271 
FZPN03 KNHC 090329
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN AUG 9 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 9.
24 HOUR FORECAST VALID 0000 UTC MON AUG 10.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 11.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL DEPRESSION NINE-E NEAR 14.7N 102.6W 1007 MB AT 0300
UTC AUG 09 MOVING WNW OR 295 DEG AT 12 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 15N99W TO 14N102W TO 16N102W TO
16N99W TO 15N99W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.12 HOUR FORECAST TROPICAL STORM NINE-E NEAR 15.6N 104.5W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. WITHIN 14N102W TO 
14N104W TO 15N106W TO 18N104W TO 17N101W TO 14N102W SE WINDS 25 
TO 35 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM NINE-E NEAR 16.7N 107.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. SEAS TO 12
FT WITHIN 120 NM NE QUADRANT. ELSEWHERE WITHIN 17N103W TO 
15N105W TO 16N108W TO 18N109W TO 20N107W TO 17N103W SE WINDS 20 
TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST HURRICANE NINE-E NEAR 18.8N 112.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 30 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE AND 90 NM NW
QUADRANTS WITH SEAS TO 18 FT. ELSEWHERE WITHIN 18N110W TO 17N113W TO
20N114W TO 22N111W TO 21N108W TO 18N110W SE WINDS 20 TO 33 KT. 
SEAS 8 TO 11 FT.
.72 HOUR FORECAST HURRICANE NINE-E NEAR 20.5N 117.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM NINE-E NEAR 21.4N 122.7W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM NINE-E NEAR 21.0N 127.0W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 07N107W TO 08N119W TO 09N118W TO 11N111W TO 11N109W TO
07N107W SW WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 07N115W TO 08N120W TO 10N118W TO
14N106W TO 11N106W TO 07N115W WINDS 20 KT OR LESS. SEAS 8 FT IN
S TO SW SWELL.
.48 HOUR FORECAST WITHIN 07N123W TO 08N126W TO 12N117W TO
14N111W TO 12N112W TO 07N123W WINDS 20 KT OR LESS. SEAS 8 FT IN
S TO SW SWELL.

.WITHIN 15N94.5W TO 15N95W TO 16N95W TO 16N94.5W TO
15N94.5W...INCLUDING THE GULF OF TEHUANTEPEC... NE WINDS 20 TO
25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 15N94.5W TO 15N95W TO 16N95W TO 
16N94.5W TO 15N94.5W...INCLUDING THE GULF OF TEHUANTEPEC... N 
WINDS 20 TO 30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST WITHIN 15N95W TO 15N96W TO 16N95W TO 16N94W TO
15N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO 30 
KT. SEAS TO 9 FT.

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

CONVECTION VALID AT 0300 UTC SUN AUG 9...

NUMEROUS MODERATE TO ISOLATED STRONG WITHIN 90 NM IN NE 
SEMICIRCLE OF T.D. NINE-E. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO LOW PRESSURE NEAR 09N87W 1009 MB 
TO T.D. NINE-E NEAR 14.7N 102.6W 1007 MB TO 10N125W TO 10N140W. 
SCATTERED MODERATE TO ISOLATED STRONG WITHIN 60 NM OF 09N99W. 
SCATTERED MODERATE WITHIN 60 NM EITHER SIDE OF MONSOON TROUGH 
BETWEEN 105W AND 140W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.