990
FZPN02 KWBC 122325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC WED AUG 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 12.
24 HOUR FORECAST VALID 1800 UTC AUG 13.
48 HOUR FORECAST VALID 1800 UTC AUG 14.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST FROM 30N TO 40N BETWEEN 180W AND 176W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.30 HOUR FORECAST FROM 32N TO 38N BETWEEN 180W AND 177W AREA OF S
WINDS 25 TO 35 KT. SEAS 3 TO 4 M.
.48 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER JUST W OF AREA
NEAR 39N178E 991 MB. WITHIN 180 NM EITHER SIDE OF A LINE FROM
34N179W TO 43N170W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 30N180W TO 30N176W TO
37N169W TO 44N169W TO 46N180W TO 30N180W WINDS 20 TO 30 KT. SEAS
2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.FROM 32N TO 42N BETWEEN 123W AND A LINE FROM 32N131W TO 42N127W
AREA OF N TO NW WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST FROM 34N TO 42N BETWEEN 123W AND A LINE FROM
34N129W TO 42N127W AREA OF N TO NW WINDS TO 25 KT. SEAS TO 3.5
M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 54N176W 999 MB MOVING N 10 KT THEN BECOMING NEARLY
STATIONARY AFTER 12 HOURS. FRONT FROM 60N178W TO 56N177W TO
50N173W. WITHIN 180 NM W AND SW QUADRANTS...AND
WITHIN 240 NM E OF FRONT...WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 56N176W 1000 MB. WITHIN 180 NM SW AND 300
NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 54N177W 1003 MB. CONDITIONS DIMINISHED.

.LOW 45N160W 1000 MB MOVING NE 15 KT. WITHIN 300 NM SW AND S
QUADRANTS...AND FROM 36N TO 50N BETWEEN 158W AND 149W...WINDS 20
TO 30 KT. SEAS TO 3.5 M. ALSO FROM 55N TO 58N BETWEEN 161W AND
148W WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 50N156W 1005 MB. WITHIN 180 NM EITHER SIDE
OF A LINE FROM 43N155W TO 53N151W...AND WITHIN 180 NM NE OF A
LINE FROM 58N165W TO 50N148W...WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 53N158W 1011 MB. CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 45N163W TO 45N134W TO 55N148W TO 55N163W
TO 45N163W...AND FROM 51N TO 57N W OF 176E.
.24 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE FROM
48N155W TO 48N138W TO 59N149W TO 60N169W TO 58N175W TO
48N155W...AND FROM 51N TO 55N W OF 177E.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 62N178W TO 56N165W...AND WITHIN 120 NM EITHER SIDE OF A LINE
FROM 58N153W TO 48N140W.

.FORECASTER CONNELLY. 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 12.
24 HOUR FORECAST VALID 1800 UTC THU AUG 13
48 HOUR FORECAST VALID 1800 UTC FRI AUG 14.

.WARNINGS.

...GALE WARNING...
.PTC ONE-C WEST OF AREA. OVER FORECAST WATERS WITHIN 17N139W TO
18N140W TO 15N140W TO 15N139W TO 16N138W TO 17N139W WINDS 30 TO
35 KT. SEAS 3.5 TO 4.0 M. REMAINDER FORECAST WATERS WITHIN
21N136W TO 24N140W TO 04N140W TO 09N135W TO 12N134W TO 21N136W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST PTC ONE-C MOVE FURTHER W OF AREA. OVER
FORECAST WATERS WITHIN 26N137W TO 29N140W TO 08N140W TO 16N136W
TO 26N137W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST WITHIN 22N137W TO 25N137W TO 27N140W TO
09N140W TO 15N137W TO 22N137W E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M.
.48 HOUR FORECAST WITHIN 22N137W TO 25N137W TO 27N140W TO
09N140W TO 15N137W TO 22N137W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN SE TO S SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17.5N131W 1009 MB. WITHIN 20N130W TO 22N131W TO
21N132W TO 19N134W TO 17N133W TO 17N130W TO 20N130W WINDS 20 TO
25
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18.5N132W 1008 MB. WITHIN 20N130W TO 23N132W TO 24N135W TO
16N134W
TO 17N131W TO 20N130W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17.5N133W 1009 MB. WITHIN 22N128W TO 23N135W TO 17N135W TO
17N132W
TO 20N127W TO 22N128W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.

