000
FZPN03 KNHC 210334
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 21 2020

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 21.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 22.
48 HOUR FORECAST VALID 0000 UTC WED SEP 23.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SEVENTEEN-E NEAR 16.1N 109.3W 1005 MB AT 
0300 UTC SEP 21 MOVING WNW OR 290 DEG AT 6 KT. MAXIMUM SUSTAINED 
WINDS 25 KT GUSTS 35 KT. WITHIN AREA BOUNDED BY 16N105W TO 
17N107W TO 19N109W TO 19N107W TO 18N106W TO 16N105W E TO SE 
WINDS 20 TO 25 KT. SEAS TO 9 FT. WITHIN AREA BOUNDED BY 13N106W 
TO 14N109W TO 15N108W TO 15N106W TO 13N106W SW TO W WINDS 20 TO 
25 KT. SEAS 8 FT.
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 17.9N 112.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 0 NM OF CENTER EXCEPT 40 NM NE QUADRANT. SEAS 12 FT 
OR GREATER WITHIN AREA OF TROPICAL STORM WINDS WITH SEAS TO 14 
FT. ELSEWHERE WITHIN AREA BOUNDED BY 17N112W TO 17N115W TO 
19N113W TO 18N112W TO 18N111W TO 17N112W WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 18N106W TO 15N109W TO 
15N111W TO 20N111W TO 21N110W TO 18N106W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL. WITHIN AREA BOUNDED BY 11N106W 
TO 10N113W TO 12N117W TO 13N111W TO 11N106W WINDS 20 KT OR LESS. 
SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 19.6N 117.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 
40 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER 
...EXCEPT 30 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 
AREA BOUNDED BY 18N115W TO 19N120W TO 21N119W TO 21N116W TO 
20N115W TO 18N115W WINDS 20 TO 33 KT. SEAS 10 TO 14 FT. 
REMAINDER OF AREA BOUNDED BY WITHIN 19N113W TO 18N115W TO 
20N115W TO 22N119W TO 23N113W TO 19N113W WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.3N 120.8W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.4N 123.7W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.7N 126.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 AREA BOUNDED BY 14N94W TO 14N96W TO 15N96W TO 16N95W TO 
16N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE 
WINDS 20 TO 25 KT. SEAS 8 FT. 
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 14N95W TO 14N96W TO 
15N97W TO 16N95W TO 14N95W...INCLUDING THE GULF OF 
TEHUANTEPEC...WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 FT.

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

CONVECTION VALID AT 0330 UTC MON SEP 21...

.TROPICAL DEPRESSION SEVENTEEN-E...SCATTERED MODERATE ISOLATED 
STRONG FROM 10N TO 17N BETWEEN 109W AND 114W. SCATTERED MODERATE
FROM 10N TO 16N BETWEEN 105W AND 109W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N86W TO 10N95W AND TO 
13N102W. IT RESUMES AT 13N116W TO 12N126W TO LOW PRES NEAR 
10N134W 1009 MB AND TO 09N136W WHERE IT TRANSITIONS TO THE ITCZ 
TO 10N140W. SCATTERED MODERATE WITHIN 180 NM S OF TROUGH BETWEEN 
84W AND 85W...WITHIN 60 NM S OF ITCZ W OF 138W AND WITHIN 30 NM 
S OF TROUGH BETWEEN 134W AND 138W.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.