000
FZPN03 KNHC 122039
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT AUG 12 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT AUG 12.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 13.
48 HOUR FORECAST VALID 1800 UTC MON AUG 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION JOVA NEAR 20.4N 113.1W 1005 MB AT 2100 UTC
AUG 12 MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 45 NM N SEMICIRCLE 
AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. ELSEWHERE WITHIN 120 NM
OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA
WITHIN 300 NM NE QUADRANT SE TO S WINDS 20 TO 25 KT. SEAS 8 TO 9
FT.
.24 HOUR FORECAST TROPICAL DEPRESSION JOVA NEAR 20.8N 117.8W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 120 NM OF
CENTER EXCEPT 180 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10
FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 20.9N
120.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 120 NM
OF CENTER EXCEPT 180 NM NE QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 20.9N 
122.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 90 NM
SE SEMICIRCLE AND 150 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8
TO 10 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW JOVA NEAR 20.4N 
127.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 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.

.WITHIN AREA BOUNDED BY 03S81W TO 01S91W TO 03.4S120W TO 01N110W
TO 06N104W TO 05N81W TO 03S81W...EXCEPT LEE OF GALAPAGOS
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SE AND SW
SWELL...HIGHEST ALONG 03.4S E OF 100W.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 03S81W TO 01S90W TO 
03.4S119W TO 12N105W TO 14N95W TO 07N79W TO 03S81W...EXCEPT LEE
OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN
MIXED SW AND NW SWELL...HIGHEST E OF 88W. WITHIN AREA BOUNDED BY
10N112W TO 10N117W TO 12N117W TO 13N113W TO 12N111W TO 10N112W 
SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 03.4S82W TO 01S90W TO 
03.4S120W TO 06N111W TO 11N95W TO 07N80W TO 03.4S82W...EXCEPT LEE
OF GALAPAGOS ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN 
MIXED SW AND NW SWELL. WITHIN AREA BOUNDED BY 10N112W TO 11N119W 
TO 11N125W TO 14N122W TO 15N116W TO 14N112W TO 10N112W SW TO W 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 2030 UTC SAT AUG 12...

.TROPICAL DEPRESSION JOVA...SCATTERED MODERATE TO STRONG WITHIN
120 NM SW QUADRANT.

.LOW PRES NEAR 11N99W...SCATTERED MODERATE ISOLATED STRONG WITHIN
300 NM SE QUADRANT.

.TROPICAL WAVE N OF 08N ALONG 102W...SCATTERED MODERATE ISOLATED
STRONG FROM 09N TO 16N BETWEEN 100W AND 104W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N75W TO 10N90W TO LOW PRES 
NEAR 11N99W THEN RESUMES FROM 16N109W TO 12N124W TO 11N140W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 240 NM S OF AXIS 
BETWEEN 79W AND 86W...WITHIN 90 NM NE OF A LINE FROM 10N93W TO 
14N100W...WITHIN 120-240 NM SE OF AXIS BETWEEN 109W AND 127W...
WITHIN 120 NM N OF AXIS BETWEEN 130W AND 139W...AND FROM 08N TO
11N BETWEEN 136W AND 140W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.