944
FZPN02 KWBC 220525
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0545 UTC FRI AUG 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 0000 UTC AUG 23.
48 HOUR FORECAST VALID 0000 UTC AUG 24.

.WARNINGS.

...GALE WARNING...
.LOW NW OF AREA 52N162E 989 MB MOVING NE 30 KT. WITHIN 240 NM SE
SEMICIRCLE WINDS 30 TO 45 KT. SEAS 3 TO 5 M. ELSEWHERE 480 NM SE
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST COMPLEX LOW NW OF AREA WITH MAIN CENTER NEAR
61N173E 996 MB. WITHIN 300 NM SE SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 3 TO 5 M. ELSEWHERE NW OF A LINE FROM 43N170E TO 64N159W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW WELL N OF AREA AND NEW LOW TO FORM NW OF
AREA NEAR 59N167E 1002 MB. WITHIN 420 NM NW OF A LINE FROM
45N180W TO 60N165W WINDS 20 TO 30 KT. SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.LOW 50N146W 1007 MB MOVING NE 05 KT THEN TURNING NW AFTER 12
HOURS. WITHIN 360 NM W AND N OF A FRONT FROM 48N148W TO 54N149W
TO 54N140W TO 50N136W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 52N144W 1011 MB. WITHIN 240 NM N AND W OF A
LINE FROM 49N149W TO 54N149W TO 56N140W TO 53N134W WINDS 20 TO 30
KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 50N147W 1015 MB. WITHIN 300 NM W SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.FROM 33N TO 46N BETWEEN 121W AND 128W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 37N TO 48N BETWEEN 124W AND 128W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 42N TO 51N BETWEEN 126W AND 130W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N AND W OF A LINE
FROM 41N160E TO 48N165W TO 60N168W TO 60N179W...AND FROM 48N TO
56N BETWEEN 135W AND 150W.
.24 HOUR FORECAST DENSE FOG WITHIN 360 NM NW OF A LINE FROM
40N165E TO 50N180W...AND FROM 45N TO 66N BETWEEN 163W AND
180W...AND FROM 53N TO 58N BETWEEN 134W AND 145W.
.48 HOUR FORECAST DENSE FOG S OF THE ALEUTIAN ISLANDS N OF 41N
BETWEEN 180W AND 164E...AND WITHIN THE BERING SEA S OF 63N W OF
161W.

.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 0000 UTC FRI AUG 22.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 23.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 19N130W TO 23N140W TO 09N140W TO 10N132W TO 13N129W TO
19N130W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN E SWELL.
.24 HOUR FORECAST WITHIN 16N132W TO 20N135W TO 21N140W TO
11N140W TO 13N133W TO 16N132W WINDS 20 KT OR LESS. SEAS 2.5 TO
3 M IN E SWELL.
.48 HOUR FORECAST WITHIN 18N138W TO 19N140W TO 11N140W TO
12N138W TO 14N137W TO 18N138W WINDS 20 KT OR LESS. SEAS 2.5 TO
3 M IN E SWELL.

.WITHIN 00N104W TO 03N118W TO 00N140W TO 01S120W TO 03.4S120W TO
03.4S101W TO 00N104W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 02S92W TO 00N107W TO 00N120W TO
03.4S120W TO 03.4S86W TO 02S92W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SE TO S SWELL.
.48 HOUR FORECAST WITHIN 03N85W TO 10N103W TO 08N127W TO
03.4S120W TO 02S82W TO 03N85W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S SWELL.

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

CONVECTION VALID AT 0315 UTC FRI AUG 22...

.SCATTERED MODERATE FROM 13N TO 15N BETWEEN 110W AND 114W
AND WITHIN 60 NM OF 16.5N99W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N83W TO 10N92W TO 10N110W TO
11N120W TO 12N140W. SCATTERED MODERATE TO ISOLATED STRONG WITHIN
120
NM S OF THE TROUGH BETWEEN 94W AND 98W. SCATTERED MODERATE WITHIN

120 NM S OF THE TROUGH BETWEEN 100W AND 107W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0000 UTC AUG 22 2025.
24 HOUR FORECAST VALID 0000 UTC AUG 23 2025.
48 HOUR FORECAST VALID 0000 UTC AUG 24 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N176E 27N174E 25N172E MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS N OF 24N BETWEEN 175W.
.24 HOUR FORECAST TROUGH 30N172E 26N169E.
.48 HOUR FORECAST TROUGH 30N166E 27N163E.

.TROUGH 29N170W 28N172W 25N173W MOVING NW SLOWLY. ISOLATED
MODERATE TSTMS N OF 25N BETWEEN TROUGH AND 167W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 25 KT FROM 16N TO 12N BETWEEN 176W AND 165W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 17N TO 13N E OF 158W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 17N TO 14N E BETWEEN
152W AND 144W.

.SEAS 2.5 TO 3 M FROM 16N TO 10N BETWEEN 175W AND 164W...AND FROM
18N TO 13N E OF 155W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 16N TO 11N BETWEEN 178E
AND 174W...AND FROM 19N TO 12N E OF 159W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 21N TO 13N BETWEEN 164W
AND 141W.

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

.MONSOON TROUGH 12N140W 12N150W THENCE ITCZ 11N160W 10N175W
08N170E 07N166E. ISOLATED MODERATE TSTMS WITHIN 270 NM OF TROUGH
AND ITCZ.

.ISOLATED MODERATE TSTMS FROM 27N TO 21N W OF 165E.


$$

.FORECASTER PIERCE. HONOLULU HI.