297 
FZPN03 KNHC 210408
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT AUG 21.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 22.
48 HOUR FORECAST VALID 0000 UTC MON AUG 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WITHIN 28N128W TO 29N135W TO 29N138W TO 30N139W TO 30N126W TO
28N128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 27N129W TO 27N134W TO 29N138W TO
30N139W TO 30N125W TO 27N129W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN N TO NE SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.WITHIN 12N107W TO 11N108W TO 10N110W TO 13N111W TO 15N109W TO
12N107W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 13N109W TO 12N110W TO 12N111W TO
14N112W TO 14N110W TO 13N109W W WINDS 20 TO 25 KT. SEAS 8 FT. 
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.15 HOUR FORECAST WITHIN 10N119W TO 09N119W TO 09N121W TO
11N122W TO 12N119W TO 10N119W WINDS 20 KT OR LESS. SEAS 8 FT IN
S TO SW SWELL.
.24 HOUR FORECAST WITHIN 10N120W TO 10N122W TO 11N122W TO
12N121W TO 12N119W TO 10N120W SW WINDS 20 TO 25 KT. SEAS 8 FT. 
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
20N107W 1004 MB. WITHIN 18N105W TO 19N106W TO 20N106W TO 19N104W
TO 18N105W...INCLUDING NEAR CABO CORRIENTES...SE WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE NEAR 
20N108W 1002 MB. WITHIN 19N105W TO 19N106W TO 21N108W TO 21N106W
TO 19N105W...INCLUDING NEAR CABO CORRIENTES...SE TO S WINDS 20 
TO 25 KT. SEAS 8 FT.

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

CONVECTION VALID AT 0310 UTC SAT AUG 21...

.TROPICAL WAVE NEAR 100W...SCATTERED MODERATE FROM 08N TO 14N 
BETWEEN 96W AND 105W.

.TROPICAL WAVE NEAR 115W...SCATTERED MODERATE FROM 08N TO 17N 
BETWEEN 107W AND 120W.

.TROPICAL WAVE NEAR 128W...SCATTERED MODERATE ISOLATED STRONG 
FROM 08N TO 13N BETWEEN 120W AND 131W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 13N95W THEN RESUMES NEAR 17N104W 
TO 11N120W TO 13N130W TO 14N136W. ITCZ FROM 14N136W TO 14N140W. 
SCATTERED MODERATE TO STRONG N OF 04N E OF 95W. SCATTERED
MODERATE FROM 11N TO 16N W OF 133W.  

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.