447 
FZPN03 KNHC 060402 CCA
HSFEP2

HIGH SEAS FORECAST...CORRECTED
NWS NATIONAL HURRICANE CENTER MIAMI FL 
0430 UTC MON AUG 06 2018

CORRECTED CONVECTION SECTION FOR T.S. ILEANA

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0000 UTC MON AUG 06.
24 HOUR FORECAST VALID 0000 UTC TUE AUG 07.
48 HOUR FORECAST VALID 0000 UTC WED AUG 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HECTOR NEAR 14.7N 139.2W 947 MB AT 0300 UTC AUG 06 
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 120 KT 
GUSTS 145 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE AND 
150 NM S SEMICIRCLE WITH SEAS TO 42 FT. ELSEWHERE WITHIN 180 NM 
OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA 
FROM 06N TO 22N W OF 133W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE HECTOR W OF AREA NEAR 15.8N 144.1W. 
MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM 
FORCE WINDS AND 12 FT SEAS W OF AREA. OVER FORECAST WATERS FROM 
08N TO 22N W OF 137W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL. 
.48 HOUR FORECAST HURRICANE HECTOR NEAR 16.6N 150.3W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
AND 12 FT SEAS W OF AREA. OVER FORECAST WATERS WINDS 20 KT OR 
LESS. SEAS LESS THAN 8 FT. 
.72 HOUR FORECAST HURRICANE HECTOR NEAR 17.0N 156.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HECTOR NEAR 17.0N 162.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE HECTOR NEAR 17.5N 168.0W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.

...HURRICANE WARNING...
.TROPICAL STORM JOHN NEAR 14.9N 106.2W 1004 MB AT 0300 UTC AUG 
06 MOVING NW OR 315 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 40 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 40 NM NE QUADRANT WITH SEAS TO 12 FT. ELSEWHERE 
FROM 10N TO 14N BETWEEN 100W AND 108W AND WITHIN 150 NM N 
SEMICIRCLE WINDS 20 TO 33 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST TROPICAL STORM JOHN NEAR 16.3N 107.9W. MAXIMUM 
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE 
AND 90 NM W SEMICIRCLE WITH SEAS TO 20 FT. ELSEWHERE WITHIN 180 
NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER 
OF AREA FROM 11N TO 19N BETWEEN 100W AND 111W...EXCEPT AS NOTED 
WITH TROPICAL STORM ILEANA...WINDS 20 KT OR LESS. SEAS 8 TO 12 
FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE JOHN NEAR 18.5N 110.3W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 60 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER WITH 
SEAS TO 30 FT. ELSEWHERE WITHIN 270 NM N SEMICIRCLE...EXCEPT AS 
NOTED WITH TROPICAL STORM ILEANA...WINDS 20 TO 33 KT. SEAS 8 TO 
12 FT. REMAINDER OF AREA FROM 10N TO 24N BETWEEN 105W AND 117W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE JOHN NEAR 21.5N 113.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE JOHN NEAR 24.0N 118.0W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM JOHN NEAR 26.0N 122.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

...TROPICAL STORM WARNING...

.TROPICAL STORM ILEANA NEAR 14.3N 99.3W 1001 MB AT 0300 UTC AUG 
06 MOVING WNW OR 290 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM NW AND SE 
QUADRANTS...50 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH 
SEAS TO 16 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM ILEANA NEAR 17.2N 103.8W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 
30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER 
WITH SEAS TO 20 FT. ELSEWHERE WITHIN 120 NM E SEMICIRCLE AND 150 
NM W SEMICIRCLE...EXCEPT AS NOTED WITH TROPICAL STORM 
JOHN...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM ILEANA NEAR 20.9N 108.6W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 
30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E 
SEMICIRCLE AND 30 NM W SEMICIRCLE...EXCEPT AS NOTED WITH 
TROPICAL STORM JOHN...WITH SEAS TO 20 FT. 
.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.

.LOW PRES NEAR 14N122W 1007 MB. WITHIN 150 NM SE SEMICIRCLE 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE WITHIN 360 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N123W 1006 MB. WITHIN 150 NM OF CENTER EXCEPT W QUADRANT WINDS 
20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE FROM 11N TO 19N BETWEEN 
117W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N126W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
9 TO 13 FT. ELSEWHERE FROM 11N TO 20N BETWEEN 121W AND 130W 
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 

.S OF 01S AND W OF 104W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED 
SE AND SW SWELL.
.24 HOUR FORECAST S OF 00S W OF 105W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 02S W OF 110W WINDS 20 KT OR LESS. SEAS 8 
FT IN MIXED SE AND SW SWELL.

.06 HOUR FORECAST N OF 15N BETWEEN 94.5W AND 95.5W...INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 
FT.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.  
.30 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 
TO 25 KT. SEAS 8 TO 9 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST N OF 28N BETWEEN 120W AND 123W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL. 
.48 HOUR FORECAST N OF 27N BETWEEN 119W AND 125W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL. 

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

CONVECTION VALID AT 0300 UTC MON AUG 06...

.HURRICANE HECTOR...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER. SCATTERED MODERATE ELSEWHERE FROM 08N TO 17N W OF 136W. 

.TROPICAL STORM JOHN...NUMEROUS MODERATE TO STRONG WITHIN 90 NM 
NW SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 
11N TO 19N BETWEEN 102W AND 111W. 

.LOW PRES 14N122W...NUMEROUS MODERATE SCATTERED STRONG 
FROM 12N TO 16N BETWEEN 116W AND 125W. SCATTERED MODERATE 
ELSEWHERE FROM 09N TO 18N BETWEEN 119W AND 130W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N80W TO 08N85W TO 12N93W. SCATTERED 
MODERATE ISOLATED STRONG N OF 13N BETWEEN 91W AND 95W. 

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.