000
FZPN03 KNHC 120920
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI OCT 12.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 13.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 14.

.WARNINGS.
 
...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 26.1N 113.8W 998 MB AT 0900 UTC OCT 
12 MOVING NE OR 045 DEG AT 21 KT. MAXIMUM SUSTAINED WINDS 45 KT 
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER 
EXCEPT 120 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM S 
SEMICIRCLE...90 NM NE QUADRANT AND 180 NM NW QUADRANT WITH SEAS 
TO 20 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. 
REMAINDER OF AREA FROM 17N TO 29N BETWEEN 111W AND 121W WINDS 20 
KT OR LESS. SEAS 8 T0 13 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 28.2N 
111.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW SERGIO NEAR 31.0N 
107.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST 
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW SERGIO NEAR 33.8N 
103.2W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
.48 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 02N TO 10N BETWEEN 103W AND 118W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST FROM 05N TO 10N BETWEEN 100W AND 113W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST S OF 02S BETWEEN 90W AND 120W WINDS 20 KT OR 
LESS. SEAS 8 FT IN SW SWELL.

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

CONVECTION VALID AT 0900 UTC FRI OCT 12...

.TROPICAL STORM SERGIO...SCATTERED MODERATE WITHIN 60 NM N OF 
CENTER.

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

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 14N90W TO 15N113W TO 10N140W. SCATTERED 
MODERATE WITHIN 75 OF AXIS BETWEEN 95W AND 101W. SCATTERED 
MODERATE ISOLATED STRONG FROM 06N TO 09N BETWEEN 123W AND 139W. 

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.