000
FZPN03 KNHC 291614
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT AUG 29 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT AUG 29.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 30.
48 HOUR FORECAST VALID 1200 UTC MON AUG 31.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE NEAR 20.3N 114.7W 1001 MB AT 1500 UTC AUG
29 MOVING NNE OR 025 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
90 NM E SEMICIRCLE AND 30 NM W SEMICIRCLE WITH SEAS TO 15 FT. WITHIN
17N109W TO 13N115W TO 22N115W TO 21N108W TO 17N109W S TO SW 
WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 22.8N 114.7W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 10 FT. WITHIN
22N114W TO 23N115W TO 23N116W TO 25N115W TO 24N113W TO 22N114W S
TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 23.9N 
115.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. 
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 24.7N 
115.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS TO 8 FT.
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 25.4N 
116.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.72 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.

.WITHIN 30N113W TO 31N114W TO 31N113W TO 30N113W...INCLUDING
GULF OF CALIFORNIA...SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT. 
.15 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 1530 UTC SAT AUG 29...

.TROPICAL STORM ISELLE...NUMEROUS MODERATE ISOLATED STRONG FROM 
17N TO 21N BETWEEN 114W AND 118W.

.TROPICAL WAVE ALONG 98W...SCATTERED MODERATE FROM 11N TO 17N 
BETWEEN 96W AND 106W.

.TROPICAL WAVE ALONG 83W...SCATTERED MODERATE N OF 03N E OF 85W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO 17N102W THEN RESUMES
NEAR 15N120W TO 12N130W TO 10N140W. SACTTERED MODERATE ISOLATED
STRONG FROM 08N TO 14N BETWEEN 85W AND 91W...AND WITHIN 45 NM N
AND 210 NM S OF MONSOON W OF 120W.

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.