000
FZPN03 KNHC 130909 CCA
HSFEP2

CORRECTED TO ADD 48 HOUR REMARK TO THIRD PARAGRAPH

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC THU AUG 13.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 14.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 15.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM HERNAN NEAR 18.1N 131.9W 1006 MB AT 0900 UTC AUG
13 MOVING W OR 270 DEG AT 2 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E
SEMICIRCLE...30 NM SW QUADRANT AND 35 NM NW QUADRANT. SEAS TO 4 
M OR GREATER WITHIN 0 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE.
ELSEWHERE WITHIN 20N130W TO 21N132W TO 20N134W TO 18N135W TO 17N132W TO
17N131W TO 20N130W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.3N 132.4W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM E SEMICIRCLE...10 NM SW QUADRANT AND 20 NM NW 
QUADRANT. SEAS TO 4 M OR GREATER WITHIN 60 NM W QUADRANT.
ELSEWHERE WITHIN 19N132W TO 19N133W TO 17N134W TO 17N133W TO 
18N132W TO 19N132W WINDS 20 TO 33 KT. SEAS 3.0 TO 4.0 M. REMAINDER
OF AREA WITHIN 22N131W TO 21N137W TO 18N137W TO 16N133W TO 
19N131W TO 19N129W TO 22N131W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN MIXED SWELL. 
.36 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.5N 132.9W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HERNAN NEAR 15.8N 
133.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE 
WITHIN 21N132W TO 21N133W TO 20N135W TO 19N136W TO 18N134W TO 
19N133W TO 21N132W

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 18N136W TO 22N140W TO 08N140W TO 11N137W TO 14N136W TO
18N136W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 24N137W TO 27N140W TO 13N140W TO
21N137W TO 24N137W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN SE
TO S SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 11N86W TO 12N88W TO 11N90W TO 10N91W TO 10N90W TO 10N87W
TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 02N106W TO 04N112W TO 00N124W TO 03.4S120W TO 03.4S100W
TO 02N106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S TO SW
SWELL.
.24 HOUR FORECAST WITHIN 03N96W TO 06N105W TO 06N112W TO 00N128W
TO 03.4S120W TO 03S95W TO 03N96W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 02N102W TO 02N107W TO 01S120W TO
03.4S120W TO 03.4S100W TO 02N102W 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 0900 UTC THU AUG 13...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 07N95W TO 08N110W. ITCZ FROM 
08N110W TO 09N120W. SCATTERED MODERATE TO ISOLATED STRONG 
FROM 05N TO 13N BETWEEN 85W AND 105W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.