000
FZPN03 KNHC 200920
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE OCT 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE OCT 20.
24 HOUR FORECAST VALID 0600 UTC WED OCT 21.
48 HOUR FORECAST VALID 0600 UTC THU OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 05N80W TO 02N84W TO 05N87W TO 08N85W TO 07N79W TO 
05N80W...INCLUDING THE GULF OF PANAMA...WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN S TO SW SWELL. WITHIN 03N92W TO 03N96W TO 
04N95W TO 06N91W TO 06N90W TO 03N92W WINDS 20 KT OR LESS. SEAS 8 
FT IN S TO SW SWELL. 
.24 HOUR FORECAST WITHIN 07N82W TO 06N83W TO 06N85W TO 08N84W TO
08N83W TO 07N82W WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 03.4S112W TO 03.4S120W TO 03S120W TO 02S117W TO 03S116W
TO 03.4S112W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 15N94.5W TO 15N95W TO 16N95W TO 16N94.5W TO 15N94.5W... 
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS 
TO 9 FT.
.24 HOUR FORECAST WITHIN 15N94.5W TO 14.5N95W TO 16N95.5W TO 
16N95W TO 16N94.5W TO 15N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 21N139W TO 20N140W TO 23N140W TO 22N139W TO 21N139W
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.06 HOUR FORECAST CONDITIONS TO SHIFT W OF AREA. WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST WITHIN 20N140W TO 23N140W TO 30N128W TO
30N126W TO 30N123W TO 20N140W WINDS 20 KT OR LESS. SEAS 8 FT IN 
N SWELL.
.48 HOUR FORECAST WITHIN 27N125W TO 28N128W TO 30N130W TO 
30N121W TO 27N125W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N 
SWELL.

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

CONVECTION VALID AT 0845 UTC TUE OCT 20...

.SCATTERED MODERATE FROM 25N TO 28N BETWEEN 132W AND 137W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 12N81W TO 10N85W TO 13N93W 
TO LOW PRES 1008 MB NEAR 10.5N101W TO 12N122W TO 09N136W, THEN 
ITCZ BEYOND 08N140W. SCATTERED MODERATE TO STRONG CONVECTION
FROM 06N TO 15N BETWEEN 83W AND 94W. SCATTERED MODERATE ISOLATED
STRONG CONVECTION FROM 08N TO 16N BETWEEN 100W AND 135W.



$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.