FZPN01 KWBC 130408
HSFEP1

HIGH SEAS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU AUG 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 13.
24 HOUR FORECAST VALID 0000 UTC AUG 14.
48 HOUR FORECAST VALID 0000 UTC AUG 15.

.WARNINGS.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW W OF AREA NEAR 39N177E 998 MB. FROM 30N
TO 42N W OF 173W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 43N174W 993 MB. W OF A LINE FROM 30N173W TO
42N162W TO 48N163W.

.SYNOPSIS AND FORECAST.

.FROM 35N TO 54N BETWEEN 124W AND 134W WINDS 20 TO 30 KT. SEAS TO
3 M.
.24 HOUR FORECAST FROM 36N TO 55N BETWEEN 123W AND 137W WINDS TO
25 KT. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

.LOW 47N159W 1002 MB MOVING NE 15 KT. FROM 41N TO 60N BETWEEN
166W AND 149W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 51N155W 1008 MB. WITHIN 300 NM N OF A LINE
FROM 57N168W TO 51N148W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 55N175W 1000 MB MOVING W 05 KT. FROM 48N TO 65N BETWEEN 177E
AND 169W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 54N179W 1002 MB. WITHIN 300 NM W SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 58N
BETWEEN 160W AND 147W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 59N BETWEEN 164W AND
150W.
.48 HOUR FORECAST CONDITIONS IMPROVING.

.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 0000 UTC THU AUG 13.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 14.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHT-E NEAR 18.1N 131.7W 1006 MB AT 0300
UTC AUG 13 MOVING WNW OR 300 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. ELSEWHERE WITHIN 21N131W TO 20N134W TO 18N134W
TO 17N133W TO 17N131W TO 18N130W TO 21N131W WINDS 20 TO 33 KT.
SEAS 2.5 TO 3.5 M.
.12 HOUR FORECAST TROPICAL STORM EIGHT-E NEAR 18.2N 131.9W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM EIGHT-E NEAR 17.9N 132.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 30 NM NW QUADRANT. SEAS TO 4
M OR GREATER 60 NM NW QUADRANT. ELSEWHERE WITHIN 19N131W TO
21N132W TO 20N135W TO 18N135W TO 17N132W TO 19N131W WINDS 20 TO
33 KT. SEAS 3.5 TO 4.0 M. REMAINDER OF AREA WITHIN 21N130W TO
24N133W TO 28N140W TO 11N140W TO 15N132W TO 21N130W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL DEPRESSION EIGHT-E NEAR 17.0N 132.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHT-E NEAR 16.2N
133.2W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE WITHIN
21N130W TO 25N140W TO 17N140W TO 14N136W TO 17N129W TO 21N130W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M PRIMARILY IN N TO NE
SWELL.

...TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE ONE-C CENTERED W OF AREA NEAR 14.8N
143.5W 1002 MB AT 0300 UTC AUG 13 MOVING W OR 280 DEG AT 8 KT.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 0 NM OF CENTER EXCEPT 240 NM NE QUADRANT. SEAS TO 4
M OR GREATER WITHIN 180 NM E SEMICIRCLE...0 NM SW QUADRANT AND
120 NM NW QUADRANT. WITHIN 21N137W TO 26N140W TO 08N140W TO
11N137W TO 14N136W TO 21N137W E TO SE WINDS 20 TO 33 KT. SEAS 2.5
TO 4.0 M.
.06 HOUR FORECAST LITTLE CHANGES OVER FORECAST WATERS E OF 140W
EXCEPT WINDS BELOW TROPICAL STORM STRENGTH.

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

.WITHIN 11N86W TO 12N88W TO 12N89W TO 10N90W TO 10N88W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 30
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 01N105W TO 04N115W TO 00N131W TO 01S120W TO 03.4S120W TO
03.4S102W TO 01N105W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 04N101W TO 06N113W TO 00N128W TO
03.4S120W TO 03S96W TO 04N101W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0300 UTC THU AUG 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 03N100W. ITCZ FROM 08N100W TO
09N118W. SCATTERED MODERATE TO ISOLATED STRONG FROM 04N TO 10N
BETWEEN 85W AND 100W. SCATTERED MODERATE FROM 09N TO 13N BETWEEN
100W AND 110W.


.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.

$$