HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 MAY 02.
24 HOUR FORECAST VALID 0600 UTC MAY 03.
48 HOUR FORECAST VALID 0600 UTC MAY 04.
.WARNINGS.
...STORM WARNING...
.LOW 45N161W 1010 MB MOVING NE 10 KT. N OF 30N...WITHIN 480 NM
NE...600 NM SE...AND 1080 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS 3 TO 5 M.
.06 HOUR FORECAST LOW 46N160W 1009 MB. WITHIN 240 NM NE...AND
540 S AND SE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 48N157W 1009
MB...A SECOND NEW CENTER 40N157W 1008 MB...AND A THIRD NEW
CENTER 52N156W 1009 MB. WITHIN 240 NM E SEMICIRCLE OF FIRST
CENTER...AND WITHIN 360 NM OF SECOND NEW CENTER...EXCEPT NW
QUADRANT...WINDS 25 TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE FROM
30N TO 56N BETWEEN 166W AND 145W WINDS 20 TO 30 KT. SEAS 2.5
TO 5 M.
.48 HOUR FORECAST COMBINED LOW 48N154W 988 MB. WITHIN 180 NM
E AND S SEMICIRCLES WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ALSO
WITHIN 360 NM E SEMICIRCLE...AND WITHIN 420 NM SW AND 300 NM
NW QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 7 M. ELSEWHERE FROM
38N TO 60N BETWEEN 165W AND 143W WINDS 20 TO 30 KT. SEAS 3 TO
6 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 59N165W 992 MB MOVING NE 15 KT
WITH A FRONT EXTENDING FROM 60N150W TO 57N139W TO 55N136W. N
AND NW OF FRONT W OF 139W...WINDS 30 TO 45 KT. SEAS 3 TO 5.5
M. ELSEWHERE FROM 45N TO 61N W OF 136W WINDS 20 TO 30 KT.
SEAS 2.5 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER DISSIPATED
INLAND OVER ALASKA...WITH A SECONDARY CENTER 49N168W 1012 MB.
WITHIN 480 NM S AND SW...AND 300 NM NW QUADRANTS WINDS TO 25
KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 48N154W
DESCRIBED ABOVE.
...GALE WARNING...
.LOW 41N131W 1022 MB MOVING S 10 KT. FROM 34N TO 54N BETWEEN
138W AND 123W N TO NW WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 39N TO 54N BETWEEN
137W AND 126W N WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.36 HOUR FORECAST FROM 51N TO 53N E OF 132W NW WINDS 25 TO 35
KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 51N TO 54N E OF 133W NW WINDS 25 TO 35
KT. SEAS 3 TO 4 M. ELSEWHERE N OF 46N E OF 136W WINDS TO 25 KT.
SEAS TO 3 M.
...GALE WARNING...
.36 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER NEAR
49N167E 982 MB. WITHIN 540 NM E AND NE QUADRANTS WINDS 25 TO 35
KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER NEAR
49N172E 991 MB. WITHIN 480 NM E AND NE QUADRANTS WINDS 25 TO 35
KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 34N TO 55N W OF 171W WINDS
20 TO 30 KT. SEAS 2.5 TO 4 M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 51N BETWEEN
175W AND 159W...N OF 55N BETWEEN 151W AND 137W...AND WITHIN 90
NM E OF A FRONT EXTENDING FROM 42N163W TO 49N157W.
.24 HOUR FORECAST DENSE FOG N OF 56N BETWEEN 165W AND 160W...
AND FROM 50N TO 58N BETWEEN 158W AND 144W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 52N W OF 173W...AND
N OF 46N BETWEEN 160W AND 145W.
.FORECASTER MILLS. 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 SAT MAY 2.
24 HOUR FORECAST VALID 0600 UTC SUN MAY 3.
48 HOUR FORECAST VALID 0600 UTC MON MAY 4.
.WARNINGS.
...GALE WARNING...
