HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON AUG 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 03.
24 HOUR FORECAST VALID 1800 UTC AUG 04.
48 HOUR FORECAST VALID 1800 UTC AUG 05.
.WARNINGS.
...GALE WARNING...
.FROM 37N TO 44N BETWEEN 124W AND 128W AREA OF NW TO N WINDS 25
TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 32N TO 46N BETWEEN
122W AND 133W WINDS TO 25 KT. SEAS TO 4 M...HIGHEST NEAR
37N127W.
.24 HOUR FORECAST FROM 33N TO 54N BETWEEN 124W AND 133W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M... EXCEPT N OF 44N
SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 37N TO 54N BETWEEN 124W AND 133W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 2.5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 63N172W 984 MB DRIFTING E. BETWEEN
90 NM AND 300 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5
M...EXCEPT N OF 62N SEAS TO 3 M. ELSEWHERE N OF A LINE FROM
58N162W TO 53N178W TO 54N172E AND WITHIN 240 NM E AND SE OF A
FRONT FROM 60N160W TO 55N164W TO 50N172W WINDS TO 25 KT. SEAS
2.5 TO 4 M...EXCEPT E OF 159W AND ALSO N OF 63N SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 63N168W 991 MB. FROM 60N TO 64N BETWEEN
160W AND 168W AND W OF A LINE FROM 60N160W TO 56N162W TO 54N167W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...EXCEPT N OF 63N SEAS TO 2.5
M.
.48 HOUR FORECAST LOW 65N168W 1002 MB. WITHIN 420 NM SE QUADRANT
AND FROM 54N TO 61N W OF 170W WINDS TO 25 KT. SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.LOW 47N148W 1016 MB MOVING SW 05 KT. FROM 42N TO 50N BETWEEN
144W AND 148W AREA OF SE TO S WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 45N150W 1016 MB. WITHIN 240 NM E OF A LINE
FROM 48N149W TO 42N146W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 46N151W 1011 MB.
WITHIN 300 NM NE QUADRANT AND WITHIN 240 NM E OF A LINE FROM
51N149W TO 44N146W TO 41N145W WINDS TO 25 KT. SEAS TO 2.5 M.
.FROM 30N TO 33N BETWEEN 140W AND 146W AREA OF E TO NE WINDS
LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 30N TO 33N BETWEEN 143W AND 149W AREA OF
E TO NE WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.24 HOUR FORECAST WITHIN 300 NM NW AND W OF A LINE FROM 35N161W
TO 30N174W AREA OF NE WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 30N TO 35N W OF 168W AREA OF E TO NE
WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM BETWEEN A LINE FROM
59N158W TO 50N160W TO 43N175W AND A LINE FROM 59N164W TO 55N170W
TO 48N180W TO 43N180W...AND N OF A LINE FROM 63N174W TO
64N166WW.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM SE OF A LINE FROM
60N154W TO 51N155W AND WITHIN 60 NM SE OF A LINE FROM 51N155W TO
46N159W...W OF A LINE FROM 52N178W TO 46N165W TO 43N170W...AND
FROM 55N TO 58N W OF 178W.
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 51N168W TO 46N164W
TO 43N173W.
.FORECASTER BANCROFT. 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 1800 UTC MON AUG 3.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 4.
48 HOUR FORECAST VALID 1800 UTC WED AUG 5.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 28N138W TO 30N139W TO 30N140W TO 25N140W TO 26N138W TO
28N138W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 30N120W TO 30N133W TO 29N132W TO 27N125W TO 28N122W TO
30N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 01S104W TO 01S118W TO 02N125W TO
01N140W TO 02S117W TO 03S103W TO 01S104W 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 2030 UTC MON AUG 3...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC AUG 03 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 04 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 05 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.LOW 09N169W 1008 MB MOVING W 10 KT. TROUGH 04N167W TO LOW TO
14N167W. WINDS 20 TO 30 KT WITHIN 180 NM OF N SEMICIRCLE. SEAS
2.5 TO 4 M WITHIN 180 NM OF LOW. SCATTERED MODERATE TSTMS
FROM 09N TO 15N BETWEEN 167W AND 162W.
.24 HOUR FORECAST LOW 10N175W 1008 MB. TROUGH 25N178W TO LOW TO
12N172W. WINDS DECREASING TO 20 KT OR LESS. SEAS SUBSIDING TO
2.5 M OR LESS.
.48 HOUR FORECAST LOW 13N176W 1008 MB. TROUGH 15N174W TO LOW TO
10N180W.
.LOW 26N144W 1012 MB MOVING NW 5 KT. TROUGH FROM LOW TO 27N145W
25N140W 22N142W. WINDS 20 TO 25 KT FROM 12N TO 15N BETWEEN 170W
AND 165W.
.24 HOUR FORECAST LOW 27N145W 1012 MB. TROUGH FROM LOW TO 25N144W
10N144W. WINDS DECREASING TO 20 KT OR LESS.
.48 HOUR FORECAST LOW 28N143W 1015 MB. TROUGH FROM LOW TO 24N147W.
.48 HOUR FORECAST NEW TROUGH 30N168W 28N179W.
.WINDS 20 TO 25 KT W OF LINE 25N175W 15N175W.
.24 HOUR FORECAST WIND DECREASING TO 20 KT OR LESS.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 12N TO 20N BETWEEN 170W AND 165W...AND FROM
20N TO 25N W OF 167W.
.24 HOUR FORECAST SEAS SUBSIDING TO 2.5 M OR LESS.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 06N160W 04N150W 06N140W. ISOLATED MODERATE TSTMS WITHIN
180 NM OF ITCZ.
$$
.FORECASTER PECHACEK. HONOLULU HI.=