000
FZPN03 KNHC 170226
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU AUG 17.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 18.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N118W 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 16N123W 1010 MB. WITHIN 120 NM 
NE QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 15N128W 1010 MB. WITHIN 240 NM 
NW QUADRANT OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT.

.LOW PRES NEAR 11N108W 1009 MB. WITHIN 90 NM E SEMICIRCLE OF LOW 
CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES NEAR 13N113W 1009 MB. WITHIN 150 NM 
NE SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 8 FT. 
ELSEWHERE FROM 09N TO 15N BETWEEN 110W AND 114W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 14N118W 1008 MB. WITHIN 180 NM 
NE SEMICIRCLE OF LOW CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT.

.S OF LINE FROM 03.4S100W TO 01S110W TO 03.4SN120W WINDS 20 KT 
OR LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL. FROM 07N TO 11N 
BETWEEN 105W AND 110W...AND FROM 06N TO 08N BETWEEN 110W AND 
114W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH LOW PRES NEAR 13N113W. 

.30 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.
.36 HOUR FORECAST N OF 14.5N BETWEEN 94.5W AND 95.5W...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.

.30 HOUR FORECAST FROM 10.5N TO 12N E OF 88W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.36 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 0200 UTC THU AUG 17...

.TROPICAL WAVE N OF 10 ALONG 87W. SCATTERED MODERATE FROM 12N TO 
14N BETWEEN 86W AND 88W.  

.TROPICAL WAVE N OF 10N ALONG 103W...SCATTERED MODERATE FROM 09N 
TO 17N BETWEEN 100W AND 106W. 

.LOW PRES NEAR 11N108W 1009 MB...NUMEROUS MODERATE WITHIN 45 NM 
OF CENTER. SCATTERED MODERATE ELSEWHERE FROM 07N TO 12N BETWEEN 
106W AND 111W. 

.LOW PRES NEAR 17N118W 1009 MB...SCATTERED MODERATE WITHIN 45 NM 
W SEMICIRCLE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N91W TO 12N103W TO A 
1009 MB LOW PRESSURE NEAR 11N108W TO 13N124W TO 11N135W TO 
13N140W. SCATTERED MODERATE ISOLATED STRONG IS FROM 09N TO 12N 
BETWEEN 111W AND 119W...NEAR 11N123W...AND WITHIN 120 NM S OF 
THE MONSOON TROUGH BETWEEN 130W AND 135W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.