212
FZPN02 KWBC 231125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SAT AUG 23 2025

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC AUG 23.
24 HOUR FORECAST VALID 0600 UTC AUG 24.
48 HOUR FORECAST VALID 0600 UTC AUG 25.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW NW OF AREA WITH FIRST CENTER 64N179W 998 MB MOVING E
05 KT THEN TURNING S AFTER 12 HOURS AND SECOND CENTER 60N167E 999
MB MOVING SE 05 KT. WITHIN 480 NM E AND 300 NM SE QUADRANTS OF
FIRST CENTER WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5...HIGHEST SE OF
CENTER. ELSEWHERE BETWEEN 360 NM AND 720 NM SE QUADRANT OF SECOND
CENTER WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST COMPLEX LOW NW OF AREA WITH FIRST CENTER
62N175W 1008 MB AND SECOND CENTER 58N169E 1004 MB. N OF 63N W OF
167W...AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 49N180W TO
64N160W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 54N176W 998
MB. WITHIN 240 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO
3.5 M. ELSEWHERE WITHIN 180 NM EITHER SIDE OF A LINE FROM 40N176E
TO 60N163W WINDS TO 25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.LOW 52N145W 1012 MB MOVING SW 05 KT. BETWEEN 120 NM AND 300 NM W
AND NW QUADRANTS...AND BETWEEN 240 NM AND 480 NM NE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 51N149W 1015 MB. WITHIN 300 NM W SEMICIRCLE
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 49N153W 1017 MB. CONDITIONS DIMINISHED.

.LOW 33N173E 1011 MB MOVING NW 10 KT. WITHIN 300 NM NE SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 37N170E 1012 MB. WITHIN 300 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 54N176W
DESCRIBED IN WARNINGS SECTION ABOVE.

.FROM 31N TO 51N BETWEEN 121W AND 130W AREA OF N TO NW WINDS TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 40N TO 51N BETWEEN 125W AND 131W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 35N TO 55N BETWEEN 124W AND 131W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST NEW LOW 42N163E 1008 MB. WITHIN 180 NM NW AND W
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 360 NM NW OF
A LINE FROM 40N166E TO 50N180W...FROM 46N TO 66N BETWEEN 165W TO
167E...AND FROM 52N TO 57N BETWEEN 134W AND 148W.
.24 HOUR FORECAST DENSE FOG WITHIN 360 NM NW OF A LINE FROM
40N170E TO 50N177W...AND FROM 48N TO 62N BETWEEN 160W AND 174E.
.48 HOUR FORECAST DENSE FOG WITHIN 420 NM NW OF A LINE FROM
40N175E TO 50N174W...AND FROM 50N TO 60N BETWEEN 160W AND 175E.

.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 SAT AUG 23.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 24.
48 HOUR FORECAST VALID 0600 UTC MON AUG 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N136W TO 19N140W TO 13N140W TO 13N135W TO 15N132W TO
16N135W TO 18N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO
E SWELL.
.24 HOUR FORECAST WITHIN 14N138W TO 15N140W TO 13N140W TO 13N139W
TO 14N138W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED NE AND SE
SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.WITHIN 05N95W TO 09N110W TO 04N118W TO 03.4S120W TO 03.4S104W TO
03.4S94W TO 05N95W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO S
SWELL.
.24 HOUR FORECAST WITHIN 06N98W TO 12N107W TO 08N125W TO 02N118W
TO 03.4S120W TO 03.4S100W TO 03.4S82W TO 06N98W...INCLUDING THE
GULF
OF GUAYAQUIL AND EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3 M IN SE TO S SWELL.
.48 HOUR FORECAST LOW PRES NEAR 16N111W 1007 MB. WITHIN 05N82W TO
09N105W TO 17N106W TO 06N138W TO 03S120W TO 03.4S81W TO
05N82W...INCLUDING THE GULF OF GUAYAQUIL AND EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS EXCEPT SW TO W 20 TO 25
KT WITHIN 15N107W TO 14N114.5W TO 12N121W TO 13N109W TO 15N107W.
SEAS 2.5
TO 3.5 M IN S TO SW SWELL E OF 100W...AND IN SE TO S SWELL W OF
100W.

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

CONVECTION VALID AT 0915 UTC SAT AUG 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 10N95W TO 14N110W TO
13N120W TO 11N130W TO 13N140W. NUMEROUS MODERATE ISOLATED STRONG
FROM 09N TO 12N BETWEEN 103W AND 112W AND WITHIN 120 NM S OF THE
BETWEEN 94W AND 101W. SCATTERED MODERATE WITHIN 120 NM S OF THE
TROUGH BETWEEN 87W AND 90W...WITHIN 120 NM N OF THE TROUGH
BETWEEN
115W AND 120W AND WITHIN 60 NM S OF THE TROUGH BETWEEN 132W AND
137W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0600 UTC AUG 23 2025.
24 HOUR FORECAST VALID 0600 UTC AUG 24 2025.
48 HOUR FORECAST VALID 0600 UTC AUG 25 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N175W 27N175W 25N177W MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH N OF 27N.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N176E 27N176E 23N172E MOVING N SLOWLY. SCATTERED
MODERATE TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 30N175E 24N168E.
.48 HOUR FORECAST TROUGH DISSIPATED N OF AREA.

.TROUGH 26N165E 25N160E MOVING N SLOWLY. NUMEROUS STRONG TSTMS
FROM 25N TO 28N BETWEEN 165E AND 170E. ISOLATED MODERATE TSTMS
ELSEWHERE FROM 20N TO 28N W OF 171E.
.24 HOUR FORECAST TROUGH 28N166E 26N160E.
.48 HOUR FORECAST TROUGH 30N170E 25N167E 26N160E.

.TROUGH 16N155W 12N158W 08N158W MOVING W SLOWLY. WINDS 20 TO 25 KT
WITHIN 120 NM OF ITCZ N OF 13N.
.24 HOUR FORECAST TROUGH 15N162W 08N164W. WINDS 20 TO 25 KT WITHIN
90 NM OF TROUGH N OF 13N.
.48 HOUR FORECAST TROUGH 15N168W 09N169W.

.TROUGH 14N180W 10N177E 04N175E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 14N170E 05N170E.
.48 HOUR FORECAST TROUGH 12N163E 06N160E.

.WINDS 20 TO 25 KT FROM 12N TO 20N E OF 152W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 12N TO 17N E OF 154W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 11N TO 16N E OF 155W.

.SEAS 2.5 TO 3.0 M FROM 12N TO 20N E OF 160W...AND FROM 10N TO
16N BETWEEN 175E AND 178W.
.24 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 11N TO 17N BETWEEN 155W
AND 143W.
.48 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 12N TO 16 BETWEEN 160W
AND 154W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST
AREA.

.MONSOON TROUGH 11N140W 09N151W. ISOLATED MODERATE TSTMS FROM
TROUGH
TO 14N E OF 146W.

.ITCZ 09N163W 07N170W 08N177W. ISOLATED MODERATE TSTMS WITHIN 210
NM OF ITCZ.

$$

.FORECASTER SHIGESATO. HONOLULU HI.