255 
FZPN03 KNHC 071529
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 07 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU SEP 07.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 08.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 09.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE JOVA NEAR 17.1N 115.7W 932 MB AT 1500 UTC SEP 07 
MOVING WNW OR 295 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 135 KT 
GUSTS 165 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E 
SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
150 NM W SEMICIRCLE...360 NM NE QUADRANT AND 390 NM SE QUADRANT 
WITH SEAS TO 47 FT. ELSEWHERE WITHIN 420 NM NE QUADRANT...480 NM 
SE QUADRANT AND 240 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 
TO 18 FT. FROM 05N TO 10.5N BETWEEN 113W AND 120W S TO SW WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 05N TO 23N 
BETWEEN 104W AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SWELL. 
.24 HOUR FORECAST HURRICANE JOVA NEAR 19.3N 120.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. LITTLE 
CHANGE ELSEWHERE. FROM 05N TO 12.5N BETWEEN 114W AND 121W S TO 
SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 
05N TO 25N BETWEEN 106W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE JOVA NEAR 21.8N 125.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE QUADRANT... 
330 NM SE QUADRANT AND 180 NM W SEMICIRCLE WITH SEAS TO 30 FT.
ELSEWHERE WITHIN 300 NM NW AND 240 NM SE SEMICIRCLES WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 08N TO 29N 
BETWEEN 114W AND 131W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SWELL. 
.60 HOUR FORECAST TROPICAL STORM JOVA NEAR 23.1N 127.0W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT.
.72 HOUR FORECAST TROPICAL STORM JOVA NEAR 24.2N 128.3W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION JOVA NEAR 25.4N 130.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 25.3N 
133.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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.

.S OF LINE FROM 03.4S118W TO 01N106W TO 03.4S95W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN SE TO S SWELL.
.24 HOUR FORECAST S OF LINE FROM 03S120W TO 01S110W TO 03.4S104W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN DECAYING SE SWELL.
.48 HOUR FORECAST SW OF LINE FROM 02S120W TO 03.4S114W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN DECAYING SE SWELL.

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

CONVECTION VALID AT 1515 UTC THU SEP 07...

.HURRICANE JOVA...NUMEROUS STRONG WITHIN 90 NM SE AND 60 NM 
NW SEMICIRCLES. NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE 
WITHIN 180 NM SE AND 240 NM SW QUADRANTS. SCATTERED MODERATE 
ISOLATED STRONG SE AND S OF JOVA WITHIN 75 NM OF LINE FROM 
13N113W TO 09N119W. 

.NUMEROUS MODERATE TO STRONG FROM 04N TO 09N BETWEEN 77W AND 84W.

.SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF 13N91W AND 
FROM 20N TO 25N BETWEEN 106W AND 109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 11N95W TO 11N104W.
IT RESUMES AT 11N119W TO 09N130W TO 08N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 180 NM S OF TROUGH BETWEEN 119W AND 135W
...WITHIN 120 NM N OF THE TROUGH BETWEEN 98W AND 101W AND WITHIN 
60 NM S OF THE TROUGH BETWEEN 85W AND 87W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.