420 
FZPN03 KNHC 070950
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1030 UTC TUE AUG 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE AUG 07.
24 HOUR FORECAST VALID 0600 UTC WED AUG 08.
48 HOUR FORECAST VALID 0600 UTC THU AUG 09.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE JOHN NEAR 17.3N 109.1W 977 MB AT 0900 UTC AUG 07 
MOVING NW OR 320 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT 
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM E 
SEMICIRCLE...60 NM SW QUADRANT AND 80 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 120 NM W SEMICIRCLE...180 NM NE QUADRANT AND 
150 NM SE QUADRANT WITH SEAS TO 30 FT. ELSEWHERE WITHIN 150 NM N 
SEMICIRCLE AND 210 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 9 TO 
12 FT. REMAINDER OF AREA FROM 11N TO 21N BETWEEN 102W AND 
114W...EXCEPT AS NOTED WITH TROPICAL STORM ILEANA...WINDS 20 KT 
OR LESS. SEAS TO 11 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE JOHN NEAR 19.7N 111.2W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E SEMICIRCLE...80 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM E SEMICIRCLE AND 
NW QUADRANT AND 180 NM SW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE 
WITHIN 300 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA FROM 11N TO 24N BETWEEN 103W AND 
118W...INCLUDING GULF OF CALIFORNIA S OF 25N...WINDS 20 KT OR 
LESS. SEAS 8 TO 13 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE JOHN NEAR 22.9N 114.9W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 330 NM NE SEMICIRCLE AND 210 NM SW SEMICIRCLE 
WITH SEAS TO 32 FT. ELSEWHERE WITHIN 360 NM NE SEMICIRCLE AND 
240 NM SW SEMICIRCLE...INCLUDING GULF OF CALIFORNIA S OF 
26N...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 
16N TO 30N E OF 126W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM JOHN NEAR 25.8N 119.3W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL JOHN NEAR 27.2N 123.1W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 27.0N 
126.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

...HURRICANE WARNING...
.TROPICAL STORM KRISTY NEAR 14.3N 125.1W 1000 MB AT 0900 UTC AUG 
07 MOVING W OR 265 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM E 
SEMICIRCLE AND 20 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH SEAS TO 13 FT. 
ELSEWHERE WITHIN 150 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 11N 
TO 19N BETWEEN 118W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM KRISTY NEAR 14.5N 128.2W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 
20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER 
WITH SEAS TO 15 FT. ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 
33 KT. SEAS 9 TO 12 FT. REMAINDER OF AREA FROM 11N TO 19N 
BETWEEN 122W AND 130W WINDS 20 KT OR LESS. SEAS TO 10 FT IN 
MIXED SWELL. 
.48 HOUR FORECAST HURRICANE KRISTY NEAR 15.6N 130.2W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 30 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER WITH 
SEAS TO 18 FT. ELSEWHERE WITHIN 90 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 240 NM OF CENTER 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE KRISTY NEAR 17.5N 130.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM KRISTY NEAR 17.5N 130.5W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM KRISTY NEAR 17.5N 130.5W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM ILEANA NEAR 19.4N 106.9W 1002 MB AT 0900 UTC AUG 
07 MOVING WNW OR 295 DEG AT 20 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM NW AND SE 
QUADRANTS...50 NM NE QUADRANT AND 0 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH 
SEAS TO 13 FT.
.12 HOUR FORECAST TROPICAL STORM ILEANA NEAR 20.6N 109.6W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.24 HOUR FORECAST...DISSIPATED. CONDITIONS MERGED WITH HURRICANE 
JOHN. 

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.

.HURRICANE HECTOR W OF AREA. FROM 13N TO 21N W OF 138W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.  
.12 HOUR FORECAST CONDITIONS W OF AREA. WINDS 20 KT OR LESS. 
SEAS LESS THAN 8 FT. 

.WITHIN 30 NM OF LINE FROM 16N95W TO 14N95W... 
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT. SEAS TO 
9 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.

.S OF LINE FROM 03.4S105W TO 06N117W TO 06N120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SE AND SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.WITHIN 15 NM OF LINE FROM 11N86W TO 10N88.5W...INCLUDING THE 
GULF OF PAPAGAYAO...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST WITHIN 15 NM OF LINE FROM 11.5N86W TO 
11.5N88.5W...INCLUDING THE GULF OF PAPAGAYAO...E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA FROM 29N TO 31N S WINDS 20 TO 25 KT. SEAS 
LESS THAN 8 FT. 
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA N OF 29N SE TO S WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. S OF 25N WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN S SWELL. SEE CONDITIONS ASSOCIATED WITH 
HURRICANE JOHN.
.36 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE JOHN.

.18 HOUR FORECAST N OF 29N BETWEEN 120W AND 124W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL. 
.24 HOUR FORECAST N OF 26N BETWEEN 120W AND 124W WINDS 20 KT OR 
LESS. SEAS 8 FT IN N SWELL
.42 HOUR FORECAST CONDITIONS MERGED WITH HURRICANE JOHN.

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

CONVECTION VALID AT 0900 UTC TUE AUG 07...

.HURRICANE JOHN...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 12N TO 
20N BETWEEN 104W AND 115W. 

.TROPICAL STORM ILEANA...NUMEROUS MODERATE TO STRONG FROM 19N TO 
23N BETWEEN 104W AND 108W. 

.TROPICAL STORM KRISTY...NUMEROUS MODERATE ISOLATED 
STRONG FROM 12N TO 16N BETWEEN 123W AND 128W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N77W TO 07N88W TO 07N95W TO 12N102W. ITCZ 
FROM 14N127W TO 12N132W TO 14N138W. SCATTERED MODERATE ISOLATED 
STRONG FROM 07N TO 15N E OF 100W. SCATTERED MODERATE WITHIN 90 
NM OF A LINE FROM 15N139W TO 08N130W.

$$
.FORECASTER LATTO. NATIONAL HURRICANE CENTER.