000
FZPN03 KNHC 290230
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC TUE AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE AUG 29.
24 HOUR FORECAST VALID 0000 UTC WED AUG 30.
48 HOUR FORECAST VALID 0000 UTC THU AUG 31.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES 16N104W 1006 MB. WITHIN 75 NM OF LINE FROM 14.5N105W 
TO 11N116W SW WINDS 20 TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE 
WITHIN AREA BOUNDED BY 11N124W TO 16.5N105W TO 12N99W TO 09N101W 
TO 11N124W WINDS 20 KT OR LESS. SEAS TO 9 FT PRIMARILY IN S 
SWELL.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
17N106W 1005 MB. WITHIN 75 NM OF LINE FROM 15N105W TO 11N114W SW 
WINDS 20 TO 25 KT. SEAS 10 TO 11 FT. ELSEWHERE WITHIN AREA 
BOUNDED BY 19N104W TO 09N101W TO 11N122W TO 19N104W WINDS 20 KT 
OR LESS. SEAS TO 10 FT PRIMARILY IN S SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
18.5N108W 1004 MB. WITHIN 150 NM NE QUADRANT E TO SE WINDS 20 TO 
25 KT. SEAS 9 FT. WITHIN 120 NM OF LINE FROM 16N105.5W TO 
12N110W TO 10.5N114W SW WINDS 20 TO 25 KT. SEAS 10 TO 11 FT. 
ELSEWHERE WITHIN AREA BOUNDED BY 20N106W TO 17.5N102W TO 11N101W 
TO 09N110W TO 10N120W TO 20N106W WINDS 20 KT OR LESS. SEAS TO 10 
FT PRIMARILY IN S SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
21N109W 1003 MB. WITHIN 240 NM NE SEMICIRCLE SE TO S WINDS 20 TO 
30 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 120 NM OF LINE FROM 
19N107W TO 15N109W TO 11N115W S TO SW WINDS 20 TO 25 KT. SEAS 9 
TO 12 FT. REMAINDER WATERS WITHIN AREA BOUNDED BY 23N107W TO 
18N103W TO 09N110W TO 10N125W TO 23N107W WINDS 20 KT OR LESS. 
SEAS TO 11 FT PRIMARILY IN S SWELL.

.WITHIN 120 NM OF 05N85W WINDS 20 KT OR LESS. SEAS 8 FT IN S 
SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT.

.36 HOUR FORECAST S OF LINE FROM 03.4S110W TO 01S120W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN S SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0230 UTC TUE AUG 29...

.TROPICAL WAVE N OF 08N ALONG 79.5W...SCATTERED MODERATE 
ISOLATED STRONG N OF 06N BETWEEN 80W AND 83W.

.LOW PRES 09N85.5W 1009 MB...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 240 NM SW QUADRANT OF THE LOW.
 
.LOW PRES 09N90W 1009 MB...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 300 NM W SEMICIRCLE OF THE LOW.

.LOW PRES 16N104W 1006 MB...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 270 NM OF LOW CENTER.

.TROPICAL WAVE FROM 13N109.5W TO 24N109W...SCATTERED MODERATE 
ISOLATED STRONG S OF 21N WITHIN 120 NM OF WAVE AXIS.

.TROPICAL WAVE FROM 12N119W TO 20N119W...SCATTERED MODERATE 
ISOLATED STRONG S OF 15N WITHIN 240 NM OF WAVE AXIS.
 
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 09N78W TO LOW PRES 09N85.5W TO LOW PRES 
09N90W TO 14.5N95W TO LOW PRES 16N104W TO 16N112W TO 10N140W.
SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN 150 NM OF 
LINE FROM 07N81W TO 09N93W AND WITHIN 240 NM OF LINE FROM 
14N98W TO 15N121W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.