HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC THU APR 02 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FROM APRIL 1 TO OCTOBER 15, DUE TO CLIMATOLOGY OF THE NORTH
PACIFIC, HIGH SEAS FORECASTS WILL ONCE AGAIN INCLUDE ALL
FORECASTS OF WINDS 20 TO 30 KNOTS AND SEAS 2.5 METERS OR
GREATER.
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 0600 UTC APR 02.
24 HOUR FORECAST VALID 0600 UTC APR 03.
48 HOUR FORECAST VALID 0600 UTC APR 04.
.WARNINGS.
...GALE WARNING...
.LOW 52N162W 996 MB MOVING NE 25 KT. FROM 45N TO 50N BETWEEN
161W AND 171W WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM
43N TO 52N BETWEEN 145W AND 175W AND WITHIN 300 NM N AND 420 NM
W QUADRANTS WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST S OF LOW.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 55N147W 1002 MB
AND A NEW SECOND CENTER 55N139W 999 MB. FRONT TO EXTEND FROM
SECOND CENTER TO 54N133W TO 52N130W. WITHIN 120 NM NE AND E OF
FRONT WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM 44N TO 58N
BETWEEN 127W AND 155W AND FROM 41N TO 54N BETWEEN 155W AND 160W
WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR 47N150W.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 56N143W 1014 MB.
N OF 57N BETWEEN 136W AND 141W WINDS 20 TO 30 KT. SEAS TO 3 M.
ELSEWHERE N OF 48N BETWEEN 130W AND 150W WINDS LESS THAN 25 KT.
SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.COMPLEX LOW INLAND WITH MEAN CENTER NEAR 48N119W 999 MB MOVING
E 15 KT. FROM 40N TO 46N E OF 136W WINDS 20 TO 30 KT. SEAS 3.5
TO 6 M. ELSEWHERE FROM 38N TO 51N E OF 140W WINDS TO 25 KT. SEAS
TO 4 M.
.24 HOUR FORECAST LOW WELL INLAND. FROM 41N TO 49N E OF 130W
WINDS LESS THAN 25 KT. SEAS TO 3 M.
.30 HOUR FORECAST CONDITIONS DIMINISHED.
.COMPLEX LOW W OF AREA WITH MAIN CENTER 53N164E 993 MB MOVING SE
10 KT AND SECOND CENTER 48N172E 998 MB MOVING NE 15 KT. W OF A
LINE FROM 54N173E TO 51N177E AREA OF E TO SE WINDS 20 TO 30 KT.
SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER W OF AREA 51N169E
1007 MB AND SECOND CENTER 51N180W 1002 MB. W OF A LINE FROM
57N174E TO 55N178W TO 44N170W WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M...HIGHEST NEAR 51N178E.
.48 HOUR FORECAST MAIN LOW ABSORBED W OF AREA AND SECOND LOW
46N165W 1016 MB. FROM 39N TO 49N BETWEEN 162W AND 173W WINDS
LESS THAN 25 KT. SEAS TO 3 M.
.LOW JUST S OF AREA NEAR 29N179W 1014 MB MOVING SE 05 KT. FROM
30N TO 35N BETWEEN 175W AND 180W WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED S OF AREA. CONDITIONS
DIMINISHED.
.24 HOUR FORECAST FROM 31N TO 41N BETWEEN 118W AND 127W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 35N TO 44N BETWEEN 123W AND 128W AREA OF
N WINDS 20 TO 30 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW W OF AREA 50N161E 984 MB. FROM 51N TO 55N
W OF 179W AREA OF E TO SE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW W OF AREA 51N165E 989 MB. W OF A LINE FROM
58N174E TO 53N177W TO 45N179W AREA OF E TO SE WINDS 20 TO 30 KT.
SEAS TO FROM 51N TO 55N W OF 177E AREA OF E TO SE WINDS 20 TO
30 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 54N172E.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 49N
BETWEEN 146W AND 150W...WITHIN 300 NM N OF A LINE FROM 50N144W
TO 53N156W...FROM 52N TO 54N BETWEEN 156W AND 165W...AND W OF A
LINE FROM 54N171E TO 46N178W.
