152
FZPN03 KNHC 260422
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC WED AUG 26.
24 HOUR FORECAST VALID 0000 UTC THU AUG 27.
48 HOUR FORECAST VALID 0000 UTC FRI AUG 28.
.WARNINGS.
..TROPICAL STORM WARNING
.TROPICAL STORM ISELLE NEAR 21.3N 122.5W 996 MB AT 0300 UTC AUG
26 MOVING WNW OR 285 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 210 NM N SEMICIRCLE...270
NM SE QUADRANT AND 120 NM SW QUADRANT WITH SEAS TO 8.0 M. WITHIN
22N117W TO 24N121W TO 23N125W TO 20N124W TO 19N122W TO 19N118W
TO 22N117W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 M. WITHIN 26N114W
TO 29N116W TO 30N120W TO 26N127W TO 18N127W TO 17N117W TO
26N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE...WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM ISELLE NEAR 22.3N 125.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...20 NM SE QUADRANT...0 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 105 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO
4.0 M. WITHIN 24N123W TO 26N125W TO 24N128W TO 22N128W TO
23N126W TO 22N124W TO 24N123W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M. WITHIN 26N120W TO 30N124W TO 30N129W TO 21N133W TO 18N128W TO
21N122W TO 26N120W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN
MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 22.9N
127.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.48 HOUR FORECAST POST- TROPICAL REMNANT LOW ISELLE NEAR 23.4N
129.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN
26N127W TO 27N128W TO 28N132W TO 24N134W TO 21N131W TO 24N128W TO
26N127W 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 16N94W TO 16N95W TO 16N96W TO 15N96W TO 15N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 11N86W TO 12N88W TO 10N88W TO 10N87W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E WINDS 20 TO
25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 11N86W TO 12N87W TO 12N88W TO 10N88W TO
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST WITHIN 02S117W TO 01S120W TO 03.4S120W TO
03.4S116W TO 02S117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S
TO SW SWELL.
.24 HOUR FORECAST WITHIN 00N110W TO 02S116W TO 01S120W TO
03.4S120W TO 03.4S107W TO 00N110W WINDS 20 KT OR LESS. SEAS 2.5
TO 3.0 M IN S TO SW SWELL.
.36 HOUR FORECAST CONDITIONS MERGED WITH SECTION BELOW.
.21 HOUR FORECAST WITHIN 14N106W TO 14N108W TO 12N109W TO
11N107W TO 11N106W TO 13N104W TO 14N106W E TO SE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. WITHIN 08N106W TO
10N106W TO 07N111W TO 06N111W TO 05N108W TO 08N106W SW WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 14N105W TO 14N107W TO 15N109W TO
12N109W TO 11N107W TO 11N104W TO 14N105W E TO SE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M IN E TO SE SWELL. WITHIN 09N106W TO
10N108W TO 07N111W TO 06N112W TO 05N108W TO 07N106W TO 09N106W S
TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 13N106W TO 17N111W TO 14N115W TO
05N114W TO 02N110W TO 06N105W TO 13N106W S WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.33 HOUR FORECAST WITHIN 12N129W TO 11N132W TO 09N134W TO
08N134W TO 08N133W TO 09N130W TO 12N129W SW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 13N129W TO 13N130W TO 11N133W TO
08N133W TO 08N131W TO 10N128W TO 13N129W SW TO W WINDS 20 TO 25
KT. 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 0350 UTC WED AUG 26...
TROPICAL STORM ISELLE
NUMEROUS MODERATE FROM 22N TO 27N
BETWEEN 117W AND 123W.
INVEST EP93
SCATTERED MODERATE TO STRONG FROM 03N TO 15N
BETWEEN 91W AND 115W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 10N75W TO 08.5N97W TO 08.5N102W
TO 13N112W, THEN RESUMES FROM 14N121W TO 10N140W. SCATTERED TO
NUMEROUS MODERATE TO STRONG FROM 03.5N TO 08.5N E OF 91W AND
FROM 06N TO 13N BETWEEN 90W AND 99W. SCATTERED TO LOCALLY
NUMEROUS MODERATE ISOLATED STRONG FROM 07N TO 12N BETWEEN 120W
AND 128W...AND FROM 03.5N TO 12N BETWEEN 128W AND 143W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
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