333
FZPN03 KNHC 241003
HSFEP2
HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON AUG 24.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 25.
48 HOUR FORECAST VALID 0600 UTC WED AUG 26.
.WARNINGS.
..HURRICANE WARNING
.TROPICAL STORM ISELLE NEAR 17.8N 116.2W 996 MB AT 0900 UTC AUG
24 MOVING NW OR 315 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E
SEMICIRCLE...110 NM SW QUADRANT AND 60 NM NW QUADRANT. SEAS 4 M
OR GREATER WITHIN 210 NM NE QUADRANT...150 NM SE QUADRANT...75 NM
SW QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 6.0 M.
ELSEWHERE WITHIN 21N112W TO 22N115W TO 19N119W TO 13N117W TO
13N114W TO 17N110W TO 21N112W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
.24 HOUR FORECAST HURRICANE ISELLE NEAR 20.1N 118.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM E SEMICIRCLE...80 NM SW QUADRANT AND 90 NM NW
QUADRANT. SEAS 4 M OR GREATER WITHIN 210 NM NE SEMICIRCLE...210
NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 9.0 M.
ELSEWHERE WITHIN 25N113W TO 25N119W TO 21N123W TO 11N120W TO
12N117W TO 19N112W TO 25N113W...INCLUDING WITHIN 60 NM OF
SHORE...WITHIN 60 NM OF SHORE...WINDS 20 TO 33 KT. SEAS 4.0 TO
5.5 M.
.36 HOUR FORECAST TROPICAL STORM ISELLE NEAR 20.9N 120.7W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 21.5N 122.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 100 NM N SEMICIRCLE...80 NM SE QUADRANT AND 60 NM SW
QUADRANT. SEAS 4 M OR GREATER 240 NM N SEMICIRCLE...210 NM SE
QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 8.0 M. ELSEWHERE
WITHIN 25N115W TO 29N117W TO 27N127W TO 20N129W TO 17N117W TO
25N115W WINDS 20 TO 33 KT. SEAS 4.0 TO 5.5 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 15N96W TO 14N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W
TO 14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 12N87W TO 12N88W TO 12N89W TO 10N89W TO 10N86W TO 11N86W
TO 12N87W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25
KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 11N86W TO 11N88W TO 11N89W TO 10N89W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 0940 UTC MON AUG 24...
TROPICAL STORM ISELLE
NUMEROUS MODERATE TO STRONG FROM 14N TO
20N BETWEEN 112W AND 120W.
TROPICAL WAVE NEAR 92W
SCATTERED MODERATE ISOLATED STRONG FROM
02N TO 08N BETWEEN 90W AND 98W.
TROPICAL WAVE NEAR 103W
SCATTERED MODERATE ISOLATED STRONG FROM
04N TO 19N BETWEEN 94W AND 107W.
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
THE MONSOON TROUGH EXTENDS FROM 07N78W TO 09N85W TO 06N100W TO
10N109W...THEN CONTINUES SW OF ISELLE FROM 11N121W TO BEYOND
07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 02N TO 12N W OF
130W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
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