000
FZPN03 KNHC 182120
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 18.
24 HOUR FORECAST VALID 1800 UTC WED AUG 19.
48 HOUR FORECAST VALID 1800 UTC THU AUG 20.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GENEVIEVE NEAR 18.7N 108.7W 950 MB AT 2100 UTC AUG 18
MOVING NW OR 310 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 115 KT
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 130 NM NE
QUADRANT...110 NM SE QUADRANT...80 NM SW QUADRANT...AND 90 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM W
SEMICIRCLE...195 NM NE QUADRANT AND 270 NM SE QUADRANT WITH SEAS 
TO 38 FT. ELSEWHERE WITHIN 19N105W TO 15N108W TO 19N112W TO 
21N111W TO 22N107W TO 19N105W...INCLUDING NEAR CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 10N106W TO 09N113W TO 20N113W TO 23N109W TO 17N100W 
TO 10N106W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE GENEVIEVE NEAR 20.9N 110.4W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 270 NM WITH SEAS TO 42 FT. ELSEWHERE WITHIN 
18N108W TO 18N111W TO 20N114W TO 24N110W TO 22N107W TO 
18N108W...INCLUDING GULF OF CALIFORNIA AND NEAR CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 10N108W TO 18N119W TO 26N116W TO 26N109W TO 18N104W 
TO 10N108W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE GENEVIEVE NEAR 22.7N 112.4W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...80 NM SW QUADRANT AND 90 NM NW 
QUADRANT. SEAS 12 FT OR GREATER 240 WITH SEAS TO 39 FT. 
ELSEWHERE WITHIN 19N112W TO 21N115W TO 25N114W TO 25N111W TO 
23N110W TO 19N112W...INCLUDING GULF OF CALIFORNIA AND NEAR CABO 
CORRIENTES...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 13N104W TO 10N113W TO 28N127W TO 30N118W TO 24N107W 
TO 13N104W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 24.4N 115.1W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM GENEVIEVE NEAR 26.6N 118.4W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 
28.9N 121.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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.

.42 HOUR FORECAST WITHIN 06N86W TO 05N89W TO 06N91W TO 09N88W TO
08N85W TO 06N86W WINDS 20 KT OR LESS. SEAS 8 FT IN SW TO W
SWELL.
.48 HOUR FORECAST WITHIN 05N83W TO 06N95W TO 09N91W TO 09N88W TO
07N82W TO 05N83W SW WINDS 20 TO 25 KT. SEAS 8 FT IN SW TO W
SWELL.

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

CONVECTION VALID AT 1800 UTC TUE AUG 18...

.HURRICANE GENEVIEVE...NUMEROS MODERATE TO STRONG CONVECTION
WITHIN 240 NM IN THE NE QUADRANT...180 NM IN THE SE  
QUADRANT...180 NM IS THE SW QUADRANT AND SCATTERED MODERATE 
CONVECTION IN THE 140 NM IN THE NW QUADRANT. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N85W TO 14N98W...THEN RESUMES WEST
OF HURRICANE GENEVIEVE FROM 15N110W TO 15N124W TO A 1010 MB LOW 
PRESSURE NEAR 14N139W. SCATTERED MODERATE ISOLATED STRONG SOUTH 
OF THE MONSOON TROUGH FROM 03N-09N BETWEEN 78W-90W.

$$
.FORECASTER TORRES. NATIONAL HURRICANE CENTER.