440 
FZPN03 KNHC 290241
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC TUE SEP 29.
24 HOUR FORECAST VALID 0000 UTC WED SEP 30.
48 HOUR FORECAST VALID 0000 UTC THU OCT  1.

.WARNINGS.

...GALE WARNING...
.18 HOUR FORECAST WITHIN 15N95W TO 15N96W TO 16N95W TO 16N94W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40
KT. SEAS 8 TO 9 FT. ELSEWHERE WITHIN 14N95W TO 14N96W TO 16N96W 
TO 16N95W TO 16N94W TO 14N95W N TO NE WINDS 20 TO 30 KT. SEAS 
BUILDING TO 8 FT.
.24 HOUR FORECAST WITHIN 15N94W TO 15N96W TO 16N95W TO 
15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 45 
KT. SEAS 11 TO 14 FT. ELSEWHERE WITHIN 14N95W TO 14N96W TO 
15N96W TO 16N95W TO 16N93W TO 14N95W N WINDS 20 TO 30 KT. SEAS 8
TO 13 FT. 
.48 HOUR FORECAST WITHIN 15N95W TO 14N96W TO 15N96W TO 16N96W TO
16N95W TO 15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 13N94W TO 
11N98W TO 13N97W TO 16N95W TO 16N94W TO 13N94W N TO NE WINDS 20 
TO 30 KT. SEAS 10 TO 14 FT. REMAINDER AREA WITHIN 11N92W TO 
08N95W TO 09N98W TO 13N101W TO 16N94W TO 11N92W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 13.5N106W 1006 MB. WITHIN 60 NM SE SEMICIRCLE
WINDS 20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE WITHIN 01N80W TO 
03.4S120W TO 10N126W TO 16N115W TO 16N101W TO 01N80W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN SW SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
13.5N111.7W 1005 MB. WITHIN 11N108W TO 10N108W TO 10N111W TO 
14N112W TO 15N110W TO 11N108W WINDS 20 TO 30 KT. SEAS 9 TO 11 
FT. ELSEWHERE WITHIN 09N102W TO 06N109W TO 10N120W TO 
16N116W TO 17N104W TO 09N102W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
14N116W 1004 MB. WITHIN 09N112W TO 08N116W TO 10N119W TO 17N116W
TO 14N111W TO 09N112W WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
ELSEWHERE WITHIN 09N108W TO 07N117W TO 16N118W TO 19N109W
TO 16N106W TO 09N108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.

.48 HOUR FORECAST WITHIN 27N139W TO 27N140W TO 30N140W TO
30N137W TO 29N137W TO 27N139W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.

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

CONVECTION VALID AT 0240 UTC TUE SEP 29...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 13.5N106W TO 10N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 05N TO 10N BETWEEN 83W AND 100W... 
FROM 07N TO 17N BETWEEN 100W AND 110W...AND FROM 07N TO 13N 
BETWEEN 110W AND 115W. SCATTERED MODERATE FROM 08N TO 11N 
BETWEEN 125W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.