000
FZPN03 KNHC 152116
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE AUG 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 15.
24 HOUR FORECAST VALID 1800 UTC WED AUG 16.
48 HOUR FORECAST VALID 1800 UTC THU AUG 17.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES 15N113W 1009 MB. WITHIN 120 NM NE QUADRANT OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 16N117W 1008 MB. WITHIN 180 NM 
NE QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 17N121W 1008 MB. WITHIN 180 NM N 
SEMICIRCLE OF LOW CENTER NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 
FT.

.LOW PRES 20N128W 1010 MB. WITHIN 150 NM NW QUADRANT OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT. ELSEWHERE FROM 19N TO 
22.5N BETWEEN 126W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED S AND NE SWELL.
.24 HOUR FORECAST LOW PRES NEAR 19N131W 1010 MB. WITHIN 120 NM 
NW QUADRANT OF LOW CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED S AND NE SWELL. ELSEWHERE FROM 18N TO 20.5N BETWEEN 130W 
AND 135W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED S AND NE 
SWELL.
.36 HOUR FORECAST LOW PRES DISSIPATED. WINDS 20 KT OR LESS.
SEAS LESS THAN 8 FT.

.FROM 05N TO 08N BETWEEN 94W AND 105W WINDS 20 KT OR LESS. SEAS 
8 FT IN S SWELL. S OF 02S BETWEEN 100W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST FROM 00N TO 06N BETWEEN 110W AND 115W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SW SWELL. S OF 01S BETWEEN 100W AND 
120W WINDS 20 KT OR LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 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 TUE AUG 15...

.TROPICAL WAVE FROM 11N98W TO 16N97W...SCATTERED MODERATE 
ISOLATED STRONG FROM 11N TO 15N BETWEEN 95W AND 100W.

.LOW PRES 11N106.5W 1010 MB...SCATTERED MODERATE WITHIN 120 NM 
NW QUADRANT. SIMILAR CONVECTION IS FROM 12N TO 17N BETWEEN 103W 
AND 108W.

.LOW PRES 15N113W 1009 MB...CLUSTER OF MODERATE ISOLATED STRONG 
WITHIN 75 NM SE QUADRANT. SCATTERED MODERATE ELSEWHERE FROM 14N 
TO 17N BETWEEN 113W AND 117W.  

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS ACROSS COSTA RICA TO A 1010 MB LOW 
PRESSURE NEAR 11N98W TO A SECOND LOW PRESSURE OF 1010 MB NEAR 
11N106.5W TO 13N120W TO 12N130W TO BEYOND 13N140W. SCATTERED 
MODERATE ISOLATED STRONG CAN BE FOUND N OF 05N BETWEEN 80W AND 
86W...FROM 06N TO 09N BETWEEN 90W AND 97W...FROM 08N TO 10N 
BETWEEN 100W AND 104W...AND WITHIN 90 NM S OF MONSOON TROUGH W 
OF 132W. 

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.