000
FZPN03 KNHC 201518
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE OCT 20.
24 HOUR FORECAST VALID 1200 UTC WED OCT 21.
48 HOUR FORECAST VALID 1200 UTC THU OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 14N93W TO 13N95W TO 15N96W TO 16N96W TO 16N95W TO
14N93W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 
KT. SEAS 8 FT. 
.24 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 14N96W TO 16N96W TO
16N95W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 25 KT. SEAS 8 FT. 
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 OR LESS. SEAS LESS
THAN 8 FT. 
.48 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 14N96W TO 16N96W TO
16N95W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.WITHIN 05N82W TO 04N86W TO 06N87W TO 08N85W TO 07N81W TO 05N82W
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 27N122W TO 27N124W TO 29N128W TO
30N130W TO 30N120W TO 27N122W WINDS 20 KT OR LESS. SEAS 8 FT IN 
N SWELL.
.48 HOUR FORECAST WITHIN 27N121W TO 27N126W TO 30N129W TO 
30N120W TO 27N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.

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

CONVECTION VALID AT 1200 UTC TUE OCT 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N81W ACROSS COSTA RICA TO 
1008 MB LOW PRES NEAR 10.3N100W TO 11N115W, THEN RESUMES WEST OF 
THE TROUGH NEAR 12N121W TO 09N135W. ITCZ CONTINUES FROM 09N135W 
BEYOND 07N140W. SCATTERED MODERATE TO STRONG NOTED NEAR THE 
COAST OF COSTA RICA AND FROM 10N TO 14N BETWEEN 90W AND 96W.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.