HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC TUE AUG 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 04.
24 HOUR FORECAST VALID 0600 UTC AUG 05.
48 HOUR FORECAST VALID 0600 UTC AUG 06.
.WARNINGS.
...GALE WARNING...
.LOW 63N172W 988 MB MOVING E 05 KT. BETWEEN 90 NM AND 300 NM SE
SEMICIRCLE...AND WITHIN 600 NM S AND SW QUADRANTS WINDS 25 TO 35
KT. SEAS 2.5 TO 4.5 M...HIGHEST S AND SE OF CENTER. ELSEWHERE N
OF 50N W OF 154W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 63N167W 996 MB. WITHIN 240 NM SE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN THE BERING SEA
N OF 53N BETWEEN THE W ALASKA COAST AND 174E WINDS TO 25 KT. SEAS
TO 3 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 64N169W 1004
MB. CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.S OF 46N BETWEEN 119W AND 134W AREA OF N TO NW WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M...HIGHEST NEAR 38N125W.
.24 HOUR FORECAST FROM 37N TO 51N BETWEEN 124W AND 131W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 42N TO 51N BETWEEN 124W AND 129W AREA OF
NW TO N WINDS TO 25 KT. SEAS TO 2.5 M.
.COMPLEX LOW WITH MAIN CENTER 46N147W 1018 MB MOVING NE NW 10 KT.
WITHIN 300 NM E AND 540 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 3 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 48N151W 1015
MB. WITHIN 480 NM E AND 660 NM SE QUADRANTS WINDS TO 25 KT. SEAS
TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 46N149W 1012
MB. FROM 37N TO 55N BETWEEN 139W AND 158W WINDS TO 25 KT. SEAS TO
2.5 M.
.FROM 31N TO 41N W OF 157W AREA OF NE WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST S OF 38N W OF 161W AREA OF NE TO E WINDS TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST S OF 36N W OF 165W AREA OF NE TO E WINDS TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST NEW LOW 51N179W 1012 MB. WITHIN 360 NM S AND SE
QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 49N170W 1009
MB. WITHIN 360 NM S AND 480 NM SW QUADRANTS WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM EITHER
SIDE OF A LINE FROM 45N180W TO 49N165W TO 57N156W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 46N156W TO 60N150W...FROM 57N TO 60N W OF 175W...AND FROM
42N TO 53N W OF 168W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 52N BETWEEN 160W AND
180W.
.FORECASTER ANDERSON. 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 0600 UTC TUE AUG 4.
24 HOUR FORECAST VALID 0600 UTC WED AUG 5.
48 HOUR FORECAST VALID 0600 UTC THU AUG 6.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 30N122W TO 30N131W TO 28N128W TO 28N127W TO 29N123W TO
30N122W 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.
.36 HOUR FORECAST WITHIN 02N114W TO 02N121W TO 01N140W TO
00N140W TO 03.4S120W TO 03S112W TO 02N114W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 02N110W TO 04N140W TO 00N140W TO
03.4S120W TO 00N120W TO 03.4S103W TO 02N110W 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 0730 UTC TUE AUG 4...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 08N98W TO 08N128W TO 13N127W TO
09N131W. ITCZ FROM 09N131W TO 08N140W. SCATTERED MODERATE
ISOLATED STRONG FROM 03N TO 07N BETWEEN 80W AND 90W...AND FROM
03N TO 10N BETWEEN 90W AND 130W.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC AUG 04 2026.
24 HOUR FORECAST VALID 0600 UTC AUG 05 2026.
48 HOUR FORECAST VALID 0600 UTC AUG 06 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.LOW 11N173W 1007 MB MOVING W SLOWLY. TROUGH 06N176W TO LOW TO
14N168W. WINDS 20 TO 25 KT FROM 13N TO 16N BETWEEN 167W AND 172W.
SEAS 2.5 TO 3 M WITHIN 195 NM OF A LINE FROM 12N168W TO 21N173W
TO 24N180W. SCATTERED MODERATE TO ISOLATED STRONG TSTMS FROM 08N
TO 13N BETWEEN 164W AND 176W.
.24 HOUR FORECAST LOW 11N175W 1007 MB. TROUGH 08N179W TO LOW TO
16N173W. WINDS EASED BELOW 20 KT. SEAS 2.5 TO 3 M WITHIN 210 NM OF
A LINE FROM 13N174W TO 23N180.
.48 HOUR FORECAST LOW 13N178W 1008 MB. TROUGH 09N180W TO LOW TO
18N175W. WINDS BELOW 20 KT AND SEAS LESS THAN 2.5 M.
.LOW 27N144W 1014 MB MOVING N 10 KT. TROUGH FROM 24N146W TO LOW
TO 30N144W. WINDS 20 TO 25 KT AND SEAS 2.5 TO 3 M N OF 27N E OF
146W.
.24 HOUR FORECAST LOW 27N146W 1013 MB. TROUGH 24N144W TO LOW TO
30N147W. WINDS EASED BELOW 20 KT AND SEAS DROPPED TO LESS THAN
2.5 M.
.48 HOUR FORECAST LOW OPENED INTO TROUGH FROM 23N146W TO 30N147W.
.24 HOUR FORECAST NEW TROUGH 27N171W TO 30N170W.
.48 HOUR FORECAST TROUGH 28N177W TO 30N177W.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 08N140W TO 08N145W TO 06N149W. SCATTERED MODERATE TSTMS
WITHIN 160 NM OF ITCZ.
.SCATTERED MODERATE TSTMS FROM 00N TO 02N BETWEEN 154W AND 167W.
$$
.FORECASTER CHAN. HONOLULU HI.=