760 
FZPN03 KNHC 041509
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1630 UTC SAT AUG 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 04.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 05.
48 HOUR FORECAST VALID 1200 UTC MON AUG 06.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HECTOR NEAR 14.2N 132.7W 962 MB AT 1500 UTC AUG 04  
MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE 
QUADRANTS...70 NM NE AND 50 NM SW QUADRANTS. WINDS 20 TO 33 KT 
AND SEAS 12 FT OR GREATER WITHIN 120 NM W SEMICIRCLE...150 NM NE 
AND 90 NM SE QUADRANTS WITH SEAS TO 36 FT. ELSEWHERE WITHIN 330 
NM N AND 240 NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT PRIMARILY IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE HECTOR NEAR 14.4N 136.4W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM N SEMICIRCLE...60 NM SE AND 50 NM SW QUADRANTS.
WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 150 NM 
OF CENTER WITH SEAS TO 39 FT. ELSEWHERE WITHIN 420 NM N AND 330
NM S SEMICIRCLES OF CENTER WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE HECTOR NEAR 15.1N 141.4W. MAXIMUM
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM N SEMICIRCLE...70 NM SE AND 60 NM SW QUADRANTS. 
WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 150 NM 
OF CENTER WITH SEAS TO 37 FT. ELSEWHERE FORECAST WATERS FROM 
05N TO 22N W OF 136W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT 
PRIMARILY IN MIXED SWELL. 
.72 HOUR FORECAST HURRICANE HECTOR NEAR 16.1N 147.2W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HECTOR NEAR 16.6N 153.1W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE HECTOR NEAR 17.0N 158.5W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.

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 12.5N101.5W 1008 MB. FROM 06N TO 11N BETWEEN 94W AND 
105W SW WINDS 20 TO 25 KT. SEAS TO 9 FT WITH SW SWELL.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12N101.5W 1007 MB. WITHIN 120 NM E SEMICIRCLE SE TO S WINDS 20 
TO 25 KT. SEAS 10 FT. ELSEWHERE WITHIN 420 NM E AND 120 NM W 
SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS TO 9 FT WITH SW 
SWELL.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N102.5W 1006 MB. WITHIN 300 NM E AND 150 NM W SEMICIRCLES OF 
CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT.
.42 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N104.5W 1005 MB. WITHIN 120 NM NE SEMICIRCLE WINDS 30 TO 35 
KT. SEAS 11 TO 16 FT. ELSEWHERE WITHIN 290 NM E AND 240 NM W 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14.5N105W 1003 MB. WITHIN 120 NM NE SEMICIRCLE WINDS 30 TO 35 
KT. SEAS 11 TO 17 FT. ELSEWHERE WITHIN 290 NM OF CENTER WINDS 20 
TO 33 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.LOW PRES 12N116W 1007 MB. WITHIN 330 NM SE SEMICIRCLE SW WINDS
20 TO 25 KT. SEAS TO 9 FT. POSSIBLE TROPICAL CYCLONE FORMATION.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N119W 1006 MB. WITHIN 330 NM E SEMICIRCLE S TO SW WINDS 20
TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N121.5W 1005 MB. WITHIN 300 NM E AND 240 NM W SEMICIRCLES 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.WITHIN 15 NM OF LINE FROM 16N95W TO 14N97W...INCLUDING THE
GULF OF TEHUANTEPEC...NE TO E 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 LITTLE CHANGE. 
.42 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.S OF 01S BETWEEN 96W AND 111W WINDS 20 KT OR LESS. SEAS TO 8
FT IN MIXED S AND SW SWELL.
.24 HOUR FORECAST S OF 02S BETWEEN 100W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED S AND SW SWELL.
.48 HOUR FORECAST S OF 01S BETWEEN 105W AND 120W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED S AND SW SWELL.

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

CONVECTION VALID AT 1500 UTC SAT AUG 04...

.HURRICANE HECTOR...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF 
CENTER.  

LOW PRES 12.5N101.5W...SCATTERED MODERATE ISOLATED STRONG WITHIN
210 NM OF LOW CENTER. 

LOW PRES 12N116W...SCATTERED MODERATE ISOLATED STRONG WITHIN 180
NM OF LINE FROM 16.5N116.5W TO 10N119W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N76W TO 10N86W THROUGH LOW PRES 12N95W TO
LOW PRES 12.5N101.5 TO LOW PRES 12N116W TO 14.5N124W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM OF 06N82W...
ELSEWHERE WITHIN 240 NM OF LINE FROM 12N89W TO 15N110W TO 13N121W
AND WITHIN 90 NM OF LINE FROM 07N135W TO 09N140W.  

$$

.FORECASTER NELSON. NATIONAL HURRICANE CENTER.