000
FZPN03 KNHC 181800
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL 
1800 UTC WED SEP 18 2013
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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. 

SYNOPSIS VALID 1800 UTC WED SEP 18.
24 HOUR FORECAST VALID 1200 UTC THU SEP 19.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM MANUEL SPECIAL NEAR 23.6N 107.9W 992 MB AT 1800
UTC SEP 18 MOVING NNW OR 330 DEG AT 4 KT. MAXIMUM SUSTAINED
WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 40 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.  OVER FORECAST WATERS WITHIN 60 
NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM SPECIAL NEAR 24.6N 108.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM E SEMICIRCLE...20 NM SW QUADRANT AND 30 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 14 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 60 NM NE SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
OVER FORECAST WATERS WITHIN 45 NM SW SEMICIRCLE WINDS 20 TO 33 
KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROPICAL STORM SPECIAL NEAR 25.2N 108.9W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST TROPICAL STORM SPECIAL NEAR 24.9N 109.5W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW SPECIAL NEAR 24.0N
110.8W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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. 

.N OF 29N BETWEEN 117W AND 122W WINDS 20 KT OR LESS. SEAS 8 FT 
IN NW SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 119W AND 124 WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID 1500 UTC WED SEP 18...

.TROPICAL STORM MANUEL...SCATTERED MODERATE TO STRONG WITHIN 110 
NM OF COAST OF MEXICO FROM 22N TO 25N.

.SCATTERED MODERATE TO STRONG FROM 12N TO 16N BETWEEN 93W AND 
99W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 15N105W TO 11N125W TO 10N135W. ITCZ 10N135W 
TO 08N140W. NO SIGNIFICANT CONVECTION. 

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.