547 
FZPN03 KNHC 051611
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SUN AUG 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN AUG 05.
24 HOUR FORECAST VALID 1200 UTC MON AUG 06.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 07.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HECTOR NEAR 14.4N 136.9W 957 MB AT 1500 UTC AUG 05 
MOVING W OR 275 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 110 KT 
GUSTS 135 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 150 NM S 
SEMICIRCLE...180 NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS 
TO 36 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. 
SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 08N TO 21N W OF 132W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE HECTOR W OF AREA NEAR 15.1N 141.2W. 
MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
ELSEWHERE OVER FORECAST WATERS WITHIN 180 NM NE SEMICIRCLE AND 
120 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA W OF LINE FROM 21N140W TO 17N135W TO 07N140W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE HECTOR NEAR 16.3N 147.1W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
AND SEAS 12 FT OR GREATER W OF AREA. OVER FORECAST WATERS WINDS 
20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST HURRICANE HECTOR NEAR 16.8N 153.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HECTOR NEAR 17.2N 158.8W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE HECTOR NEAR 17.8N 164.2W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. 

...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION ELEVEN-E NEAR 13.5N 97.3W 1006 MB AT 1500 
UTC AUG 05 MOVING WNW OR 290 DEG AT 10 KT. MAXIMUM SUSTAINED 
WINDS 30 KT GUSTS 40 KT. WITHIN 90 NM OF CENTER WINDS 20 TO 30 
KT. SEAS TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM ELEVEN-E NEAR 15.3N 100.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 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 ELSEWHERE WITHIN 60 NM N 
SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE WITHIN 90 NM E AND 60 
NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST TROPICAL STORM ELEVEN-E NEAR 18.3N 106.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
ELSEWHERE WITHIN 90 E AND 60 NM W SEMICIRCLES WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM ELEVEN-E NEAR 20.5N 112.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 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.

...GALE WARNING...
.LOW PRES NEAR 13N105W 1007 MB. WITHIN 120 NM OF CENTER WINDS 20 
TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 10N TO 15N BETWEEN 100W 
AND 105W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL. POSSIBLE 
TROPICAL CYCLONE FORMATION.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N106W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
TO 11 FT. ELSEWHERE WITHIN 360 NM SE SEMICIRCLE AND 210 NM NE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS 9 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15.5N106.5W 1004 MB. WITHIN 45 NM NW SEMICIRCLE WINDS 30 TO 35 
KT. SEAS 11 TO 13 FT. ELSEWHERE WITHIN 180 NM SE AND 120 NM NW 
SEMICIRCLES WINDS 20 TO 30 KT. SEAS TO 11 FT. REMAINDER OF AREA 
FROM 11N TO 18N BETWEEN 100W AND 108W WINDS 20 KT OR LESS. SEAS 
9 TO 10 FT IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N108W 1002 MB. WITHIN 90 NM OF CENTER WINDS 30 TO 45 KT. SEAS 
11 TO 16 FT. ELSEWHERE WITHIN 180 NM OF CENTER...EXCEPT AS NOTED 
WITH TROPICAL STORM ELEVEN-E...WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. REMAINDER OF AREA FROM 11N TO 21N BETWEEN 101W AND 
111W...EXCEPT AS NOTED WITH TROPICAL STORM ELEVEN-E...WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. 

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 12N119W 1007 MB. WITHIN 270 NM SE SEMICIRCLE S TO 
SW WINDS 20 TO 25 KT. SEAS TO 11 FT. ELSEWHERE FROM 09N TO 16N 
BETWEEN 110W AND 119W WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW 
SWELL. POSSIBLE TROPICAL CYCLONE FORMATION.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N122W 1006 MB. WITHIN 120 NM E QUADRANT AND 210 NM SE 
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 11 FT. ELSEWHERE FROM 10N 
TO 18N BETWEEN 116W AND 123W WINDS 20 KT OR LESS. SEAS TO 10 FT 
IN MIXED SWELL. 
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N125W 1005 MB. WITHIN 150 NM OF CENTER WINDS 20 TO 30 KT. SEAS 
8 TO 12 FT. ELSEWHERE FROM 11N TO 20N BETWEEN 121W AND 128W 
WINDS 20 KT OR LESS. SEAS TO 10 FT IN MIXED SWELL. 

.S OF 02S BETWEEN 103W AND 112W WINDS 20 KT OR LESS. SEAS 8 FT 
IN MIXED SE AND SW SWELL.
.24 HOUR FORECAST S OF 01S AND W OF 105W WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN MIXED SE AND SW SWELL.
.48 HOUR FORECAST S OF 02S AND W OF 107W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SE AND SW SWELL.

.WITHIN 30 NM OF LINE FROM 11N86W TO 10.5N87.5W...INCLUDING THE 
GULF OF PAPAGAYO...NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.12 HOUR FORECAST FROM 13N TO 15N BETWEEN 96W AND 98W WINDS 20 
KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.18 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 
14.5N95.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 
20 TO 25 KT. SEAS 8 TO 9 FT.

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

CONVECTION VALID AT 1545 UTC SUN AUG 05...

.HURRICANE HECTOR...NUMEROUS MODERATE ISOLATED STRONG WITHIN 30 
NM OF CENTER. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE 
WITHIN 90 NM OF CENTER.

.TROPICAL DEPRESSION 11-E...NUMEROUS MODERATE ISOLATED STRONG SW 
SEMICIRCLE WITHIN 90 NM. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE WITHIN 210 NM OF CENTER.

.LOW PRES 13N105W...SCATTERED MODERATE ISOLATED STRONG FROM 11N 
TO 18N BETWEEN 101W AND 109W. 

.LOW PRES 12N119W...NUMEROUS MODERATE SCATTERED STRONG 
WITHIN 90 NM OF 14N116W. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE FROM 10N TO 17N BETWEEN 111W AND 125W.

.TROPICAL WAVE FROM 07N76W TO 20N76W...SCATTERED MODERATE 
ISOLATED STRONG N OF 03N E OF 79W.

.SCATTERED MODERATE ISOLATED STRONG FROM 18N TO 21N BETWEEN 105W 
AND 109W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N78W TO 09N88W TO 12N92W...THEN RESUMES 
FROM 13N101W TO LOW PRES 1007 MB NEAR 13N105W TO 14N112W TO LOW 
PRES 1007 MB NEAR 12N119W TO 15N127W. NO SIGNIFICANT CONVECTION.

$$
.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.