911 
FZPN03 KNHC 190920
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED AUG 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED AUG 19.
24 HOUR FORECAST VALID 0600 UTC THU AUG 20.
48 HOUR FORECAST VALID 0600 UTC FRI AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 20.2N 109.4W 960 MB AT 0900 UTC AUG 19
MOVING NNW OR 335 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 100 KT 
GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NW AND SE 
QUADRANTS...120 NM NE QUADRANT AND 80 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 200 NM N SEMICIRCLE...240 NM SE QUADRANT AND 
180 NM SW QUADRANT WITH SEAS TO 39 FT. ELSEWHERE WITHIN 18N105W 
TO 18N112W TO 23N112W TO 23N106W TO 18N105W...INCLUDING NEAR CABO
CORRIENTES...WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF 
AREA WITHIN 10N108W TO 10N115W TO 19N116W TO 26N109W TO 18N103W 
TO 10N108W...INCLUDING THE SOUTHERN GULF OF CALIFORNIA...WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 22.1N 110.7W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 80 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM E SEMICIRCLE AND
150 NM W SEMICIRCLE WITH SEAS TO 37 FT. ELSEWHERE WITHIN 22N106W
TO 19N108W TO 19N113W TO 25N114W TO 25N108W TO 22N106W... 
INCLUDING THE SOUTHERN GULF OF CALIFORNIA...WINDS 20 TO 33 KT. 
SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 14N104W TO 11N106W TO 
11N115W TO 26N119W TO 26N109W TO 14N104W...INCLUDING NEAR CABO 
CORRIENTES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GENEVIEVE NEAR 23.7N 112.7W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM OF CENTER EXCEPT 80 NM NE QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 100 NM N SEMICIRCLE...180 NM SE QUADRANT AND 120 
NM SW QUADRANT WITH SEAS TO 29 FT. ELSEWHERE WITHIN 21N110W TO 
20N116W TO 25N116W TO 26N112W TO 24N110W TO 21N110W WINDS 20 TO 
33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA WITHIN 16N106W TO 
11N108W TO 11N117W TO 26N116W TO 23N106W TO 16N106W...INCLUDING 
THE SOUTHERN GULF OF CALIFORNIA...WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 25.8N 116.1W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL GENEVIEVE NEAR 28.0N 119.5W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 
30.0N 122.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 03.4S104W TO 03.4S117W TO 02S115W TO 01S108W TO
03.4S104W WINDS 20 KT OR LESS. SEAS 8 FT IN S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03.4S104W TO 03.4S120W TO 02S120W TO 
02S104W TO 03.4S104W WINDS 20 KT OR LESS. SEAS 8 FT IN SE TO S 
SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST WITHIN 07N85W TO 06N90W TO 08N90W TO 08N85W TO
07N85W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN 05N83W TO 06N95W TO 08N98W TO 10N93W TO
10N86W TO 05N83W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT IN SW 
SWELL.

.30 HOUR FORECAST GULF OF CALIFORNIA N OF 29.5N SE TO S WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST WITHIN 29N121W TO 27N125W TO 29N127W TO
30N126W TO 30N120W TO 29N121W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED N AND E TO SE SWELL.
.48 HOUR FORECAST WITHIN 28N119W TO 27N122W TO 26N129W TO 
30N127W TO 30N119W TO 28N119W WINDS 20 KT OR LESS. SEAS 8 TO 9 
FT IN MIXED N AND E TO SE SWELL.

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

CONVECTION VALID AT 0900 UTC WED AUG 19...

.HURRICANE GENEVIEVE. SCATTERED MODERATE TO STRONG WITHIN 60 NM 
OF CENTER. SCATTERED MODERATE FROM 17N TO 21N BETWEEN 106W AND 
112W.

.TROPICAL WAVE ALONG 96.5W. SCATTERED MODERATE ISOLATED STRONG
FROM 09N TO 16N WITHIN 180 NM OF WAVE AXIS. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N77W TO 07N82W TO
10N95W...RESUMES SW OF HURRICANE GENEVIEVE FROM 16N110W TO 
11N117W...THEN CONTINUES FROM 1010 MB LOW PRES NEAR 16N124W TO 
11N131W TO 14N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
120 NM S OF MONSOON TROUGH E OF 80W...WITHIN 120 NM N OF MONSOON
TROUGH BETWEEN 84W AND 87W...AND WITHIN 180 NM S OF THE MONSOON 
TROUGH BETWEEN 90W AND 94W. SCATTERED MODERATE WITHIN 120 NM OF 
MONSOON TROUGH BETWEEN 111W AND 117W. 

$$
.FORECASTER B REINHART. NATIONAL HURRICANE CENTER.