HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE MAR 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24.
24 HOUR FORECAST VALID 0600 UTC MAR 25.
48 HOUR FORECAST VALID 0600 UTC MAR 26.
.WARNINGS.
...STORM WARNING...
.LOW 44N135W 998 MB MOVING NE 25 KT. WITHIN 240 NM NE...360 NM
SE...300 NM SW...AND 180 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
2.5 TO 4.5 M.
.12 HOUR FORECAST LOW 49N129W 989 MB. WITHIN 180 NM E AND 360 NM
SE QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW 52N124W 999 MB. WITHIN 360 NM SW QUADRANT
WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW DISSIPATED INLAND. ASSOCIATED CONDITIONS
DIMINISHED.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 52N145W 1006 MB MOVING SE 10 KT
AND SECOND CENTER 55N138W 1008 MB MOVING NW 05 KT. WITHIN 300 NM
SW QUADRANT OF FIRST CENTER AND WITHIN 90 NM NE QUADRANT OF
SECOND CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N137W 1003 MB.
WITHIN 480 NM SE AND 600 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
3 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH NEW MAIN CENTER 55N138W 1005
MB. FROM 43N TO 58N BETWEEN 133W AND 151W WINDS 25 TO 35 KT. SEAS
3 TO 5.5 M...HIGHEST NEAR 47N142W.
...GALE WARNING...
.LOW 42N179W 1014 MB MOVING E 10 KT. W OF A LINE FROM 58N178E TO
43N169W TO AREA OF SE WINDS AND WITHIN 120 NM W SEMICIRCLE WINDS
25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 42N172W 1005 MB. WITHIN 300 NM NE...420 NM
SE AND 300 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6
M...HIGHEST SW OF LOW.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 41N159W 1016 MB.
FROM 35N TO 46N BETWEEN 153W AND 169W WINDS 20 TO 30 KT. SEAS 2.5
TO 4.5 M...HIGHEST SW OF LOW.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
58N176E TO 54N179W TO 52N179W...FROM 43N TO 47N BETWEEN 175W AND
178W...AND FROM 44N TO 50N BETWEEN 131W AND 140W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 52N E OF 134W AND W OF A
LINE FROM 60N179W TO 53N179W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 56N154W TO
54N162W TO 54N169W TO 57N173W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 51N W OF
178W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 54N
BETWEEN 155W AND 173W.
.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 TUE MAR 24.
24 HOUR FORECAST VALID 0600 UTC WED MAR 25.
48 HOUR FORECAST VALID 0600 UTC THU MAR 26.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO 15.5N95.5W TO
15.5N94.5W
TO 16N94.5W...INCLUDING THE GULF OF TEHUANTEPEC...NW TO N WINDS
20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N96W TO
14N95W TO 14N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...NW
TO N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 16N95.5W TO
15N95.5W TO 15N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE GULF
OF TEHUANTEPEC...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 11N86W TO 12N86W TO 12N88W TO 11N88W TO 10N88W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 12N88W TO 11N88W TO
10N88W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST STATIONARY FRONT FROM 30N139W TO 29N140W. NW
OF FRONT...WITHIN 30N139W TO 30N140W TO 29N140W TO 30N139W WINDS
20 KT OR LESS. SEAS TO 2.5 M IN NW TO N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 30N139W TO 29N140W.
WITHIN 30N136W TO 30N140W TO 29N140W TO 30N137W TO 30N136W WINDS
20 KT OR LESS. SEAS 2.5 M IN NW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0815 UTC TUE MAR 24...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
TROUGH EXTENDS FROM 08N78W TO 06N90W. ITCZ EXTENDS FROM 06N90W
TO 05N104W TO 05N115W TO 05N125W TO 04N140W. SCATTERED MODERATE
WITHIN 120 NM N OF THE ITCZ BETWEEN 102W AND 105W AND WITHIN
60 NM S OF THE ITCZ BETWEEN 111W AND 114W AND BETWEEN 127W AND
131W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAR 24 2026.
24 HOUR FORECAST VALID 0600 UTC MAR 25 2026.
48 HOUR FORECAST VALID 0600 UTC MAR 26 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.COLD FRONT 30N142W 24N148W THENCE TROUGH 18N152W 15N157W. COLD
FRONT AND TROUGH MOVING E SLOWLY. SCATTERED MODERATE TSTMS N OF
17N BETWEEN 155W AND 142W.
.24 HOUR FORECAST COLD FRONT 30N141W 27N144W THENCE TROUGH
21N151W. NE WINDS 20 TO 30 KT N OF LINE 30N156W 21N165W 22N151W
30N141W.
.48 HOUR FORECAST FRONT MOVED NE OF AREA. TROUGH 27N144W 23N148W
15N149W. NE WINDS 20 TO 30 KT N OF LINE 30N150W 27N152W 30N143W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 15N TO 24N W OF 163W...AND N OF 25N BETWEEN
172W AND 148W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 12N180W 16N163W
21N158W 21N151W 30N141W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 28N140W 10N166W
19N152W 28N140W...EXCEPT N OF 25N W OF 160W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 04N140W 05N146W 07N158W 07N167W 04N176W. ISOLATED MODERATE
TSTMS WITHIN 210 NM OF ITCZ.
$$
.FORECASTER PIERCE. HONOLULU HI.=