East and Central North Pacific High Seas Forecast

FZPN02 KWBC 051725
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 05. 
24 HOUR FORECAST VALID 1200 UTC AUG 06.
48 HOUR FORECAST VALID 1200 UTC AUG 07.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 64N168W 999 MB MOVING NW 05 KT. WITHIN 180 NM E
QUADRANT...AND FROM 55N TO 57N BETWEEN 163W AND 168W WINDS 20 TO
30 KT. SEAS TO 2.5 M...HIGHEST NEAR 56N165W. 
.24 HOUR FORECAST LOW 65N170W 1007 MB. CONDITIONS DIMINISHED.

.FROM 39N TO 54N BETWEEN 125W AND 132W AREA OF NW TO N WINDS TO
25 KT. SEAS TO 3 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 FROM 47N TO 50N BETWEEN 126W AND 129W AREA OF
NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.COMPLEX LOW WITH MEAN CENTER NEAR 46N150W 1013 MB MOVING SE 05
KT. WITHIN 120 NM E OF A LINE FROM 51N148W TO 47N147W TO 42N144W
TO 40N144W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 46N147W 1011
MB. WITHIN 240 NM NE QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER NEAR 50N145W 1014
MB. CONDITIONS DIMINISHED.

.S OF 34N W OF 166W AREA OF NE WINDS LESS THAN 25 KT. SEAS TO 2.5
M. 
.24 HOUR FORECAST S OF 32N W OF 177W WINDS LESS THAN 25 KT. SEAS
TO 2.5 M. 
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 50N172W 1012 MB MOVING SE 20 KT. WITHIN 300 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 47N164W 1009 MB. WITHIN 120 NM N AND 360 NM
SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 45N153W NEAR 1007 MB. WITHIN 360 NM S
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 44N TO 50N BETWEEN 169W AND
180W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM N OF A LINE FROM 45N180W
TO 45N176W.

.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 1200 UTC WED AUG 5.
24 HOUR FORECAST VALID 1200 UTC THU AUG  6.
48 HOUR FORECAST VALID 1200 UTC FRI AUG  7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 02N128W TO 02N132W TO 01N138W TO 00N140W TO 00N126W TO
02N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.24 HOUR FORECAST WITHIN 02N103W TO 01N117W TO 00N140W TO
02S120W TO 03.4S120W TO 03.4S97W TO 02N103W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.12 HOUR FORECAST WITHIN 12N86W TO 12N89W TO 11N89W TO 10N87W TO
10N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20
TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.12 HOUR FORECAST WITHIN 19N131W TO 20N134W TO 18N138W TO
17N138W TO 17N133W TO 18N131W TO 19N131W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 20N130W TO 20N136W TO 19N140W TO
16N140W TO 16N136W TO 17N129W TO 20N130W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 18N133W TO 20N136W TO 21N140W TO
16N140W TO 15N132W TO 18N133W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN N TO NE SWELL.

.24 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 15N96W TO 14N96W TO
15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

CONVECTION VALID AT 1500 UTC WED AUG 5...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N77W TO 08N95W TO 06N110W TO 11N125W TO 
08N140W. 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 1200 UTC AUG 05 2026.
24 HOUR FORECAST VALID 1200 UTC AUG 06 2026.
48 HOUR FORECAST VALID 1200 UTC AUG 07 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.WEAK STATIONARY FRONT 30N172W TO 29N174W TO 30N178W.
.24 HOUR FORECAST FRONT BECAME TROUGH 28N178W TO 30N176W.
.48 HOUR FORECAST TROUGH MOVED NW OF AREA.

.LOW 11N177W 1008 MB MOVING W SLOWLY. TROUGH 08N180W TO LOW TO
14N172W. NUMEROUS MODERATE TO SCATTERED STRONG TSTMS FROM 90N TO
11N BETWEEN 176W AND 179W.
.24 HOUR FORECAST LOW 11N178W 1008 MB. TROUGH 07N178W TO LOW TO
18N1736W.
.48 HOUR FORECAST LOW AND TROUGH MOVED W OF AREA.

.TROUGH 15N155W TO 18N154W TO 21N151W MOVING WSW 10 KT. SCATTERED
MODERATE TSTMS FROM 14N TO 16N BETWEEN 158W AND 160W.
.24 HOUR FORECAST TROUGH 17N158W TO 20N157W.
.48 HOUR FORECAST TROUGH 18N162W TO 21N161W.

.LOW 28N146W 1014 MB MOVING W SLOWLY. TROUGH 26N147W TO LOW TO
30N145W.
.24 HOUR FORECAST LOW OPENED UP TO A TROUGH 25N148W TO LOW TO
30N147W.
.48 HOUR FORECAST TROUGH 24N152W TO 30N151W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 12N TO 16N W OF 174W.
.24 HOUR FORECAST SEAS SUBSIDE BELOW 2.5 M.
.48 HOUR FORECAST NEW TROUGH FROM 10N143W TO 17N143W. SEAS 2.5 TO
3 M FROM 15N TO 20N E OF 145W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

.ITCZ 08N140W TO 06N150W TO 03N160W. SCATTERED MODERATE TO
STRONG TSTMS UP TO 240 NM ALONG EITHER SIDE OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 00N TO 12N BETWEEN 163W AND 172W.

$$

.FORECASTER CHAN. HONOLULU HI.