568
FZPN02 KWBC 300525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC SAT AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 30.
24 HOUR FORECAST VALID 0000 UTC AUG 31.
48 HOUR FORECAST VALID 0000 UTC SEP 01.

.WARNINGS.

...GALE WARNING...
.LOW 53N174E 980 MB MOVING NE 10 KT. WITHIN 180 NM NE AND E OF A
FRONT EXTENDING FROM 56N178W TO 52N174W TO 46N176W WINDS 35 TO 45
KT. SEAS 3 TO 6 M. ELSEWHERE FROM 40N TO 60N BETWEEN 167W AND
160E...AND FROM 36N TO 40N BETWEEN 176W AND 176E WINDS 25 TO 40
KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 48N172E.
.24 HOUR FORECAST LOW 55N179E 984 MB. FROM 51N TO 65N BETWEEN
161W AND 168W...AND FROM 50N TO 57N BETWEEN 170E AND 176E WINDS
30 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 43N TO 66N BETWEEN
160W AND 168E...AND WITHIN 240 NM E AND SE OF A FRONT TO EXTEND
FROM 43N173W TO 38N176W TO 37N179E WINDS 20 TO 30 KT. SEAS 2.5 TO
5.5 M.
.48 HOUR FORECAST LOW 58N180W 988 MB. FROM 51N TO 65N BETWEEN
160W AND 172E WINDS 25 TO 35 KT. SEAS TO 4 M. ELSEWHERE WITHIN
120 NM E AND SE OF A FRONT TO EXTEND FROM 51N165W TO 44N167W TO
39N172W WINDS 20 TO 30 KT. SEAS TO 3.5 M.

...GALE WARNING...
.FROM 58N TO 60N BETWEEN 147W AND 153W WINDS 25 TO 35 KT. SEAS TO
3 M.
.12 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 43N152W 1005 MB MOVING SW 10 KT. WITHIN 300 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 34N
TO 49N BETWEEN 146W AND 161W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 39N154W 1004 MB. FROM 34N TO 43N BETWEEN
152W AND 162W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 38N151W 1006 MB. FROM 32N TO 46N BETWEEN
141W AND 156W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 51N TO 57N BETWEEN 132W AND 137W WINDS 20
TO 30 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST FROM 33N TO 40N BETWEEN 121W AND 125W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 36N166E 1006 MB.
FROM 32N TO 38N BETWEEN 174W AND 160E WINDS 20 TO 30 KT. SEAS TO
3 M.

.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM
WITHIN 90 NM OF 53N179W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM E OF A LINE FROM 54N165W
TO 46N166W.

.FORECASTER HUFFMAN. 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 0000 UTC SAT AUG 30.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 31.
48 HOUR FORECAST VALID 0000 UTC MON SEP  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 05N102W TO 10N115W TO 07N122W TO 04N124W TO 01N118W TO
03N102W TO 05N102W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL. WITHIN 01S100W TO 01S105W TO 01S107W TO 03.4S120W
TO 03.4S89W TO 01S100W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO
SW SWELL.
.24 HOUR FORECAST WITHIN 06N99W TO 06N101W TO 06N104W TO 04N106W
TO 03N105W TO 04N102W TO 06N99W WINDS 20 KT OR LESS. SEAS 2.5 M
IN S TO SW SWELL. WITHIN 04N83W TO 05N85W TO 02N87W TO 03S84W TO
03S82W TO 00N83W TO 04N83W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 06N103W TO 06N105W TO 05N108W TO
04N107W TO 04N104W TO 04N104W TO 06N103W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL. WITHIN 03S114W TO 03S116W TO 02S120W
TO 03.4S120W TO 03.4S113W TO 03S114W WINDS 20 KT OR LESS. SEAS
2.5 M IN S TO SW SWELL.

.42 HOUR FORECAST WITHIN 16N97W TO 15N99W TO 14N99W TO 15N98W TO
15N97W TO 16N97W E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 16N98W TO 16N99W TO 15N99W TO 15N98W TO
16N98W E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M IN S TO SW
SWELL.

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

CONVECTION VALID AT 0300 UTC SAT AUG 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N71W TO 06.5N79W TO 08.5N84W TO LOW
PRESSURE 1010 MB NEAR 14N118W TO LOW PRESSURE 1011 MB NEAR
11.5N129.5W TO 10.5N133W. ITCZ FROM 10.5N133W TO BEYOND 10N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04.5N TO 16N
BETWEEN 82.5W AND 100W...FROM 09.5N TO 17.5N BETWEEN 100W AND
107W...FROM 08.5N TO 17N BETWEEN 107W AND 122W...AND FROM 07N TO
14N BETWEEN 122W AND 133W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC AUG 30 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 31 2025.
48 HOUR FORECAST VALID 0000 UTC SEP 01 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 18N152W 14N153W 10N152W MOVING W SLOWLY. WINDS 20 TO 25 KT
WITHIN 60 NM OF TROUGH. SEAS 2.5 TO 3.0 M FROM 12N TO 17N BETWEEN
148W AND 153W.
.24 HOUR FORECAST TROUGH 15N155W 12N156W 10N156W. WINDS EASED
20 KT OR LESS. SEAS SUBSIDED TO 2.5 M OR LOWER.
.48 HOUR FORECAST TROUGH 18N158W 08N161W.

.TROUGH 16N167W 13N168W 10N168W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 17N173W 10N173W.
.48 HOUR FORECAST TROUGH 17N175W 10N175W.

.TROUGH 14N176E 10N176E 05N177E MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 14N173E 08N173E.
.48 HOUR FORECAST TROUGH 14N169E 08N164E.

.TROUGH 10N160E 07N161E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
FROM 10N TO 14N W OF 163E.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 25N163E 23N163E 22N164E MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.

.TROUGH 30N156W 29N159W 28N162W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH ABSORBED BY FRONT DESCRIBED BELOW.

.24 HOUR FORECAST NEW FRONT 30N151W 27N159W 30N169W.
.48 HOUR FORECAST FRONT 30N149W 27N156W 30N167W.

.24 HOUR FORECAST NEW TROUGH 27N165E 23N165E.
.48 HOUR FORECAST TROUGH 27N164E 24N163E.

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

.ISOLATED MODERATE TSTMS FROM 21N TO 24N BETWEEN 171E AND 169E.

.ITCZ FROM 10N140W 10N143W 11N147W...11N157W 11N165W...AND 11N171W
09N180E. ISOLATED MODERATE TSTMS WITHIN 210 NM OF ITCZ W OF
157W...AND WITHIN 120 NM ELSEWHERE.

$$

.FORECASTER AHUE. HONOLULU HI.