525
FZPN02 KWBC 241125
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC SUN AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 24.
24 HOUR FORECAST VALID 0600 UTC AUG 25.
48 HOUR FORECAST VALID 0600 UTC AUG 26.

.WARNINGS.

...GALE WARNING...
.LOW 47N171E 1011 MB MOVING NE 20 KT. WINDS LESS THAN 25 KT. SEAS
LESS THAN 2.5 M.
.18 HOUR FORECAST LOW 54N178W 1001 MB. WITHIN 240 NM SE AND 300
NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW 56N176W 998 MB. WITHIN 300 NM SE AND 420 NM
S QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE
WITHIN 180 NM EITHER SIDE OF A LINE FROM 42N177E TO 60N165W WINDS
TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 63N167W 993 MB.
WITHIN 180 NM W AND 120 NM E QUADRANTS...N OF 54N W OF 180W...AND
WITHIN 240 NM SE OF A LINE FROM 60N163W TO 55N164W TO 40N179W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN LOW NW OF AREA NEAR 58N170E 1004 MB MOVING
E 10 KT. N OF 64N W OF ALASKA...AND WITHIN 180 NM EITHER SIDE OF
A LINE FROM 46N176E TO 62N166W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 57N175E 1002 MB. CONDITIONS DESCRIBED WITH
LOW 56N176W IN WARNINGS SECTION ABOVE.

.LOW 51N148W 1015 MB MOVING SW 10 KT. WITHIN 360 NM W SEMICIRCLE
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 48N153W 1018 MB. CONDITIONS DIMINISHED.

.LOW 36N170E 1011 MB MOVING NW 10 KT. WITHIN 360 NM NE QUADRANT
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.FROM 39N TO 46N BETWEEN 124W AND 130W AREA OF N TO NW WINDS TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST FROM 37N TO 51N BETWEEN 125W AND 131W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 33N TO 54N BETWEEN 124W AND 132W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 3 M.

.24 HOUR FORECAST LOW 42N162E 1009 MB. WITHIN 240 NM NW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 41N170E 1010 MB. WITHIN 420 NM W QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM EITHER
SIDE OF A LINE FROM 40N166E TO 62N170W...AND WITHIN THE BERING
SEA BETWEEN ALASKA AND 170W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM EITHER SIDE OF A LINE
FROM 41N170E TO 60N165W.
.48 HOUR FORECAST DENSE FOG N OF 60N BETWEEN ALASKA AND
170W...FROM 50N TO 54N BETWEEN 140W AND 146W...AND WITHIN 120 NM
EITHER SIDE OF A LINE FROM 42N180W TO 58N160W.

.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 SUN AUG 24.
24 HOUR FORECAST VALID 0600 UTC MON AUG 25.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 26.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 11N105 TO 13N112W TO 12N120W TO 05N127W TO 04N117W TO
06N98W
TO 11N105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S SWELL.
.18 HOUR FORECAST LOW PRES...EP92...POSSIBLE TROPICAL
CYCLONE...NEAR
15N111W 1007 MB. WITHIN 15N107W TO 13N120W TO 08N127W TO 06N126W
TO
06N109W TO 08N105W TO 15N107W WINDS 20 KT OR LESS...EXCEPT S TO
SW
20 TO 25 KT WINDS FROM 12N TO 15N BETWEEN 109W AND 112W AND FROM
10N
TO 13N BETWEEN 112W AND 120W. SEAS 2.5 TO 3.M IN S TO SW SWELL.
.24 HOUR FORECAST LOW PRES...EP92...POSSIBLE TROPICAL CYCLONE...
NEAR 16N112W 1006 MB. LITTLE CHANGE IN CONDITIONS.
.48 HOUR FORECAST LOW PRES...EP92...POSSIBLE TROPICAL CYCLONE...
NEAR 17N116W 1006 MB. WITHIN 19N112W TO 19N116W TO 15N117W TO
10N123W TO 13N116 TO 15N113W TO 19N112W S TO SW WINDS 20 TO 25
KT.
SEAS 2.5 TO 3.5 M.

