HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC SUN NOV 16 2025
CCODE/1:31:12:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 16.
24 HOUR FORECAST VALID 1800 UTC NOV 17.
48 HOUR FORECAST VALID 1800 UTC NOV 18.
.WARNINGS.
...STORM WARNING...
.LOW 56N166W 961 MB MOVING N 10 KT. WITHIN 120 NM S
SEMICIRCLE...AND WITHIN 180 NM NE QUADRANT WINDS 40 TO 50 KT.
SEAS 4 TO 6 M. ELSEWHERE FROM 37N TO 60N BETWEEN 150W AND 170W
WINDS 25 TO 40 KT. SEAS 3 TO 7 M...HIGHEST JUST S OF ALEUTIAN
ISLANDS.
.24 HOUR FORECAST LOW 61N168W 961 MB. WITHIN 300 NM NW SEMICIRCLE
WINDS 35 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE N OF 51N BETWEEN
159W AND 167W...AND N OF 56N W OF 167W WINDS 25 TO 35 KT. SEAS
3.5 TO 5.5 M.
.48 HOUR FORECAST LOW 61N172W 970 MB. NW OF A LINE FROM 60N175W
TO 65N167W WINDS 30 TO 45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 420
NM SE AND 300 NM NW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
...STORM WARNING...
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER WELL W OF AREA
NEAR 49N149E 964 MB. N OF 34N W OF 167E WINDS 25 TO 40 KT. SEAS
3.5 TO 5 M.
.42 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER W OF AREA NEAR
49N156E 967 MB. WITHIN 180 NM SE OF A LINE FROM 45N175E TO
40N166E WINDS 40 TO 50 KT. SEAS 6 TO 8 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N160E 967 MB.
WITHIN 360 NM SE QUADRANT...WITHIN 300 NM SE OF A LINE FROM
48N179W TO 38N166E...AND WITHIN 90 NM OF EITHER SIDE OF A LINE
FROM 52N180W TO 54N174E TO 54N168E WINDS 35 TO 50 KT SEAS 5 TO 9
M...HIGHEST NEAR 46N161E. ELSEWHERE S OF 58N W OF 170W WINDS 25
TO 35 KT. SEAS 4 TO 7 M.
...GALE WARNING...
.FROM 34N TO 42N BETWEEN A LINE FROM 34N132W TO 39N128W TO
42N127W AND 141W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST NEW LOW INLAND 39N123W 1006 MB. FROM 34N TO 46N
E OF 133W WINDS 20 TO 30 KT. SEAS 4 TO 5 M.
.48 HOUR FORECAST LOW 37N123W 1011 MB. FROM 34N TO 43N BETWEEN
122W AND 128W WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M.
...GALE WARNING...
.LOW 51N127W 993 MB MOVING E 15 KT. FROM 42N TO 52N BETWEEN 127W
AND 131W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 55N176E 966 MB. WITHIN 180 NM SW OF
A LINE FROM 52N177E TO 55N171E...FROM 60N TO 64N W OF 170W...AND
WITHIN 240 NM SW OF A LINE FROM 44N172E TO 51N162E WINDS 35 TO 45
KT. SEAS 5.5 TO 8 M. ELSEWHERE N OF 34N W OF 165W...EXCEPT IN
AREA DESCRIBED WITH LOW 56N166W ABOVE...WINDS 25 TO 35 KT. SEAS
3.5 TO 6.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 53N176E 978 MB.
WITHIN 600 NM SW OF A LINE FROM 39N168W TO 53N179W WIND 25 TO 40
KT. SEAS 4.5 TO 7.5 M. ELSEWHERE S OF 56N BETWEEN 167W AND 167E
WINDS TO 25 KT. SEAS 4 TO 6 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 47N TO 53N BETWEEN 166W
AND 175W WINDS 20 TO 30 KT. SEAS 4 TO 6 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 59N148W 989 MB. WITHIN 180 NM E AND NE
OF A LINE FROM 52N140W TO 56N141W TO 60N149W WINDS 25 TO 35 KT.
SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND AND CONDITIONS
DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST LOW 51N160W 993 MB. FROM 47N TO 52N BETWEEN
154W AND 163W WINDS 25 TO 40 KT. SEAS 3.5 TO 5.5 M. ELSEWHERE
FROM 46N TO ALEUTIAN ISLANDS AND S ALASKA COAST BETWEEN 153W AND
165W WINDS TO 25 KT. SEAS 3.5 TO 5.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 42N166W 1006 MB. FROM 38N TO 42N
BETWEEN 164W AND 167W WINDS 20 TO 30 KT. SEAS 4 TO 5 M. ELSEWHERE
FROM 37N TO 51N BETWEEN 164W AND 167W WINDS LESS THAN 25 KT. SEAS
TO 4 M.
.42 HOUR FORECAST LOW 47N155W 993 MB. WITHIN 120 NM SE AND 60 NM
NW SEMICIRCLES WINDS 30 TO 40 KT. SEAS 4 TO 5 M.
