000
FZPN03 KNHC 210912
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED OCT 21 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 21.
24 HOUR FORECAST VALID 0600 UTC THU OCT 22.
48 HOUR FORECAST VALID 0600 UTC FRI OCT 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 07N82W TO 06N83W TO 07N85W TO 09N85W TO 08N84W TO 07N82W
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 14.5N94.5W TO 14N95.5W TO 16N95.5W TO 16N95W TO 16N94.5W
TO 14.5N94.5W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20
TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 03N139W TO 02N140W TO 05N140W TO 04N139W TO 03N139W
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED N TO SE SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.12 HOUR FORECAST WITHIN 29.5N125.5W TO 29.5N126.5W TO 29.5N128W
TO 30N128.5W TO 30N123.5W TO 29.5N125.5W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 27N125W TO 28N128W TO 30N130W TO 
30N122W TO 27N125W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N 
SWELL.
.48 HOUR FORECAST WITHIN 27N125W TO 27N126W TO 30N135W TO 
30N120W TO 27N125W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO 
N SWELL.

.36 HOUR FORECAST WITHIN 14N138W TO 13N138W TO 13N140W TO
15N140W TO 15N139W TO 14N138W WINDS 20 KT OR LESS. SEAS 8 FT IN
MIXED SWELL.
.48 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 0830 UTC WED OCT 21...

.LOW PRES 1009 MB NEAR 14N118.5W...SCATTERED MODERATE TO STRONG 
WITHIN 180 NM SW AND 120 NM NW SEMICIRCLES.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM NEAR 11N80W TO LOW PRES 
1009 MB NEAR 09.5N86W TO LOW PRES 1009 MB NEAR 12.5N93.5W TO LOW
PRES 1009 MB NEAR 10N106W TO LOW PRES 1009 MB NEAR 14N118.5W TO 
11N132W. THE ITCZ CONTINUES FROM 11N132W TO BEYOND 09.5N140W. 
SCATTERED MODERATE TO STRONG CONVECTION IS NOTED FROM 08N TO 11N 
BETWEEN 81W AND 87W, AND FROM 13.5N TO 17.5N BETWEEN 97W AND 
102W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED 
FROM 09N TO 15N BETWEEN 88W AND 94W, FROM 07N TO 10N BETWEEN 
99W AND 108W, AND FROM 08N TO 14.5N BETWEEN 127W AND 140W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.