HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT MAY 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAY 09.
24 HOUR FORECAST VALID 0000 UTC MAY 10.
48 HOUR FORECAST VALID 0000 UTC MAY 11.
.WARNINGS.
...GALE WARNING...
.LOW 53N145W 979 MB MOVING N 10 KT WILL TURN NW AFTER
24 HOURS. WITHIN 480 NM NE...600 NM E AND SE...960 NM S
AND SW...AND 240 NM NW QUADRANTS WINDS 25 TO 40 KT.
SEAS 3 TO 5.5 M. ELSEWHERE FROM 34N TO 60N BETWEEN
128W AND 166W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 57N145W 985 MB. WITHIN 300 NM
NE...420 NM S AND SE...AND 240 NM NW QUADRANTS WINDS
25 TO 40 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE FROM 42N TO 61N
BETWEEN 128W AND 154W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 59N152W 1000 MB. N OF 55N
BETWEEN 145W AND 156W WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW 47N176W 1007 MB MOVING SE 20 KT. WITHIN 420 NM SE
AND 600 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS
TO 3 M.
.24 HOUR FORECAST LOW 46N161W 996 MB. WITHIN 540 NM S
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
ELSEWHERE FROM 34N TO 47N W OF 154W WINDS 20 TO 30
KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 44N150W 998 MB. FROM 33N TO 46N
BETWEEN 141W AND 157W WINDS 25 TO 35 KT. SEAS 3.5 TO 6
M. ELSEWHERE FROM 31N TO 48N BETWEEN 138W AND 160W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.36 HOUR FORECAST LOW W OF AREA NEAR 51N166E 980 MB.
FROM 41N TO 51N W OF 176W WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW W OF AREA NEAR 51N172E 980 MB.
FROM 41N TO 52N W OF 167W WINDS 25 TO 35 KT. SEAS 2.5 TO
4 M. ELSEWHERE W OF A LINE FROM 37N177W TO 40N165W TO
46N164W TO 52N168W TO 56N175W WINDS 20 TO 30 KT. SEAS
TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 55N180W 1007 MB MOVING NW 15 KT. WITHIN 240 NM NE
SEMICIRCLE WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS
MOVED W OF AREA.
.FROM 31N TO 40N BETWEEN 117W AND 125W AREA OF NW
WINDS TO 25 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 30N TO 41N BETWEEN 119W AND
126W AREA OF NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 32N TO 43N BETWEEN 120W AND
127W AREA OF NW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 56N
E OF 155W.
.24 HOUR FORECAST DENSE FOG N OF LINE FROM 52N128W
TO 57N154W.
.48 HOUR FORECAST DENSE FOG N AND NE OF A LINE FROM
50N127W TO 58N137W TO 59N154W...AND FROM 45N TO 57N
W OF 170W.
.FORECASTER MILLS. 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 0000 UTC SAT MAY 9.
24 HOUR FORECAST VALID 0000 UTC SUN MAY 10.
48 HOUR FORECAST VALID 0000 UTC MON MAY 11.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 15N123W TO 18N140W TO 09N137W TO 08N118W TO 09N116W TO
15N123W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 18N136W TO 21N140W TO 16N139W TO
09N140W TO 11N138W TO 16N138W TO 18N136W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED NE AND NW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 02S94W TO 01S109W TO 00N115W TO 01S120W TO 03.4S120W TO
03.4S92W TO 02S94W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SW AND SE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.36 HOUR FORECAST WITHIN 30N120.5W TO 30N123.5W TO 29.5N123.5W
TO 29.5N122W TO 30N120.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN N
SWELL.
.48 HOUR FORECAST WITHIN 30N122W TO 30N125W TO 29N125W TO
29N124W TO 29N123W TO 30N122W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NW TO N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0200 UTC SAT MAY 9...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N75W TO 06N80W TO 08N85W TO
09.5N111W TO 06.5N122W. ITCZ FROM 06.5N122W TO 06N128W TO
04.5N134W TO BEYOND 04.5N140W. SCATTERED MODERATE ISOLATED STRONG
CONVECTION FROM 03.5N TO 08N E OF 95W. SCATTERED TO NUMEROUS
MODERATE TO STRONG CONVECTION FROM 05.5N TO 13.5N BETWEEN 95W
AND 115W AND FROM 02.5N TO 10N BETWEEN 115W AND 139W.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0000 UTC MAY 09 2026.
24 HOUR FORECAST VALID 0000 UTC MAY 10 2026.
48 HOUR FORECAST VALID 0000 UTC MAY 11 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N143W 27N148W THENCE TROUGH 25N150W 21N155W. TROUGH
MOVING
NW SLOWLY AND FRONT NEARLY STATIONARY.
.24 HOUR FORECAST FRONT 30N142W 27N149W THENCE TROUGH 24N156W
22N157W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N143W 29N147W 26N153W
23N158W.
.FRONT 30N157W 28N161W MOVING ENE 20 KT AND DISSIPATING.
.24 HOUR FORECAST FRONT DISSIPATED.
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 16N TO 09N W OF 153W...AND BETWEEN 17N AND
12N
E OF 144W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 22N180W
11N157W
09N157W 11N180W 22N180W...AND BETWEEN 22N AND 09N E OF 150W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M IN AREA BOUNDED BY 24N174W
23N167W
20N168W 20N172W 24N174W...AND BETWEEN 15N AND 10N W OF 175W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 05N140W 06N160W 07N170W 08N180W. ISOLATED MODERATE TSTMS
WITHIN 300
NM N OF ITCZ AND WITHIN 210 NM S OF ITCZ.
$$
.FORECASTER VAUGHAN/ALMANZA. HONOLULU HI.=