000
FZPN03 KNHC 180918
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI AUG 18.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 19.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 14N114W 1008 MB. WITHIN 120 NM NE SEMICIRCLE OF 
LOW WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N120W 1007 MB. WITHIN 120 NM NE SEMICIRCLE OF LOW WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N126W 1004 MB. WITHIN 150 NM N AND 90 NM S SEMICIRCLES OF LOW 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.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.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 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.
.36 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.
.12 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 0900 UTC FRI AUG 18...

.TROPICAL WAVE AXIS ALONG 94W N OF 07N...ISOLATED STRONG FROM 
07N TO 09N BETWEEN 92W AND 98W.

.LOW PRES NEAR 14N114W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM SW SEMICIRCLE. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 07N105W RESUMES FROM LOW PRES NEAR 
14N113W TO 18N140W. SCATTERED MODERATE ISOLATED STRONG FROM 08N 
TO 10N BETWEEN 116W AND 120W. SCATTERED MODERATE FROM 08N TO 10N 
BETWEEN 132W AND 138W.  

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.