000
FZPN03 KNHC 190236
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT OCT 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT OCT 19.
24 HOUR FORECAST VALID 0000 UTC SUN OCT 20.
48 HOUR FORECAST VALID 0000 UTC MON OCT 21.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OCTAVE NEAR 11.5N 126.6W 1006 MB AT 0300 UTC OCT
19 MOVING N OR 05 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 20 NM OF CENTER
EXCEPT 30 NM SE QUADRANT. SEAS TO 12 FT WITHIN 30 NM SE QUADRANT.
ELSEWHERE WITHIN 10N124W TO 09N128W TO 13N128W TO 13N125W TO 
10N124W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.9N 
126.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM 
OF CENTER WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.2N 
125.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 60 NM 
NW AND 30 NM SE SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.4N 
126.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 12.5N 
126.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 13.0N 
125.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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.

.WITHIN 28N117W TO 27N126W TO 30N128W TO 30N117W TO 28N117W N
WINDS 20 TO 25 KT. SEAS 11 TO 13 FT IN NW SWELL. ELSEWHERE WITHIN
25N117W TO 19N133W TO 14N140W TO 30N140W TO 29N115W TO 25N117W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 25N117W TO 25N122W TO 30N124W TO 
30N118W TO 25N117W NW TO N WINDS 20 TO 25 KT. SEAS 11 TO 13 FT IN
NW SWELL. ELSEWHERE WITHIN 18N112W TO 12N120W TO 10N140W TO 
30N140W TO 30N116W TO 18N112W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 25N118W TO 24N126W TO 30N127W TO 
30N118W TO 25N118W N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN NW 
SWELL. ELSEWHERE WITHIN 09N106W TO 10N126W TO 16N140W TO 25N140W 
TO 30N116W TO 09N106W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW 
TO N SWELL.

.WITHIN 12N96W TO 10N111W TO 16N107W TO 16N97W TO 12N96W SW TO W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 16N99W TO 14N108W TO 10N110W TO 11N98W
TO 15N96W TO 16N99W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN
S TO SW SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.

.48 HOUR FORECAST WITHIN 05N80W TO 04N84W TO 06N85W TO 07N81W TO
05N80W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.

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

CONVECTION VALID AT 0200 UTC SAT OCT 19...

.SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM NW QUADRANT OF 
TROPICAL STORM OCTAVE.

.SCATTERED MODERATE WITHIN 120 NM NE SEMICIRCLE OF LOW PRES NEAR
19N105W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N76W TO 10N85W TO 15N93W TO 15N110W
TO 10N123W...THEN RESUMES FROM 10N130W TO 10N140W. SCATTERED
MODERATE ISOLATED STRONG FROM 12N TO 18N BETWEEN 101W AND 108W.
SCATTERED MODERATE WITHIN 120 NM S OF MONSOON TROUGH W OF 132W. 

$$
.FORECASTER REINHART. NATIONAL HURRICANE CENTER.