000
FZPN03 KNHC 120337
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI OCT 12.
24 HOUR FORECAST VALID 0000 UTC SAT OCT 13.
48 HOUR FORECAST VALID 0000 UTC SUN OCT 14.

.WARNINGS.
 
...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 24.7N 115.4W 994 MB AT 0300 UTC OCT 
12 MOVING NE OR 045 DEG AT 20 KT. MAXIMUM SUSTAINED WINDS 50 KT 
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER 
EXCEPT 120 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM 
NE...240 NM SE...210 NM SW AND 180 NM NW QUADRANTS WITH SEAS TO 
24 FT. ELSEWHERE WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. 
REMAINDER OF AREA FROM 14N TO 28N BETWEEN 113W AND 123W WINDS 20 
KT OR LESS. SEAS 8 T0 13 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 29.6N 
109.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. GULF OF 
CALIFORNIA FROM 26N TO 29N W TO SW WINDS 20 TO 25 KT. SEAS TO 10 
FT. FROM 20N TO 27N BETWEEN 109W AND 115W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN W TO NW SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW SERGIO NEAR 32.5N 
105.0W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 KT.
.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.

.FROM 02N TO 10N BETWEEN 100W AND 118W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN SW SWELL.
.24 HOUR FORECAST FROM 05N TO 10N BETWEEN 99W AND 115W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 13N100W TO 07N80W TO 
03.4S90W TO 03.4S120W TO 13N100W 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 0300 UTC FRI OCT 12...

.TROPICAL STORM SERGIO...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 180 NM N OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 13N88W TO 15N108W...RESUMES SW OF SERGIO 
FROM 13N120W TO 09N140W. SCATTERED MODERATE WITHIN 75 NM OF LINE 
FROM 12N99W TO 07N116W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 150 NM S OF AXIS W OF 122W. 

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.