537
FZPN01 KWBC 272140
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED AUG 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27.
24 HOUR FORECAST VALID 1800 UTC AUG 28.
48 HOUR FORECAST VALID 1800 UTC AUG 29.

.WARNINGS.

...GALE WARNING...
.LOW 47N164W 1000 MB MOVING NE 25 KT. WITHIN 360 NM E...600 NM
S...AND 420 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5
M.
.18 HOUR FORECAST LOW 54N156W 996 MB. WITHIN 420 NM NE...600 NM
SE...480 NM SW...AND 420 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST LOW 55N156W 999 MB. WITHIN 420 NM OF CENTER
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW 60N150W 1009 MB. WITHIN 180 NM SE...AND 300
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW W OF AREA NEAR 48N148E 984 MB. FROM 43N TO 50N W OF 163E
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW W OF AREA NEAR 49N158E 983 MB. W OF A LINE
FROM 52N165E TO 45N165E TO 41N160E WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST LOW 52N170E 984 MB. W OF A LINE FROM 56N174E TO
52N177W TO 40N179W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.

...GALE WARNING...
.LOW 56N156W 1000 MB MOVING N 10 KT. WITHIN 360 NM NE...AND 420
NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M.
.12 HOUR FORECAST LOW 58N156W 1000 MB. WITHIN 180 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED
BY LOW 55N156W DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.LOW 46N138W 1017 MB MOVING SE 05 KT. WITHIN 480 NM SE AND S
QUADRANTS WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW 45N138W 1018 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 61N163W 995 MB MOVING N 05 KT. WITHIN 240 NM N...180 NM
SW...AND 240 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 64N163W 999 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 67N163W 1005 MB. WITHIN 300 NM S SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.

.24 HOUR FORECAST NEW LOW 41N157W 1013 MB. WITHIN 180 NM EITHER
SIDE OF A LINE FROM LOW CENTER TO 33N170W WINDS TO 25 KT. SEAS TO
2.5 M.
.48 HOUR FORECAST LOW 42N151W 1009 MB. WITHIN 180 NM E
SEMICIRCLE...300 NM SW...AND 420 NM NW QUADRANTS WINDS 20 TO 30
KT. SEAS TO 3 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 300 NM SE OF
A LINE FROM 48N165W TO 54N153W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 53N BETWEEN 164E AND
170E...AND FROM 35N TO 46N E OF 125W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 55N BETWEEN 173E AND
178W.

.FORECASTER BYRD. 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 1800 UTC WED AUG 27.
24 HOUR FORECAST VALID 1800 UTC THU AUG 28.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 29.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JULIETTE NEAR 23.9N 120.2W 1006 MB AT 2100 UTC
AUG 27 MOVING NNW OR 330 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS
40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW
AND SE QUADRANTS...40 NM NE QUADRANT AND 0 NM SW QUADRANT.  SEAS
4 M OR GREATER WITHIN 30 NM S SEMICIRCLE...75 NM NE QUADRANT AND
60 NM NW QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 24N118W
TO 25N119W TO 25N120W TO 23N121W TO 23N119W TO 23N118W TO 24N118W
WINDS 20 TO 33 KT. SEAS 3.0 TO 5.0 M. REMAINDER OF AREA WITHIN
25N116W TO 25N118W TO 24N122W TO 21N122W TO 21N121W TO 22N117W TO
25N116W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIETTE NEAR 26.6N
120.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 27N119W

TO 27N120W TO 27N121W TO 27N120W TO 26N121W TO 26N120W TO
27N119W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M IN SE TO
S SWELL. ELSEWHERE WITHIN 29N118W TO 29N121W TO 28N122W TO
26N122W TO
26N119W TO 29N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JULIETTE NEAR 27.8N
120.8W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT. OVER FORECAST
WATERS...WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 13N97W TO 13N95W TO 14N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 15N104W TO 15N109W TO
13N110W TO 13N108W TO 13N104W TO 13N103W TO 15N104W E WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...NE WINDS
20 TO 25 KT. SEAS TO 2.5 M.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 03S103W TO 02.5S120W TO 03.4S120W TO 03.4S102.5W TO
03S103W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
WITHIN 06N106W TO 07N106W TO 07N107W TO 06N107W TO 05N107W TO
06N106W TO 06N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
SWELL.
.24 HOUR FORECAST WITHIN 01S110W TO 02N120W TO 00N129W TO
01S120W TO 03.4S120W TO 03.4S103W TO 01S110W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 05N112W TO 07N119W TO 03N122W TO
03.4S115W TO 03.4S97W TO 01N110W TO 05N112W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S SWELL.

.48 HOUR FORECAST WITHIN 15N119W TO 15N120W TO 15N121W TO
14N121W TO 14N120W TO 14N119W TO 15N119W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN SE SWELL.

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

CONVECTION VALID AT 2100 UTC WED AUG 27...

.TROPICAL WAVE ALONG 105W...SCATTERED MODERATE TO STRONG FROM 07N
TO 19N BETWEEN 101W AND 116W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 14N110W...THEN RESUMES SW OF T.S.
JULIETTE FROM 18N121W TO 11N140W. SCATTERED MODERATE WITHIN 120
NM ON EITHER SIDE OF MONSOON TROUGH AND E OF 102W.


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$