932 
FZPN03 KNHC 200901
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON AUG 20 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON AUG 20.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 21.
48 HOUR FORECAST VALID 0600 UTC WED AUG 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.06 HOUR FORECAST S OF 02S AND W OF 112W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST FROM 10.5N TO 11.5N E OF 88W...INCLUDING GULF 
OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 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.
.48 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 
TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 0815 UTC MON AUG 20...

.TROPICAL WAVE FROM 06N92W TO 20N91W...SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 08N BETWEEN 88W AND 92W.

.TROPICAL WAVE FROM 04N113W TO 17N112W...SCATTERED MODERATE FROM 
06N TO 08N BETWEEN 108W AND 116W.

.TROPICAL WAVE FROM 04N131W TO 16N129W...SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM EITHER SIDE OF LINE FROM 17N122W TO 
13N130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES 1010 MB NEAR 09N74W TO 08N78W TO 
09N92W TO 11N120W. ITCZ FROM 09N133W TO 09N136W TO BEYOND 
10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 07N TO 09N 
BETWEEN 95W AND 100W. SCATTERED MODERATE FROM 09N TO 12N BETWEEN 
118W AND 121W AND FROM 07N TO 11N W OF 137W. 

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.