HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC THU NOV 12 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC NOV 12.
24 HOUR FORECAST VALID 1800 UTC NOV 13.
48 HOUR FORECAST VALID 1800 UTC NOV 14.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 42N179W 997 MB MOVING E 30 KT. FROM 37N TO 45N W OF 174W
WINDS 30 TO 40 KT. SEAS 3.5 TO 5 M. ELSEWHERE FROM 34N TO 47N W
OF 170W WINDS 20 TO 30 KT. SEAS TO 4 M.
.12 HOUR FORECAST LOW 45N173W 983 MB. WITHIN 150 NM SW SEMICIRCLE
WINDS 45 TO 55 KT. SEAS 5 TO 7.5 M.
.18 HOUR FORECAST LOW 45N167W 977 MB. BETWEEN 60 NM AND 180 NM SW
SEMICIRCLE WINDS 50 TO 65 KT. SEAS 6 TO 10 M.
.24 HOUR FORECAST LOW 45N162W 974 MB. WITHIN 180 NM SW SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 7 TO 11 M. ELSEWHERE FROM 38N TO 49N
BETWEEN 154W AND 175W WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE
FROM 35N TO 51N BETWEEN 149W AND 175W WINDS 25 TO 35 KT. SEAS 3
TO 6 M.
.48 HOUR FORECAST LOW 50N141W 960 MB. WITHIN 720 NM SW
SEMICIRCLE...AND WITHIN 120 NM E OF A LINE FROM 43N132W TO
47N133W TO 51N136W WINDS 35 TO 50 KT. SEAS 6 TO 11 M. ELSEWHERE
WITHIN 1140 NM S...960 NM W...720 NM N...AND 960 NM E QUADRANTS
WINDS 25 TO 35 KT. SEAS 3.5 M TO 9 M...HIGHEST SW OF CENTER.
...STORM WARNING...
.LOW 49N144W 962 MB MOVING SE 20 KT. BETWEEN 120 NM AND 480 NM SW
SEMICIRCLE...AND WITHIN 120 NM E OF A LINE FROM 41N140W TO
45N137W TO 49N139W TO 51N143W WINDS 45 TO 60 KT. SEAS 8 TO 15.5
M...HIGHEST SW OF CENTER. ELSEWHERE FROM 37N TO 53N BETWEEN 134W
AND 155W...EXCEPT WITHIN 90 NM OF CENTER...WINDS 35 TO 45 KT.
SEAS 5 TO 10 M. ELSEWHERE FROM 33N TO 55N BETWEEN 132W AND 161W
WINDS 25 TO 35 KT. SEAS 3 TO 7.5...HIGHEST SW OF CENTER.
ELSEWHERE S OF 59N BETWEEN 123W AND 170W WINDS TO 25 KT. SEAS 2.5
TO 5 M.
.24 HOUR FORECAST LOW 48N133W 973 MB. WITHIN 360 NM SW OF A LINE
FROM 42N129W TO 48N138W WIND 35 TO 50 KT. SEAS 9 TO 14 M.
ELSEWHERE FROM 35N TO 53N BETWEEN 123W AND 145W WINDS 25 TO 35
KT. SEAS 6 TO 11 M. ELSEWHERE S OF 58N BETWEEN 122W AND 154W
WINDS TO 25 KT. SEAS 3.5 TO 7 M.
.48 HOUR FORECAST LOW ABSORBED BY LOW 50N141W DESCRIBED ABOVE. S
OF 42N BETWEEN 118W AND 146W...EXCEPT WHERE DESCRIBED WITH LOW
50N141W...WINDS LESS THAN 25 KT. SEAS 4 TO 8 M...HIGHEST NEAR
36N123W.
...GALE WARNING...
.30 HOUR FORECAST LOW JUST W OF AREA NEAR 54N169E 993 MB. S OF
54N W OF 179E WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 56N179E 984 MB. FROM 44N TO 59N BETWEEN
164W AND 174E WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 151W AND 166W...EXCEPT
WHERE DESCRIBED WITH LOW 50N141W ABOVE...WINDS LESS THAN 25 KT.
SEAS 4 TO 7.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N W
OF 171W.
.24 HOUR FORECAST DENSE FOG FROM 53N TO 55N W OF 180W...AND 46N
TO 50N BETWEEN 153W AND 165W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 59N BETWEEN 150W AND
155W...AND WITHIN 150 NM NE AND N OF A LINE FROM 52N168W TO
56N172W TO 56N178E.
.LIGHT FREEZING SPRAY N OF 61N W OF 170W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 60N W OF 167W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.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 THU NOV 12.
24 HOUR FORECAST VALID 1800 UTC FRI NOV 13.
48 HOUR FORECAST VALID 1800 UTC SAT NOV 14.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.COLD FRONT FROM 30N125W TO 22N140W. WITHIN 30N127W TO 30N133W
TO 28N130W TO 28N128W TO 30N127W NW WINDS 20 TO 25 KT. SEAS 4.0
TO 5.0 M IN NW SWELL. ELSEWHERE WITHIN 30N122W TO 28N131W TO
30N133W TO 30N140W TO 20N140W TO 22N132W TO 30N122W WINDS 20 KT
OR LESS. SEAS 2.5 TO 5.0 M IN NW SWELL...HIGHEST NEAR 29N136W.
