB MOVING NE 30 KT AND RAPIDLY
INTENSIFYING. FROM 30N TO 40N BETWEEN 166E AND 160E WINDS 25 TO
35 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST LOW W OF AREA 41N158E 987 MB. FROM 36N TO 43N
BETWEEN 167E WINDS 35 TO 50 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 46N164E 970 MB. FROM 40N TO 48N BETWEEN
175E AND 161E AND WITHIN 240 NM E OF A FRONT FROM 40N166E TO
35N163E WINDS 40 TO 55 KT. SEAS 5 TO 9 M. ELSEWHERE FROM 30N TO
54N BETWEEN 178E AND 160E WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.36 HOUR FORECAST LOW 52N167E 950 MB. WITHIN 360 NM NE QUADRANT
WINDS 50 TO 65 KT. SEAS 5 TO 8 M.
.48 HOUR FORECAST LOW 54N169E 938 MB. N OF A LINE FROM 43N160E TO
48N178E AND WITHIN 240 NM NE OF A FRONT FROM 57N176E TO 52N177W
WINDS 40 TO 55 KT. SEAS 7 TO 12 M...EXCEPT NE OF THE FRONT SEAS 5
TO 8 M. ELSEWHERE N OF A LINE FROM 50N180W TO 40N172E TO 33N160E
AND WITHIN 360 NM E AND NE OF A FRONT FROM 53N180W TO 46N174W TO
33N170E WINDS 25 TO 40 KT. SEAS 4 TO 7 M...EXCEPT E AND NE OF THE
FRONT SEAS TO 4 M.
...STORM WARNING...
.LOW 48N138W 987 MB MOVING NE 20 KT. WITHIN 300 NM S AND SW
QUADRANTS WINDS 40 TO 55 KT. SEAS 5 TO 7 M. ELSEWHERE FROM 36N TO
49N BETWEEN 128W AND 154W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED. N OF 46N E OF 131W WINDS 20 TO
30 KT. SEAS 3 TO 6 M.
.36 HOUR FORECAST CONDITIONS DIMINISHED.
...STORM WARNING...
.LOW 57N141W 967 MB MOVING NW 10 KT. N OF A LINE FROM 53N130W TO
49N140W TO 49N154W TO 53N164W WINDS 25 TO 40 KT. SEAS 3.5 TO 7
M...EXCEPT W OF 150W SEAS TO 4 M.
.12 HOUR FORECAST LOW 58N145W 975 MB. WITHIN 180 NM NE SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST LOW 60N149W 983 MB. BETWEEN 60 NM AND 300 NM SW
QUADRANT WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ELSEWHERE N OF A LINE
FROM 46N131W TO 52N163W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 58N148W 998 MB. WITHIN 300 NM E AND NE AND
360 NM W AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 4 M.
...STORM WARNING...
.LOW 40N169W 1004 MB MOVING E 30 KT. FROM 30N TO 43N BETWEEN 160W
AND 176E WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M...HIGHEST W OF THE
LOW.
.24 HOUR FORECAST LOW 40N152W 997 MB. FROM 30N TO 45N BETWEEN
140W AND 170W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M...HIGHEST W AND
SW OF THE LOW.
.36 HOUR FORECAST LOW 42N147W 988 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
.48 HOUR FORECAST LOW 42N145W 983 MB. WITHIN 360 NM W AND NW
SEMICIRCLES WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 30N
TO 52N BETWEEN 128W AND 160W WINDS 25 TO 40 KT. SEAS 2.5 TO 5
M...HIGHEST W AND SW OF THE LOW.
...GALE WARNING...
.N OF A LINE FROM 48N178W TO 50N162E WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.24 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 63N174W
TO 50N170W TO 58N177E TO 63N174W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST FROM 30N TO 37N BETWEEN 118W AND 124W WINDS 20
TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST FROM 30N TO 36N BETWEEN 119W AND 124W WINDS TO
25 KT. SEAS 3 TO 4.5 M.
.RESUSPENDED ASH IS POSSIBLE IN THE VICINITY OF KATMAI VOLCANO
NEAR 58.28N 154.95W. THERE IS NO ERUPTION. IF MARINERS ENCOUNTER
VOLCANIC ASH YOU ARE ENCOURAGED TO REPORT THE OBSERVATION WITH
THE OCEAN PREDICTION CENTER BY CALLING 301-683-1520.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 54N
BETWEEN 141W AND 148W...N OF 59N BETWEEN 140W AND 150W...AND N OF
55N BETWEEN 178W AND 174W.
