853 
FZPN03 KNHC 200925
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 16N133W TO 07N134W TO 07N140W TO 26N140W TO 29N130W TO
16N133W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 12N137W TO 12N140W TO 26N140W TO 
26N132W TO 22N132W TO 12N137W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. 

.18 HOUR FORECAST WITHIN 29N119W TO 28N125W TO 28N128W TO
30N132W TO 30N118W TO 29N119W WINDS 20 KT OR LESS. SEAS 8 FT IN 
N SWELL.
.24 HOUR FORECAST WITHIN 29N118W TO 27N128W TO 28N132W TO 
30N133W TO 30N118W TO 29N118W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N SWELL.
.48 HOUR FORECAST WITHIN 28N119W TO 28N121W TO 29N127W TO 
30N130W TO 30N118W TO 28N119W WINDS 20 KT OR LESS. SEAS 8 FT IN 
NW TO N SWELL.

.24 HOUR FORECAST WITHIN 03.4S90W TO 03.4S120W TO 01N119W TO
01N108W TO 00N100W TO 03.4S90W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN S TO SW SWELL.
.48 HOUR FORECAST WITHIN 03.4S82W TO 03.4S120W TO 09N117W TO 
06N98W TO 03.4S82W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN S 
SWELL.

.GULF OF CALIFORNIA 24 HOUR FORECAST WITHIN 30N113W TO 30N114W 
TO 30N115W TO 31N114W TO 31N113W TO 30N113W S TO SW WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST COLD FRONT FROM 32N114W TO 30N115W. WITHIN 
30N113W TO 30N114W TO 31N115W TO 31N114W TO 31N113W TO 30N113W S 
TO SW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.30 HOUR FORECAST WITHIN 15N94.5W TO 15N95W TO 16N95.5W TO
16.5N95W TO 16N94.5W TO 15N94.5W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 14N95W TO 16N96W TO 16N95W TO 15N94W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20 
TO 30 KT. SEAS LESS THAN 8 FT.

.48 HOUR FORECAST WITHIN 10N86W TO 10N87W TO 10N88W TO 12N88W TO
12N86W TO 10N86W...INCLUDING THE GULF OF PAPAGAYO... NE TO E
WINDS 20 TO 30 KT. SEAS 8 FT.

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

CONVECTION VALID AT 0600 UTC TUE APR 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 06N98W TO 06N110W. 
THE ITCZ AXIS EXTENDS FROM 06N110W TO 05N125W TO 05N140W. 
SCATTERED MODERATE FROM 01N TO 13N BETWEEN 81W TO 117W AND FROM 
04N TO 09N BETWEEN 120W TO 132W. 

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.