HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 02.
24 HOUR FORECAST VALID 1800 UTC APR 03.
48 HOUR FORECAST VALID 1800 UTC APR 04.
.WARNINGS.
...GALE WARNING...
.LOW 52N153W 999 MB MOVING NE 15 KT. BETWEEN 180 AND 480 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 43N TO
57N BETWEEN 146W AND 165W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 55N146W 1007 MB. FROM 46N TO 51N BETWEEN
141W AND 149W WINDS LESS THAN 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 54N142W 1019 MB. CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 53N142W 999 MB MOVING NE 10 KT. FROM 43N TO 57N BETWEEN 135W
AND 146W WINDS 20 TO 30 KT. SEAS TO 3 M.
.12 HOUR FORECAST LOW 55N139W 999 MB. WITHIN 120 NM NE AND E OF A
FRONT TO EXTEND FROM THE LOW TO 54N133W TO 50N130W WINDS 25 TO 35
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 57N139W 1005 MB. FROM 55N TO 58N BETWEEN
135W AND 141W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 59N144W 1019 MB. WITHIN 90 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW W OF AREA 50N178E 1002 MB MOVING NE 05 KT. WITHIN 240 NM NE
QUADRANT...AND W OF A LINE FROM 50N177W TO 44N174W TO 39N180W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.06 HOUR FORECAST LOW 50N179E 1003 MB. WITHIN 180 NM OF LOW
CENTER WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 51N178E 1011 MB. WITHIN 240 NM N AND NE
QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED BELOW WITH
LOW 56N166E.
...GALE WARNING...
.LOW SW OF AREA 52N168E 997 MB MOVING SE 10 KT. WITHIN 180 NM N
AND NE OF A LINE FROM 51N176E TO 54N169E WINDS 20 TO 30 KT. SEAS
TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED. WITHIN 150 NM N AND NE OF A
LINE FROM 52N176E TO 54N169E WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED BELOW WITH LOW 56N166E.
...GALE WARNING...
.30 HOUR FORECAST LOW W OF AREA 51N162E 989 MB. WITHIN 240 NM NE
OF A LINE FROM 50N180W TO 54N169E WINDS 25 TO 35 KT. SEAS TO 4
M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 57N166E 1000 MB
AND SECOND CENTER 48N174E 1004 MB. WITHIN 300 NM NE AND E OF A
FRONT TO EXTEND FROM 55N172E TO 50N180W TO 42N180W WINDS 25 TO 35
KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.12 HOUR FORECAST FROM 32N TO 41N BETWEEN 119W AND 126W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 3.5 M.
.24 HOUR FORECAST FROM 35N TO 43N BETWEEN 123W AND 127W AREA OF N
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 39N TO 45N BETWEEN 124W AND 128W AREA OF N
TO NE WINDS 20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 58N
BETWEEN 136W AND 157W...AND WITHIN 120 NM NE OF A LINE FROM
49N178W TO 54N169E.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 57N134W TO 58N144W TO 54N148W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 58N BETWEEN 172E AND
179E.
.LIGHT FREEZING SPRAY N OF A LINE FROM 59N143W TO 59N153W...AND N
OF A LINE FROM 55N161W TO 54N166W TO 55N175W TO 59N179E.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N150W
TO 54N160W TO 53N168W TO 54N174W TO 58N178E.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 60N150W
TO 56N153W TO 53N161W TO 54N167W TO 59N180W.
.FORECASTER HUFFMAN. 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 APR 2.
24 HOUR FORECAST VALID 1800 UTC FRI APR 3.
48 HOUR FORECAST VALID 1800 UTC SAT APR 4.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 29N136W TO 29N139W TO 27N139W TO 26N138W TO 26N136W TO
27N135W TO 29N136W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 30N131W TO 30N140W TO 27N140W TO
27N136W TO 28N132W TO 30N131W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 00N81W TO 01N93W TO 04N98W TO 04N105W TO 03.4S115W TO
03.4S81W TO 00N81W...INCLUDING THE GULF OF GUAYAQUIL AND EXCEPT
LEE OF GALAPAGOS ISLANDS... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN S SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 30N120W TO 30N127W TO 29N126W TO
29N123W TO 29N122W TO 30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 09N121W TO 11N122W TO 10N125W TO
08N125W TO 06N124W TO 06N121W TO 09N121W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S SWELL.
.48 HOUR FORECAST WITHIN 12N124W TO 13N126W TO 11N127W TO
08N126W TO 06N125W TO 07N122W TO 12N124W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1930 UTC THU APR 2...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N79W TO 06N94W. ITCZ FROM 06N94W TO
00N140W. SCATTERED MODERATE FROM 03N TO 08N BETWEEN 82W AND 92W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC APR 02 2026.
24 HOUR FORECAST VALID 1800 UTC APR 03 2026.
48 HOUR FORECAST VALID 1800 UTC APR 04 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 24N144W 1013 MB NEARLY STATIONARY. TROUGH FROM LOW TO 22N142W
18N143W NEARLY STATIONARY. WINDS 20 TO 30 KT FROM 29N TO 24N
BETWEEN 140W AND 148W. SEAS 2.5 TO 3 M FROM 28N TO 24N BETWEEN
142W AND 147W. ISOLATED MODERATE TO STRONG TSTMS WITHIN 210 NM
NE QUADRANT OF LOW.
.24 HOUR FORECAST LOW NEAR 23N144W 1014 MB. TROUGH 25N140W TO LOW
TO 21N143W. WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO LESS
THAN 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 27N140W 24N144W 21N145W.
.LOW 29N178W 1016 MB NEARLY STATIONARY. FRONT 30N175W 23N180W
MOVING E 10 KT.
.24 HOUR FORECAST LOW DISSIPATED. FRONT WEAKENED TO TROUGH 30N176W
26N180W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.E WINDS 20 TO 25 KT FROM 11N TO 11N BETWEEN 150W AND 170W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 11N BETWEEN 150W
AND 180W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 19N TO 10N BETWEEN 155W
AND 180W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M IN AREA BOUNDED BY 20N168W 14N155W 09N155W
05N180W
16N180W 20N168W...AND W OF LINE 27N180W 24N176W 19N180W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 17N TO 09N W OF 165W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 09N W OF 160W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TSTMS FROM 15N TO 11N W OF 175W.
.ITCZ 00N140W 05N179W. ISOLATED MODERATE TSTMS WITHIN 300 NM OF
OF ITCZ.
$$
.FORECASTER KINO. HONOLULU HI.=