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST WITHIN 16N94.5W TO 16N95W TO 15N95W TO
15N94.5W TO 16N94.5W...INCLUDING GULF OF TEHUANTEPEC...N WINDS 30
TO 35 KT. SEAS 3.0 TO 3.5 M. ELSEWHERE WITHIN 16N94W TO 16N95W
TO 14N95W TO 14N94W TO 15N94W TO 16N94W N WINDS 20 TO 30 KT. SEAS
2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST WITHIN 15N93W TO 16N94W TO 16N95W TO 13N95W TO
13N94W TO 14N93W TO 15N93W...INCLUDING GULF OF TEHUANTEPEC...N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN N SWELL.
.SYNOPSIS AND FORECAST.
.WITHIN 15N134W TO 18N138W TO 23N140W TO 09N140W TO 09N137W TO
11N134W TO 15N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.24 HOUR FORECAST WITHIN 15N131W TO 18N136W TO 18N140W TO
11N140W TO 11N131W TO 15N131W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 14N131W TO 15N137W TO 20N140W TO
10N140W TO 11N134W TO 14N131W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0800 UTC SAT MAY 2...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
SURFACE TROUGH AXIS EXTENDS FROM 07N78W TO 07N100W TO 08N120W.
ITCZ AXIS EXTENDS FROM 08N120W TO 07N133W. NUMEROUS MODERATE TO
SCATTERED STRONG FROM 03N TO 12N BETWEEN 77W AND 88W. SCATTERED
MODERATE FROM 03N TO 08N BETWEEN 98W AND 104W...AND FROM 07N TO
11N BETWEEN 123W AND 133W.
$$
.FORECASTER CHAN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC MAY 02 2026.
24 HOUR FORECAST VALID 0600 UTC MAY 03 2026.
48 HOUR FORECAST VALID 0600 UTC MAY 04 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT FROM 30N169N TO 23N176W MOVING E 20 KT.
.24 HOUR FORECAST FRONT FROM 30N159N TO 26N163W. WINDS 20 TO 25
KT WITHIN 210 NM W OF FRONT...AND FROM 20N TO 25N W OF 163W. SEAS
2.5 M TO 3 M W OF FRONT AND THEN W OF LINE FROM 26N163W TO
21N180W.
.48 HOUR FORECAST FRONT TRANSITIONING TO TROUGH FROM 30N156W TO
25N160W. SEAS 2.5 M TO 3 M W OF FRONT AND THEN BETWEEN TWO LINES
FROM 25N160W TO 15N180W AND 25N174W TO 26N180W.
.TROUGH FROM 30N168W TO 24N171W MOVING E 10 KT.
.12 HOUR FORECAST TROUGH MERGED WITH FRONT ABOVE FROM 30N164W TO
25N171W.
.WEAK TROUGH FROM 16N140W TO 12N152W NEARLY STATIONARY. ISOLATED
TSTMS WITHIN 90 NM OF TROUGH E OF 141W.
.12 HOUR TROUGH DISSIPATED.
.WINDS 20 TO 25 KT FROM 18N TO 19N BETWEEN 154W TO 158W...AND FROM
16N TO 18N E OF 149W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR BELOW.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 90 NM EITHER SIDE OF A
LINE FROM 25N164W TO 22N180W...AND FROM 07N TO 13N W OF 177W.
.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M BETWEEN ITCZ AND A LINE FROM 26N145W TO 15N180W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M BETWEEN ITCZ AND A LINE FROM
24N145W TO 14N180W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M BETWEEN ITCZ AND A LINE FROM
20N145W TO 15N180W.
.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.SCATTERED TSTMS WITHIN 90 NM OF 05N142W.
.ITCZ FROM 10N140W TO 04N172W TO 04N180W. SCATTERED MODERATE TSTMS
210 NM EITHER SIDE OF ITCZ W OF 160W.
$$
.FORECASTER BLOOD. HONOLULU HI.=