000
FZPN03 KNHC 212200
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 21 2019

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1800 UTC THU AUG 22.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 23.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM IVO NEAR 15.8N 109.5W 1004 MB AT 2100 UTC AUG 21
MOVING WNW OR 285 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE. SEAS 8 TO 11 FT. ELSEWHERE 330 NM NE SEMICIRCLE WINDS
20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM IVO NEAR 17.2N 113.8W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM OF CENTER EXCEPT 50 NM NW QUADRANT. SEAS 12 FT OR 
GREATER 180 NM E SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN
270 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE...WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA 410 NM E SEMICIRCLE AND 90 NM
W SEMICIRCLE...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.36 HOUR FORECAST HURRICANE IVO NEAR 18.2N 115.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 70 
NM NE QUADRANT...80 NM S SEMICIRCLE...AND 50 NM NW SEMICIRCLE. 
SEAS 12 FT OR GREATER 240 NM E SEMICIRCLE WITH SEAS TO 20 FT.
ELSEWHERE WITHIN 180 NM E SEMICIRCLE AND 90 NM W 
SEMICIRCLE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA WITHIN 480 NM WINDS 20 KT OR LESS. SEAS 8 TO 10 FT.
.48 HOUR FORECAST HURRICANE IVO NEAR 19.5N 116.4W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM OF CENTER EXCEPT 50 NM NW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 240 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE WITH 
SEAS TO 22 FT. ELSEWHERE WITHIN 180 NM E SEMICIRCLE AND 120 W
SEMICIRCLE...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA 600 NM SE SEMICIRCLE AND 210 NM NW SEMICIRCLE...WINDS 20 KT
OR LESS. SEAS 8 TO 11 FT.
.72 HOUR FORECAST TROPICAL STORM IVO NEAR 22.5N 117.9W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM IVO NEAR 25.8N 119.9W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. 
.120 HOUR FORECAST POST-TROPICAL IVO NEAR 28.8N 121.9W. 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.

.FROM 06N TO 10N BETWEEN 100W AND 115W SW TO W WINDS 20 TO 25 
KT. SEAS TO 9 FT.  
.24 HOUR FORECAST FROM 07N TO 13N BETWEEN 105W AND 115W SW TO W 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN SW SWELL. FROM 08N TO 12N 
BETWEEN 115W AND 125W SW TO W WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FROM 10N TO 15N BETWEEN 110W AND 120W SW WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT IN SW SWELL. 

.FROM 14N TO 17N W OF 133W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
MIXED SWELL. FROM 12N TO 18N BETWEEN 120W AND 125W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.24 HOUR FORECAST FROM 13N TO 15N W OF 128W AND 131W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 28N E OF 120W NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST N OF 29N BETWEEN 120W AND 123W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED NW AND N SWELL.
.36 HOUR FORECAST N OF 28N BETWEEN 120W AND 123.5W WINDS 20 KT 
OR LESS. SEAS TO 8 FT IN MIXED NW AND N SWELL.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF CALIFORNIA N OF 30N SE TO S WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. 
.36 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 1800 UTC WED AUG 21...

.T.S. IVO...NUMEROUS MODERATE TO STRONG WITHIN 150 NM W 
SEMICIRCLE OF CENTER. NUMEROUS MODERATE ISOLATED STRONG ELSEWHERE
FROM 13N TO 18N BETWEEN 105W AND 110W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 08N80W TO 12N95W TO 16N105W, THEN FROM 13N110W TO
16N123W TO 1014 MB LOW NEAR 15N129W TO BEYOND 13N140W. SCATTERED
MODERATE ISOLATED N OF 05N BETWEEN 80W AND 94W AND FROM 08N AND 
13N BETWEEN 99W AND 103W.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.