000
FZPN03 KNHC 111503
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 OCT 11.
24 HOUR FORECAST VALID 1200 UTC FRI OCT 12.
48 HOUR FORECAST VALID 1200 UTC SAT OCT 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 22.2N 118.7W 992 MB AT 1500 UTC OCT 
11 MOVING NE OR 045 DEG AT 17 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER 
EXCEPT 120 NM SE QUADRANT. WINDS 20 TO 33 KT AND SEAS 12 FT OR 
GREATER WITHIN 180 NM E SEMICIRCLE...270 NM SW AND 210 NM NW 
QUADRANTS WITH SEAS TO 23 FT. ELSEWHERE WITHIN AREA BOUNDED BY 
28N120W TO 11N106W TO 08N125W TO 20N128W TO 28N120W WINDS 20 KT 
OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM SERGIO NEAR 27.0N 113.0W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM W SEMICIRCLE...100 NM NE AND 120 NM SE 
QUADRANTS. EPAC ELSEWHERE WITHIN 90 NM OF LINE FROM 23N112W TO 
29N117W 119W WINDS 20 TO 33 KT. SEAS 11 TO 17 FT. REMAINDER EPAC 
WITHIN WITHIN 330 NM OF LINE FROM 16N111W TO 30N120W WINDS 20 KT 
OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL. GULF OF 
CALIFORNIA ELSEWHERE FROM 25N TO 29N SE TO S WINDS 20 TO 33 KT. 
SEAS TO 11 FT. SCATTERED TSTMS IN BANDS WITHIN 240 NM OF CENTER. 
.36 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 29.5N 
109.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT NEAR CENTER.
GULF OF CALIFORNIA FROM 26N TO 29N WINDS 20 KT OR LESS. SEAS TO 
9 FT. EPAC WITHIN AREA BOUNDED BY 29N117W TO 22N106W TO 17N115W 
TO 29N117W WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED 
SWELL.
.48 HOUR FORECAST...DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT.

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 LINE FROM 11N106W TO 13N97W TO 03,4S110W 
TO 08N125W TO 11N106W WINDS 20 KT OR LESS. SEAS TO 9 FT 
PRIMARILY IN SW SWELL.
.24 HOUR FORECAST S OF 11N BETWEEN 80W AND 130W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY LINE FROM 15N96W TO 
07N79W TO 04N113W TO 15N96W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
SW SWELL.

.24 HOUR FORECAST LOW PRES 11N137W 1010 MB. WITHIN 150 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES 12.5N133W 1010 MB. WITHIN 60 NM SE 
SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 8 FT.  

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

CONVECTION VALID AT 1500 UTC THU OCT 11...

.TROPICAL STORM SERGIO...SCATTERED MODERATE TO ISOLATED STRONG 
WITHIN 210 NM NE AND 150 NM SW SEMICIRCLES OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS FROM 15N92W TO 15N100W TO 12N110W TO 
13N115W...RESUMES FROM 14N130W TO 10N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 60 NM OF LINE FROM 07N79W TO 
09N86W...WITHIN 180 NM OF LINE FROM 12N90W TO 15N98W TO 07N111W 
TO 09N140W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.