000
FZPN03 KNHC 172101
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 THU AUG 17.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 18.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13.5N112.5W 1008 MB. WITHIN 120 NM E SEMICIRCLE 
OF LOW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15.5N117W 1007 MB. WITHIN 120 NM NE SEMICIRCLE OF LOW WINDS 20 
TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16.5N123W 1007 MB. WITHIN 150 NM NE SEMICIRCLE OF LOW WINDS 20 
TO 25 KT. SEAS TO 10 FT. WITHIN 75 NM S SEMICIRCLE OF LOW WINDS 
20 KT OR LESS. SEAS TO 9 FT.

.S OF 02S BETWEEN 100W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 
FT PRIMARILY IN SW SWELL.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.06 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 
8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10.5N88W... INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC THU AUG 17...

.TROPICAL WAVE AXIS NEAR 92W N OF 06N...ISOLATED STRONG FROM 06N 
TO 11N BETWEEN 91W AND 96W.

.TROPICAL WAVE AXIS NEAR 107W FROM 07N TO 21N...SCATTERED 
MODERATE ISOLATED STRONG FROM 16N TO 20N BETWEEN 105W AND 111W.

.LOW PRES 13.5N112.5W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM SW SEMICIRCLE OF LOW. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07.5N95W TO 13N106W THROUGH LOW 
PRES 13.5N112.5W TO 12N120W TO 13N128W TO 12N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 60 NM N OF MONSOON TROUGH E OF 
90W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM S OF 
MONSOON TROUGH BETWEEN 115W AND 119W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM N OF MONSOON TROUGH BETWEEN 122W 
AND 127W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM S OF 
MONSOON TROUGH BETWEEN 136W AND 139W. 

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.