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High Seas Forecast (Tropical NE Pacific)



000
FZPN03 KNHC 182124
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC FRI OCT 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI OCT 18.
24 HOUR FORECAST VALID 1800 UTC SAT OCT 19.
48 HOUR FORECAST VALID 1800 UTC SUN OCT 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM OCTAVE NEAR 11.0N 126.6W 1006 MB AT 2100 UTC OCT
18 MOVING N OR 360 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 12 FT OR GREATER WITHIN 20 NM NE
AND SW QUADRANTS...AND 30 NM SE AND NW QUADRANTS WITH SEAS TO 13
FT. ELSEWHERE WITHIN 10N126W TO 10N128W TO 11N128W TO 11N127W TO 
10N126W W TO NW WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF
AREA WITHIN 09N120W TO 08N128W TO 12N130W TO 12N125W TO 09N120W
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION OCTAVE NEAR 11.6N 126.3W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 60 NM OF CENTER
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.9N 
125.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 60 NM 
NW AND 45 NM SE SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.3N 
125.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 60 NM 
OF CENTER WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 11.1N 
125.7W. 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 11.9N 
125.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW OCTAVE NEAR 12.9N 
125.7W. 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 28N118W TO 28N131W TO 30N131W TO 30N119W TO 28N118W N
WINDS 20 TO 25 KT. SEAS 11 TO 13 FT IN NW SWELL. ELSEWHERE WITHIN
25N119W TO 20N133W TO 15N140W TO 30N140W TO 29N116W TO 25N119W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 25N118W TO 25N124W TO 30N124W TO 
30N118W TO 25N118W N WINDS 20 TO 25 KT. SEAS 11 TO 13 FT IN NW 
SWELL. ELSEWHERE WITHIN 21N113W TO 11N123W TO 11N140W TO 30N140W 
TO 30N116W TO 21N113W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW 
TO N SWELL.
.48 HOUR FORECAST WITHIN 27N117W TO 26N121W TO 30N123W TO 
30N117W TO 27N117W NW TO N WINDS 20 TO 25 KT. SEAS 11 TO 13 FT IN
NW SWELL. ELSEWHERE WITHIN 11N96W TO 07N123W TO 16N140W TO 
30N140W TO 30N116W TO 11N96W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NW SWELL.

.LOW PRES NEAR 15N111W 1011 MB. WITHIN 11N102W TO 10N113W TO 
10N119W TO 14N107W TO 13N101W TO 11N102W SW TO W WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES NEAR 15N106W. WITHIN 12N96W TO 10N110W
TO 14N111W TO 18N105W TO 16N98W TO 12N96W SW TO W WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST CONDITIONS MERGED.

.48 HOUR FORECAST WITHIN 04N82W TO 03N85W TO 06N85W TO 07N83W TO
06N80W TO 04N82W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.

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

CONVECTION VALID AT 2100 UTC FRI OCT 18...

.TROPICAL STORM OCTAVE...SCATTERED MODERATE WITHIN 60 NM W
SEMICIRCLE.

.LOW PRES NEAR 19N105W 1010 MB. SCATTERED MODERATE WITHIN 180 NM
NW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N76W TO 10N86W TO 15N93W TO 1011 
MB LOW PRES NEAR 15N111W TO 10N123W...THEN RESUMES FROM 10N130W 
TO 10N140W. SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 19N 
BETWEEN 99W AND 107W. SCATTERED MODERATE WITHIN 180 NM S OF
MONSOON TROUGH W OF 130W.

$$
.FORECASTER REINHART. NATIONAL HURRICANE CENTER.