250 
FZPN03 KNHC 200847
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN OCT 20 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN OCT 20.
24 HOUR FORECAST VALID 0600 UTC MON OCT 21.
48 HOUR FORECAST VALID 0600 UTC TUE OCT 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION NINETEEN-E NEAR 17.5N 104.0W 1005 MB AT 
0900 UTC OCT 20 MOVING N OR 355 DEG AT 6 KT. MAXIMUM SUSTAINED 
WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM SW SEMICIRCLE WINDS 20 TO 
30 KT. SEAS 8 TO 10 FT.  
.24 HOUR FORECAST TROPICAL DEPRESSION NINETEEN-E INLAND NEAR 
19.6N 104.4W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER 
FORECAST WATERS WITHIN 60 NM SW QUADRANT WINDS 20 TO 25 KT. SEAS 
TO 8 FT. 
.36 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT. 

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE 
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE 
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.N OF 28N BETWEEN 121W AND 124W N WINDS 20 TO 25 KT. SEAS 10 TO 
13 FT IN NW SWELL. FROM 20N TO 22N BETWEEN 131W AND 137W NE 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN 30N116W TO 
20N111W TO 09N111W TO 08N140W TO 30N140W TO 30N116W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. 
.24 HOUR FORECAST N OF 20N BETWEEN 120W AND 124W N WINDS 20 TO 
25 KT. SEAS 10 TO 12 FT IN NW SWELL. FROM 15N TO 20N BETWEEN 
136W AND 140W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE 
WITHIN 30N116W TO 15N103W TO 08N103W TO 10N140W TO 30N140W TO 
30N116W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL. 
.48 HOUR FORECAST WITHIN 30N117W TO 07N103W TO 02N113W TO 
20N140W TO 30N140W TO 30N117W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN NW TO N SWELL.

.FROM 10N TO 14N BETWEEN 104W AND 111W SW TO W WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. FROM 10N TO 14N BETWEEN 96W AND 111W WINDS 
20 KT OR LESS. SEAS TO 9 FT IN SW SWELL.  
.24 HOUR FORECAST FROM 09N TO 13N BETWEEN 97W AND 103W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED. 

.LOW PRES NEAR 10N137W 1010 MB. WITHIN 90 NM N QUADRANT WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES NEAR 10N139.5W 1010 MB. WITHIN 60 NM 
N QUADRANT WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST LOW PRES W OF AREA. FROM 10N TO 15N BETWEEN 
138W AND 140W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED NW AND 
NE SWELL. 

.FROM 02N TO 05N BETWEEN 81W AND 87W WINDS 20 KT OR LESS. SEAS 
TO 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST FROM 04N TO 07N BETWEEN 81W AND 84W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN S TO SW SWELL.
.36 HOUR FORECAST 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 0830 UTC SUN OCT 20...

.TD 19-E...SCATTERED MODERATE ISOLATED STRONG FROM 16N TO 20N 
BETWEEN 102W AND 107W.

.TROPICAL WAVE AXIS NEAR 87W N OF 03N. SCATTERED MODERATE 
ISOLATED STRONG FROM 05N TO 11N BETWEEN 82W AND 88W. 

.LOW PRES NEAR 10N137W. SCATTERED MODERATE ISOLATED STRONG 
FROM 09N TO 12N BETWEEN 134W AND 138W

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 12N87W TO 17N104W TO 11.5N126W TO 10N137W TO 
09N140W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 11N 
BETWEEN 90W AND 100W. SCATTERED MODERATE CONVECTION WAS NOTED 
FROM 10N TO 14N BETWEEN 103W AND 110W. 

$$ 
.FORECASTER AL. NATIONAL HURRICANE CENTER.