767
FZPN01 KWBC 082224
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI AUG 08 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 08.
24 HOUR FORECAST VALID 1800 UTC AUG 09.
48 HOUR FORECAST VALID 1800 UTC AUG 10.

.WARNINGS.

...GALE WARNING...
.LOW 49N161W 990 MB MOVING NE 15 KT. WITHIN 180 NM S AND 420 NM
E QUADRANTS AND WITHIN 240 NM SE OF A FRONT FROM 49N157W TO
44N160W TO 40N165W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST
NEAR 46N157W. ELSEWHERE WITHIN 840 NM SW SEMICIRCLE...660 NM E
AND 300 NM N QUADRANTS WINDS TO 25 KT. SEAS TO 3.5 M...HIGHEST
SW OF LOW NEAR 42N170W.
.24 HOUR FORECAST LOW 54N152W 997 MB. WITHIN 240 NM S AND 480 NM
SE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5 M...HIGHEST NEAR
48N151W. ELSEWHERE N OF 49N BETWEEN 132W AND 157W AND WITHIN 240
NM E OF A LINE FROM  49N152W TO 42N158W WINDS TO 25 KT. SEAS 2.5
TO 4 M...EXCEPT N OF 56N SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 60N141W 1011 MB. WITHIN 420 NM SE AND S
QUADRANTS WINDS TO 25 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 55N137W.

...GALE WARNING...
.FROM 33N TO 43N BETWEEN 123W AND 130W AREA OF N TO NW WINDS 20
TO 30 KT. SEAS TO 3.5 M...HIGHEST NEAR 40N126W.
.06 HOUR FORECAST FROM 40N TO 43N BETWEEN 124W AND 127W AREA OF
N WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST FROM 41N TO 43N BETWEEN 124W AND 127W AREA OF
N WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M...HIGHEST NEAR 41N126W.
ELSEWHERE BETWEEN 123W AND A LINE FROM 44N127W TO 42N130W TO
33N137W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST WITHIN AN AREA BOUNDED BY A LINE FROM 50N128W
TO 33N142W TO 34N129W TO 43N124W TO 49N127W TO 50N128W AREA OF N
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M...HIGHEST NEAR 40N129W.

.SYNOPSIS AND FORECAST.

.FROM 47N TO 52N W OF 167E AREA OF SE WINDS TO 25 KT. SEAS TO 3
M.
.24 HOUR FORECAST N OF 46N BETWEEN 172E AND 165E AREA OF S TO SE
WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST NEW LOW NW OF AREA 58N171E 991 MB. WITHIN 420
NM E AND 240 NM S QUADRANTS AND FROM 46N TO 55N BETWEEN 180W AND
175E WINDS 20 TO 30 KT. SEAS TO 3 M.

.LOW 64N166W 1002 MB MOVING NE 10 KT. N OF 63N BETWEEN 167W AND
171W AREA OF N TO NW WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW INLAND NEAR 65N158W 999 MB. N OF 61N
BETWEEN 163W AND 171W AREA OF NW WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW WELL INLAND. CONDITIONS DIMINISHED.

.DISSIPATING FRONT EXTENDS FROM 54N132W TO 49N129W. E OF FRONT
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER 39N163W 1007
MB. WITHIN 420 NM SE SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4
M.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 49N157W 1011 MB
AND SECOND CENTER NEAR 38N162W 1008 MB. WITHIN 480 NM E AND SE
QUADRANTS OF FIRST CENTER AND WITHIN 420 NM SE SEMICIRCLE OF
SECOND CENTER WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR
38N161W.

.KLYUCHEVSKOY VOLCANO 56.03N 160.38E CONTINUES TO ERUPT.
VOLCANIC ASH MAY BE REACHING THE SURFACE WITHIN 60 NM OF A LINE
FROM 55N171E TO 51N177E TO 45N178E. MARINERS SHOULD EXERCISE
CAUTION. IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC
DEBRIS YOU ARE ENCOURAGED TO REPORT THE OBSERVATION TO THE OCEAN
PREDICTION CENTER BY CALLING 301-683-1320.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 52N
BETWEEN 133W AND 162W...AND W OF A LINE FROM 40N172E TO 51N163E.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM SE OF A LINE FROM
54N134W TO 53N151W...AND N OF 39N W OF 171E.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM E OF A LINE FROM
54N151W TO 50N156W TO 44N156W...FROM 47N TO 57N BETWEEN 178E AND
170E AND FROM 40N TO 47N W OF 176E.

