000
FZPN03 KNHC 090907
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT SEP 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 9.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 10.
48 HOUR FORECAST VALID 0600 UTC MON SEP 11.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOVA NEAR 21.5N 124.6W 986 MB AT 0900 UTC SEP 09
MOVING WNW OR 300 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NW AND SE
QUADRANTS...100 NM NE QUADRANT AND 70 NM SW QUADRANT. SEAS 12
FT OR GREATER WITHIN 270 NM N SEMICIRCLE AND 180 NM S SEMICIRCLE
WITH SEAS TO 29 FT. ELSEWHERE WITHIN 23N121W TO 25N126W TO 21N128W 
TO 18N126W TO 18N122W TO 21N120W TO 23N121W WINDS 20 TO 33 KT. 
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 20N112W TO 28N120W TO 
27N125W TO 19N130W TO 14N122W TO 10N119W TO 20N112W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM JOVA NEAR 23.4N 126.8W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 30 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 
120 NM S SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE WITHIN 26N126W 
TO 27N128W TO 26N131W TO 23N131W TO 21N126W TO 23N125W TO 26N126W
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
24N120W TO 30N126W TO 30N132W TO 23N134W TO 18N126W TO 18N121W TO
24N120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION JOVA NEAR 24.6N 128.5W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN 
45 NM N SEMICIRCLE. WITHIN 29N129W TO 29N132W TO 28N133W TO 
25N132W TO 24N129W TO 25N128W TO 29N129W WINDS 20 TO 30 KT. SEAS 
10 TO 12 FT. ELSEWHERE WITHIN 30N129W TO 27N133W TO 30N136W TO 
27N137W TO 22N132W TO 24N127W TO 30N129W WINDS 20 KT OR LESS. 
SEAS 8 TO 10 FT IN MIXED SWELL.
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 24.3N
129.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 23.9N
130.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 22.7N
133.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 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.

.30 HOUR FORECAST WITHIN 00N108W TO 01S115W TO 03.4S120W TO
03.4S102W TO 00N108W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0830 UTC SAT SEP 9...

.T.S. JOVA...SCATTERED MODERATE FROM 18N TO 24N BETWEEN 122W AND
128W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 10N108W...THEN RESUMES NEAR 
13N125W TO 09N130W. ITCZ FROM THAT POINT TO 06N140W. SCATTERED 
MODERATE S OF THE MONSOON TROUGH/ITCZ BETWEEN 90W TO 98W...AND W
OF 117W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.