000
FZPN03 KNHC 110405
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU OCT 11.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 12.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 13.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 20.0N 121.5W 992 MB AT 0300 UTC OCT
11 MOVING NE OR 050 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM OF CENTER
EXCEPT 120 NM SE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 180 NM
N SEMICIRCLE...240 NM SE QUADRANT AND 270 NM SW QUADRANT WITH
SEAS TO 25 FT. ELSEWHERE WITHIN 300 NM OF CENTER WINDS 20 TO 33
KT. SEAS 10 TO 12 FT IN MIXED SWELL. REMAINDER OF AREA N OF 12N
W OF 110W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM SERGIO NEAR 24.4N 116.4W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 110 NM NE QUADRANT...130 NM SE QUADRANT...100 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER  
FORECAST WATERS WITHIN 240 NM N AND 270 S SEMICIRCLE WITH SEAS 
TO 20 FT. ELSEWHERE OVER OPEN WATERS WITHIN 300 NM OF CENTER
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT IN MIXED SWELL. REMAINDER OF
AREA N OF 15N BETWEEN 110W AND 125W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM SERGIO INLAND OVER BAJA
CALIFORNIA SUR NEAR 27.2N 113.1W. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS OVER GULF OF CALIFORNIA
FROM 25N TO 29N...AND OVER OPEN PACIFIC WATERS OFF BAJA
CALIFORNIA SUR FROM 25N TO 28N E OF 115W. ELSEWHERE OVER OPEN 
PACIFIC WATERS FORM 21N TO 28N E OF 26N W TO NW WINDS 20 TO 33
KT. SEAS 12 TO 19 FT. REMAINDER OF AREA OVER OPEN WATERS N OF 
20N E OF 125W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL. 
.48 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 30.0N 
109.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER OPEN 
WATERS FROM 15N TO 27N E OF 117W WINDS 20 KT OR LESS. SEAS 8 TO 
10 FT IN MIXED SWELL. GULF OF CALIFORNIA FROM 25N TO 29N W TO NW 
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.72 HOUR FORECAST POST-TROPICAL SERGIO NEAR 34.4N 98.8W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 30 KT. 
.96 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.

.S OF 12N BETWEEN 95W AND 135W WINDS 20 KT OR LESS. SEAS 8 TO 11
FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST S OF 15N BETWEEN 95W AND 125W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT PRIMARILY IN SW SWELL.
.48 HOUR FORECAST LOW PRES NEAR 15N97W 1009 MB. WITHIN 120 NM SE
QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL.
ELSEWHERE WITHIN 120 NM EITHER SIDE OF LINE FROM 04N115W TO 
15N95W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.

.48 HOUR FORECAST N OF 04N BETWEEN 79W AND 83W 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 0300 UTC THU OCT 11...

T.S. SERGIO...SCATTERED MODERATE WITHIN 180 NM OF THE CENTER, 
WITH ISOLATED STRONG WITHIN 90 NM IN THE N QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 15N99W TO 11N113W AND FROM 
13N126W TO 10N140W. SCATTERED MODERATE FROM 12N TO 14N BETWEEN 
92W AND 100W...AND FROM 08N TO 10N BETWEEN 135W AND 138W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.