000
FZPN03 KNHC 200931
HSFEP2

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT ENTERING THE AREA. WITHIN 28N135W TO 27N140W TO 
30N140W TO 30N132W TO 28N135W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW SWELL. 
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 30N137W TO
28N140W. WITHIN 25N131W TO 21N140W TO 30N140W TO 30N123W TO 
25N131W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL. 
.48 HOUR FORECAST REINFORCING COLD FRONT FROM 30N133W TO 
27N140W. WITHIN 19N126W TO 12N140W TO 23N140W TO 30N125W TO 
29N115W TO 19N126W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
SWELL.

.WITHIN 04N97W TO 03N103W TO 05N103W TO 08N98W TO 07N97W TO
04N97W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.24 HOUR FORECAST WITHIN 06N95W TO 04N99W TO 06N102W TO 10N100W
TO 09N96W TO 06N95W WINDS 20 KT OR LESS. SEAS 8 FT IN S SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

.48 HOUR FORECAST WITHIN 27N131W TO 25N140W TO 30N140W TO
30N127W TO 27N131W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NW 
SWELL.

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

CONVECTION VALID AT 0920 UTC WED OCT 20...

TROPICAL WAVE ALONG 94W...NUMEROUS MODERATE ISOLATED STRONG 
N OF 11N BETWEEN 88W AND 94W. SCATTERED MODERATE FROM 06N TO 12N
BETWEEN 94W AND 100W.

TROPICAL WAVE ALONG 131W...SCATTERED MODERATE FROM 05N TO 10N 
BETWEEN 128W AND 134W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 09N84W TO 11N94W TO 12N112W TO 09N128W 
TO 12N140W. SCATTERED MODERATE N OF 04N E OF 88W...FROM 06N TO 
10N BETWEEN 99W AND 108W...FROM 08N TO 14N BETWEEN 111W AND 
114W...FROM 07N TO 12N BETWEEN 117W AND 127W...AND FROM 09N TO 
14N BETWEEN 132W AND 136W. NUMEROUS MODERATE ISOLATED STRONG 
FROM 10N TO 14N W OF 138W. 

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.