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.

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 FRI AUG 8.
24 HOUR FORECAST VALID 1800 UTC SAT AUG  9.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 10.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM IVO NEAR 20.4N 111.2W 999 MB AT 2100 UTC AUG 08
MOVING W OR 275 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER
EXCEPT 20 NM SW QUADRANT.  SEAS 4 M OR GREATER WITHIN 30 NM NW
AND SE QUADRANTS...75 NM NE QUADRANT AND 0 NM SW QUADRANT WITH
SEAS TO 5.0 M. ELSEWHERE WITHIN 21N110.5W TO 21N111.5W TO
20N111.5W TO 20N110.5W TO 21N110.5W WINDS 20 TO 33 KT. SEAS 3.0
TO 4.0 M. REMAINDER OF AREA WITHIN 22N108W TO 23N109W TO 23N111W
TO 21N112W TO 20N112W TO 20N109W TO 22N108W WINDS 20 KT OR LESS
SEAS 2.5 TO 3.0 M IN SE TO S SWELL.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 20.7N 114.0W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. LITTLE CHANGE IN TROPICAL
STORM FORCE WINDS. SEAS 4 M OR GREATER WITHIN 75 NM NE
QUADRANT...30 NM SE QUADRANT...0 NM SW QUADRANT AND 45 NM NW
QUADRANT WITH SEAS TO 5.0 M. ELSEWHERE WITHIN 21N113.5W TO
21N114.5W TO 20.5N114.5W TO 20.5N114W TO 20.5N113.5W TO 21N113.5W
WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER OF AREA WITHIN
22N112W TO 23N113W TO 22N115W TO 21N115W TO 20N113W TO 21N112W TO
22N112W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E TO SE SWELL.
.48 HOUR FORECAST TROPICAL STORM IVO NEAR 21.5N 117.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM N SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS LESS THAN
4 M. ELSEWHERE WITHIN 22N117W TO 22N118W TO 21.5N118W TO
21.5N117.5W TO 21.5N117W TO 22N117W WINDS 20 TO 33 KT. SEAS 3.0
TO 3.5 M. REMAINDER OF AREA WITHIN 22N115W TO 23N116W TO 23N118W
TO 22N118W TO 20N117W TO 20N115W TO 22N115W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN E TO SE SWELL.

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.

.GULF OF CALIFORNIA WITHIN 31N113W TO 31N114W TO 30N114W TO
30N113W
TO 31N113W SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 21N137W TO 23N138W TO 24N140W TO 09N140W TO 19N139W TO
21N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED E AND SW
SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.WITHIN 10N113W TO 11N121W TO 05N124W TO 05N120W TO 04N118W TO
05N114W TO 10N113W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 07N120W TO 09N126W TO 04N129W TO
00N128W TO 01N124W TO 03.4S108W TO 07N120W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 08N129W TO 09N129W TO 08N130W TO
07N131W TO 06N131W TO 07N130W TO 08N129W WINDS 20 KT OR LESS.
SEAS 2.5 M IN S TO SW SWELL.

.WITHIN 03S119W TO 02.5S120W TO 03.4S120W TO 03.4S118.5W TO
03S118.5W TO 03S119W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW
SWELL.
.24 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF S TO SW SWELL
DESCRIBED ABOVE.

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

CONVECTION VALID AT 2040 UTC FRI AUG 8...

.TROPICAL STORM IVO...NUMEROUS STRONG WITHIN 60 NM W AND 30 NM E
SEMICIRCLES. SCATTERED MODERATE TO STRONG ELSEWHERE FROM 16N TO
23N BETWEEN 105W AND 113W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 1010 MB LOW PRESSURE NEAR 10N77W TO 07N92W
TO 14.5N112W TO 06.5N130 TO 11.5N13840W TO 11N140W. SCATTERED
MODERATE CONVECTION FROM 03N TO 07N E OF 90W...FROM 06N TO 09N
BETWEEN 92W AND 102W...FROM 07.5N TO 13.5N BETWEEN 107W AND
115W...AND FROM 10N TO 12N W OF 137W.


$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.