000
FZPN03 KNHC 242150
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MON AUG 24.
24 HOUR FORECAST VALID 1800 UTC TUE AUG 25.
48 HOUR FORECAST VALID 1800 UTC WED AUG 26.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ISELLE NEAR 19.2N 118.0W 988 MB AT 2100 UTC AUG
24 MOVING NW OR 310 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...170 NM SE QUADRANT...110 NM SW QUADRANT...AND 60 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE QUADRANT... 
180 NM SE QUADRANT...90 NM SW QUADRANT...AND 150 NM NW QUADRANT 
WITH SEAS TO 8.5 M. ELSEWHERE WITHIN 21N114W TO 22N116W TO 21N120W
TO 18N119W TO 15N116W TO 19N114W TO 21N114W WINDS 20 TO 33 KT. 
SEAS 3.0 TO 6.0 M. REMAINDER OF AREA WITHIN 25N115W TO 22N120W 
TO 18N122W TO 10N122W TO 10N118W TO 18N112W TO 25N115W WINDS 20 
KT OR LESS. SEAS 2.5 TO 4.5 M IN SE TO S SWELL.
.12 HOUR FORECAST HURRICANE ISELLE NEAR 20.14N 119.4W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. SEAS TO 9.0 M.
.24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 20.9N 121.3W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM W SEMICIRCLE...140 NM NE QUADRANT AND 180 NM 
SE QUADRANT. SEAS 4 M OR GREATER WITHIN 240 NM NE 
SEMICIRCLE...210 NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS 
TO 9.0 M. ELSEWHERE WITHIN 23N117W TO 24N120W TO 21N123W TO 
19N119W TO 16N119W TO 19N116W TO 23N117W WINDS 20 TO 33 KT. SEAS 
4.0 TO 6.0 M. REMAINDER OF AREA WITHIN 23N114W TO 26N114W TO 
28N117W TO 27N122W TO 20N126W TO 12N118W TO 23N114W WINDS 20 KT 
OR LESS. SEAS 2.5 TO 4.5 M IN S TO SE SWELL.
.48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 21.9N 124.9W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 40
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM N 
SEMICIRCLE... 180 NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS
TO 7.0 M. ELSEWHERE WITHIN 26N123W TO 24N126W TO 21N125W TO 
22N123W TO 22N121W TO 23N120W TO 26N123W WINDS 230 TO 33 KT. SEAS
3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 27N119W TO 29N123W TO 
27N128W TO 20N131W TO 18N126W TO 20N119W TO 27N119W WINDS 20 KT 
OR LESS. SEAS 2.5 TO 4.5 M IN E TO SE SWELL.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN-E NEAR 13.5N 120.8W 1006 MB AT 2100 UTC
AUG 24 MOVING N OR 010 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 30 
KT GUSTS 40 KT. WITHIN 14N118W TO 14N120W TO 11N121W TO 11N120W 
TO 12N119W TO 14N118W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. 
.12 HOUR FORECAST TROPICAL STORM TEN-E NEAR 14.9N 120.1W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. SEAS TO 3.5 M. 
.24 HOUR FORECAST TROPICAL STORM TEN-E NEAR 18.1N 119.9W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 4 
M WITHIN 90 NM E SEMICIRCLE. ELSEWHERE WITHIN 19N119W TO 19N120W 
TO 18N119W TO 18N120W TO 18N119W TO 19N119W WINDS 20 TO 33 KT. 
SEAS 2.5 TO 4.0 M.
.36 HOUR FORECAST...DISSIPATED.

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.

.09 HOUR FORECAST WITHIN 11N86.5W TO 11N87.5W TO 10.5N87.5W TO 
10.5N87W TO 11N86.5W...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 16N94.5W TO 16N95W TO 15N95.5W TO
14.5N95.5W TO 14.5N95W TO 15N94.5W TO 16N94.5W...INCLUDING THE
GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N N WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.36 HOUR FORECAST WITHIN 00N133W TO 03.4S120W TO 03.4S118W TO
03S119W TO 00N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW 
SWELL.
.48 HOUR FORECAST WITHIN 01N108W TO 00N118W TO 03N125W TO 
00N134W TO 01S120W TO 03.4S109W TO 01N108W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.

.42 HOUR FORECAST WITHIN 11N133W TO 11N134W TO 10N135W TO
10N134W TO 11N133W S TO SW WINDS 20 TO 25 KT. SEAS TO 2.5 M IN S
TO SW SWELL.
.48 HOUR FORECAST WITHIN 11N132W TO 12N133W TO 11N134W TO 
10N135W TO 10N134W TO 10N133W TO 11N132W S TO SW WINDS 20 TO 25 
KT. SEAS TO 2.5 M IN S TO SW SWELL.

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

CONVECTION VALID AT 2030 UTC MON AUG 24...

.TROPICAL STORM ISELLE...NUMEROUS MODERATE TO STRONG FROM 18N TO
21.5N BETWEEN 115W AND 119W AND SCATTERED TO LOCALLY NUMEROUS 
MODERATE ISOLATED STRONG ELSEWHERE FROM 14N TO 23N BETWEEN 109W 
AND 120W.

.TROPICAL DEPRESSION TEN-E...NUMEROUS MODERATE TO STRONG 
WITHIN 75 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09.5N74.5W TO 07N80W TO 09N94W TO 05.5N104W 
TO 09N111W...THEN RESUMES SW OF ISELLE FROM 15N120W TO LOW PRES 
NEAR 13N121W 1006 MB TO 11N124W TO 11N133W TO BEYOND 07N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 04.5N TO 10N 
E OF 93W. SCATTERED TO LOCALLY NUMEROUS MODERATE ISOLATED 
STRONG CONVECTION FROM 02.5N TO 17N BETWEEN 93W AND 103W. 
SCATTERED MODERATE CONVECTION FROM 08N TO 16N BETWEEN 103W AND 
110W. SCATTERED MODERATE TO STRONG CONVECTION FROM 02.5N TO 15N 
W OF 118W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.