573
FZPN01 KWBC 231614
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT AUG 23 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 23.
24 HOUR FORECAST VALID 1200 UTC AUG 24.
48 HOUR FORECAST VALID 1200 UTC AUG 25.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 47N172E 1009 MB. FROM 40N TO 50N
BETWEEN 180W AND 170E WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST LOW 51N179E 1002 MB. WITHIN 360 NM SE
SEMICRICLE WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 57N173W 995 MB. WITHIN 420 NM E AND S
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE WITHIN
300 NM W OF A LINE FROM 50N168W TO 40N178W WINDS 20 TO 30 KT.
SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN LOW NW OF AREA NEAR 60N166E 999 MB MOVING
E 10 KT. N OF 50N W OF ALAKSA...AND BETWEEN 45N AND 60N BETWEEN
170E AND A LINE FROM 45N174E TO 55N170W TO 60N170W WINDS 20 TO 30
KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW NW OF AREA NEAR
58N172E 1006 MB. WITHIN 300 NM NW OF A LINE FROM 45N178W TO
60N162W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST COMBINED LOW 57N176E 1002 MB. CONDITIONS
DESCRIBED WITH LOW 57N173W IN WARNINGS SECTION ABOVE.

.LOW 52N145W 1013 MB MOVING SW 10 KT. WITHIN 360 NM NW SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 50N150W 1015 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LOW 50N154W 1017 MB. WINDS LESS THAN 25 KT.
SEAS LESS THAN 2.5 M.

.LOW 34N170E 1012 MB MOVING NW 10 KT. WITHIN 360 NM NE QUADRANT
WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.FROM 35N TO 50N BETWEEN 124W AND 130W AREA OF N TO NW WINDS LESS
THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 37N TO 51N BETWEEN 125W AND 130W AREA OF N
TO NW WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST FROM 35N TO 55N BETWEEN 124W AND 132W AREA OF N
TO NW WINDS 20 TO 30 KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N
BETWEEN 167W AND 170W...FROM 50N TO 60N BETWEEN 162W AND
170E...AND FROM 41N TO 50N BETWEEN 176E AND 164E.
.24 HOUR FORECAST DENSE FOG FROM 52N TO 62N BETWEEN 160W AND
174W...N OF THE ALEUTIANS BETWEEN ALASKA AND 160W...WITHIN 300 NM
W OF A LINE FROM 50N178W TO 57N171W...AND WITHIN 420 NM W OF A
LINE FROM 44N180W TO 50N178W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 47N BETWEEN 173W AND
172E...FROM 50N TO 60N BETWEEN 167W AND 176W...AND FROM 60N TO
62N BETWEEN ALASKA AND 171W.

.FORECASTER EHRBAR. 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 1200 UTC SAT AUG 23.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 24.
48 HOUR FORECAST VALID 1200 UTC MON AUG 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 18N138W TO 19N140W TO 13N140W TO 13N136W TO 14N136W TO
18N138W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 07N107W TO 09N111W TO 08N120W TO 04N121W TO 04N113W TO
05N94W TO 07N107W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE TO S
SWELL.
.24 HOUR FORECAST LOW PRES NEAR 15N108W 1008 MB. WITHIN 08N103W
TO 14N105W TO 13N117W TO 08N129W TO 02N114W TO 08N103W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN S SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N112W 1006 MB. WITHIN 21N107W TO 15N112W TO 06N136W TO 10N119W
TO 08N109W TO 12N105W TO 21N107W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.

.WITHIN 02S108W TO 01S111W TO 01S120W TO 03.4S120W TO 03.4S92W
TO 02S108W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS 20 KT OR
LESS. SEAS 2.5 M IN SE TO S SWELL.
.24 HOUR FORECAST WITHIN 00N82W TO 04N107W TO 00N119W TO
03.4S120W TO 03.4S81W TO 00N82W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN S SWELL.
.48 HOUR FORECAST WITHIN 05N82W TO 09N101W TO 05N117W TO
03.4S120W TO 01S91W TO 03S81W TO 05N82W...INCLUDING THE GULF OF
PANAMA AND THE GULF OF GUAYAQUIL AND EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN S SWELL.

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

CONVECTION VALID AT 1200 UTC SAT AUG 23...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 15N110W TO BEYOND 11N140W.
SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 14N E OF 102W...
AND 10N TO 18N BETWEEN 103W AND 113W. SCATTERED MODERATE FROM 09N
TO 18N BETWEEN 114W AND 118W...AND 09N TO 13N BETWEEN 122W AND
140W.


.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$