168
FZPN01 KWBC 110952
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE AUG 11 2026

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0600 UTC AUG 11.
24 HOUR FORECAST VALID 0600 UTC AUG 12.
48 HOUR FORECAST VALID 0600 UTC AUG 13.

.WARNINGS.

...GALE WARNING...
.FROM 38N TO 42N BETWEEN 124W AND 127W WINDS 25 TO 35 KT. SEAS 3
TO 4 M. ELSEWHERE FROM 36N TO 44N BETWEEN 123W AND 130W WINDS 20
TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 36N TO 43N BETWEEN 123W AND 130W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST FROM 37N TO 43N BETWEEN 123W AND 130W WINDS 20
TO 30 KT. SEAS 2.5 TO 4 M.

.SYNOPSIS AND FORECAST.

.LOW 46N157W 1008 MB MOVING NE 10 KT THEN TURNING NW. WITHIN 180
NM E AND SE OF A LINE FROM 45N154W TO 37N162W WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATE WITH CONDITIONS DESCRIBED WITH
LOW 44N161W 1000 MB.

.LOW 43N165W 1007 MB MOVING SE 15 KT. FROM 38N TO 46N BETWEEN
166W AND 176W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 44N161W 1000 MB. FROM 40N TO 48N BETWEEN
159W AND 166W...ALSO FROM 38N TO 48N BETWEEN 151W AND 158W WINDS
TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 47N159W 1004 MB. WITHIN 300 NM S
SEMICIRCLE...ALSO FROM 44N TO 52N BETWEEN 148W AND 155W...ALSO
FROM 57N TO 60N BETWEEN 154W AND 164W WINDS 20 TO 30 KT. SEAS TO
3 M.

.24 HOUR FORECAST LOW 56N180W 1000 MB. FROM 50N TO 57N BETWEEN
173W AND 174E WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 54N174W 999 MB. FROM 51N TO 55N BETWEEN
175W AND 180W WINDS TO 25 KT. SEAS TO 2.5 M.

.48 HOUR FORECAST FROM 47N TO 54N BETWEEN 125W AND 133W WINDS TO
25 KT. SEAS TO 3 M.

.48 HOUR FORECAST S OF 38N W OF 178W WINDS TO 25 KT. SEAS TO 2.5
M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 48N
BETWEEN 150W AND 159W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 53N BETWEEN 141W AND
163W...AND FROM 48N TO 56N W OF 177W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 58N BETWEEN 140W AND
162W.

.FORECASTER SHAW. 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 0600 UTC TUE AUG 11.
24 HOUR FORECAST VALID 0600 UTC WED AUG 12.
48 HOUR FORECAST VALID 0600 UTC THU AUG 13.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 15N126W TO 20N140W TO 07N140W TO 10N134W TO 11N128W TO
15N126W SE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN SE SWELL.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
15N134W 1006 MB. WITHIN 15N133W TO 20N131W TO 21N140W TO 07N140W
TO 10N133W TO 15N133W SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M IN
SE SWELL.
.48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
18N133W 1008 MB. WITHIN 19N130W TO 21N131W TO 26N140W TO 07N140W
TO 12N133W TO 19N130W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5
M.

.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST CONDITIONS IMPROVE. N WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.

.WITHIN 11N86W TO 12N89W TO 11N90W TO 10N89W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.18 HOUR FORECAST WITHIN 00N117W TO 02N126W TO 00N134W TO
03.4S120W TO 01S120W TO 03.4S112W TO 00N117W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 00N108W TO 02N130W TO 00N135W TO
02S120W TO 03.4S120W TO 03S106W TO 00N108W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03N106W TO 04N111W TO 00N131W TO
02S120W TO 03.4S120W TO 03.4S98W TO 03N106W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

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

CONVECTION VALID AT 0800 UTC TUE AUG 11...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N77W TO 07N80W TO 09N85W. ITCZ FROM 08N90W
TO 08N108W. MONSOON TROUGH FROM 10N114W TO 16N125W TO BEYOND
11N140W. SCATTERED MODERATE FROM 05N TO 07N BETWEEN 82W AND
85W...FROM 04N TO 07N BETWEEN 95W AND 105W...FROM 08N TO 18N
BETWEEN 107W AND 110W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.