995
FZPN01 KWBC 282216
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC THU AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 28.
24 HOUR FORECAST VALID 1800 UTC AUG 29.
48 HOUR FORECAST VALID 1800 UTC AUG 30.

.WARNINGS.

...GALE WARNING...
.LOW 50N159E 982 MB. MOVING NE 20 KT. W OF A LINE FROM 54N170E TO
48N175E TO 39N173E WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 52N171E 982 MB. W OF A LINE FROM 58N170W TO
50N170W TO 39N179W WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW 56N177E 983 MB. WITHIN AN AREA BOUNDED BY A
LINE FROM 52N165E TO 37N178W TO 53N160W TO 64N161W TO 64N171W TO
52N165E WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.

...GALE WARNING...
.LOW 56N157W 998 MB MOVING NE 20 KT. WITHIN 360 NM E OF A LINE
FROM 59N157W TO LOW CENTER TO 47N153W WINDS 25 TO 35 KT. SEAS TO
3.5 M. ELSEWHERE WITHIN 480 NM W QUADRANT WINDS 20 TO 30 KT. SEAS
TO 3 M.
.24 HOUR FORECAST LOW 62N150W 1008 MB. WITHIN 240 NM S AND SW
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. NEW LOW TO FORM NEAR 60N146W
1021 MB. WITHIN 180 NM S SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5
M.

...GALE WARNING...
.LOW 44N155W 1012 MB MOVING SE 10 KT. WITHIN 300 NM EITHER SIDE
OF A LINE FROM 44N156W TO 38N159W TO 33N170W WINDS TO 25 KT. SEAS
TO 2.5 M.
.24 HOUR FORECAST LOW 42N151W 1012 MB. WITHIN 420 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW 40N154W 1000 MB. WITHIN 480 NM NE...120 NM
SE...360 NM SW...AND 240 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MEAN CENTER 43N139W 1017 MB NEARLY STATIONARY.
WITHIN 240 NM OF CENTER WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 43N139W 1012 MB.
WITHIN 240 NM OF CENTER WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COMBINED LOW 44N132W 1016 MB. ASSOCIATED
CONDITIONS DIMINISHED.

.LOW 65N161W 996 MB MOVING NW 05 KT. WITHIN 300 NM W SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 67N163W 1004 MB. WITHIN 300 NM SW
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW WELL NE OF AREA...ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 40N TO 51N E OF
124W...N OF 43N BETWEEN 164E AND 168E...AND FROM 55N TO 60N
BETWEEN 148W AND 137W.
.24 HOUR FORECAST DENSE FOG FROM 37N TO 51N E OF 124W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 54N BETWEEN 170W AND
165W.

.FORECASTER BYRD. OCEAN PREDICTION CENTER.


E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC THU AUG 28.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 29.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 30.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES...REMNANTS OF JULIETTE...NEAR 26N121.5W 1010 MB. WITHIN

26N119W TO 28N120W TO 27N122W TO 26N122W TO 25N120W TO 26N121.5W
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M. REMAINDER OF AREA WITHIN
27N119W TO 28N122W TO 26N123W TO 25N121W TO 26N120W TO 27N118W
WINDS
20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.18 HOUR FORECAST WEAKENING LOW PRES NEAR 27N121W 1012 MB. WINDS
20
KT OR LESS. SEAS LESS THAN 2.5 M.

.TROPICAL WAVE NEAR 113.5W FROM 05N TO 19N WITH LOW PRES NEAR
14N113W 1012 MB. WITHIN 15N106W TO 16N109W TO 15N111W TO 13N110W
TO
13N108W TO 13N106W TO 15N106W WINDS 20 KT OR LESS. SEAS 2.5 M IN
SE
TO S SWELL.
.24 HOUR FORECAST TROPICAL WAVE NEAR 118W WITH LOW
PRES...POSSIBLE
TROPICAL CYCLONE...NEAR 14N118W 1009 MB. WITHIN 16N115W TO
17N113W
TO 17N116W TO 16N117W TO 14N117W TO 14N115W TO 16N115W NE TO E
WINDS
20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
15N121W 1008 MB. WITHIN 16N119W TO 17N122W TO 16N122W TO 15N121W
TO
14N120W TO 14N119.5W TO 16N119W WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M.

.WITHIN 16N94W TO 16N95W TO 14N96W TO 14N95W TO 15N94W TO
16N94W...
INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT.
SEAS
2.5 TO 3 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.WITHIN 02N108W TO 03N119W TO 00N137W TO 01S120W TO 03.4S120W TO
03.4S98W TO 02N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 00N96W TO 01N109W TO 01S120W TO
03.4S120W
TO 03.4S88W TO 00N96W...EXCEPT LEE OF GALAPAGOS ISLANDS...WINDS
20
KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03S93W TO 01S102W TO 02S106W TO 03S116W
TO
03.4S116W TO 03.4S93W TO 03S93W...EXCEPT LEE OF GALAPAGOS
ISLANDS...
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO SW SWELL.

.24 HOUR FORECAST WITHIN 08N108W TO 10N112W TO 08N122W TO 05N125W
TO
01N123W TO 01N110W TO 08N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3
M
IN S SWELL. WITHIN 06N93W TO 09N98W TO 08N103W TO 05N108W TO
01N105W
TO 03N96W TO 06N93W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN S TO
SW
SWELL.
.48 HOUR FORECAST WITHIN 07N96W TO 06N107W TO 03N105W TO 04N99W
TO
03.5NN94W TO 07N96W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED
SE
AND SW SWELL.

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

CONVECTION VALID AT 2015 UTC THU AUG 28...

.TROPICAL WAVE ALONG 113.5W FROM 05N TO 19N WITH LOW PRES NEAR
14N113W 1012 MB...SCATTERED MODERATE ISOLATED STRONG FROM 11N TO
16N
BETWEEN 111W AND 113W AND FROM 12.5N TO 15N BETWEEN 98W AND 103W.

.SCATTERED MODERATE ISOLATED STRONG FROM 11.5N TO 14N BETWEEN
97W AND 103W.

.SCATTERED MODERATE WITHIN 30 NM OF LINE FROM 14.5N113W TO
16N112W
AND FROM 15N116W TO 16N115W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 10N100W TO LOW PRES
NEAR
14N113W 1012 MB TO 15N120W TO LOW PRES NEAR 13N127W 1012 MB TO
11N140W. NUMEROUS MODERATE TO STRONG FROM 04N TO 09N BETWEEN 80W
AND
88W. SCATTERED MODERATE WITHIN 120 NM S OF THE TROUGH BETWEEN 97W

AND 105W AND BETWEEN 107W AND 111W.


.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$