HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN MAY 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 1200 UTC MAY 24.
24 HOUR FORECAST VALID 1200 UTC MAY 25.
48 HOUR FORECAST VALID 1200 UTC MAY 26.
.WARNINGS.
...STORM WARNING...
.LOW 51N146W 980 MB MOVING E 20 KT. FROM 43N TO 54N BETWEEN 135W
AND 154W WINDS 35 TO 45 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE FROM 40N
TO 55N BETWEEN 133W AND 167W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5
M.
.06 HOUR FORECAST LOW 52N143W 979 MB. WITHIN 300 NM NE...420 NM
SE...480 NM SW...AND 240 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS
4 TO 8 M.
.24 HOUR FORECAST LOW 51N133W 989 MB. WITHIN 420 NM SW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4.5 TO 8.5 M...HIGHEST NEAR 48N137W.
ELSEWHERE FROM 39N TO 56N BETWEEN 124W AND 145W WINDS 25 TO 35
KT. SEAS 3 TO 6 M. ALSO FROM 37N TO 57N BETWEEN 125W AND 155W
WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 44N125W 1008 MB. FROM 31N TO 55N BETWEEN
123W AND 148W WINDS 20 TO 30 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR
45N129W.
...STORM WARNING...
.LOW W OF AREA 44N175E 976 MB MOVING NE 25 KT. FROM 37N TO 50N
BETWEEN 180W AND 174W WINDS 35 TO 45 KT. SEAS 3 TO 4.5 M.
ELSEWHERE FROM 34N TO 51N BETWEEN 180W AND 169W WINDS 20 TO 30
KT. SEAS TO 3 M.
.06 HOUR FORECAST LOW JUST W OF AREA 47N177E 974 MB. FROM 42N TO
53N BETWEEN 180W AND 169W WINDS 35 TO 50 KT. SEAS 4 TO 8 M.
.24 HOUR FORECAST LOW 51N174W 969 MB. WITHIN 480 NM SE SEMICIRCLE
WINDS 40 TO 55 KT. SEAS 5 TO 11 M...HIGHEST NEAR 48N174W.
ELSEWHERE FROM 41N TO 59N W OF 154W WINDS 25 TO 40 KT. SEAS 4.5
TO 8.5 M...HIGHEST WITHIN 360 NM S QUADRANT OF LOW. ALSO S OF 58N
W OF 157W...WINDS 20 TO 30 KT. SEAS 2.5 TO 6.5 M.
.48 HOUR FORECAST LOW 56N166W 978 MB. N OF 45N BETWEEN 145W AND
175W WINDS 20 TO 30 KT. SEAS 2.5 TO 6 M.
.SYNOPSIS AND FORECAST.
.FROM 39N TO 55N BETWEEN 133W AND 167W WINDS TO 25 KT. SEAS TO
2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 52N TO 54N
BETWEEN 139W AND 152W...FROM 39N TO 50N W OF 166W...AND FROM 55N
TO 60N BETWEEN 160W AND 169W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 56N BETWEEN 154W AND
162W...AND FROM 48N TO 57N BETWEEN 164W AND 180W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 58N BETWEEN 162W AND 172W
AND WITHIN 60 NM NW OF A LINE FROM 43N155W TO 48N146W.
.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 1200 UTC SUN MAY 24.
24 HOUR FORECAST VALID 1200 UTC MON MAY 25.
48 HOUR FORECAST VALID 1200 UTC TUE MAY 26.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 17N115W TO 17N124W TO 13N131W TO 13N140W TO 07N135W TO
12N114W TO 17N115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 15N113W TO 17N120W TO 19N129W TO
16N132W TO 13N127W TO 10N114W TO 15N113W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 15N123W TO 19N132W TO 18N140W TO
13N140W TO 14N131W TO 12N119W TO 15N123W NE TO E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.WITHIN 02N98W TO 04N107W TO 02N122W TO 00N125W TO 03.4S120W TO
03.4S92W TO 02N98W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 00N101W TO 00N109W TO 03.4S113W TO
03.4S96W TO 00N101W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 02S107W TO 01S113W TO 01S118W TO
03.4S120W TO 03.4S104W TO 02S107W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 1500 UTC SUN MAY 24...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 08N85W. ITCZ FROM 08N85W TO
09N125W TO BEYOND 07N140W. SCATTERED MODERATE TO ISOLATED STRONG
FROM 04N TO 08N BETWEEN 83W AND 87W. SCATTERED MODERATE
FROM 12N TO 14N BETWEEN 114W AND 117W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC MAY 24 2026.
24 HOUR FORECAST VALID 1200 UTC MAY 25 2026.
48 HOUR FORECAST VALID 1200 UTC MAY 26 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.TROUGH 11N174W 08N175W 07N179W 01N180W MOVING W 15 KT.
.24 HOUR FORECAST TROUGH 07N180W 10N178W.
.48 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 05N159W 09N168W MOVING SW 15 KT. SCATTERED MODERATE TSTMS
WITHIN 60 NM EITHER SIDE OF TROUGH W OF 163W.
.24 HOUR FORECAST TROUGH DISSIPATED.
.NE TO E WINDS 20 TO 25 KT 29N157W 27N150W 24N150W 16N155W
20N175W 26N169W 29N157W...FROM 10N TO 15N BETWEEN 163W AND
154W...AND FROM 09N TO 11N BETWEEN 177W AND 174W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY
29N153W 13N151W 13N160W 09N160W 07N170W 10N180W 14N180W 27N167W
29N153W.
.48 HOUR FORECAST NE TO E WINDS FROM 11N TO 19N BETWEEN 160W AND
150W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3.5 M IN AREA BOUNDED BY 30N155W 30N146W 05N150W
06N180W 25N180W 30N155W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 28N154W
08N156W 08N180W 25N180W 28N154W...AND N OF LINE 27N180W 30N176W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M W OF LINE 30N165W 25N160W
10N165W 10N180W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 08N140W 08N145W 06N150W 06N154W 01N159W 01N168W. ISOLATED
TO SCATTERED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF ITCZ.
.ISOLATED MODERATE TSTMS ELSEWHERE S OF 12N W OF 156W.
$$
.FORECASTER JELSEMA. HONOLULU HI.=