HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED AUG 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 05.
24 HOUR FORECAST VALID 1800 UTC AUG 06.
48 HOUR FORECAST VALID 1800 UTC AUG 07.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.LOW 65N168W 999 MB MOVING NW 05 KT. WITHIN 180 NM E QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 65N169W 1007 MB. CONDITIONS DIMINISHED.
.FROM 43N TO 50N BETWEEN 126W AND 130W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 47N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.COMPLEX LOW WITH MEAN CENTER NEAR 46N150W 1013 MB MOVING E 05
KT. WITHIN 180 NM E OF A LINE FROM 52N145W TO 45N145W TO 42N143W
TO 40N143W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 47N147W 1012
MB. CONDITIONS DIMINISHED.
.S OF 34N W OF 168W AREA OF E TO NE WINDS LESS THAN 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST S OF 33N W OF 179W AREA OF E WINDS LESS THAN 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 49N168W 1012 MB MOVING SE 20 KT. WITHIN 360 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 45N160W 1007 MB. WITHIN 120 NM NE...300 NM
SE...420 NM SW...AND 180 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS
2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 45N153W NEAR 1007 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 51N
BETWEEN 166W AND 180W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 52N BETWEEN 169W AND
180W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM N OF A LINE FROM
44N180W TO 44N176W.
.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 1800 UTC WED AUG 5.
24 HOUR FORECAST VALID 1800 UTC THU AUG 6.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 7.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 13N96W TO 14N95W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... NE WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N97W TO 13N97W TO
13N96W TO 13N95W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N95W TO 15N96W TO 14N97W TO 13N97W TO
13N96W TO 13N95W TO 16N95W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN S TO
SW SWELL.
.WITHIN 11N86W TO 11N87W TO 11N89W TO 11N90W TO 10N90W TO 10N86W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N89W TO 11N90W TO
10N90W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 01S104W TO 01N127W TO 01N140W TO 02S120W TO 03.4S120W TO
03.4S105W TO 01S104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 04N103W TO 01N140W TO 01S120W TO
03.4S120W TO 03.4S96W TO 04N103W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 19N128W TO 19N136W TO 17N136W TO 17N128W TO 19N128W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 20N133W TO 19N140W TO 15N140W TO
17N133W TO 17N128W TO 20N133W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 21N140W TO 16N140W TO 14N130W TO
16N128W TO 21N140W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
TO NE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2100 UTC WED AUG 5...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 05N85W TO 08N95W TO 05N115W TO
07N120W. ITCZ FROM 10N137W TO 09N140W. SCATTERED MODERATE TO
ISOLATED STRONG FROM 03N TO 12N E OF 100W...AND FROM 10N TO 15N
BETWEEN 115W AND 120W.
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC AUG 05 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 06 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 07 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.LOW 27N146W 1014 MB MOVING W SLOWLY. TROUGH 25N148W TO LOW TO
30N144W.
.24 HOUR FORECAST LOW WEAKENING TO TROUGH 30N147W 25N150W.
.48 HOUR FORECAST TROUGH 30N152W 25N154W.
.TROUGH 16N157W 12N160W MOVING W 5 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.
.LOW 11N176W 1008 MB MOVING W 5 KT. TROUGH 07N180W TO LOW TO
15N173W.
.24 HOUR FORECAST LOW 11N178W 1009 MB. TROUGH FROM LOW TO 15N175W.
.48 HOUR FORECAST LOW MOVED W OF AREA. TROUGH 10N179W 15N178W.
.FRONT 30N173W 28N180W MOVING N SLOWLY.
.24 HOUR FORECAST FRONT MOVED N OF AREA.
.24 HOUR FORECAST NEW LOW NEAR 14N140W 1010 MB.
.48 HOUR FORECAST LOW 15N145W 1010 MB.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3 M FROM 00N TO 03N BETWEEN 150W AND 145W.
.24 HOUR FORECAST SEAS SUBSIDING TO 2.5 M OR LESS.
.SEAS 2.5 M OR LESS OVER REMAINDER OF FORECAST AREA.
.ITCZ 05N165W 07N150W 07N140W. SCATTERED MODERATE TO LOCALLY
STRONG TSTMS WITHIN 180 NM OF ITCZ BETWEEN 160W AND 150W. ISOLATED
MODERATE TSTMS ELSEWHERE WITHIN 180 NM OF ITCZ.
.SCATTERED MODERATE TSTMS FROM 00N TO 12N BETWEEN 163W AND 172W.
$$
.FORECASTER PECHACEK. HONOLULU HI.=