HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC WED APR 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 01.
24 HOUR FORECAST VALID 1200 UTC APR 02.
48 HOUR FORECAST VALID 1200 UTC APR 03.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N131W 989 MB MOVING SE 10 KT.
WITHIN 180 NM NE AND E OF A FRONT EXTENDING FROM 53N139W TO THE
LOW TO 47N127W TO 45N127W TO 41N130W...AND WITHIN 600 NM SW
QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE FROM 37N TO
56N BETWEEN 124W AND 148W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 37N TO 49N BETWEEN 124W
AND 139W WINDS TO 25 KT. SEAS 2.5 TO 5 M...HIGHEST NEAR 43N128W.
.36 HOUR FORECAST CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 52N169W 995 MB MOVING E 15 KT. FROM 44N TO 56N BETWEEN 156W
AND 179E WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 52N157W 998 MB. FROM 43N TO 50N BETWEEN
150W AND 169W WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM
42N TO 56N BETWEEN 139W AND 170W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 56N142W 1002 MB. FROM 49N TO 53N BETWEEN
127W AND 130W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM
47N TO 58N BETWEEN 127W AND 150W WINDS TO 25 KT. SEAS TO 3.5
M...HIGHEST SW.
...GALE WARNING...
.LOW W OF AREA 31N179E 1012 MB MOVING SE 05 KT. FROM 30N TO 37N
BETWEEN 175W AND 180W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW S OF AREA 29N179W 1017 MB. CONDITIONS
DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 48N176E 1001 MB. FROM 41N TO 49N
BETWEEN 177W AND 180W WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 50N178W 1006 MB. FROM 48N TO 53N BETWEEN
172W AND 179E WINDS 20 TO 30 KT. SEAS TO 4 M...HIGHEST NEAR
50N178W.
...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 53N167E 995 MB. FROM 50N TO 56N
BETWEEN 168E AND 179E WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE WITH
LOW 50N178W.
.SYNOPSIS AND FORECAST.
.36 HOUR FORECAST FROM 32N TO 40N BETWEEN 118W AND 125W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 32N TO 41N BETWEEN 120W AND 127W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 4 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 54N
BETWEEN 131W AND 138W...AND FROM 46N TO 55N BETWEEN 155W AND
177W.
.24 HOUR FORECAST DENSE FOG FROM 51N TO 57N BETWEEN 140W AND
162W...AND FROM 52N TO 55N BETWEEN 169E AND 176E.
.48 HOUR FORECAST DENSE FOG FROM 56N TO 58N BETWEEN 142W AND
149W...AND WITHIN 60 NM EITHER SIDE OF A LINE FROM 48N168W TO
51N175W TO 51N177E.
.LIGHT FREEZING SPRAY N OF A LINE FROM 59N143W TO 59N152W TO
56N158W...AND N OF A LINE FROM 56N170W TO 58N179W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N139W
TO 60N147W TO 59N153W...AND N OF A LINE FROM 54N161W TO 55N170W
TO 57N179W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 60N144W
TO 59N152W TO 54N160W TO 53N165W TO 55N175W TO 58N178E.
.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 1200 UTC WED APR 1.
24 HOUR FORECAST VALID 1200 UTC THU APR 2.
48 HOUR FORECAST VALID 1200 UTC FRI APR 3.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.15 HOUR FORECAST CONDITIONS IMPROVE.
.06 HOUR FORECAST WITHIN 02S100W TO 02S105W TO 03S111W TO
03.4S111W TO 03.4S94W TO 02S100W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S SWELL.
.24 HOUR FORECAST WITHIN 02S84W TO 01S94W TO 00N100W TO 02S105W
TO 03.4S115W TO 03.4S82W TO 02S84W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE.
.30 HOUR FORECAST WITHIN 30N115W TO 30N116W TO 29N116W TO
29N115W TO 30N115W NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.48 HOUR FORECAST WITHIN 30N133W TO 30N137W TO 29N137W TO
29N133W TO 30N133W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1200 UTC WED APR 1...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH FROM 08N77W TO 06N97W. ITCZ FROM 06N97W TO
05N115W TO 06N140W. SECOND ITCZ FROM 03S88W TO 02S103W TO
03S120W. SCATTERED MODERATE FROM 03N TO 08N BETWEEN 81N AND
98W...FROM 04N TO 07N BETWEEN 124W AND 129W...AND FROM 03N TO
08N BETWEEN 136W AND 140W.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC APR 01 2026.
24 HOUR FORECAST VALID 1200 UTC APR 02 2026.
48 HOUR FORECAST VALID 1200 UTC APR 03 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW JUST NW OF AREA MOVING ESE 10 KT. FRONT 30N179W 27N180W
MOVING
E 10 KT. WINDS 20 TO 25 KT WITHIN 150 NM E OF FRONT. ISOLATED
MODERATE TSTMS BETWEEN FRONT AND 175W N OF 28N.
.24 HOUR FORECAST NEW LOW NEAR 29N179W 1017 MB. DISSIPATING FRONT
30N176W 26N177W. WINDS EASED TO 20 KT OR LESS.
.48 HOUR FORECAST LOW DISSIPATED. FRONT WEAKENED TO TROUGH 30N177W
27N180W.
.TROUGH 24N140W 17N145W NEARLY STATIONARY.
.24 HOUR FORECAST NEW LOW NEAR 24N144W 1013 MB. TROUGH FROM LOW TO
16N143W. WINDS 20 TO 25 KT FROM 28N TO 24N BETWEEN 142W AND 147W.
.48 HOUR FORECAST LOW NEAR 23N145W 1013 MB. TROUGH FROM LOW TO
17N143W. WINDS EASED TO 20 KT OR LESS.
.E WINDS 20 TO 25 KT FROM 25N TO 12N BETWEEN 153W AND 170W...FROM
16N TO 12N BETWEEN 170W AND 175W...AND S OF 16N W OF 175W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 18N TO 11N BETWEEN 153W
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 29N165W 28N149W 15N153W
10N165W
02N180W 20N180W 29N165W...AND N OF LINE 30N177W 28N180W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 20N165W
16N155W 11N155W 10N165W 05N180W 15N180W 20N165W...AND W OF LINE
30N179W 26N177W 23N180W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 10N W OF 155W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ISOLATED MODERATE TO STRONG TSTMS S OF 06N W OF 178W. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF POINT 25N148W.
.ITCZ 06N140W 04N150W. ISOLATED MODERATE TSTMS WITHIN 150 NM OF
ITCZ.
$$
.FORECASTER WROE. HONOLULU HI.=