502
FZPN01 KWBC 140416
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU AUG 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 14.
24 HOUR FORECAST VALID 0000 UTC AUG 15.
48 HOUR FORECAST VALID 0000 UTC AUG 16.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 53N138W 998 MB. FRONT TO EXTEND FROM
LOW TO 49N129W. WITHIN 150 NM NE OF FRONT WINDS 25 TO 35 KT.
SEAS TO 3 M. ELSEWHERE WITHIN 900 NM W...720 NM S...360 NM E AND
180 NM N QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST NEAR
48N147W AND 54N150W.
.36 HOUR FORECAST LOW 53N136W 994 MB. WITHIN 300 NM S SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 49N141W.
.48 HOUR FORECAST LOW 53N134W 994 MB. WITHIN 360 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST SW OF
LOW. ELSEWHERE EXCEPT WHERE NOTED BELOW...N OF A LINE FROM
44N124W TO 40N138W TO 53N160W WINDS TO 25 KT. SEAS TO 3
M...HIGHEST S AND SW OF LOW.

...GALE WARNING...
.LOW S OF AREA 29N179E 1010 MB MOVING N 15 KT THEN TURNING NW IN
12 HOURS. FROM 30N TO 35N BETWEEN 170W AND 179E AREA OF SE WINDS
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 35N177E 1006 MB. WITHIN 240 NM E AND 180
NM N QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE
WITHIN 180 NM SW SEMICIRCLE AND 240 NM N QUADRANT AND S OF 38N
BETWEEN 175W AND 178E WINDS 20 TO 30 KT. SEAS TO 3 M...HIGHEST E
OF LOW.
.48 HOUR FORECAST LOW 38N175E 1008 MB. WITHIN 120 NM SE AND 240
NM E QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 4 M. ELSEWERE FROM
35N TO 43N BETWEEN 175W AND 171E WINDS TO 25 KT. SEAS TO 2.5 M.

...GALE WARNING...
.36 HOUR FORECAST N OF 54N BETWEEN 150W AND 156W AREA OF NW
WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 53N TO 60N BETWEEN 148W AND 156W AREA OF
NW WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 56N154W 1007 MB MOVING E 10 KT THEN TURNING SE AFTER 12
HOURS. BETWEEN 120 NM AND 540 NM S QUADRANT AND FROM 46N TO 51N
BETWEEN 136W AND 148W WINDS TO 25 KT. SEAS TO 3 M...HIGHEST NEAR
52N154W.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
ABSORBED BY NEW LOW 53N138W IN WARNINGS SECTION.

.LOW 41N169W 1019 MB MOVING N 10 KT THEN TURNING NE AFTER 12
HOURS. WITHIN 90 NM E SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO
4 M.
.24 HOUR FORECAST LOW 43N165W 1024 MB. CONDITIONS DIMINISHED.
.36 HOUR FORECAST LOW DISSIPATED.

.LOW 50N174W 1010 MB MOVING NE 25 KT. WITHIN 300 NM S...360 NM
SE...180 NM W AND 120 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.COMPLEX LOW WITH MAIN CENTER 46N173E 1008 MB MOVING NE 10 KT.
WITHIN 240 NM NE SEMICIRCLE AND 300 NM S QUADRANT WINDS TO 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N174E 1015 MB.
WITHIN 180 NM N AND NE QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 52N174E 1020 MB. CONDITIONS DIMINISHED.

.LOW INLAND 67N162W 1004 MB MOVING NE 15 KT. N OF 61N BETWEEN
168W AND 164W AREA OF NW WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LOW WELL INLAND. CONDITIONS DIMINISHED.

.WITHIN 300 NM SE OF A LINE FROM 39N145W TO 35N155W AREA OF NE
WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.FROM 41N TO 43N E OF 125W AREA OF NW TO N WINDS 20 TO 30 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.FROM 32N TO 35N E OF 122W AREA OF NW WINDS TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST E OF A LINE FROM 41N128W TO 36N127W TO 31N123W
AREA OF NW WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST FROM 32N TO 40N BETWEEN 120W AND 126W AREA OF
NW TO N WINDS 20 TO 30 KT. SEAS TO 3 M.

.KLYUCHEVSKOY VOLCANO 56.03N 160.38E HAS ERUPTED. VOLCANIC ASH
MAY BE REACHING THE SURFACE WITHIN 90 NM SE OF A LINE FROM
54N174E TO 51N167E TO 49N164E. MARINERS SHOULD EXERCISE CAUTION.
IF MARINERS ENCOUNTER VOLCANIC ASH OR FLOATING VOLCANIC DEBRIS
IN AND NEAR VICINITY YOU ARE ENCOURAGED TO REPORT THE
OBSERVATION TO THE OCEAN PREDICTION CENTER BY CALLING
301-683-1520.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 45N E
OF 125W...FROM 47N TO 50N BETWEEN 134W AND 137W...FROM 43N TO
50N BETWEEN 148W AND 177W...AND WITHIN 180 NM S AND SW OF A LINE
FROM 46N177W TO 46N174E TO 51N170E.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 141W AND
148W...FROM 43N TO 45N BETWEEN 160W AND 177W...AND FROM 44N TO
50N BETWEEN 178W AND 175E.
.48 HOUR FORECAST DENSE FOG E OF A LINE FROM 49N125W TO 41N125W
TO 35N123W...AND FROM 44N TO 53N BETWEEN 169W AND 175E.

.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 0000 UTC THU AUG 14.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 15.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 16.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.36 HOUR FORECAST WITHIN 31N113W TO 32N115W TO 30N115W TO
29N113W TO 29N112W TO 31N113W...INCLUDING THE GULF OF
CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 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 0350 UTC THU AUG 14...

.TROPICAL WAVE WITH AXIS NEAR 90W...SCATTERED MODERATE ISOLATED
STRONG FROM 03N TO 15N BETWEEN 84W AND 94W.

.TROPICAL WAVE WITH AXIS NEAR 106W...SCATTERED MODERATE ISOLATED
STRONG FROM 07N TO 23N BETWEEN 101W AND 116W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 10N110W TO 11N125W TO
11N140W. SCATTERED MODERATE FROM 00N TO 09N E OF 85W...AND FROM
06N TO 12N BETWEEN 116W AND 123W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.