.24 HOUR FORECAST DENSE FOG FROM 34N TO 37N BETWEEN 167W AND
170W...FROM 54N TO 56N BETWEEN 133W AND 150W...AND FROM 50N TO
53N W OF 173W.
.48 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 139W AND 143W.
.LIGHT FREEZING SPRAY N OF A LINE FROM 55N167W TO 58N177W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 60N144W
TO 59N153W...AND N OF A LINE FROM 54N160W TO 54N170W TO 57N175W
TO 59N178E.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N151W
TO 53N161W TO 54N171W TO 59N179E.
.FORECASTER BANCROFT. 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 THU APR 2.
24 HOUR FORECAST VALID 0600 UTC FRI APR 3.
48 HOUR FORECAST VALID 0600 UTC SAT APR 4.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 02S86W TO 02N100W TO 02S115W TO 03.4S119W TO 03.4S82W TO
02S86W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.15 HOUR FORECAST WITHIN 28N114W TO 30N116W TO 28N115W TO
29N117W TO 26N114W TO 27N113W TO 28N114W...INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...NW 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.
.21 HOUR FORECAST BROAD LOW PRES NEAR 27.5N136W 1013 MB. WITHIN
29N134W TO 29N138W TO 28N140W TO 27N140W TO 28N137W TO 27N133W TO
29N134W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST BROAD LOW PRES NEAR 29.5N138W 1016 MB. WITHIN
30N132W TO 30N138W TO 30N137W TO 29N135W TO 29N133W TO 30N132W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SE AND NW TO N
SWELL.
.36 HOUR FORECAST WITHIN 30N120W TO 30N128W TO 29.5N127.5W TO
29N123.5W TO 29N121.5W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 30N118W TO 30N126W TO 29N126W TO
27N123W TO 27N121W TO 28N118W TO 30N118W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0700 UTC THU APR 2...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH FROM 07.5N78W TO 05.5N94W. ITCZ FROM 05.5N94W TO 03N120W
TO BEYOND 04.5N140W. SECOND ITCZ FROM S OF 03.4S TO 03.4S110W TO
02.5N116W TO BEYOND 03S120W. WIDELY SCATTERED MODERATE FROM 03N
TO 08N BETWEEN 80W AND 97W...AND FROM 03N TO 09N BETWEEN 128W AND
134W.
$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC APR 02 2026.
24 HOUR FORECAST VALID 0600 UTC APR 03 2026.
48 HOUR FORECAST VALID 0600 UTC APR 04 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 24N145W 1014 MB NEARLY STATIONARY. TROUGH FROM LOW TO 21N143W
17N144W NEARLY STATIONARY. WINDS 20 TO 30 KT FROM 28N TO 24N
BETWEEN 141W AND 146W. SCATTERED MODERATE TSTMS WITHIN 210 NM NE
QUADRANT OF LOW.
.24 HOUR FORECAST LOW NEAR 24N144W 1013 MB. TROUGH 25N140W TO LOW
TO 18N142W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M FROM 28N TO 24N
E OF 148W.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 26N140W 20N146W. WINDS
EASED TO 20 KT OR LESS AND SEAS LOWERED TO LESS THAN 2.5 M.
.LOW 29N179W 1014 MB MOVING E SLOWLY. FRONT 30N176W 24N180W MOVING
E 10 KT. ISOLATED MODERATE TSTMS BETWEEN FRONT AND 173W N OF 27N.
.24 HOUR FORECAST LOW DISSIPATED. FRONT WEAKENED TO TROUGH 30N176W
25N180W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.E WINDS 20 TO 25 KT FROM 18N TO 11N BETWEEN 153W AND 170W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 11N BETWEEN 150W
AND 170W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 11N BETWEEN 155W
AND 170W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M IN AREA BOUNDED BY 22N168W 13N154W 08N170W
04N180W
16N180W 22N168W...AND N OF LINE 30N175W 23N180W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 10N W OF 165W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 10N W OF 170W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS FROM 12N TO 09N W OF 175W.
.ITCZ 05N140W 05N153W 06N174W. ISOLATED MODERATE TSTMS WITHIN 90
NM
OF ITCZ W OF 153W.
$$
.FORECASTER WROE. HONOLULU HI.=