000
FZPN03 KNHC 211624
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MON SEP 21.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 22.
48 HOUR FORECAST VALID 1200 UTC WED SEP 23.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SEVENTEEN-E NEAR 17.0N 112.0W 1004 MB AT
1500 UTC SEP 21 MOVING WNW OR 290 DEG AT 12 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS LESS THAN 12 FT.
ELSEWHERE WITHIN 17N107W TO 17N111W TO 19N111W TO 20N110W TO 
19N106W TO 17N107W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 
KT OR LESS. SEAS 8 FT IN S TO SW SWELL. REMAINDER OF AREA WITHIN
14N106W TO 13N107W TO 14N109W TO 15N109W TO 16N107W TO 14N106W 
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.12 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 17.8N 113.7W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. 
.24 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 18.8N 115.9W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 60 NM OF STORM CENTER WITH SEAS TO 13 FT.
ELSEWHERE WITHIN 18N114W TO 18N117W TO 20N117W TO 21N116W TO 
20N114W TO 18N114W SE WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. 
REMAINDER OF AREA WITHIN 16N113W TO 17N116W TO 18N114W TO 21N115W
TO 20N110W TO 16N113W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S 
TO SW SWELL. 
.48 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.0N 119.9W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12
FT OR GREATER WITHIN 90 NM OF STORM CENTER WITH SEAS TO 23 FT.
ELSEWHERE WITHIN 19N117W TO 18N120W TO 20N122W TO 23N120W TO 
22N117W TO 19N117W E WINDS 20 TO 33 KT. SEAS 11 TO 13 FT. 
REMAINDER OF AREA WITHIN 19N114W TO 17N118W TO 19N122W TO 23N120W
TO 22N115W TO 19N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW
SWELL.
.72 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.5N 
123.4W. 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 20.5N 126.5W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
.120 HOUR FORECAST TROPICAL STORM SEVENTEEN-E NEAR 20.5N 130.5W.
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 13N96W TO 13N97W TO 14N97W TO 16N95W TO 15N94W TO
13N96W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 20
TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 14N94W TO 13N95W TO 15N96W TO 16N95W TO
15N94W TO 14N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
20 TO 25 KT. SEAS 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. 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 1545 UTC MON SEP 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 08N82W TO 08N97W TO 12N103W, 
THEN RESUMES NEAR 13N116W TO 11N133W. SCATTERED MODERATE 
CONVECTION IS WITHIN 120 NM EITHER SIDE OF THE MONSOON AXIS E OF 
110W. 

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.