000
FZPN03 KNHC 121530
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI OCT 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 12.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 13.
48 HOUR FORECAST VALID 1200 UTC SUN OCT 14.

.WARNINGS.
 
...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 27.5N 111.9W 998 MB AT 1500 UTC OCT 
12 MOVING NE OR 050 DEG AT 21 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM W 
SEMICIRCLE...110 NM NE QUADRANT AND 120 NM SE QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 210 NM S SEMICIRCLE...0 NM NE QUADRANT AND 
180 NM NW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 210 NM 
OF CENTER WINDS 20 TO 33 KT. SEAS 12 TO 18 FT. REMAINDER OF AREA 
FROM 17N TO 30N BETWEEN 109W AND 121W WINDS 20 KT OR LESS. SEAS 
8 T0 11 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 29.5N 
109.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.24 HOUR FORECAST...DISSIPATED.

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.

.FROM 03N TO 11N BETWEEN 104W AND 117W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN SW SWELL. ELSEWHERE S OF 01S BETWEEN 106W AND 120W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST FROM 05N TO 09N BETWEEN 101W AND 112W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL. ELSEWHERE S OF 01S BETWEEN 
86W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 FT IN SW SWELL.
.48 HOUR FORECAST FROM 06N TO 09N BETWEEN 104W AND 107W. SEAS 8 
FT IN SW SWELL. ELSEWHERE S OF 0N BETWEEN 91W AND 120W WINDS 20 
KT OR LESS. SEAS TO 8 FT IN SW SWELL. 

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

CONVECTION VALID AT 1515 UTC FRI OCT 12...

.TROPICAL STORM SERGIO...SCATTERED MODERATE WITHIN 210 NM N OF 
CENTER.

.SCATTERED MODERATE TO STRONG WITHIN 60 NM OF 09N85.5W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N87W TO 15N95W TO 15N103W...THEN RESUMES 
13N123W TO 10N132W TO 12N140W. SCATTERED MODERATE WITHIN 210 NM 
EITHER SIDE OF AXIS BETWEEN 87W AND 103W. SCATTERED MODERATE 
ISOLATED STRONG FROM 06N TO 12N BETWEEN 120W AND 138W. 

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.