.WITHIN 02N89W TO 12N108W TO 07N126W TO 03.4S120W TO 03.4S82W TO
02N89W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS.
SEAS
2.5 TO 3 M IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN 03N80W TO 08N84W TO 01S90W TO 10N95W TO
05N120W TO 03.4S120W TO 03.4S89W TO 02S80W TO 03N80W...INCLUDING
THE
GULF OF GUAYAQUIL AND EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20
KT
OR LESS. SEAS 2.5 TO 4 M IN S SWELL...EXCEPT IN S TO SW SWELL W
OF
103W.
.48 HOUR FORECAST WITHIN 09N85W TO 13N99W TO 05N117W TO 03.4S120W
TO
01S89W TO 03.4S80W TO 09N85W...INCLUDING THE GULF OF PANAMA AND
NEAR
THE AZUERO PENINSULA AND THE GULF OF GUAYAQUIL AND EXCEPT LEE OF
GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S
SWELL...EXCEPT IN S TO SW SWELL W OF 103W.

.WITHIN 16N138W TO 17N140W TO 11N140W TO 12N138W TO 14N137W TO
16N138W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED NE AND SE
SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.42 HOUR FORECAST WITHIN 10N86W TO 11N86W TO 11.5N87W TO 11N88W
TO
10N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25
KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE...EXCEPT SEAS TO 2.5 M.

.48 HOUR FORECAST WITHIN 16N95W TO 16N95.5W TO 15N96W TO
15N95W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC...
N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.

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

CONVECTION VALID AT 0900 UTC SUN AUG 24...

.SCATTERED MODERATE ISOLATED STRONG FROM 15N TO 18N BETWEEN
100W AND 106W.

.SCATTERED MODERATE FROM 14N TO 17N BETWEEN 114W AND 120W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 11N92W TO 13N100W
TO
LOW PRES NEAR 15N105W 1007 MB...THEN TO 11N128W TO 12N140W.
NUMEROUS
MODERATE ISOLATED STRONG FROM 08N TO 10N BETWEEN 97W AND 102W AND

FROM 09N TO 11N BETWEEN 109W AND 112W. SCATTERED MODERATE FROM
08N
TO 11N BETWEEN 105W AND 109W...WITHIN 60 NM S OF THE TROUGH
BETWEEN
84W AND 85W...BETWEEN 87W AND 90W AND WITHIN 30 NM OF THE TROUGH
BETWEEN 115W AND 118W.

.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 0600 UTC AUG 24 2025.
24 HOUR FORECAST VALID 0600 UTC AUG 25 2025.
48 HOUR FORECAST VALID 0600 UTC AUG 26 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 27N171E 22N166E MOVING NW SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 14N165W 10N164W MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 240 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 14N170W 10N170W.
.48 HOUR FORECAST TROUGH 14N175W 10N175W.

.24 HOUR FORECAST NEW TROUGH 30N178E 25N178W.
.48 HOUR FORECAST TROUGH 30N178E 23N179E.

.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 14N TO 12N BETWEEN
153W AND 157W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 12N BETWEEN
156W AND 159W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3.5 M FROM 17N TO 11N BETWEEN 147W AND 156W.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M FROM 16N TO 11N BETWEEN
149W AND 160W.
.48 HOUR FORECAST SEAS 2.5 TO 3.0 M FROM 15N TO 11N BETWEEN
156W AND 163W.

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

.MONSOON TROUGH 11N140W 11N144W. ISOLATED MODERATE TSTMS WITHIN
270 NM OF TROUGH.

.ITCZ 11N146W 12N151W 07N160W. ISOLATED MODERATE TSTMS WITHIN
240 NM OF ITCZ.

.ISOLATED MODERATE TSTMS FROM 18N TO 14N BETWEEN 174E AND 166E.

$$

.FORECASTER THOMAS. HONOLULU HI.