000
FZPN03 KNHC 211530
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI AUG 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC FRI AUG 21.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 22.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 23.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM GENEVIEVE NEAR 25.0N 114.8W 1001 MB AT 1500 UTC 
AUG 21 MOVING NW OR 305 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 40 
KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE 
QUADRANT...40 NM SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM E SEMICIRCLE...75 
NM SW QUADRANT AND 90 NM NW QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER OF THE AREA FROM 22N TO 27N BETWEEN 111W AND 
119W WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 26.1N 
116.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 27.6N 
118.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. WITHIN 75 NE 
QUADRANT OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 29.5N 
121.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS 
THAN 8 FT.
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW GENEVIEVE NEAR 30.3N 
122.3W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
.72 HOUR FORECAST...DISSIPATED.

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.

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

.NW OF A LINE FROM 30N129W TO 23N134W TO ANOTHER LINE FROM 
30N128W TO 27N134W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N 
SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 120W AND 126W WINDS 20 KT OR 
LESS. SEAS 8 TO 9 FT IN N SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.FROM 07N TO 11N BETWEEN 86W AND 90W...AND FROM 06N TO 11N 
BETWEEN 90W AND 103W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW 
SWELL.
.24 HOUR FORECAST FROM 07N TO 11N BETWEEN 90W AND 100W SW WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST FROM 07N TO 12N BETWEEN 89W AND 105W SW WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. 

.FROM 12N TO 15N BETWEEN 109W AND 118W SW WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. 
.24 HOUR FORECAST FROM 12N TO 15N BETWEEN 109W AND 114W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST FROM 08N TO 11N W OF 135W S TO SW WINDS 20 TO 
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 11N TO 15N W OF 136W S TO SW WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 1500 UTC FRI AUG 21...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 12N87W TO 11N100W TO 16N111W TO 
14N124W TO 11N140W. SCATTERED MODERATE AND ISOLATED STRONG 
CONVECTION IS NOTED FROM 13N TO 17N BETWEEN 110W AND 118W. THIS 
CONVECTIVE ACTIVITY IS ASSOCIATED WITH A BROAD AREA OF LOW 
PRESSURE LOCATED SEVERAL HUNDRED MILES SOUTHWEST OF THE 
SOUTHWESTERN COAST OF MEXICO.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.