.24 HOUR FORECAST DENSE FOG N OF 56N BETWEEN 170W AND 173W AND
FROM 46N TO 50N BETWEEN 173E AND 160E.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 50N135W TO 43N147W...NW OF A LINE FROM 43N160E TO
56N176W...AND FROM 43N TO 48N BETWEEN 172W AND 178W.
.AREAS OF LIGHT TO MODERATE FREEZING SPRAY N OF 60N BETWEEN THE
ALASKA COAST AND 174W.
.24 HOUR FORECAST AREAS OF LIGHT TO MODERATE FREEZING SPRAY N OF
A LINE FROM 59N162W TO 63N172W.
.48 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY N OF 61N W OF
ALASKA.
.FORECASTER COLLINS. 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 1200 UTC THU NOV 6.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 7.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 8.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 15N93W TO 16N95W TO 15N96W TO 13N96W TO 13N95W TO 14N93W
TO 15N93W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 05N93W TO 06N98W TO 05N102W TO 03N102W TO 02N95W TO
05N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 08N101W TO 07N109W TO 04N112W TO
02N110W TO 02N100W TO 04N94W TO 08N101W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 06N110W TO 09N110W TO 09N113W TO
07N115W TO 04N115W TO 03N112W TO 06N110W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN W SWELL.
.WITHIN 21N111W TO 22N117W TO 20N131W TO 09N136W TO 09N128W TO
13N112W TO 21N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST CONDITIONS MERGED.
.WITHIN 30N119W TO 30N140W TO 11N140W TO 30N119W WINDS 20 KT OR
LESS. SEAS 2.5 TO 5.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 26N114W TO 29N115W TO 30N140W TO
08N140W TO 10N127W TO 26N114W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 22N111W TO 30N116W TO 17N140W TO
05N140W TO 05N122W TO 22N111W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW SWELL.
.06 HOUR FORECAST WITHIN 01N117W TO 03N129W TO 03N140W TO
00N140W TO 03.4S120W TO 03.4S112W TO 01N117W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN MIXED N AND SW SWELL.
.24 HOUR FORECAST WITHIN 05N122W TO 00N132W TO 01S120W TO
03.4S120W TO 03.4S104W TO 05N122W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SW TO W SWELL.
.48 HOUR FORECAST WITHIN 02S109W TO 02S120W TO 03.4S120W TO
03.4S108W TO 02S109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.42 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 29N140W TO
29N139W TO 30N138W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.48 HOUR FORECAST WITHIN 30N138W TO 30N140W TO 28N140W TO
29N139W TO 30N138W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1430 UTC THU NOV 6...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 10N90W TO 07N110W TO 10N123W TO
09N128W. ITCZ FROM 09N128W TO 09N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 06N TO 12N BETWEEN 95W AND 107W. SCATTERED
MODERATE FROM 07N TO 14N BETWEEN 121W AND 133W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1200 UTC NOV 06 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 07 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 08 2025.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WEAKENING FRONT 27N140W 27N154W SLOWLY MOVING N.
.24 HOUR FORECAST FRONT BECOMING A TROUGH 28N140W 27N153W
25N162W.
.48 HOUR FORECAST TROUGH ABSORBED IN FIRST NEW FRONT MENTIONED
BELOW.
.TROUGH 28N140W 27N151W 28N164W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH ABSORBED IN FRONTAL BOUNDARY ABOVE.
.TROUGH 22N176E 21N172E 18N171E MOVING NW 15 KT.
.24 HOUR FORECAST WEAK TROUGH 24N170E 22N167E.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 10N165E 06N162E 03N159E MOVING WNW 20 KT. WINDS 20 TO 25
KT WITHIN 90 NM EITHER SIDE OF TROUGH FROM 07N TO 02N. SCATTERED
MODERATE TSTMS S OF TROUGH FROM 04N TO 00N W OF 162E.
.24 HOUR FORECAST TROUGH 11N159E 05N154E. WINDS LOWERING TO 20 KT
OR LESS.
.48 HOUR FORECAST TROUGH DISSIPATED.
.24 HOUR FORECAST NEW FRONT 30N171W 28N176E.
.48 HOUR FORECAST FRONT 30N148W 25N160W 25N173W. WINDS 20 TO 30
KT AND SEAS 2.5 TO 3.5 M N OF FRONT.
.48 HOUR FORECAST NEW FRONT 30N164E 27N160E. SEAS 2.5 TO 3 M W OF
FRONT.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 4 M N OF 19N E OF 157W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M E OF A LINE 11N155W 30N147W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 18N E OF 150W.
.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 09N140W 07N170W 03N171E. ISOLATED STRONG TO MODERATE TSTMS
WITHIN 120 NM EITHER SIDE OF ITCZ E OF 175E.
$$
.FORECASTER BLOOD. HONOLULU HI.=