HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC TUE MAY 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
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 26.
24 HOUR FORECAST VALID 1800 UTC MAY 27.
48 HOUR FORECAST VALID 1800 UTC MAY 28.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 60N162W 990 MB NEARLY STATIONARY
AND SECOND CENTER 57N157W 990 MB MOVING E 05 KT. WITHIN 360 NM SE
AND 600 NM S QUADRANTS OF THE SECOND CENTER WINDS 25 TO 35 KT.
SEAS 4.5 TO 9 M. ELSEWHERE N OF A LINE FROM 57N136W TO 50N147W TO
43N170W TO 46N180W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 59N164W 1002 MB
AND SECOND CENTER 57N152W 1003 MB. FROM 48N TO 54N BETWEEN 159W
AND 170W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 44N
TO 55N BETWEEN 144W AND 172W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST COMBINED LOW 56N148W 1006 MB. FROM 45N TO 52N
BETWEEN 142W AND 158W WINDS 20 TO 30 KT. SEAS TO 4 M.
...GALE WARNING...
.FROM 35N TO 51N BETWEEN 122W AND 134W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST FROM 36N TO 43N BETWEEN 122W AND 129W AREA OF
NW TO N WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 32N TO
50N BETWEEN 119W AND 132W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST FROM 35N TO 50N BETWEEN 124W AND 131W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST LOW NW OF AREA 57N168E 1007 MB. FROM 49N TO 55N
BETWEEN 171W AND 169E WINDS 20 TO 30 KT. SEAS TO 4 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM E OF A
LINE FROM 49N146W TO 47N150W...AND FROM 57N TO 61N BETWEEN 169W
AND 174W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 58N BETWEEN 162W AND
167W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM N OF A LINE FROM 54N170W
TO 56N175W TO 57N176E.
.FORECASTER HUFFMAN. 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 TUE MAY 26.
24 HOUR FORECAST VALID 1800 UTC WED MAY 27.
48 HOUR FORECAST VALID 1800 UTC THU MAY 28.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.06 HOUR FORECAST WITHIN 30N126W TO 30N140W TO 28N140W TO
28N135W TO 30N126W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO
N SWELL.
.24 HOUR FORECAST WITHIN 30N118W TO 30N140W TO 25N140W TO
26N131W TO 28N120W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 28N115W TO 30N116W TO 30N140W TO
12N140W TO 15N126W TO 22N130W TO 23N121W TO 28N115W...INCLUDING
SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN NW TO N SWELL.
.WITHIN 17N129W TO 20N140W TO 12N140W TO 14N133W TO 14N124W TO
17N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 18N127W TO 20N133W TO 20N140W TO
11N140W TO 14N128W TO 18N127W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE.
.WITHIN 02N104W TO 03N110W TO 01N118W TO 03.4S120W TO 02S102W TO
02N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 30N115W TO
28N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.42 HOUR FORECAST WITHIN 31N113W TO 31N114W TO 30N115W TO
28N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.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 1945 UTC TUE MAY 26...
.TROUGH FROM 15N134W TO 10N140W...NUMEROUS MODERATE TO STRONG
FROM 08N TO 17N BETWEEN 133W AND 139W.
.SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM OF LINE FROM
13N91W TO 13N95W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 07N95W TO 09N105W
TO 10N118W TO 11N124W TO 12N133W. NUMEROUS MODERATE TO STRONG
WITHIN 240 NM N OF THE TROUGH BETWEEN 125W AND 133W. SCATTERED
MODERATE TO STRONG WITHIN 120 NM N OF THE TROUGH BETWEEN 113W AND
125W. SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 10N BETWEEN
82W AND 84W...WITHIN 180 NM S OF THE TROUGH BETWEEN 95W AND
102W...AND ALSO FROM 05N TO 09N BETWEEN 118W AND 126W. SCATTERED
MODERATE WITHIN 120 NM N OF THE TROUGH BETWEEN 105W AND 113W.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC MAY 26 2026.
24 HOUR FORECAST VALID 1800 UTC MAY 27 2026.
48 HOUR FORECAST VALID 1800 UTC MAY 28 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 08N140W 00N147W MOVING N SLOWLY. SCATTERED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 11N140W 00N147W.
.48 HOUR FORECAST TROUGH 12N140W 06N145W.
.FRONT 30N150W 29N145W 28N140W MOVING S SLOWLY.
.24 HOUR FORECAST WEAK FRONT 26N154W 26N140W.
.48 HOUR FORECAST WEAK FRONT 24N157W 24N140W.
.WINDS 20 TO 25 KT FROM 06N TO 25N E OF 171W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 19N E OF
161W...AND N OF 19N W OF 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT N OF 20N W OF 160W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3.0 M N OF 16N W OF 162W...AND FROM 06N TO 16N
BETWEEN 151W AND 171W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 27N W OF 153W...AND
BETWEEN
11N TO 17N E OF 148W...AND N OF 27N E OF 153W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF 12N W OF 155W...AND N OF
20N E OF 152W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 05N180W 03N174W 06N152W. ISOLATED MODERATE TSTMS WITHIN 240
NM OF ITCZ.
$$
.FORECASTER EVANS. HONOLULU HI.=