000
FZPN03 KNHC 200943
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT AUG 20 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 20.
24 HOUR FORECAST VALID 0600 UTC SUN AUG 21.
48 HOUR FORECAST VALID 0600 UTC MON AUG 22.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM KAY NEAR 19.5N 113.0W 1000 MB AT 0900 UTC AUG 20
MOVING NW OR 310 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E
SEMICIRCLE...50 NM SW QUADRANT AND 40 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 90 NM OF CENTER EXCEPT 45 NM SW QUADRANT
WITH SEAS TO 16 FT. ELSEWHERE WITHIN 90 NM S SEMICIRCLE AND 120
NM N SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST TROPICAL STORM KAY NEAR 20.6N 114.4W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 30 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 17 FT. ELSEWHERE
WITHIN 120 NM OF CENTER E SEMICIRCLE AND 60 NM W
SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM KAY NEAR 21.7N 116.2W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 45 NM OF
CENTER WITH SEAS TO 14 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 22.5N 118.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.2N
121.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.5N
123.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 0830 UTC SAT AUG 20...

.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 120 NM S SEMICIRCLE
AND WITHIN 30 NM N SEMICIRCLE.

.SCATTERED MODERATE TO STRONG FROM 21N TO 23N BETWEEN 105W AND
106W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH ALONG 08N78W TO 10N85W, TO 1011 MB LOW PRESSURE
NEAR 10N104W, TO 08N107W. MONSOON TROUGH STARTS AGAIN FROM
16N119W, TO 13N128W, TO 13N132W, BEYOND 12N140W. NO SIGNIFICANT
CONVECTION. 

$$
.FORECASTER MT. NATIONAL HURRICANE CENTER.