000
FZPN03 KNHC 162106
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 16.
24 HOUR FORECAST VALID 1800 UTC THU AUG 17.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 18.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N118W 1009 MB. WITHIN 120 NM NE SEMICIRCLE OF 
LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 16N121W 1010 MB. WITHIN 120 NM 
NE SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 16N126W 1010 MB. WITHIN 240 NM 
NW QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.

.LOW PRES NEAR 11N107W 1008 MB. WITHIN 90 NM E SEMICIRCLE OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW PRES NEAR 12N111W 1010 MB. WITHIN 120 NM 
N SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N116W 1009 MB. WITHIN 150 NM 
N SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.

.S OF LINE FROM 03.4S100W TO 01S110W TO 01SN120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL. SE OF A LINE FROM 
11N105W TO 06N115W TO ANOTHER LINE FROM 11N102W TO 06N108W WINDS 
20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST FROM 07N TO 12N BETWEEN 109W AND 112W 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.

.36 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.42 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST LITTLE CHANGE.
.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 WED AUG 16...

.TROPICAL WAVE N OF 10 ALONG 84W. SCATTERED MODERATE IS WITHIN 
ABOUT 90 NM ON EITHER SIDE OF THE WAVE AXIS FROM 10N TO 15N.

.TROPICAL WAVE N OF 10N ALONG 102W...SCATTERED MODERATE ISOLATED 
STRONG FROM 10N TO 16N BETWEEN 100W AND 102W. 

.LOW PRES NEAR 11N107W 1008 MB...CLUSTER OF MODERATE TO ISOLATED 
STRONG WITHIN 120 NM W SEMICIRCLE OF LOW. SCATTERED MODERATE 
ISOLATED STRONG ELSEWHERE FROM 07N TO 14N BETWEEN 106W AND 111W. 

.LOW PRES NEAR 17N118W 1009 MB...SCATTERED MODERATE WITHIN 75 NM 
S SEMICIRCLE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N90W TO 12N101W TO A 
1010 MB LOW PRESSURE NEAR 11N107W TO 13N123W TO 11N134W TO 
13N140W. SCATTERED MODERATE IS N OF 06N BETWEEN 80W AND 84W. 
SCATTERED MODERATE ISOLATED STRONG IS FROM 07N TO 10N BETWEEN 
89W AND 94W, FROM 10N TO 12N BETWEEN 112W AND 124W, AND WITHIN 
120 NM S OF THE MONSOON TROUGH W OF 130W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.