372 
FZPN03 KNHC 181515
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 18 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT SEP 18.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 19.
48 HOUR FORECAST VALID 1200 UTC MON SEP 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 03.4S109.5W TO 03.4S120W TO 03S120W TO 03S115W TO
03S113W TO 03.4S109.5W WINDS 20 KT OR LESS. SEAS 8 FT IN S
SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. 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 1430 UTC SAT SEP 18...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N74W TO LOW PRES NEAR 10N76W TO 11N95W TO 
09N104W TO 10N120W TO 13N126W TO 10N140W. SCATTERED MODERATE 
ISOLATED STRONG FROM 04N TO 09N BETWEEN 77W AND 82W...FROM 09N TO
14N BETWEEN 98W AND 101W...AND FROM 08N TO 14N BETWEEN 128W AND 
139W. SCATTERED MODERATE FROM 05N TO 07N BETWEEN 84W AND 90W... 
FROM 14N TO 18N BETWEEN 99W AND 102W...FROM 07N TO 10N BETWEEN 
101W AND 112W...AND FROM 12N TO 15N BETWEEN 112W AND 115W

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.