.48 HOUR FORECAST LOW 49N153W 990 MB. WITH 120 NM OF CENTER...AND
WITHIN 540 NM NW OF A LINE FROM 38N149W TO 47N162W WINDS 30 TO 40
KT. SEAS 4 TO 6 M. ELSEWHERE S OF 51N BETWEEN 145W AND 170W WINDS
20 TO 30 KT. SEAS 3 TO 5.5 M.
.SYNOPSIS AND FORECAST.
.LOW 53N136W 1001 MB MOVING SE 30 KT. FROM 47N TO 55N BETWEEN
135W AND 145W WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
39N123W DESCRIBED ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM NE OF
A LINE FROM 55N167W TO 59N180W...N OF 53N BETWEEN 172W AND
168W...AND FROM 36N TO 39N BETWEEN 162W AND 165W.
.24 HOUR FORECAST DENSE FOG FROM 59N TO 65N BETWEEN 163W AND
176W.
.48 HOUR FORECAST DENSE FOG N OF 60N W OF ALASKA...AND FROM 52N
TO 52N W OF 177E.
.LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF ALASKA.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 63N W OF
ALAKSA.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A
LINE FROM 61N177W TO 63N169W TO 65M167W.
.FORECASTER POCHE. 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 1800 UTC SUN NOV 16.
24 HOUR FORECAST VALID 1800 UTC MON NOV 17.
48 HOUR FORECAST VALID 1800 UTC TUE NOV 18.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.GULF OF CALIFORNIA FROM 30N TO 31N SW WINDS 20 TO 25 KT. SEAS
LESS
THAN 2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST GULF OF CALIFORNIA N OF 30N S TO SW WINDS 20 TO
30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.SE OF A LINE FROM 22N116W TO 18N128W TO 20N140W TO ANOTHER LINE
FROM 18N112W TO 10N125W TO 10N140W WINDS 20 KT OR LESS. SEAS 2.5
TO
3 M IN NW SWELL.
.18 HOUR FORECAST COLD FRONT FROM 30N124W TO 28N130W TO 29N140W.
N
OF FRONT AND E OF 135W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M
IN
NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 30N122W TO 26N130W TO 27N140W.
N
OF FRONT AND E OF 132W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M
IN
NW SWELL. ELSEWHERE N OF FRONT AND E OF 135W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 30N115W TO 22N125W TO 23N140W.
N
OF FRONT AND E OF 132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
NW
SWELL.
.FROM 06N TO 09N BETWEEN 96W AND 101W WINDS 20 KT OR LESS. SEAS
TO
2.5 M IN SW TO W SWELL.
.12 HOUR FORECAST 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 2100 UTC SUN NOV 16...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO A 1011 MB LOW PRESSURE
LOCATED NEAR 12N96W TO ANOTHER 1011 MB LOW PRESSURE SITUATED NEAR
08.5N103W TO 08N111W. THE ITCZ STRETCHES FROM 08N111W TO BEYOND
09N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS
NOTED
FROM 07N TO 11N BETWEEN 100W AND 104W. SCATTERED MODERATE
CONVECTION
IS OBSERVED ELSEWHERE FROM 06N TO 10N E OF 85W TO THE COAST OF
COLOMBIA...INCLUDING ALSO THE GULF OF PANAMA...FROM 08N TO 11N
BETWEEN 94W AND 100W...AND FROM 06N TO 10N W OF 130W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E
SYNOPSIS VALID 1800 UTC NOV 16 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 17 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 18 2025.
.WARNINGS.
...GALE WARNING...
.FRONT 30N178W 23N165E THENCE TROUGH 23N160E MOVING NE 30 KT.
WINDS 20 TO 25 KT WITHIN 120 NM N OF FRONT. SEAS 2.5 TO 3 M
N OF FRONT. SCATTERED MODERATE TSTMS WITHIN 90 NM OF FRONT.
.24 HOUR FORECAST FRONT 30N170W 25N180W 23N170E THENCE TROUGH
20N160E. WINDS 20 TO 30 KT AND SEAS 2.5 TO 3 M N OF FRONT.
.48 HOUR FORECAST FRONT 30N158W 25N163W 20N172E.
WINDS 30 TO 35 KT AND SEAS 4 TO 4.5 M N OF FRONT BETWEEN 158W
AND 175W. WINDS 20 TO 30 KT ELSEWHERE N OF FRONT BETWEEN 175W
AND 172E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N158W 20N180W
15N170E 15N160E.
.SYNOPSIS AND FORECAST.
.TROUGH 10N179E 07N177E 05N177E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 10N174E 05N173E.
.48 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER
OF FORECAST AREA.
.ITCZ 09N140W 10N145W 08N159W 10N165W 09N175W. ISOLATED
MODERATE TSTMS WITHIN 150 NM OF ITCZ.
.ISOLATED MODERATE TSTMS FROM 05N TO 13N BETWEEN 175W AND
178E.
$$
.FORECASTER PECHACEK. HONOLULU HI.=