558 
FZPN03 KNHC 012105
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 01 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC WED AUG 01.
24 HOUR FORECAST VALID 1800 UTC THU AUG 02.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 03.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM HECTOR NEAR 13.8N 121.2W 1002 MB AT 2100 UTC AUG 
01 MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER 
EXCEPT 20 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 15 NM S 
SEMICIRCLE...45 NM NE AND 30 NM NW QUADRANTS WITH SEAS TO 16 FT.
ELSEWHERE WITHIN 120 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 
11 FT. REMAINDER WATERS WITHIN 330 NM SE AND 150 NM NW 
SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM HECTOR NEAR 14.4N 125.1W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE AND 30 NM SW 
QUADRANTS. SEAS 12 FT OR GREATER WITHIN 90 NM OF THE CENTER WITH 
SEAS TO 21 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT. REMAINDER WATERS WITHIN 300 NM SE AND 180 
NM NW SEMICIRCLES WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST HURRICANE HECTOR NEAR 14.5N 129.7W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE AND 40 NM SW 
QUADRANTS. WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER 120 NM OF 
CENTER WITH SEAS TO 25 FT. ELSEWHERE WITHIN 240 NM OF CENTER 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE HECTOR NEAR 14.1N 134.6W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE HECTOR NEAR 14.1N 134.6W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE HECTOR NEAR 14.1N 134.6W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.

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.

.09 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11.5N86W TO 
11.5N88.5W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT. 
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WITHIN 60 NM OF LINE FROM 11.5N86W TO 
11.5N88.5W...INCLUDING THE GULF OF PAPAGAYO...E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.  
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.24 HOUR FORECAST NEW LOW PRES NEAR 09N102W 1009 MB. WITHIN 300 
NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT. 
.48 HOUR FORECAST LOW PRES NEAR 11N104W 1008 MB. FROM 05N TO 09N 
BETWEEN 97W AND 110W WINDS 20 KT OR LEES. SEAS TO 9 FT.
  
.30 HOUR FORECAST S OF 02S BETWEEN 91W AND 115W WINDS 20 KT OR 
LESS. SEAS TO 8 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST S OF 02S BETWEEN 92W AND 112W WINDS 20 KT OR 
LESS. SEAS TO 9 FT PRIMARILY IN SW SWELL. 

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

CONVECTION VALID AT 2100 UTC WED AUG 1...

.TROPICAL STORM HECTOR...SCATTERED STRONG WITHIN 180 NM SE AND 
150 NM NW SEMICIRCLES.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N79W TO 09N84W TO 08N90W TO 15N110W... 
RESUMES FROM 13N124W TO 08N140W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 90 NM OF 05N83W...FROM 05N TO 18N BETWEEN 90W AND 
113W...WITHIN 150 NM OF LINE FROM 10N122W TO 11N134W TO 13N140W
AND W OF 137W WITHIN 30 NM OF MONSOON TROUGH.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.