293
FZPN01 KWBC 290932
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 29.
24 HOUR FORECAST VALID 0600 UTC AUG 30.
48 HOUR FORECAST VALID 0600 UTC AUG 31.

.WARNINGS.

...GALE WARNING...
.LOW 51N165E 981 MB MOVING NE 15 KT. WITHIN 240 NM NE AND E OF A
FRONT EXTENDING FROM 54N168E TO 52N174W TO 49N176E TO
44N174E...AND WITHIN 360 NM S QUADRANT WINDS 35 TO 45 KT. SEAS 4
TO 7.5 M...HIGHEST NEAR 46N162E. ELSEWHERE FROM 39N TO 56N
BETWEEN 176W AND 160E WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 54N175E 982 MB. WITHIN 240 NM NW QUADRANT
AND WITHIN 180 NM NE AND E OF A FRONT TO EXTEND FROM 59N176W TO
55N172W TO 51N172W WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE
W OF A LINE FROM 63N173W TO 56N161W TO 42N172W...AND WITHIN 300
NM E AND SE OF A FRONT TO EXTEND FROM 42N179W TO 38N177E WINDS 25
TO 35 KT. SEAS 3 TO 6.5 M...HIGHEST NEAR 49N176E.
.48 HOUR FORECAST LOW 56N179E 985 MB. WITHIN 360 NM SW AND W
QUADRANTS...AND WITHIN 180 NM E OF A FRONT TO EXTEND FROM 61N168W
TO 54N166W TO 48N169W WINDS 30 TO 40 KT. SEAS 3 TO 5.5 M.
ELSEWHERE FROM 46N TO 66N BETWEEN 160W AND 170E...AND WITHIN 180
NM E AND SE OF A FRONT TO EXTEND FROM 46N170W TO 40N174W TO
37N180W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.

...GALE WARNING...
.LOW 59N153W 1006 MB MOVING NE 20 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE N OF 53N BETWEEN 144W
AND 160W WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND WITH NEW LOW TO FORM NEAR
60N147W 1018 MB. FROM 58N TO 60N BETWEEN 145W AND 153W WINDS 20
TO 30 KT. SEAS TO 3 M.
.36 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 46N152W 1011 MB NEARLY STATIONARY. FROM 33N TO 48N BETWEEN
149W AND 164W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR
42N152W 1004 MB. WITHIN 360 NM W  SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 42N154W 1002 MB. WITHIN 240 NM W QUADRANT
WINDS 35 TO 45 KT. SEAS 3 TO 5.5 M. ELSEWHERE FROM 38N TO 48N
BETWEEN 145W AND 161W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 38N155W 1003 MB. FROM 34N TO 42N BETWEEN
149W AND 161W WINDS 25 TO 35 KT. SEAS TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 67N164W 999 MB MOVING NE 15 KT. N OF 62N BETWEEN 163W AND
169W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 52N TO 57N BETWEEN 132W AND 137W WINDS 20
TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM E OF A
LINE FROM 53N172E TO 49N174E TO 43N173E.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 49N174W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM E OF A LINE FROM
52N169W TO 48N170W.

.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 FRI AUG 29.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 30.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 31.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13N113.5W 1010 MB. WITHIN 14N114W TO 15N114W TO
15N115W TO 14N115W TO 14N114W WINDS 20 KT OR LESS. SEAS 2.5 M IN
SE SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N118.5W 1008 MB. WITHIN 15N117W TO 16N117W TO 16N119W TO
15N119W TO 14N119W TO 14N118W TO 15N117W WINDS 20 KT OR LESS.
SEAS 2.5 M IN SE TO S SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N121.5W 1007 MB. WITHIN 16N121W TO 16N121.5W TO 15.5N121.5W TO
15N120.5W TO 15.5N120.5W TO 16N121W E TO SE WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN SE SWELL. ELSEWHERE WITHIN 17N120W TO
17N122W TO 15N122W TO 15N120W TO 17N120W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED SE AND SW SWELL.

.WITHIN 02N113W TO 06N116W TO 02N125W TO 03N140W TO 03.4S120W TO
03.4S100W TO 02N113W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED SE
AND SW SWELL.
.24 HOUR FORECAST WITHIN 07N110W TO 10N114W TO 05N121W TO
02N120W TO 04N111W TO 03N101W TO 07N110W WINDS 20 KT OR LESS.
SEAS 2.5 M IN MIXED SE AND SW SWELL. WITHIN 03S89W TO 02S101W TO
03.4S109W TO 03.4S89W TO 03S89W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.LOW PRES NEAR 26N121.5W 1012 MB. WITHIN 28N121W TO 28N122W TO
27N123W TO 27N122W TO 27N121W TO 28N121W WINDS 20 KT OR LESS.
SEAS 2.5 M IN SE TO S SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

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

CONVECTION VALID AT 0800 UTC FRI AUG 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N74W TO 08N79W TO LOW PRES 1010 MB NEAR
13N113.5W TO LOW PRES 1011 MB NEAR 12.5N127W TO 10.5N136W. ITCZ
FROM 10.5N136W TO BEYOND 10.5N140W. SCATTERED MODERATE ISOLATED
STRONG CONVECTION FROM 04N TO 13.5N E OF 90W...FROM 08N TO 16.5N
BETWEEN 90W AND 100W...AND FROM 07N TO 17N BETWEEN 100W AND
130W.

.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$