000
FZPN03 KNHC 291621
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 29.
24 HOUR FORECAST VALID 1200 UTC WED SEP 30.
48 HOUR FORECAST VALID 1200 UTC THU OCT  1.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 13.3N 108.5W 1005 MB AT
1500 UTC SEP 29 MOVING W OR 280 DEG AT 9 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 10N110W TO 10N111W TO 12N109W TO
14N108W TO 12N107W TO 10N110W WINDS 20 TO 30 KT. SEAS 9 TO 14 FT
IN SW SWELL. ELSEWHERE WITHIN 09N100W TO 06N111W TO 10N119W TO 
14N112W TO 15N103W TO 09N100W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN S TO SW SWELL.
.12 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 13.8N 110.4W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 14.4N 113.2W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM N SEMICIRCLE AND 50 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 90 NM E AND 60 NM W SEMICIRCLES WITH SEAS TO
16 FT. ELSEWHERE WITHIN 14N113W TO 14N114W TO 15N114W TO 16N113W
TO 15N112W TO 14N113W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
WITHIN 11N110W TO 09N112W TO 10N115W TO 14N110W TO 12N109W TO 
11N110W S TO SW WINDS 20 TO 25 KT. SEAS 10 TO 11 FT IN SW TO W 
SWELL. REMAINDER OF AREA WITHIN 10N105W TO 08N114W TO 10N119W TO 
17N113W TO 17N107W TO 10N105W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 14.7N 119.0W. 
MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM E SEMICIRCLE...120 NM NW AND 75 NM SW QUADRANTS WITH SEAS 
TO 26 FT. ELSEWHERE WITHIN 12N115W TO 11N117W TO 14N122W TO 
18N121W TO 16N116W TO 12N115W WINDS 20 TO 33 KT. SEAS 9 TO 13 FT.
REMAINDER OF AREA WITHIN 13N109W TO 08N115W TO 10N120W TO 
16N122W TO 20N113W TO 13N109W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 16.4N 124.0W. 
MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. EXTENDED 
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 18.9N 127.6W. 
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 21.0N 130.5W. 
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.

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

...GALE WARNING...
.09 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS TO 10 FT. 
ELSEWHERE WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO 15N94W 
N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 14N95W TO 13N96W TO 15N95W TO 16N95W TO
16N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 
30 TO 40 KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN 11N96W TO 12N99W 
TO 14N97W TO 16N95W TO 15N94W TO 11N96W N TO NE WINDS 20 TO 30 
KT. SEAS 8 TO 13 FT. REMAINDER OF AREA WITHIN 11N96W TO 12N98W TO
14N98W TO 16N95W TO 14N93W TO 11N96W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN NE TO NE SWELL.
.48 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING
THE GULF OF TEHUANTEPEC...N WINDS 30 TO 35 KT. SEAS 9 TO 13 FT.
ELSEWHERE WITHIN 14N95W TO 12N95W TO 13N97W TO 16N95W TO 
16N94W TO 14N95W N TO NE WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
REMAINDER OF AREA WITHIN 07N92W TO 05N98W TO 06N101W TO 12N102W 
TO 16N94W TO 07N92W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO
NE SWELL. 

.SYNOPSIS AND FORECAST.

.WITHIN 02N82W TO 02N82W TO 03N83W TO 04N83W TO 04N81W TO 02N82W
WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.42 HOUR FORECAST WITHIN 28N140W TO 30N140W TO 30N138W TO
28N140W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 27N138W TO 26N140W TO 30N140W TO 
30N135W TO 27N138W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW 
SWELL.

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

CONVECTION VALID AT 1540 UTC TUE SEP 29...

.T.D EIGHTEEN-E...SCATTERED MODERATE TO STRONG FROM 10N TO 20N
BETWEEN 103W AND 116W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 10N74W TO 10N84W TO T.D. 
EIGHTEEN-E NEAR 13.3N108.5W TO 09N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION IS NOTED FROM 03N TO 11N BETWEEN 78W 
AND 96W AND WITHIN 120 NM S OF TROUGH BETWEEN 127W AND 140W. 

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.