307 
FZPN03 KNHC 200309
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MON AUG 20.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 21.
48 HOUR FORECAST VALID 0000 UTC WED AUG 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.HURRICANE LANE W OF AREA NEAR 13.8N 145.8W. FROM 14N TO 20N W 
OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE LANE W OF AREA. OVER FORECAST WATERS 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.12 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 S OF 03S AND W OF 113W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SE AND SW SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 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.
.36 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 WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 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.

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

CONVECTION VALID AT 0245 UTC MON AUG 20...

.TROPICAL WAVE FROM 06N90W TO 20N90W...SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 11N BETWEEN 83W AND 96W.

.TROPICAL WAVE FROM 05N111W TO 17N111W...SCATTERED MODERATE FROM 
06N TO 08N BETWEEN 106W AND 116W.

.TROPICAL WAVE FROM 02N130W TO 16N128W...SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM EITHER SIDE OF LINE FROM 17N121W TO 
13N127W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N75W TO 09N84W TO 08N97W TO 11N118W TO 
11N124W. ITCZ FROM 08N132W TO 11N140W. SCATTERED MODERATE 
ISOLATED STRONG N OF 04N E OF 83W. SCATTERED MODERATE FROM 09N 
TO 11N BETWEEN 117W AND 122W AND FROM 07N TO 11N W OF 136W. 

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.