000
FZPN03 KNHC 080417
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN AUG 8 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 8.
24 HOUR FORECAST VALID 0000 UTC MON AUG  9.
48 HOUR FORECAST VALID 0000 UTC TUE AUG 10.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM KEVIN NEAR 15.8N 107.7W 1003 MB AT 0300 UTC AUG
08 MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE
QUADRANT...30 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW
QUADRANT. ELSEWHERE WITHIN 16N107W TO 16N108W TO 17N107W TO 17N106W 
TO 16N107W WINDS 20 TO 33 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM KEVIN NEAR 15.7N 110.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 50 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
WINDS WITH SEAS TO 20 FT. ELSEWHERE WITHIN 15N109W TO 15N111W TO 
16N111W TO 17N111W TO 16N109W TO 15N109W WINDS 20 TO 33 KT. SEAS 
10 TO 12 FT. REMAINDER OF AREA WITHIN 15N110W TO 15N111W TO 
17N111W TO 17N110W TO 17N109W TO 15N110W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL. WITHIN 11N106W TO 11N108W TO 
12N108W TO 13N105W TO 11N106W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 
FT.
.36 HOUR FORECAST HURRICANE KEVIN NEAR 16.1N 111.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE KEVIN NEAR 16.9N 112.3W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
140 NM N SEMICIRCLE...AND 80 NM S SEMICIRCLE WITH SEAS TO 30 FT. 
ELSEWHERE WITHIN 16N110W TO 16N113W TO 18N114W TO 19N111W TO 
18N110W TO 16N110W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 11N105W TO 09N111W TO 11N117W TO 20N113W TO 
19N105W TO 11N105W...INCLUDING NEAR CABO CORRIENTES...WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE KEVIN NEAR 18.6N 115.2W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM KEVIN NEAR 20.5N 118.7W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM KEVIN NEAR 22.2N 123.1W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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.

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

CONVECTION VALID AT 0300 UTC SUN AUG 8...

.TROPICAL STORM KEVIN...NUMEROUS MODERATE TO ISOLATED STRONG FROM 
09N TO 21N BETWEEN 103W AND 118W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N83W TO 14N100W...THEN RESUMES W OF TS 
KEVIN NEAR 14N116W TO 10N124W. ITCZ FROM 09N128W TO 08N140W. 
SCATTERED MODERATE FROM 05N TO 20N AND EAST OF 119W...AND FROM 05N TO 
10N BETWEEN 128W AND 140W. 

$$ 
.FORECASTER ERA. NATIONAL HURRICANE CENTER.