000
FZPN03 KNHC 300306
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN AUG 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN AUG 30.
24 HOUR FORECAST VALID 0000 UTC MON AUG 31.
48 HOUR FORECAST VALID 0000 UTC TUE SEP  1.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE NEAR 21.8N 114.2W 1004 MB AT 0300 UTC AUG
30 MOVING NNE OR 020 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 40 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM OF 
CENTER WITH SEAS TO 14 FT. ELSEWHERE WITHIN 20N113W TO 20N114W 
TO 22N115W TO 23N114W TO 22N113W TO 20N113W WINDS 20 TO 33 KT. 
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 16N113W TO 16N115W TO
20N116W TO 23N114W TO 21N109W TO 16N113W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 22.9N 114.3W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 23.9N 
114.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 8 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 25.0N 
115.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS THAN
8 FT.
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW ISELLE NEAR 25.5N 
115.7W. 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 30N114W TO 32N114W TO 31N113W TO
30N113W...INCLUDING GULF OF CALIFORNIA...SE TO S WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST WITHIN 29N128W TO 29N131W TO 30N135W TO
30N125W TO 29N128W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED
SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0245 UTC SUN AUG 30...

.TROPICAL STORM ISELLE...SCATTERED MODERATE ISOLATED STRONG FROM
17N TO 23N BETWEEN 112W AND 119W. 

.TROPICAL WAVE ALONG 101W...SCATTERED MODERATE FROM 10N TO 20N 
BETWEEN 99W AND 105W.

.TROPICAL WAVE ALONG 86W...SCATTERED MODERATE N OF 10N E OF 87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS ACROSS PANAMA AND COSTA RICA...THEN
REACHING TO 10N36W TO 16N95W TO 18N110W. SCATTERED MODERATE  
WITHIN 210 NM S AND 90 NM N OF THE BOUNDARY.

$$

.FORECASTER ERA. NATIONAL HURRICANE CENTER.