184 
FZPN03 KNHC 212121
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT AUG 21.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 22.
48 HOUR FORECAST VALID 1800 UTC MON AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 27N129W TO 27N134W TO 30N139W TO 30N124W TO 27N129W
WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL. 
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.WITHIN 11N111W TO 12N115W TO 13N114W TO 14N111W TO 13N110W TO
11N111W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 12N106W TO 11N109W TO 12N112W TO
13N112W TO 14N106W TO 12N106W WINDS 20 KT OR LESS. SEAS 8 TO 9
FT IN MIXED SWELL.
.48 HOUR FORECAST WITHIN 11N113W TO 11N121W TO 12N121W TO
13N113W TO 13N112W TO 11N113W SW TO W WINDS 20 TO 25 KT. SEAS 8
TO 9 FT.

.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N105.5W 1006 MB. WITHIN 18N104W TO 20N107W TO 21N106W TO
18N104W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 TO 30
KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19.5N111.5W 1004 MB. WITHIN 21N111W TO 20N112W TO 21N113W TO
23N113W TO 23N112W TO 21N111W WINDS 20 TO 25 KT. SEAS 8 FT.

.42 HOUR FORECAST LOW PRES NEAR 13.5N101W 1008 MB. WITHIN 14N99W 
TO 14N101W TO 15N100W TO 15N99W TO 14N99W WINDS 20 TO 25 KT. 
SEAS 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 14N102W 1008 MB. WITHIN 11N105W 
TO 12N106W TO 13N105W TO 16N102W TO 15N100W TO 11N105W WINDS 
20 TO 25 KT. SEAS 8 FT.

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

CONVECTION VALID AT 2100 UTC SAT AUG 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 16N106W TO LOW PRES NEAR 10N125W 
1008 MB TO 13N140W. SCATTERED MODERATE FROM 05N TO 18N BETWEEN 
82W AND 105W...AND FROM 07N TO 13N BETWEEN 112W AND 132W.

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.