000
FZPN03 KNHC 081010
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC MON OCT 8 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC MON OCT 8.
24 HOUR FORECAST VALID 0600 UTC TUE OCT  9.
48 HOUR FORECAST VALID 0600 UTC WED OCT 10.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE SERGIO NEAR 15.2N 128.1W 975 MB AT 0900 UTC OCT 08
MOVING NW OR 320 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM N
SEMICIRCLE AND 120 NM S SEMICIRCLE.  SEAS 12 FT OR GREATER
WITHIN 480 NM W SEMICIRCLE...450 NM NE QUADRANT AND 390 NM SE
QUADRANT WITH SEAS TO 37 FT. ELSEWHERE OVER FORECAST WATERS 
WITHIN 600 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN 
MIXED SWELL. REMAINDER OF AREA W OF 120 WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL. 
.24 HOUR FORECAST HURRICANE SERGIO NEAR 16.4N 127.9W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 540 NM N SEMICIRCLE AND 360 NM SEMICIRCLE WITH 
SEAS TO 35 FT. ELSEWHERE WITHIN 600 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT IN MIXED SWELL. REMAINDER OF AREA S OF 27N 
AND W OF 112 WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
N OF 27N W OF 115W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED
NW AND SE SWELL.
.48 HOUR FORECAST HURRICANE SERGIO NEAR 18.2N 124.8W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...140 NM SE QUADRANT...130 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 540 
NM NE AND 360 NM SW SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE
WITHIN 600 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT IN
MIXED SWELL. REMAINDER OF AREA W OF 110W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM SERGIO NEAR 21.4N 120.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE
FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM SERGIO NEAR 26.5N 114.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION SERGIO INLAND NEAR 33.0N 
106.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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 08N TO 15N E OF 108W WINDS 20 KT OR LESS. SEAS 8 FT IN SW
SWELL.
.24 HOUR FORECAST FROM 05N TO 13N E OF 108W WINDS 20 KT OR LESS.
SEAS 8 FT IN SW SWELL. 
.48 HOUR FORECAST FROM 05N TO 12N BETWEEN 90W AND 105W WINDS 20 
KT OR LESS. SEAS 8 FT IN MIXED SW AND NW SWELL.

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

CONVECTION VALID AT 0900 UTC MON OCT 8...

HURRICANE SERGIO...NUMEROUS MODERATE TO SCATTERED STRONG WITHIN 
150 NM OF THE CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH REACHES 13N95W TO 13N110W. SCATTERED MODERATE 
FROM 10N TO 13N BETWEEN 95W AND 105W. ANOTHER SEGMENT OF THE 
MONSOON TROUGH EXTENDS FROM 10N132W TO 06N140W. SCATTERED 
MODERATE CONVECTION IS ALSO ACTIVE WITHIN 30 NM OF THE COAST OF 
GUATEMALA AND SOUTHERN MEXICO EAST 95W. 

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.