000
FZPN03 KNHC 192219
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 19.
24 HOUR FORECAST VALID 1800 UTC THU AUG 20.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 21.4N 110.1W 974 MB AT 2100 UTC AUG 19
MOVING NNW OR 330 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE
QUADRANTS...120 NM NE QUADRANT AND 70 NM SW QUADRANT. WINDS 20 TO
33 KT AND SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER EXCEPT 
210 NM SE QUADRANT WITH SEAS TO 38 FT. ELSEWHERE FROM 11N TO 15N
BETWEEN 105W TO 117W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN
MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 23.1N 111.7W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 70 NM SW
QUADRANT. SEAS 12 FT OR GREATER 180 NM S SEMICIRCLE...120 NM IN 
NW QUADRANT...AND 60 NM NE QUADRANT WITH SEAS TO 30 FT. ELSEWHERE
WINDS 2O TO 33 KT WITHIN 180 NM OF CENTER. SEAS 10 TO 12 FT. 
REMAINDER OF AREA FROM 12N TO 26N BETWEEN 106W AND 118W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 24.8N 114.5W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM OF CENTER EXCEPT 80 NM NE QUADRANT. SEAS 12 FT
OR GREATER WITHIN 135 NM IN SE QUADRANT...90 NM IN NE AND SW 
QUADRANT...AND 60 NM IN NW QUADRANT WITH SEAS TO 25 FT. ELSWHERE 
WINDS 2O TO 33 KT WITHIN 120 NM OF CENTER. SEAS 10 TO 12 FT. 
REMAINDER OF AREA FROM 20N TO 26N BETWEEN 111W AND 118W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 27.1N 118.2W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 29.1N
121.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. .120 HOUR 
FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 30.5N 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 03.4S111W TO 03.4S115.5W TO 03S115.5W TO 03S113.5W TO
02.5S112.5W TO 03.4S111W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
S TO SW SWELL.
.24 HOUR FORECAST WITHIN 03.4S82W TO 03S84W TO 02S83W TO 02S82W
TO 03.4S82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. 

.06 HOUR FORECAST WITHIN 07N84W TO 06N86W TO 06N89W TO 08N91W TO
09N88W TO 07N84W WINDS 20 KT OR LESS. SEAS 8 FT IN SW TO W
SWELL.
.24 HOUR FORECAST WITHIN 05N84W TO 05N93W TO 07N98W TO 10N90W TO
09N85W TO 05N84W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW
SWELL.
.48 HOUR FORECAST WITHIN 06N85W TO 05N100W TO 09N99W TO 11N90W
TO 08N83W TO 06N85W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW
SWELL.

.18 HOUR FORECAST WITHIN 28N111W TO 27N112W TO 30N115W TO
32N115W TO 31N113W TO 28N111W...INCLUDING GULF OF CALIFORNIA...
SE TO S WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST WITHIN 28N125W TO 28N126W TO 29N127W TO
30N126W TO 30N122W TO 28N125W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 29N120W TO 27N122W TO 28N127W TO
30N126W TO 30N120W TO 29N120W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN E TO SE SWELL.

.36 HOUR FORECAST WITHIN 12N111W TO 12N116W TO 13N116W TO
14N112W TO 15N108W TO 12N111W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN SE TO S SWELL.
.48 HOUR FORECAST WITHIN 12N111W TO 11N117W TO 13N114W TO
14N109W TO 13N109W TO 12N111W SW TO W WINDS 20 TO 25 KT. SEAS 8
TO 10 FT IN SE TO S SWELL.

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

CONVECTION VALID AT 2200 UTC WED AUG 19...

.HURRICANE GENEVIEVE. SCATTERED MODERATE TO STRONG WITHIN 60 NM 
OF CENTER.

.TROPICAL WAVE ALONG 100W. SCATTERED MODERATE ISOLATED STRONG 
FROM 10N TO 13N BETWEEN 98W AND 101W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 09N79W TO 12N100W...RESUMES SOUTH OF 
HURRICANE GENEVIEVE FROM 16N111W TO A 1009 MB LOW NEAR 16N125W... 
THEN TO 14N140W. SCATTERED MODERATE AND ISOLATED STRONG 
FROM 08N TO 11N EAST OF 93W AND SCATTERED MODERATE FROM 11N TO 
15N BETWEEN 107W AND 122W. 

$$
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.