718
FZPN03 KNHC 260939
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED AUG 26.
24 HOUR FORECAST VALID 0600 UTC THU AUG 27.
48 HOUR FORECAST VALID 0600 UTC FRI AUG 28.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM ISELLE NEAR 21.8N 123.5W 996 MB AT 0900 UTC AUG
26 MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE
QUADRANT...170 NM SE QUADRANT...60 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 4 M OR GREATER WITHIN 180 NM OF CENTER EXCEPT
120 NM SW QUADRANT WITH SEAS TO 7.0 M. ELSEWHERE WITHIN 30N119W
TO 27N128W TO 21N131W TO 17N125W TO 18N118W TO 22N116W TO 30N119W
WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5 M. REMAINDER OF AREA WITHIN
24N120W TO 25N125W TO 23N126W TO 20N125W TO 20N121W TO 20N119W TO
24N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL ISELLE NEAR 22.8N 126.4W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 105 NM NW SEMICIRCLE AND 60 NM SE QUADRANT WITH SEAS TO
4.5 M. ELSEWHERE WITHIN 24N125W TO 25N126W TO 24N130W TO 22N129W
TO 24N127W TO 22N125W TO 24N125W WINDS 20 TO 33 KT. SEAS 2.5 TO
4.5 M. REMAINDER OF AREA WITHIN 26N123W TO 30N129W TO 23N134W TO
19N131W TO 19N128W TO 23N122W TO 26N123W WINDS 20 KT OR LESS.
SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 23.5N
128.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 23.8N
130.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. ELSEWHERE
WITHIN 26N128W TO 29N130W TO 26N134W TO 24N134W TO 22N132W TO
24N129W TO 26N128W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
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 12N86W TO 12N88W TO 11N89W TO 10N89W TO 10N87W TO 11N86W
TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N88W TO 11N89W TO 10N89W TO
10N88W TO 10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N89W TO 10N90W
TO 10N89W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W 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 LITTLE CHANGE.
.06 HOUR FORECAST WITHIN 02S118W TO 01S119W TO 00N121W TO
02S120W TO 03.4S120W TO 03.4S117W TO 02S118W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 02N108W TO 00N114W TO 03.4S115W TO
03.4S106W TO 02N108W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.30 HOUR FORECAST CONDITIONS MERGED WITH SECTION BELOW.
.15 HOUR FORECAST WITHIN 14N105W TO 14N107W TO 14N109W TO
13N109W TO 11N107W TO 12N105W TO 14N105W E TO SE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M. WITHIN 09N106W TO 09N109W TO 07N111W TO
06N111W TO 06N109W TO 06N107W TO 09N106W SW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 13N106W TO 15N109W TO 10N109W TO
07N112W TO 05N108W TO 07N106W TO 13N106W S WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 16N108W TO 17N115W TO 08N115W TO
04N111W TO 06N106W TO 16N108W S WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M.
.24 HOUR FORECAST WITHIN 11N130W TO 11N132W TO 10N134W TO
08N133W TO 08N132W TO 09N130W TO 11N130W SW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 13N127W TO 13N130W TO 11N132W TO
09N131W TO 09N129W TO 11N127W TO 13N127W SW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0840 UTC WED AUG 26...
TROPICAL STORM ISELLE
NUMEROUS MODERATE FROM 21N TO 27N
BETWEEN 118W AND 123W.
INVEST AREA EP93
SCATTERED MODERATE TO STRONG FROM 03N TO 16N
BETWEEN 89W AND 116W.
TROPICAL WAVE NEAR 87W
SCATTERED MODERATE TO STRONG FROM 02N
TO 10N BETWEEN 80W AND 89W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 07N93W TO 09N100W TO
11N115W. THE MONSOON RESUMES SW OF ISELLE NEAR 14N125W AND
CONTINUES SW BEYOND 11N140W. SCATTERED MODERATE FROM 06N TO 15N
BETWEEN 118W AND 130W...AND FROM 01N TO 12N BETWEEN 130W AND
140W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
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