HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC FRI APR 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03.
24 HOUR FORECAST VALID 0600 UTC APR 04.
48 HOUR FORECAST VALID 0600 UTC APR 05.
.WARNINGS.
...GALE WARNING...
.LOW 55N139W 997 MB MOVING NE 10 KT THEN TURNING NW BY 12 HOURS.
WITHIN 120 NM NE AND E OF A FRONT EXTENDING FROM THE LOW TO
54N134W TO 50N130W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE
WITHIN 300 NM N AND NE SEMICIRCLES...540 NM SE AND 720 NM S
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 58N140W 1010 MB. WITHIN 120 NM NE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M. ELSEWHERE N OF 46N
BETWEEN 130W AND 143W WINDS LESS THAN 25 KT. SEAS TO 3
M...HIGHEST NEAR 50N140W.
.48 HOUR FORECAST LOW 59N145W 1021 MB. CONDITIONS DIMINISHED.
...GALE WARNING...
.24 HOUR FORECAST LOW W OF AREA 52N162E 988 MB. W OF A LINE FROM
55N174E TO 50N176E AREA OF SE WINDS 25 TO 35 KT. SEAS TO 4 M.
ELSEWHERE W OF A LINE FROM 58N177E TO 54N178W TO 45N180W WINDS
20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW W OF AREA 57N169E 1002 MB. WITHIN 300 NM
NE AND E OF A FRONT TO EXTEND FROM 57N174E TO 52N180W TO 47N178W
WINDS 20 TO 30 KT. SEAS TO 4 M.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 40N178W 1009 MB. WITHIN 360 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWHERE FROM 32N TO
47N W OF 172W WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 54N147W 1000 MB MOVING NE 10 KT. EXCEPT WHERE NOTED WITH
LOW 55N139W IN WARNINGS SECTION...WITHIN 600 NM S AND SW AND 300
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...EXCEPT N OF
51N SEAS TO 3 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N140W IN
WARNINGS SECTION.
.LOW 51N180W 1003 MB MOVING NW 05 KT. FROM 46N TO 55N BETWEEN
175W AND 175E WINDS 20 TO 30 KT. SEAS 3 TO 4.5 M...EXCEPT N OF
53N E OF 173E SEAS TO 3 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
52N162E IN WARNINGS SECTION ABOVE.
.FROM 31N TO 41N BETWEEN 118W AND 129W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 35N TO 43N BETWEEN 124W AND 128W AREA OF
N WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 41N TO 47N BETWEEN 124W AND 128W AREA OF
N WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN 58N AND A
LINE FROM 54N128W TO 56N140W...AND WITHIN 90 NM NE AND N OF A
LINE FROM 49N173W TO 52N180W.
.24 HOUR FORECAST DENSE FOG N OF 57N E OF 142W...AND FROM 52N TO
55N W OF 173E.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.LIGHT FREEZING SPRAY N OF A LINE FROM 54N162W TO 54N170W TO
59N179E.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N152W
TO 53N161W TO 54N170W TO 59N179E.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 59N152W
TO 55N155W TO 54N163W TO 60N180W.
.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 FRI APR 3.
24 HOUR FORECAST VALID 0600 UTC SAT APR 4.
48 HOUR FORECAST VALID 0600 UTC SUN APR 5.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 03N98W TO 06N99W TO 08N104W TO 00N103W TO 03.4S102W TO
03.4S94W TO 03N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N133W TO 30N140W TO 28N139W TO 29N133W TO 30N133W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.15 HOUR FORECAST WITHIN 30N119W TO 30N125W TO 29N124W TO
29N120W TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
TO N SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.33 HOUR FORECAST WITHIN 09N122W TO 30N119W TO 10N124W TO
08N125W TO 07N124W TO 07N122W TO 09N122W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.42 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 0900 UTC FRI APR 3...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 08N83W TO 04N93W. ITCZ AXIS
EXTENDS FROM 04N93W TO 02N115W TO 03N137W. SECOND ITCZ AXIS
EXTENDS FROM 01S86W TO 04S105W TO BEYOND 03S120W. SCATTERED
MODERATE TO ISOLATED STRONG FROM 04N TO 09N BETWEEN 83W AND
90W...AND WITHIN 55 NM OF 05S89W.
$$
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC APR 03 2026.
24 HOUR FORECAST VALID 0600 UTC APR 04 2026.
48 HOUR FORECAST VALID 0600 UTC APR 05 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 24N144W 1014 MB MOVING W SLOWLY. TROUGH FROM LOW TO 19N143W
NEARLY STATIONARY. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M IN AREA
BOUNDED BY 29N140W 26N140W 23N145W 26N147W 29N140W. ISOLATED
MODERATE TO STRONG TSTMS FROM 27N TO 23N E OF 141W.
.24 HOUR FORECAST LOW NEAR 23N144W 1015 MB. TROUGH 27N140W TO LOW
TO 20N144W. WINDS EASED TO 20 KT OR LESS AND SEAS LOWERED TO LESS
THAN 2.5 M.
.48 HOUR FORECAST LOW DISSIPATED. TROUGH 30N142W 20N142W.
.LOW 28N179W 1017 MB MOVING WSW SLOWLY. DISSIPATING STATIONARY
FRONT 30N174W 27N176W. OCCLUDED FRONT FROM LOW TO 30N179W NEARLY
STATIONARY. WINDS 20 TO 25 KT W OF OCCLUDED FRONT.
.24 HOUR FORECAST LOW DISSIPATED. OCCLUDED FRONT DISSIPATED.
STATIONARY FRONT WEAKENED TO TROUGH 30N178W 28N180W. WINDS EASED
TO 20 KT OR LESS.
.48 HOUR FORECAST TROUGH MERGED WITH NEW FRONT 30N176W 25N180W.
.E WINDS 20 TO 25 KT FROM 15N TO 10N BETWEEN 150W AND 170W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 10N BETWEEN 153W
AND 175W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT FROM 16N TO 10N W OF 155W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 15N TO 10N W OF 165W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 10N W OF 170W.
.48 HOUR FORECAST SEAS 2.5 M OR LOWER ENTIRE AREA.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 05N148W 06N165W 06N177W. ISOLATED MODERATE TSTMS WITHIN 180
NM N OF ITCZ BETWEEN 155W AND 165W.
$$
.FORECASTER WROE. HONOLULU HI.=