.24 HOUR FORECAST OLD COLD FRONT WEAKENING FROM 31.5N114W TO
19N136W. NEW COLD FRONT FROM 30N133W TO 28N140W. WITHIN
30N130.5W TO 30N133.5W TO 30N134W TO 29.5N134W TO 29.5N133W TO
29.5N132W TO 30N130.5W SW WINDS 20 TO 25 KT. SEAS 4.0 TO 4.5 M IN
W TO NW SWELL. ELSEWHERE WITHIN 29N115W TO 30N140W TO 10N140W
TO 17N123W TO 29N115W...INCLUDING NEAR SEBASTIAN VIZCAINO BAY...
WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN NW SWELL...HIGHEST NEAR
30N140W.
.48 HOUR FORECAST OLD COLD FRONT E OF AREA AND DISSIPATED. SECOND
COLD FRONT WEAKENING FROM 30N120W TO 25.5N130W TO 24N140W. WITHIN
30N118W TO 30N140W TO 19N140W TO 23N125W TO 30N118W WINDS 20 KT
OR LESS. SEAS 4.0 TO 7.0 M IN NW SWELL...HIGHEST NEAR 30N127W.
ELSEWHERE WITHIN 23N111W TO 30N116W TO 19N140W TO 08N140W TO
07N132W TO 14N116W TO 23N111W...INCLUDING SEBASTIAN VIZCAINO BAY
AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0
M IN NW SWELL.
.WITHIN 24N117W TO 27N119W TO 18N132W TO 20N140W TO 07N140W TO
17N123W TO 24N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH FEATURE ABOVE.
.WITHIN 06N111W TO 10N114W TO 07N129W TO 00N136W TO 03.4S120W TO
03.4S94W TO 06N111W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MERGING SW AND NW SWELL.
.24 HOUR FORECAST WITHIN 02N98W TO 02N104W TO 05N110W TO 00N125W
TO 03S120W TO 03S100W TO 02N98W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MERGING SW AND NW SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS 20 TO
30 KT. SEAS BUILDING TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.21 HOUR FORECAST COLD FRONT FROM 31.5N114W TO 30.5N115W. WITHIN
31N113W TO 32N114W TO 31N114W TO 31N115W TO 30N114W TO 30N113W
TO 31N113W...INCLUDING THE NORTHERN GULF OF CALIFORNIA...SW
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.27 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 1940 UTC THU NOV 12...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10.5N86W TO 04N110W TO 00N130W TO 00N140W.
SCATTERED MODERATE TO ISOLATED STRONG BETWEEN 300 NM AND 600 NM
SE OF MONSOON TROUGH BETWEEN 77W AND 90W...FROM 02S TO 09N
BETWEEN 105W AND 128W...AND FROM 06N TO 15N BETWEEN 128W AND
140W.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC NOV 12 2026.
24 HOUR FORECAST VALID 1800 UTC NOV 13 2026.
48 HOUR FORECAST VALID 1800 UTC NOV 14 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 22N140W 20N150W 21N158W THENCE A TROUGH TO 23N168W MOVING
SE 10 KT. WINDS 20 TO 25 KT FROM 20N TO 25N BETWEEN 168W AND 148W.
.24 HOUR FORECAST FRONT DISSIPATED. TROUGH 18N140W 17N150W
16N160W. WINDS 20 TO 25 KT FROM FRONT TO 20N E OF 160W.
.48 HOUR FORECAST TROUGH 15N140W 15N150W. WINDS DISSIPATED TO 20
KT OR LESS.
.TROUGH 10N140W 04N146W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 10N143W 05N148W.
.48 HOUR FORECAST TROUGH 11N153W 07N149W.
.TROUGH 12N173W 08N174W MOVING W SLOWLY. SCATTERED MODERATE TSTMS
WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 11N178W 08N180W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.WINDS 20 TO 25 KT FROM 10N TO 20N BETWEEN 175W AND 145W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 20N.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 20N BETWEEN 170W
AND 150W.
.SEAS 4 TO 5 M WITHIN AN AREA BOUNDED BY 30N155W 30N140W 21N140W
14N160W 10N175W 18N180W 30N155W. SEAS 2.5 TO 4 M ELSEWHERE N OF
09N.
.24 HOUR FORECAST SEAS 4 TO 5 M FROM 10N TO 20N E OF 162W... AND N
OF 27N E OF 150W. SEAS 2.5 TO 4 M ELSEWHERE FROM 08N TO 26N...
AND N OF 26N E OF 160W.
.48 HOUR FORECAST SEAS 4 TO 5.5 M N OF 20N E OF 148W. SEAS 2.5 TO
4 M ELSEWHERE FROM 08N TO 20N... AND N OF 20N E OF 155W.
.OTHERWISE...WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER THE
REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS FROM 07N TO 10N BETWEEN 151W AND 146W...
AND FROM 05N TO 10N BETWEEN 170W AND 160W.
$$
.FORECASTER SHIGESATO. HONOLULU HI.=