HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 02.
24 HOUR FORECAST VALID 1800 UTC MAY 03.
48 HOUR FORECAST VALID 1800 UTC MAY 04.
.WARNINGS.
...STORM WARNING...
.LOW 44N159W 1010 MB MOVING NE 30 KT. WITHIN 360 NM SE OF A LINE
FROM 52N152W TO 49N157W TO LOW CENTER TO 38N160W TO 33N162W WINDS
25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 56N155W 1011 MB
AND A SECOND NEW CENTER 44N155W 1001 MB. WITHIN 240 NM E AND 120
NM SW SEMICIRCLE WINDS 35 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE FROM
30N TO 59N BETWEEN 142W AND 175W WINDS 25 TO 40 KT. SEAS 2.5 TO
4.5 M.
.30 HOUR FORECAST LOW 45N154W 990 MB. WITHIN 180 NM N SEMICIRCLE
AND 120 NM S SEMICIRCLE WINDS 40 TO 55 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST COMBINED LOW 52N153W 988 MB. WITHIN 180 NM E
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 4 TO 7 M. ALSO WITHIN 420 NM E
AND 360 NM W SEMICIRCLES WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
ELSEWHERE FROM 33N TO 58N BETWEEN 144W AND 163W WINDS 20 TO 30
KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.FROM 33N TO 53N BETWEEN 138W AND 123W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 46N TO 54N BETWEEN 127W AND 134W AREA OF
NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 31N TO 54N
BETWEEN 125W AND 139W AREA OF N WINDS 20 TO 30 KT. SEAS TO 3.5
M.
.48 HOUR FORECAST FROM 50N TO 55N BETWEEN 130W AND 135W AREA OF
NW WINDS TO 25 KT. SEAS TO 2.5 M.
...GALE WARNING...
.24 HOUR FORECAST COMPLEX LOW W OF AREA WITH MAIN CENTER 49N167E
988 MB. WITHIN 480 NM NE AND 840 NM SE QUADRANTS WINDS 25 TO 35
KT. SEAS 3 TO 4.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 46N174W 1003
MB. FROM 35N TO 51N W OF 166W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
ELSEWHERE FROM 38N TO 55N W OF 171W WINDS 20 TO 30 KT. SEAS 2.5
TO 4 M.
.SYNOPSIS AND FORECAST.
.COMPLEX LOW WITH MAIN CENTER 51N170W 1008 MB MOVING SE 15 KT.
FROM 30N TO 57N W OF 164W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 44N155W
DESCRIBED ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM NW OF A
LINE FROM 50N171W TO 59N162W AND WITHIN 120 NM NW OF A LINE FROM
46N159W TO 51N154W TO 52N150W TO 52N147W.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 55N BETWEEN 152W AND
155W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
51N156W TO 56N158W AND WITHIN 60 NM NE OF A LINE FROM 49N179W TO
47N170W.
.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 1800 UTC SAT MAY 02.
24 HOUR FORECAST VALID 1800 UTC SUN MAY 03.
48 HOUR FORECAST VALID 1800 UTC MON MAY 04.
.WARNINGS.
...GALE WARNING...
.12 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF
OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS BUILDING TO 2.5 M.
.18 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF
OF TEHUANTEPEC...N WINDS 25 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE N
OF 14N BETWEEN 94W AND 95.5W N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
GULF
OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 3 TO 4 FT. ELSEWHERE
WITHIN 45 NM OF A LINE FROM 16N95W TO 15N95W TO 13N95.5W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.42 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 14N95W TO
11.5N96W N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST FROM 11N TO 14N BETWEEN 95W AND 96.5W WINDS 20
KT
OR LESS. SEAS 2.5 M IN N SWELL.
.SYNOPSIS AND FORECAST.
.FROM 10N TO 15N W OF 134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN
NE TO E SWELL.
.24 HOUR FORECAST FROM 12N TO 16N W OF 135W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.36 HOUR FORECAST FROM 11N TO 15N W OF 135W NE TO E WINDS 20 TO
25
KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST FROM 08N TO 13N W OF 131W NE TO E WINDS 20 TO
25
KT. SEAS 2.5 TO 3.0 M.
.30 HOUR FORECAST GULF OF CALIFORNIA N OF 30N W OF 114W S WINDS
20
TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST 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 2100 UTC SAT MAY 2...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
A SURFACE TROUGH EXTENDS WESTWARD FROM A 1009 MB LOW PRESSURE
LOCATED NEAR THE COAST OF COLOMBIA TO 08N85W TO 07N99W. THE ITCZ
CONTINUES FROM 07N99W TO 05N120W TO 08N140W. A LARGE AREA OF
MODERATE TO STRONG CONVECTION COVERS THE WATERS FROM 04N TO 10N E
OF
88W TO THE COAST OF COLOMBIA...INCLUDING THE GULF OF PANAMA.
SCATTERED MODERATE CONVECTION IS OCCURRING FROM 09N TO 13N W OF
135W.
.FORECASTER GR. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC MAY 02 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 03 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 04 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT FROM 30N164W TO 24N172W MOVING E 15 KT. WINDS 20 TO 25 KT
WITHIN AREA BOUNDED BY 30N175W 30N164W 22N174W 22N180W 28N180W
30N175W. SEAS 2.5 M T0 3 M W OF LINE FROM 30N169W TO 24N180W.
.24 HOUR FORECAST FRONT FROM 30N155N TO 26N161W. WINDS 20 TO 25
KT WITHIN AREA BOUNDED BY 30N159W 30N156W 17N180W 26N180W 30N159W.
SEAS 2.5 M TO 3 M WITHIN AREA BOUNDED BY 30N175W 30N161W 17N180W
28N180W 30N175W.
.48 HOUR FORECAST FRONT TRANSITIONING TO TROUGH FROM 30N153W TO
25N160W. SEAS 2.5 M TO 3 M WITHIN AREA BOUNDED BY 30N157W 30N155W
14N180W 24N180W 30N157W.
.WEAK TROUGH FROM 27N166W TO 22N167W MOVING E SLOWLY.
.12 HOUR FORECAST TROUGH MERGED WITH FRONT ABOVE FROM 30N164W TO
24N172W.
.TROUGH FROM 11N142W TO 07N149W MOVING W SLOWLY. ISOLATED
TSTMS WITHIN 360 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.
.WINDS 20 TO 25 KT FROM 18N TO 08N BETWEEN 156W TO 180W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 10N BETWEEN
145W TO 180W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 09N BETWEEN
145W TO 180W.
.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M WITHIN AREA BOUNDED BY 30N149W 21N140W 10N140W
07N180W 15N180W 30N149W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M WITHIN AREA BOUNDED BY 20N150W
20N140W 11N140W 10N180W 15N180W 20N150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M WITHIN AREA BOUNDED BY 18N150W
18N140W 10N140W 07N180W 15N180W 18N150W.
.OTHERWISE...SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ FROM 06N154W TO 05N170W TO 04N179W TO 06N174W. SCATTERED
TSTMS 240 NM N OF ITCZ. ISOLATED TSTMS 180NM S OF ITCZ
$$
.FORECASTER KINO. HONOLULU HI.=