000
FZPN03 KNHC 191513
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SUN SEP 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 19.
24 HOUR FORECAST VALID 1200 UTC MON SEP 20.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 21.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.18 HOUR FORECAST COLD FRONT ALONG 30N. WITHIN 29N136W TO 
28N140W TO 30N140W TO 30N136W TO 29N136W WINDS 20 KT OR LESS. 
SEAS 8 FT IN NW TO N SWELL.
.24 HOUR FORECAST DISSIPATING COLD FRONT ALONG 29.5N BETWEEN
130W AND 140W. WITHIN 29N132W TO 29N137W TO 28N140W TO 30N140W 
TO 30N132W TO 29N132W WINDS 20 KT OR LESS. SEAS 8 FT IN NW TO N 
SWELL.
.48 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 27N122W TO 
28N127W TO 30N129W TO 30N119W TO 27N122W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NW TO N SWELL.

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

CONVECTION VALID AT 1500 UTC SUN SEP 19...

.SCATTERED MODERATE TO STRONG FROM 19N TO 24N BETWEEN 105W AND 
109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM LOW PRES NEAR 11N75W TO 09N90W TO 11N101W
TO 10N108W TO LOW PRES NEAR 11.5N114W TO 10N120W TO 12N140W. 
SCATTERED MODERATE ISOLATED STRONG FROM 02N TO 07N BETWEEN 77W 
AND 84W...FROM 08N TO 11N BETWEEN 84W AND 87W...FROM 04N TO 08N  
BETWEEN 88W AND 89W...FROM 10N TO 12N BETWEEN 91W AND 98W...FROM  
04N TO 11N BETWEEN 101W AND 108W...FROM 11N TO 18N BETWEEN 99W 
AND 108W...FROM 11N TO 16N BETWEEN 114W AND 117W...FROM 06N TO 
10N BETWEEN 123W AND 131W...AND FROM 11N TO 13N BETWEEN 139W AND 
140W. SCATTERED MODERATE FROM 08N TO 11N BETWEEN 117W AND 122W
...AND WITHIN 120 NM NE OF LINE FROM 18N132W TO 10N127W. 

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.