000
FZPN03 KNHC 290901
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE SEP 29.
24 HOUR FORECAST VALID 0600 UTC WED SEP 30.
48 HOUR FORECAST VALID 0600 UTC THU OCT  1.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 13.2N 107.6W 1005 MB AT
0900 UTC SEP 29 MOVING W OR 275 DEG AT 9 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 10N105W TO 09N112W TO 12N112W TO 
13N110W TO 13N105W TO 10N105W WINDS 20 TO 30 KT. SEAS 9 TO 11 
FT. ELSEWHERE WITHIN 07N100W TO 05N111W TO 10N121W TO 15N114W TO
14N102W TO 07N100W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW
SWELL.
 .12 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 13.5N 109.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 14.2N 111.2W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM OF CENTER EXCEPT 40 NM SE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 16 FT. 
ELSEWHERE WITHIN 11N110W TO 09N115W TO 12N111W TO 16N113W TO 
15N110W TO 11N110W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER 
AREA WITHIN 11N103W TO 07N113W TO 10N118W TO 16N113W TO 17N106W 
TO 11N103W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 14.8N 117.3W. 
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 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 90 NM SW QUADRANTS WITH SEAS 
TO 22 FT. ELSEWHERE WITHIN 11N113W TO 10N119W TO 14N120W TO 
17N119W TO 17N114W TO 11N113W WINDS 20 TO 33 KT. SEAS 10 TO 12 
FT. REMAINDER AREA WITHIN 08N114W TO 14N120W TO 18N119W TO 
20N113W TO 15N108W TO 08N114W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 
16.2N 122.3W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE EIGHTEEN-E NEAR 18.3N 126.2W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. .120 HOUR FORECAST TROPICAL 
STORM EIGHTEEN-E NEAR 20.5N 129.2W. MAXIMUM SUSTAINED WINDS 60 KT
GUSTS 75 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...
.12 HOUR FORECAST WITHIN 15N94W TO 15N95W TO 16N95W TO 16N94W TO
15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS 8 FT.
.15 HOUR FORECAST WITHIN 15.5N94.5W TO 15N94.5W TO 15.5N95W TO 
16N95W TO 16.5N94.5W TO 15.5N94.5W...INCLUDING THE GULF OF 
TEHUANTEPEC... N WINDS 30 TO 40 KT. SEAS 10 TO 13 FT. ELSEWHERE 
WITHIN 15N94W TO 14N95W TO 15N96W TO 16N95W TO 16N93W TO 
15N94W N WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 14N95W TO 13N96W TO 15N96W TO 16N95W 
TO 16N94W TO 14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO 
NE WINDS 30 TO 40 KT. SEAS 12 TO 17 FT. ELSEWHERE WITHIN 13N94W 
TO 12N95W TO 13N97W TO 16N95W TO 16N94W TO 13N94W N TO NE WINDS 
20 TO 30 KT. SEAS 10 TO 15 FT. REMAINDER AREA WITHIN 13N93W TO 
12N97W TO 15N97W TO 16N95W TO 15N93W TO 13N93W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 14N95W TO 14N96W TO 16N95W TO 15N95W TO
14N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS 30 
TO 35 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 13N95W TO 12N96W TO
12N98W TO 16N95W TO 15N94W TO 13N95W N TO NE WINDS 20 TO 30 KT. 
SEAS 10 TO 14 FT. REMAINDER AREA WITHIN 08N93W TO 07N96W TO 
12N102W TO 16N95W TO 12N92W TO 08N93W WINDS 20 KT OR LESS. SEAS 8
TO 12 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 03S83W TO 03.4S88W TO 04N85W TO 05N83W TO 04N81W TO
03S83W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.42 HOUR FORECAST WITHIN 29N138W TO 27N139W TO 27N140W TO
30N140W TO 30N137W TO 29N138W WINDS 20 KT OR LESS. SEAS 8 FT IN
NW SWELL.
.48 HOUR FORECAST WITHIN 28N138W TO 27N140W TO 30N140W TO 
30N137W TO 28N138W 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 0900 UTC TUE SEP 29...

T.D. EIGHTEEN-E...NUMEROUS MODERATE SCATTERED STRONG WITHIN 90 
NM OF THE CENTER...EXCEPT 60 NM NE QUADRANT. SCATTERED MODERATE 
ISOLATED STRONG ELSEWHERE FROM 08N TO 17N BETWEEN 102W AND 113W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 14N102W TO 10N140W. SCATTERED 
MODERATE ISOLATED STRONG FROM 05N TO 16N BETWEEN 84W AND 96W. 
SCATTERED MODERATE FROM 08N TO 11N BETWEEN 125W AND 140W.

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.