000
FZPN03 KNHC 070953
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE SEP 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 07.
24 HOUR FORECAST VALID 0600 UTC WED SEP 08.
48 HOUR FORECAST VALID 0600 UTC THU SEP 09.

.WARNINGS.

...GALE WARNING...
.LOW PRES NEAR 18N107W 1009 MB. WITHIN 18N105W TO 16N108W TO 
18N109W TO 20N106W TO 19N105W TO 18N105W...INCLUDING NEAR CABO 
CORRIENTES...E TO SE WINDS 20 TO 25 KT EXCEPT SW TO W WINDS 
FROM 16N TO 17N BETWEEN 107W AND 108W. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N109W 1003 MB. WITHIN 17N108W TO 18N109W TO 18N108W TO 18N107W
TO 17N108W WINDS 30 TO 40 KT. SEAS 10 TO 15 FT. ELSEWHERE WITHIN
17N107W TO 16N109W TO 17N110W TO 19N110W TO 19N108W TO 17N107W W
TO WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N110W 999 MB. WITHIN 19N109W TO 18N111W TO 20N111W TO 20N110W 
TO 20N109W TO 19N109W WINDS 35 TO 45 KT. SEAS 14 TO 20 FT. 
ELSEWHERE WITHIN 19N108W TO 17N109W TO 18N112W TO 21N111W TO 
21N108W TO 19N108W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 
TO 33 KT. SEAS 10 TO 14 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 03.4S91W TO 03.4S120W TO 01S120W TO 01S108W TO 02S92W TO
03.4S91W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 03.4S85W TO 03.4S120W TO 00N118W TO
01S98W TO 02S88W TO 03.4S85W WINDS 20 KT OR LESS. SEAS LESS THAN
8 FT.

.WITHIN 12N134W TO 10N138W TO 14N139W TO 15N138W TO 15N135W TO
12N134W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N136W 1008 MB. WITHIN 11N134W 
TO 11N138W TO 13N139W TO 16N138W TO 15N134W TO 11N134W WINDS 20 
KT OR LESS. SEAS 8 FT IN SE TO S SWELL.
.42 HOUR FORECAST WEAKENING LOW PRES NEAR 15N136W 1010 MB. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0945 UTC TUE SEP 07...

.LOW PRES NEAR 18N107W 1009 MB...NUMEROUS MODERATE TO STRONG 
WITHIN 180 NM NE QUADRANT. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 90 NM SE QUADRANT.

.SCATTERED MODERATE ISOLATED STRONG FROM 21N TO 23N BETWEEN 
106W AND 107W AND WITHIN 60 NM OF 16N109W.

.SCATTERED MODERATE WITHIN 60 NM OF 21N109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 11N86W TO 14N97W TO LOW PRES 
NEAR 18N107W 1009 MB TO 14N115W TO 12N125W TO 11N135W TO 
11N140W. NUMEROUS MODERATE TO ISOLATED STRONG FROM 09N TO 14N 
BETWEEN 85W AND 92W...WITHIN 60 NM N OF THE TROUGH BETWEEN 136W 
AND 138W AND WITHIN 60 NM S OF THE TROUGH BETWEEN 138W AND 140W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.