000
FZPN03 KNHC 072041
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 7 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 7.
24 HOUR FORECAST VALID 1800 UTC MON OCT  8.
48 HOUR FORECAST VALID 1800 UTC TUE OCT  9.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE SERGIO NEAR 14.7N 127.5W 971 MB AT 2100 UTC OCT 07
MOVING W OR 275 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS
105 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM N SEMICIRCLE
AND 120 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 360 NM S 
SEMICIRCLE...450 NM NE QUADRANT AND 480 NM NW QUADRANT WITH SEAS 
TO 38 FT. ELSEWHERE WITHIN 240 NM NE QUADRANT...420 NM SE 
QUADRANT...210 NM SW QUADRANT AND 360 NM NW QUADRANT WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA BOUNDED BY 30N140W TO 
30N116W TO 10N113W TO 00N122W TO 00N140W TO 30N140W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE SERGIO NEAR 15.6N 128.4W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM N SEMICIRCLE AND 120 NM S SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 540 NM NE QUADRANT...420 NM SE QUADRANT...360 NM 
SW QUADRANT AND 660 NM NW QUADRANT WITH SEAS TO 34 FT. ELSEWHERE 
WITHIN 180 NM NE QUADRANT...300 NM SE AND NW QUADRANTS AND 210 NM
SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA W OF 112W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED 
SWELL...EXCEPT 11 TO 14 FT IN MIXED S AND NW SWELL N OF 25N 
BETWEEN 122W AND 135W.
.48 HOUR FORECAST HURRICANE SERGIO NEAR 17.3N 126.7W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 540 NM NE
QUADRANT...450 NM SE QUADRANT...360 NM SW QUADRANT AND 420 NM NW
QUADRANT WITH SEAS TO 28 FT. ELSEWHERE WITHIN 210 NM NE AND SW 
QUADRANTS...300 NM SE QUADRANT AND 270 NM NW QUADRANT WINDS 20 TO
33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA W OF 108W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST TROPICAL STORM SERGIO NEAR 19.6N 122.8W. 
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 23.5N 118.0W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
.120 HOUR FORECAST TROPICAL STORM SERGIO NEAR 28.0N 112.5W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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.

.WITHIN AREA BOUNDED BY 15N92W TO 12N85W TO 08N93W TO 07N107W TO
11N107W TO 11N95W TO 15N92W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN SW SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN AREA BOUNDED BY 12N91W TO 10N89W TO
04N96W TO 05N108W TO 11N108W TO 12N91W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SW AND NW SWELL.

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

CONVECTION VALID AT 2030 UTC SUN OCT 7...

.HURRICANE SERGIO...NUMEROUS MODERATE SCATTERED STRONG WITHIN 150
NM OF CENTER. SCATTERED MODERATE FROM 13N TO 16N BETWEEN 119W AND
122W AND IN A BAND BETWEEN 330 NM AND 420 NM SE QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 15N92W TO 13N100W TO 10N110W
THEN RESUMES FROM 10N130W TO 07N140W. SCATTERED MODERATE ISOLATED
STRONG WITHIN 180 NM S OF AXIS BETWEEN 88W AND 95W AND ALSO
BETWEEN 100W AND 110W. SIMILAR CONVECTION WITHIN 120 NM N OF AXIS
BETWEEN 95W AND 100W AND ALSO FROM 05N TO 08N BETWEEN 133W AND
139W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.