000
FZPN03 KNHC 311604
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU AUG 31 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1200 UTC THU AUG 31.
24 HOUR FORECAST VALID 1200 UTC FRI SEP  1.
48 HOUR FORECAST VALID 1200 UTC SAT SEP  2.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM LIDIA NEAR 22.3N 109.7W 994 MB AT 1500 UTC AUG
31 MOVING NNW OR 340 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM W
SEMICIRCLE...140 NM NE QUADRANT AND 120 NM SE QUADRANT.  SEAS 12
FT OR GREATER WITHIN 30 NM W SEMICIRCLE...180 NM NE QUADRANT AND
270 NM SE QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN AREA 
BOUNDED BY 25N115W TO 25N104W TO 14N104W TO 14N115W TO 
25N115W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LIDIA INLAND NEAR 24.6N 111.1W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 150 NM NE QUADRANT...130 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER
FORECAST WATERS WITHIN 90 NM OF THE CENTER WITH SEAS TO 17 FT.
ELSEWHERE WITHIN AREA BOUNDED BY 28N116W TO 28N105W TO
17N105W TO 17N116W TO 28N116W WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM LIDIA INLAND NEAR 27.6N 113.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS LESS THAN 12 FT. ELSEWHERE
WITHIN AREA BOUNDED BY 31N115W TO 31N110W TO 23N110W TO 23N115W 
TO 31N115W WINDS 20 TO 33 KT. SEAS 8 TO 9 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW LIDIA NEAR 30.0N 
117.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW LIDIA NEAR 30.5N 
119.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW LIDIA NEAR 30.5N 
122.0W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 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.

.WITHIN AREA BOUNDED BY 15N124W TO 15N105W TO 10N105W TO 10N124W
TO 15N124W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 17N137W TO 17N109W TO
08N109W TO 08N137W TO 17N137W WINDS 20 KT OR LESS. SEAS 8 FT IN
SW SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 15N139W TO 
15N120W TO 08N120W TO 08N139W TO 15N139W WINDS 20 KT OR LESS. 
SEAS 8 FT IN SW SWELL.

.WITHIN AREA BOUNDED BY 05N131W TO 05N110W TO 03S110W TO 03S131W
TO 05N131W TO 05N131W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SE
AND SW SWELL. 
.24 HOUR FORECAST WITHIN AREA BOUNDED BY 07N130W TO 07N109W TO 
03S109W TO 03S130W TO 07N130W TO 07N130W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SE AND SW SWELL. 
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 06N130W TO 06N117W TO 
03S117W TO 03S130W TO 06N130W TO 06N130W WINDS 20 KT OR LESS. 
SEAS 8 FT IN MIXED SE AND SW SWELL.

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

CONVECTION VALID AT 1500 UTC THU AUG 31...

.TROPICAL STORM LIDIA...NUMEROUS MODERATE AND ISOLATED STRONG 
WITHIN 120 NM OF THE CENTER.

.SCATTERED MODERATE WITHIN 120 NM OF LOW PRES NEAR 12N134W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM FROM 09N84W TO 16N105W, THEN 
RESUMES FROM 16N120W TO 14N121W TO LOW PRESSURE NEAR 12N134W TO 
10N140W. SCATTERED MODERATE AND ISOLATED STRONG WITHIN 120 NM OF
THE LOW PRES NEAR 12N134W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.