.WITHIN 15N93W TO 16N95W TO 16N96W TO 15N96W TO 14N94W TO 14N93W
TO
15N93W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO
25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 12N86W TO 11N87W TO 10N88W TO 10N87W TO 10N86W TO 11N86W
TO
12N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO 25

KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE

.WITHIN 02N107W TO 03N125W TO 00N133W TO 01S120W TO 03.4S120W TO
03.4S103W TO 02N107W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO
SW SWELL.
.24 HOUR FORECAST WITHIN 01N98W TO 06N108W TO 06N119W TO 00N130W
TO
03.4S120W TO 03.4S95W TO 01N98W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0
M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 04N99W TO 05N104W TO 00N129W TO
03.4S120W
TO 03.4S86W TO 04N99W 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 2100 UTC WED AUG 12...

LOW PRES NEAR 17.5N131W...SCATTERED MODERATE ISOLATED STRONG FROM

10N TO 20N BETWEEN 128W AND 140W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 09N104W. ITCZ FROM 09N104W TO
08N117W.
SCATTERED MODERATE FROM 02N TO 08N E OF 125W

.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W

SYNOPSIS VALID 1800 UTC AUG 12 2026.
24 HOUR FORECAST VALID 1800 UTC AUG 13 2026.
48 HOUR FORECAST VALID 1800 UTC AUG 14 2026.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL CYCLONE ONE-C NEAR 14.7N 142.6W 1003 MB AT 2100 UTC AUG
12 MOVING W OR 260 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS
45 KT. TROPICAL STORM FORCE WINDS WITHIN 240 NM NE QUADRANT. SEAS
4 M WITHIN 180 NM E SEMICIRCLE...AND 120 NM NW QUADRANT. WINDS
20 TO 30 KT AND SEAS 2.5 TO 3.5 M ELSEWHERE FROM 06N TO 21N E OF
150W. SCATTERED MODERATE TO STRONG TSTMS WITHIN 210 NM OF CYCLONE
CENTER.
.24 HOUR FORECAST TROPICAL STORM ONE-C NEAR 15.9N 144.1W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM N SEMICIRCLE...AND 60 NM SE QUADRANT. WINDS 20 TO 30
KT ELSEWHERE AND SEAS 3 TO 5 M FROM 12N TO 23N E OF 151W.
.48 HOUR FORECAST TROPICAL STORM ONE-C NEAR 17.9N 148.3W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN
100 NM N SEMICIRCLE...AND 70 NM SE QUADRANT...AND 50 NM SW
QUADRANT.
WINDS 20 TO 30 KT ELSEWHERE AND SEAS 3 TO 6 M FROM 14N TO 23N
BETWEEN
143W AND 158W. SEAS 2.5 TO 3 M ELSEWHERE FROM 12N TO 26N E OF
158W.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED
WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND
INTENSITY.

SEE THE LATEST BULLETIN ISSUED BY NHC UNDER WMO HEADER WTPA22 PHFO

.SYNOPSIS AND FORECAST

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

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

.MONSOON TROUGH 11N142W 10N144W 09N149W 07N153W 09N167W 08N173W
08N180W. NUMEROUS MODERATE TSTMS WITHIN 240 NM S OF TROUGH...AND
210
NM N OF TROUGH E OF 154W. SCATTERED MODERATE TSTMS WITHIN 210 NM
OF
TROUGH BETWEEN 154W AND 170W.

.SCATTERED MODERATE TSTMS FROM 12N TO 17N BETWEEN 175W AND 180W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.