616
FZPN02 KWBC 301125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 30.
24 HOUR FORECAST VALID 0600 UTC AUG 31.
48 HOUR FORECAST VALID 0600 UTC SEP 01.

.WARNINGS.

...GALE WARNING...
.LOW 54N175E 981 MB MOVING NE 10 KT. WITHIN 180 NM NE AND E OF A
FRONT EXTENDING FROM 58N177W TO 56N172W TO 50N172W WINDS 35 TO 45
KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 41N TO 62N BETWEEN 163W AND
162E...AND WITHIN 240 NM E AND SE OF A FRONT EXTENDING FROM
41N179W TO 38N176E WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST
NEAR 49N175E.
.24 HOUR FORECAST LOW 57N180W 984 MB. N OF A LINE FROM 57N160W TO
44N180W TO 54N168E...AND WITHIN 240 NM E AND SE OF A FRONT TO
EXTEND FROM 54N167W TO 44N170W TO 39N177W WINDS 25 TO 40 KT. SEAS
2.5 TO 5.5 M...HIGHEST NEAR 56N175E.
.48 HOUR FORECAST LOW 58N180W 989 MB. N OF 52N BETWEEN 156W AND
171E WINDS 25 TO 35 KT. SEAS TO 4 M.

...GALE WARNING...
.LOW 41N153W 1002 MB MOVING SW 10 KT. WITHIN 240 NM W QUADRANT
WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 38N TO 47N
BETWEEN 144W AND 162W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 38N154W 1004 MB. FROM 33N TO 42N BETWEEN
149W AND 162W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 37N151W 1006 MB. FROM 31N TO 46N BETWEEN
141W AND 156W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.FROM 54N TO 57N BETWEEN 133W AND 136W AREA OF NW TO N WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST FROM 49N TO 57N BETWEEN 130W AND 137W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST FROM 34N TO 39N BETWEEN 121W AND 125W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 34N 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 35N173E 1006 MB.
WITHIN 180 NM EITHER SIDE OF A FRONT TO EXTEND FROM 40N170W TO
THE LOW TO 34N163E WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF A
LINE FROM 53N174W TO 46N176W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM E OF A LINE FROM 53N169W
TO 47N169W.
.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 0600 UTC SAT AUG 30.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 31.
48 HOUR FORECAST VALID 0600 UTC MON SEP  1.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 10N115W TO 07N119W TO 01N118W TO 04N112W TO 03N100W TO
10N115W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
WITHIN 03S89.5W TO 03S101.5W TO 03.4S106W TO 03.4S89W TO
03S89.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 08N95W TO 08N96W TO 06N107W TO 05N107W
TO 08N95W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.
WITHIN 03S89.5W TO 03S90.5W TO 03S91.5W TO 03S93.5W TO 03.4S95.5W
TO 03.4S89.5W TO 03S89.5W WINDS 20 KT OR LESS. SEAS 2.5 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 07N108W TO 06N108W TO 06N107W TO
06N106W TO 06N105W TO 07N108W WINDS 20 KT OR LESS. SEAS 2.5 M IN
S TO SW SWELL. WITHIN 03S112W TO 03S116W TO 02S117W TO 02S120W TO
03.4S120W TO 03.4S111W TO 03S112W WINDS 20 KT OR LESS. SEAS 2.5
M IN S TO SW SWELL.

.30 HOUR FORECAST WITHIN 15N96W TO 15N97W TO 14N97W TO 14N96W TO
15N96W E WINDS 20 TO 25 KT. SEAS TO 2.5 M IN SW SWELL.
.48 HOUR FORECAST WITHIN 16N100W TO 17N102W TO 16N102W TO
15N102W TO 15N100W TO 16N100W E TO SE WINDS 20 TO 25 KT. SEAS TO
2.5 M IN SW SWELL.

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

CONVECTION VALID AT 0830 UTC SAT AUG 30...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N71W TO 06.5N79W TO 09.5N95W TO 09.5N105W
TO LOW PRES 1010 MB NEAR 14N118.5W TO LOW PRES 1011 MB NEAR
11.5N130W TO 10N132W. ITCZ FROM 10N132W TO BEYOND 09N140W.
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04N TO 08.5N
E OF 86W AND FROM 06.5N TO 18N BETWEEN 97W AND 134W. SCATTERED
TO LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION FROM 05N TO
14N BETWEEN 86W AND 97W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC AUG 30 2025.
24 HOUR FORECAST VALID 0600 UTC AUG 31 2025.
48 HOUR FORECAST VALID 0600 UTC SEP 01 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 15N153W 13N154W 11N153W MOVING NW SLOWLY. WINDS 20 TO 25
KT
FROM 16N TO 14N BETWEEN 154W AND 151W. SEAS 2.5 TO 3.0 M FROM 17N
TO 13N BETWEEN 154W AND 149W. ISOLATED MODERATE TSTMS WITHIN 90 NM
OF TROUGH.
.24 HOUR FORECAST TROUGH 16N157W 14N156W 11N156W. WINDS EASED 20
KT OR LESS. SEAS SUBSIDED TO 2.5 M OR LOWER.
.48 HOUR FORECAST TROUGH 20N159W 17N160W 12N158W.

.TROUGH 15N171W 10N171W MOVING W SLOWLY. ISOLATED MODERATE TO
LOCALLY STRONG TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 15N173W 11N174W.
.48 HOUR FORECAST TROUGH 16N176W 10N176W.

.TROUGH 11N175E 06N176E MOVING W SLOWLY. ISOLATED MODERATE TSTMS
WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 13N168E 08N169E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 30N154W 29N159W MOVING E 10 KT.
.24 HOUR FORECAST TROUGH MERGES WITH FRONT DESCRIBED BELOW.

.24 HOUR FORECAST NEW FRONT 30N152W 28N156W 30N168W.
.48 HOUR FORECAST FRONT 30N149W 28N154W 30N165W.

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

.ISOLATED MODERATE TSTMS FROM 16N TO 10N W OF 163E...AND FROM 25N
TO 21N BETWEEN 166E AND 171E.

.ITCZ 10N140W 11N147W 13N152W...12N155W 09N160W 09N166W
13N169W...AND
13N171W 09N179E 10N176E. ISOLATED MODERATE TSTMS WITHIN 210 NM OF
ITCZ W OF 165W...AND WITHIN 120 NM ELSEWHERE.


$$

.FORECASTER PIERCE. HONOLULU HI.