475
FZPN02 KWBC 290525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC FRI AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 29.
24 HOUR FORECAST VALID 0000 UTC AUG 30.
48 HOUR FORECAST VALID 0000 UTC AUG 31.

.WARNINGS.

...GALE WARNING...
.LOW 51N162E 981 MB MOVING NE 20 KT. WITHIN 240 NM NE AND E OF A
FRONT EXTENDING FROM 53N167E TO 50N171E TO 45N171E...AND FROM 44N
TO 47N BETWEEN 160E AND 164E WINDS 35 TO 45 KT. SEAS 4 TO 7.5
M...HIGHEST NEAR 45N161E. ELSEWHERE FROM 38N TO 55N BETWEEN 180W
AND 160E WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW 54N174E 982 MB. WITHIN 180 NM NE AND E OF A
FRONT TO EXTEND FROM 57N177W TO 53N174W TO 47N176W WINDS 35 TO 45
KT. SEAS 3 TO 5.5 M. ELSEWHERE W OF A LINE FROM 61N177W TO
55N164W TO 41N175W...AND WITHIN 300 NM E AND SE OF A FRONT TO
EXTEND FROM 41N178E TO 37N174E WINDS 25 TO 40 KT. SEAS 3 TO 6.5
M...HIGHEST NEAR 48N173E.
.48 HOUR FORECAST LOW 56N178E 983 MB. WITHIN 300 NM SW AND W
QUADRANTS WINDS 35 TO 45 KT. SEAS 3.5 TO 6 M. ELSEWHERE FROM 45N
TO 66N BETWEEN 160W AND 169E...AND WITHIN 180 NM E AND SE OF A
FRONT TO EXTEND FROM 45N172W TO 40N175W TO 37N180W WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 57N155W 1002 MB MOVING E 20 KT. FROM 53N TO 61N BETWEEN 145W
AND 163W WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE WITHIN 150
NM E OF A FRONT EXTENDING FROM 53N151W TO 48N151W WINDS 20 TO 30
KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 60N149W 1015 MB. WITHIN 180 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 45N153W 1011 MB MOVING SE 05 KT. WITHIN 120 NM EITHER SIDE
OF A FRONT EXTENDING FROM THE LOW TO 38N157W TO 34N162W WINDS TO
25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 43N153W 1002 MB. WITHIN 300 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE FROM
37N TO 49N BETWEEN 146W AND 161W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 39N155W 996 MB. WITHIN 180 NM OF LOW CENTER
WINDS 30 TO 40 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 34N TO 46N
BETWEEN 147W AND 162W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

.SYNOPSIS AND FORECAST.

.LOW 66N162W 998 MB MOVING N 05 KT. N OF 62N BETWEEN 164W AND
170W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 67N162W 1008 MB. CONDITIONS MOVED N OF
AREA.

.48 HOUR FORECAST FROM 54N TO 59N BETWEEN 132W AND 138W WINDS 20
TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 48N
BETWEEN 169E AND 172E.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 56N178E.
.48 HOUR FORECAST CONDITIONS IMPROVED.

.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 FRI AUG 29.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 30.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 31.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 10N108W TO 11N108W TO 11N109W TO 10N110W TO 09N110W TO
09N109W TO 10N108W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 16N118W TO 15N118W TO 09N110W TO
10N110W TO 10N108W TO 11N108W TO 16N118W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S SWELL.
.48 HOUR FORECAST WITHIN 17N121W TO 17N122W TO 16N122W TO
15N120W TO 16N120W TO 17N121W E TO SE WINDS 20 TO 25 KT. SEAS 2.5
M IN SE SWELL.

.WITHIN 28N120W TO 28N121W TO 27N122W TO 27N121W TO 27N120W TO
28N120W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO S SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 05N116W TO 03N125W TO 06N140W TO 00N131W TO 03.4S120W TO
03.4S100W TO 05N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SE AND SW SWELL.
.24 HOUR FORECAST WITHIN 05N100W TO 06N109W TO 10N115W TO
06N122W TO 01N119W TO 02N102W TO 05N100W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED SE AND SW SWELL. WITHIN 00N104W TO 02S120W TO
03.4S120W TO 03.4S90W TO 00N104W WINDS 20 KT OR LESS. SEAS 2.5 M
IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST WITHIN 08N97W TO 08N101W TO 04N109W TO 05N100W
TO 04N94W TO 05N91W TO 08N97W WINDS 20 KT OR LESS. SEAS 2.5 M IN
SW SWELL. WITHIN 02S82W TO 01S83W TO 01S83W TO 01S83W TO 03S83W
TO 03S82W TO 02S82W WINDS 20 KT OR LESS. SEAS 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 0230 UTC FRI AUG 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N74W TO 08N79W TO LOW
PRES 1010 MB NEAR 13N113.5W TO LOW PRES 1011 MB NEAR 13.5N127W
TO 11N140W. NUMEROUS MODERATE TO STRONG CONVECTION FROM 04N TO
11N E OF 90W. SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM
07N TO 15.5N BETWEEN 91W AND 115W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC AUG 29 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 30 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 31 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 11N148W 1009 MB. TROUGH FROM 15N147W TO LOW TO 08N151W.
TROUGH AND LOW MOVING NW SLOWLY. WINDS 20 TO 25 KT AND SEAS 2.5
TO 3 M WITHIN 90 NM N SEMICIRCLE. ISOLATED MODERATE TSTMS FROM 11N
TO 09N BETWEEN 150W AND 147W.
.24 HOUR FORECAST LOW DISSIPATED. TROUGH 14N151W 08N159W. WINDS
EASED TO 20 KT OR LESS. SEAS 2.5 TO 3 M FROM 16N TO 13N BETWEEN
153W AND 143W.
.48 HOUR FORECAST TROUGH 15N156W 08N164W. SEAS LOWERED TO 2.5 M
OR LOWER.

.TROUGH 25N167W 20N166W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 16N163W 11N164W 08N167W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 16N166W 09N173W.
.48 HOUR FORECAST TROUGH 17N170W 09N175W.

.TROUGH 30N161W 27N164W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH 30N156W 27N161W.
.48 HOUR FORECAST TROUGH ABSORBED BY FRONT DESCRIBED BELOW.

.48 HOUR FORECAST NEW FRONT 30N153W 28N159W 30N167W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

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

.ITCZ 10N140W 10N145W...09N152W 09N159W...AND 10N169W 09N175W
07N177E
07N160E. ISOLATED MODERATE TSTMS WITHIN 240 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 25N TO 16N W OF 165E.

$$

.FORECASTER TROTTER. HONOLULU HI.