000
FZPN03 KNHC 262148
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 26.
24 HOUR FORECAST VALID 1800 UTC THU AUG 27.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 28.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE NEAR 22.7N 124.9W 1003 MB AT 2100 UTC AUG
26 MOVING WNW OR 295 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S SEMICIRCLE
...140 NM NE QUADRANT AND 90 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 90 NM S SEMICIRCLE...180 NM NE QUADRANT AND 150 NM NW 
QUADRANT WITH SEAS TO 5.5 M. ELSEWHERE WITHIN 24N121W TO 26N123W 
TO 25N128W TO 20N126W TO 20N124W TO 21N121W TO 24N121W WINDS 20
TO 33 KT. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 30N121W TO
26N126W TO 30N128W TO 21N131W TO 18N127W TO 20N119W TO 30N121W 
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.12 HOUR FORECAST POST-TROPICAL ISELLE NEAR 23.2N 126.2W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 23.9N 
127.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 4 M OR 
GREATER WITHIN 75 NM N SEMICIRCLE...AND 0 NM S SEMICIRCLE WITH
SEAS TO 4.0 M. ELSEWHERE WITHIN 25N126W TO 26N129W TO 26N131W TO
24N131W TO 22N128W TO 23N126W TO 25N126W WINDS 20 TO 30 KT. SEAS
2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 29N128W TO 27N132W TO 
23N134W TO 21N133W TO 21N129W TO 24N125W TO 29N128W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 25.3N 
131.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 26N130W
TO 27N131W TO 26N132W TO 25N132W TO 24N132W TO 25N130W TO 
26N130W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 
28N129W TO 29N133W TO 28N135W TO 25N136W TO 24N134W TO 26N130W TO
28N129W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.

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.

.LOW PRES...INVEST EP93...NEAR 09N107W 1007 MB. WITHIN 12N105W 
TO 14N108W TO 10N109W TO 08N112W TO 06N110W TO 09N105W TO 12N105W
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST LOW PRES...INVEST EP93...POSSIBLE TROPICAL
CYCLONE...NEAR 11.5N111W 1003 MB. WITHIN 15N107W TO 16N111W TO 
14N114W TO 07N117W TO 04N111W TO 07N106W TO 15N107W WINDS 20 TO 
30 KT. SEAS 3.0 TO 4.5 M. ELSEWHERE WITHIN 08N105W TO 16N107W TO
15N115W TO 04N117W TO 00N116W TO 04N108W TO 08N105W WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.5 M IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...INVEST EP93...POSSIBLE TROPICAL
CYCLONE...NEAR 13.5N115.5W 999 MB. WITHIN 19N109W TO 19N118W TO 
07N118W TO 08N111W TO 13N108W TO 19N109W WINDS 20 TO 30 KT. SEAS 
4.0 TO 5.5 M. ELSEWHERE WITHIN 18N107W TO 21N109W TO 19N119W TO 
06N119W TO 03N114W TO 08N106W TO 18N107W WINDS 20 KT OR LESS. 
SEAS 2.5 TO 3.5 M IN MIXED SWELL.

.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 13N97W TO 13N96W
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 30 KT. SEAS BUILDING TO 2.5 M OVERNIGHT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

.WITHIN 02N109W TO 00N117W TO 02N130W TO 00N135W TO 01S117W TO
03S111W TO 02N109W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 05N106W TO 01N115W TO 00N131W TO 
02S120W TO 03.4S120W TO 03.4S105W TO 05N106W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.18 HOUR FORECAST LOW PRES...INVEST EP94...NEAR 12N132.5W 1007
MB. WITHIN 12N131W TO 12N133W TO 10N136W TO 09N135W TO 08N133W 
TO 09N130W TO 12N131W SW TO W WINDS 20 TO 25 KT. SEAS BUILDING TO 
2.5 TO 3.0 M .
.24 HOUR FORECAST LOW PRES...INVEST EP94...NEAR 12N.5N131.5W 1006
MB. WITHIN 10N130W TO 12N133W TO 08N138W TO 07N138W TO 07N135W 
TO 09N131W TO 10N130W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 
M.
.48 HOUR FORECAST LOW PRES...INVEST EP94...POSSIBLE TROPICAL
CYCLONE...NEARLY STATIONARY NEAR 12.5N131.5W 1004 MB. WITHIN 
12N129W TO 13N131W TO 12N135W TO 06N135W TO 06N134W TO 09N129W TO
12N129W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.

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

CONVECTION VALID AT 2100 UTC WED AUG 26...

.TROPICAL STORM ISELLE...SCATTERED MODERATE ISOLATED STRONG 
BETWEEN 75 NM AND 210 NM NE QUADRANT.

.LOW PRES...INVEST EP93...SCATTERED TO NUMEROUS MODERATE TO 
STRONG FROM 02N TO 15N BETWEEN 77W AND 117W. 

.LOW PRES...INVEST EP94...WIDELY SCATTERED MODERATE ISOLATED STRONG
WITHIN 600 NM SE SEMICIRCLE...AND 150 NM NW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 10N74.5W TO 08N88W TO 10N100W 
TO LOW PRES...INVEST EP93...NEAR 09N107W TO 14N118W THEN RESUMES
SE OF TROPICAL STORM ISELLE AT 16N119W TO LOW PRES...INVEST 
EP94...NEAR 10.5N135W TO BEYOND 11N140W. ISOLATED TO WIDELY 
SCATTERED MODERATE TO STRONG WITHIN 300 NM S OF MONSOON TROUGH 
BETWEEN 119W AND 128W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.