HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED MAR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 MAR 25.
24 HOUR FORECAST VALID 0600 UTC MAR 26.
48 HOUR FORECAST VALID 0600 UTC MAR 27.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 50N137W 1005 MB MOVING NE 15 KT
AND SECOND CENTER 54N140W 1002 MB MOVING SW 05 KT. WITHIN 600 NM
SW SEMICIRCLE OF FIRST CENTER...WITHIN 360 NM E QUADRANT OF FIRST
CENTER...AND WITHIN 120 NM SW QUADRANT OF SECOND CENTER WINDS 25
TO 35 KT. SEAS 2.5 TO 4.5 M...HIGHEST SW OF FIRST CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH NEW MAIN CENTER 51N140W 1007
MB. FROM 43N TO 58N BETWEEN 133W AND 152W WINDS 25 TO 35 KT. SEAS
3 TO 5.5 M...HIGHEST NEAR 47N142W.
.48 HOUR FORECAST COMBINED LOW 55N136W 1009 MB. WITHIN 180 NM W
SEMICIRCLE...WITHIN 90 NM NE AND 120 NM SE QUADRANTS...AND WITHIN
90 NM SE OF A LINE FROM 53N130W TO 49N131W TO 45N139W WINDS 25 TO
40 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW 42N172W 1007 MB MOVING SE 15 KT. WITHIN 300 NM NE...420 NM
SE...240 NM SW...AND 360 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
3 TO 6 M. ELSEWHERE FROM 38N TO 49N W OF 166W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH NEW MAIN CENTER 42N159W 1016
MB. FROM 34N TO 47N BETWEEN 153W AND 169W WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 35N154W 1015 MB.
WITHIN 600 NM NW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.24 HOUR FORECAST FROM 31N TO 42N BETWEEN 121W AND 129W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 35N TO 44N BETWEEN 124W AND 130W AREA OF N
TO NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 48N131W 1010 MB MOVING SE 20 KT. WITHIN 180 NM NW OF A LINE
FROM LOW CENTER TO 42N132W TO 38N136W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS AS DESCRIBED
WITH LOW 51N140W ABOVE.
.48 HOUR FORECAST W OF A LINE FROM 59N179W TO 56N174W TO 44N173W
TO 39N177W AREA OF SE TO S WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
60N179W TO 51N180W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST FROM 55N TO 57N BETWEEN 136W AND 142W.
.LIGHT TO MODERATE FREEZING SPRAY N OF 54N BETWEEN 155W AND
168W..
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 53N
BETWEEN 155W AND 172W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 54N
BETWEEN 154W AND 169W.
.FORECASTER HYDE. 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 0600 UTC WED MAR 25.
24 HOUR FORECAST VALID 0600 UTC THU MAR 26.
48 HOUR FORECAST VALID 0600 UTC FRI MAR 27.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.24 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W 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.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 11N88W TO 10N88W 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.
.30 HOUR FORECAST WITHIN 30N122W TO 30N140W TO 27N140W TO 29N134W
TO 29N126W TO 30N122W WINDS 20 KT OR LESS. SEAS TO 2.5 IN NW TO
N SWELL.
.48 HOUR FORECAST WITHIN 30N119W TO 30N140W TO 27N140W TO
26N132W TO 28N121W TO 30N119W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3 M IN N TO NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0830 UTC WED MAR 25...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM 08N78W TO 05N90W. ITCZ AXIS EXTENDS FROM
05N90W TO 05N110W TO 05N120W TO 04N130W TO 03.5N140W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 60 NM OF THE ITCZ BETWEEN 117W
AND 121W. SCATTERED MODERATE WITHIN 60 NM N OF THE ITCZ BETWEEN
95W AND 98W AND WITHIN 30 NM OF THE ITCZ BETWEEN 128W AND 129W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAR 25 2026.
24 HOUR FORECAST VALID 0600 UTC MAR 26 2026.
48 HOUR FORECAST VALID 0600 UTC MAR 27 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH FROM 30N141W TO 22N150W MOVING N SLOWLY. NE WINDS 20 TO 25
KT AND SEAS 2.5 TO 3.0 M BETWEEN TROUGH AND 157W N OF 23N.
ISOLATED MODERATE TSTMS WITHIN 180 NM PRIMARILY W OF TROUGH N OF
24N.
.24 HOUR FORECAST NEW LOW 23N148W 1012 MB. TROUGH FROM 30N143W TO
LOW TO 19N150W. NE WINDS 20 TO 25 KT WITHIN 210 NM NW QUADRANT OF
LOW CENTER. SEAS 2.5 TO 3.0 M BETWEEN TROUGH AND 157W N OF 21N.
.48 HOUR FORECAST LOW NEAR 28N145W 1010 MB. TROUGH FROM LOW TO
25N145W TO 19N147W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3.0 M WITHIN
180 NM E SEMICIRCLE OF LOW.
.FRONT FROM 30N165E TO 24N163E TO 16N160E MOVING N SLOWLY.
ISOLATED
MODERATE TSTMS WITHIN 210 NM OF TROUGH S OF 23N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH FROM 30N168E TO
25N162E.
.48 HOUR FORECAST TROUGH FROM 30N166E TO 26N163E. SEAS 2.5 TO 3.O
M N AND W OF TROUGH.
.24 HOUR NEW TROUGH FROM 30N165W TO 26N160W MERGING WITH TROUGH
MENTIONED JUST ABOVE.
.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3.0 M BETWEEN 175W AND 172E FROM 12N TO 26N.
.24 HOUR FORECAST SEAS 2.5 M OR LESS.
.ELSEWHERE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.SCATTERED MODERATE TSTMS WITHIN 150 NM OF A LINE FROM 09N175E TO
00N167E.
.ITCZ FROM 05N140W TO 04N161W TO 09N175W TO 10N178W. ISOLATED
MODERATE TSTMS WITHIN 240 NM OF ITCZ.
$$
.FORECASTER BLOOD. HONOLULU HI.=