602 
FZPN03 KNHC 060916
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC MON AUG 06 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON AUG 06.
24 HOUR FORECAST VALID 0600 UTC TUE AUG 07.
48 HOUR FORECAST VALID 0600 UTC WED AUG 08.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HECTOR NEAR 14.9N 140.6W 947 MB AT 0900 UTC AUG 06 
MOVING W OR 280 DEG AT 13 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 90 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 05N TO 22N W OF 134W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE HECTOR W OF AREA NEAR 15.8N 145.4W. 
MAXIMUM SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM 
FORCE WINDS AND 12 FT SEAS W OF AREA. OVER FORECAST WATERS FROM 
13N TO 21N W OF 138W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN 
MIXED SWELL. 
.48 HOUR FORECAST HURRICANE HECTOR WELL WEST OF AREA NEAR 16.7N 
151.7W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. OVER 
FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

...HURRICANE WARNING...
.TROPICAL STORM JOHN NEAR 15.1N 107.3W 999 MB AT 0900 UTC AUG 06 
MOVING WNW OR 300 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE 
QUADRANTS...60 NM NE QUADRANT AND 20 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 60 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH 
SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 11N TO 18N BETWEEN 
102W AND 109W WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.12 HOUR FORECAST HURRICANE JOHN NEAR 15.6N 108.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE JOHN NEAR 16.3N 109.0W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NW AND SE QUADRANTS...90 NM NE QUADRANT AND 50 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE 
AND 90 NM W SEMICIRCLE WITH SEAS TO 23 FT. ELSEWHERE WITHIN 150 
NM OF CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER OF 
AREA FROM 11N TO 20N BETWEEN 101W AND 112W...EXCEPT AS NOTED 
WITH HURRICANE ILEANA...WINDS 20 KT OR LESS. SEAS TO 11 FT IN 
MIXED SWELL. 
.48 HOUR FORECAST HURRICANE JOHN NEAR 18.8N 111.7W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE 
AND 120 NM W SEMICIRCLE WITH SEAS TO 35 FT. ELSEWHERE WITHIN 210 
NM N SEMICIRCLE AND 150 NM S SEMICIRCLE...EXCEPT AS NOTED WITH 
TROPICAL STORM ILEANA...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA FROM 11N TO 25N BETWEEN 104W AND 118W WINDS 20 
KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE JOHN NEAR 21.8N 115.3W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE JOHN NEAR 21.8N 115.3W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM JOHN NEAR 21.8N 115.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

...HURRICANE WARNING...
.TROPICAL STORM ILEANA NEAR 15.2N 100.3W 998 MB AT 0900 UTC AUG 
06 MOVING NW OR 310 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NE 
QUADRANT...30 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 30 NM N SEMICIRCLE AND 0 
NM S SEMICIRCLE WITH SEAS TO 17 FT. ELSEWHERE WITHIN 90 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA 
FROM 11N TO 16.5N BETWEEN 97W AND 102W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE ILEANA NEAR 18.5N 105.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
90 NM OF CENTER WITH SEAS TO 19 FT. ELSEWHERE WITHIN 120 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. 
.48 HOUR FORECAST TROPICAL STORM ILEANA NEAR 21.6N 110.2W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE...50 NM SE QUADRANT AND 20 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE AND 
90 NM W SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE CONDITIONS 
MERGED WITH HURRICANE JOHN. 
.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 1005 MB. WITHIN 180 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 
15N124W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
9 TO 12 FT. ELSEWHERE FROM 11N TO 20N BETWEEN 117W AND 127W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N127W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
9 TO 12 FT. ELSEWHERE FROM 11N TO 20N BETWEEN 121W AND 131W 
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.

.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.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 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 TO 9 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 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 TO 9 FT.

.36 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 26N 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 0900 UTC MON AUG 06...

.HURRICANE HECTOR...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER. SCATTERED MODERATE ELSEWHERE FROM 08N TO 16N W OF 136W. 

.TROPICAL STORM ILEANA...NUMEROUS MODERATE TO STRONG WITHIN 90 
NM OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 
11N TO 17N BETWEEN 97W AND 102W. 

.TROPICAL STORM JOHN...NUMEROUS MODERATE TO STRONG WITHIN 120 NM 
OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 11N 
TO 19N BETWEEN 103W AND 111W. 

.LOW PRES 14N122W...NUMEROUS MODERATE ISOLATED STRONG 
FROM 11N TO 16N BETWEEN 117W AND 122W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N78W TO 09N85W TO 10N95W...THEN RESUMES 
NEAR 14N120W TO 14N133W. NUMEROUS MODERATE TO STRONG WITHIN 150 
NM OF MONSOON TROUGH AXIS BETWEEN 122W AND 127W. SCATTERED 
MODERATE FROM 10N TO 13N BETWEEN 128W AND 131W.  

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.