HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC THU AUG 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 06.
24 HOUR FORECAST VALID 0600 UTC AUG 07.
48 HOUR FORECAST VALID 0600 UTC AUG 08.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FROM 45N TO 50N BETWEEN 126W AND 130W AREA OF NW TO N WINDS TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 47N TO 50N BETWEEN 126W AND 130W AREA OF
NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 47N164W 1005 MB MOVING SE 15 KT AND MOVING NE AFTER 24
HOURS. WITHIN 300 NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS
TO 3 M.
.24 HOUR FORECAST LOW 44N158W 1008 MB. WITHIN 300 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 46N151W 1011 MB. WITHIN 360 NM SE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.S OF 34N W OF 177W AREA OF E TO NE WINDS TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 50N W
OF 175W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 53N W OF 172W.
.48 HOUR FORECAST CONDITONS IMPROVED.
.FORECASTER ROWLAND. 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 0600 UTC THU AUG 6.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 7.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 8.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.WITHIN 20N134W TO 20N135W TO 18N140W TO 16N140W TO 15N138W TO
17N133W TO 20N134W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 19N137W TO 20N138W TO 20N140W TO
16N140W TO 17N137W TO 19N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 15N94W TO 16N94W TO 16N95W TO 16N97W TO
14N97W TO 14N96W TO 15N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 16N93W TO 16N95W TO 16N96W TO 15N95W TO
14N95W TO 14N94W TO 16N93W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 12N87W TO 12N88W TO 11N89W TO 10N89W TO 10N87W TO 11N86W
TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N89W TO 10N89W TO
10N87W TO 11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N89W TO 10N89W TO
10N87W TO 11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.WITHIN 03N106W TO 02N117W TO 00N121W TO 03.4S120W TO 03S102W TO
03N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02N103W TO 04N107W TO 02N115W TO
03.4S120W TO 03.4S103W TO 02N103W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 04N112W TO 04N114W TO 00N121W TO
03.4S120W TO 03.4S112W TO 04N112W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN SE TO S SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0800 UTC THU AUG 6...
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 10N104W. ITCZ FROM 10N104W TO
09N120W. IT RESUMES FROM 10N125W TO 10N135W. SCATTERED MODERATE
ISOLATED STRONG FROM 02N TO 10N EAST OF 108W...AND FROM 08N TO
16N BETWEEN 111W AND 135W.
$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 0600 UTC AUG 06 2026.
24 HOUR FORECAST VALID 0600 UTC AUG 07 2026.
48 HOUR FORECAST VALID 0600 UTC AUG 08 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST
.LOW 28N147W 1014 MB MOVING W 5 KT. TROUGH 23N149W TO LOW TO
30N146W.
.24 HOUR FORECAST LOW WEAKENED TO TROUGH 30N149W 28N150W 25N150W.
.48 HOUR FORECAST TROUGH 30N154W 29N154W 27N154W.
.TROUGH 17N159W 15N160W 12N160W MOVING W 5 KT. ISOLATED MODERATE
TSTMS WITHIN 150 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.
.LOW 12N177W 1008 MB MOVING W 5 KT. TROUGH 07N180W TO LOW TO
16N174W. ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH.
.24 HOUR FORECAST LOW 11N180W 1008 MB. TROUGH FROM 16N180W TO LOW.
.48 HOUR FORECAST LOW AND TROUGH MOVED W OF AREA.
.24 HOUR FORECAST NEW LOW NEAR 13N142W 1009 MB. TROUGH 17N141W TO
LOW TO 10N143W.
.48 HOUR FORECAST LOW WEAKENED TO TROUGH 15N146W 13N147W 11N148W.
.WINDS 20 KT OR LESS OVER FORECAST AREA.
.SEAS 2.5 M OR LESS OVER FORECAST AREA.
.ITCZ 05N159W 06N151W 08N140W. SCATTERED MODERATE TO LOCALLY
STRONG
TSTMS WITHIN 290 NM S OF ITCZ...AND ISOLATED MODERATE TSTMS
WITHIN 180
NM N OF ITCZ.
.ISOLATED MODERATE TSTMS S OF 10N BETWEEN 160W AND 176W.
$$
.FORECASTER M BALLARD. HONOLULU HI.=