669 
FZPN03 KNHC 120908
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SAT SEP 12.
24 HOUR FORECAST VALID 0600 UTC SUN SEP 13.
48 HOUR FORECAST VALID 0600 UTC MON SEP 14.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 15.5N109.5W 1006 MB. WITHIN 11N112W TO 11N113W TO
12N115W TO 13N111W TO 13N109W TO 11N112W SW WINDS 20 TO 25 KT. 
SEAS 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N113W 1004 MB. WITHIN 15N109W TO 13N113W TO 13N115W TO 16N113W
TO 19N113W TO 15N109W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN 11N108W TO 12N116W TO 20N114W TO 19N109W TO 
14N107W TO 11N108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N116W 1002 MB. WITHIN 14N115W TO 13N117W TO 19N118W TO 22N118W
TO 19N113W TO 14N115W WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
ELSEWHERE WITHIN 12N114W TO 10N126W TO 15N117W TO 21N118W TO 
18N109W TO 12N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SE TO 
S SWELL.

.WITHIN 03.4S105.5W TO 03.4S120W TO 03S120W TO 02.5S114W TO 
02.5S109.5W TO 03.4S105.5W WINDS 20 KT OR LESS. SEAS 8 FT IN S 
SWELL. .24 HOUR FORECAST WITHIN 03.4S96W TO 03.4S106W TO 
03S105.5W TO 03S102W TO 03S99.5W TO 03.4S96W WINDS 20 KT OR LESS.
SEAS 8 FT IN S TO SW SWELL. .42 HOUR FORECAST CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 11N139W TO 10N140W TO 12N140W TO 12N139W TO 11N139W
WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE AND SW SWELL. 
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 19.5N123.5W TO 19.5N124.5W TO 19.5N126W
TO 20.5N126W TO 20.5N124W TO 19.5N123.5W WINDS 20 KT OR LESS.
SEAS 8 FT IN MIXED SE AND NE SWELL.
.48 HOUR FORECAST WITHIN 17N129W TO 17N131W TO 18N131W TO 
18N130W TO 18N128W TO 17N129W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED SE AND NE SWELL.

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

CONVECTION VALID AT 0830 UTC SAT SEP 12...

.LOW PRESSURE 1009 MB NEAR 18.5N118.5W...SCATTERED MODERATE 
ISOLATED STRONG WITHIN 180 NM NW SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10.5N73W TO 09N83W TO LOW
PRES NEAR 15.5N109.5W 1006 MB TO LOW PRES NEAR 17.5N118.5W 1009 
MB TO 11N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS 
NOTED N OF 06N BETWEEN 78W AND 85W. SCATTERED MODERATE TO STRONG
CONVECTION IS NOTED FROM 07N TO 14N BETWEEN 87W AND 96W, FROM 
08N TO 11N BETWEEN 100W AND 104W, FROM 09N TO 19.5N BETWEEN 107W
AND 119W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS NOTED
FROM 11N TO 14N BETWEEN 119W AND 140W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.