170 
FZPN03 KNHC 302159
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 30.
24 HOUR FORECAST VALID 1800 UTC MON OCT  1.
48 HOUR FORECAST VALID 1800 UTC TUE OCT  2.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ROSA NEAR 25.2N 118.1W 982 MB AT 2100 UTC SEP 30
MOVING NNE OR 025 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM N
SEMICIRCLE...140 NM SE QUADRANT AND 90 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 210 NM N SEMICIRCLE...270 NM SE QUADRANT
AND 240 NM SW QUADRANT WITH SEAS TO 26 FT. ELSEWHERE WITHIN 300
NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF
AREA FROM 13N TO 30N BETWEEN 110W AND 126W WINDS 20 KT OR LESS.
SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM ROSA NEAR 26.5N 117.4W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT. LITTLE CHANGE IN TROPICAL
STORM FORCE WIND OR 12 FT SEA RADII.
.24 HOUR FORECAST TROPICAL STORM ROSA NEAR 28.1N 116.2W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE...100 NM SE QUADRANT AND 70 NM SW 
QUADRANT. SEAS 12 FT OR GREATER FROM 25N TO 30N E OF 118W.
ELSEWHERE FROM 23N TO 30N E OF 120W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM ROSA INLAND NEAR 29.9N 115.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. GULF OF CALIFORNIA N
OF 29N WINDS 30 TO 35 KT. SEAS 8 FT. OVER OPEN PACIFIC WATERS
FROM 28N TO 30N E OF 117W NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION ROSA INLAND NEAR 32.3N 
113.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST POST-TROPICAL ROSA NEAR 37.0N 112.0W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

...HURRICANE WARNING...
.TROPICAL STORM SERGIO NEAR 11.5N 106.3W 998 MB AT 2100 UTC SEP
30 MOVING W OR 260 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E
SEMICIRCLE...0 NM SW QUADRANT AND 60 NM NW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 120 NM NW AND SE QUADRANTS...180 NM NE
QUADRANT AND 30 NM SW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE
WITHIN 300 NM NE AND 240 NM SW SEMICIRCLES WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT IN MIXED SWELL.
.12 HOUR FORECAST HURRICANE SERGIO NEAR 11.4N 108.1W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 240 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 26 
FT. ELSEWHERE WITHIN 390 NM NE AND 240 NM SW SEMICIRCLES WINDS 20
TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE SERGIO NEAR 11.2N 110.4W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E SEMICIRCLE...50 NM SW QUADRANT AND 60 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE AND 120 NM SW
SEMICIRCLES WITH SEAS TO 29 FT. ELSEWHERE WITHIN 360 NM OF CENTER
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 05N
TO 18N BETWEEN 105W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE SERGIO NEAR 11.9N 114.5W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM E SEMICIRCLE AND 110 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 330 NM NE AND 240 NM SW SEMICIRCLES WITH SEAS TO 
35 FT. ELSEWHERE WITHIN 420 NM OF CENTER WINDS 20 TO 33 KT. SEAS
10 TO 12 FT. REMAINDER OF AREA FROM 04N TO 20N BETWEEN 105W AND
122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE SERGIO NEAR 13.8N 117.5W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SERGIO NEAR 16.0N 120.0W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE SERGIO NEAR 17.3N 122.0W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 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 30 NM OF LINE FROM 16N95W TO 15N95W TO
13.5N97W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
25 KT. SEAS 8 FT. .06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.12 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF
OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS 8 FT.
.24 HOUR FORECAST FROM 13N TO 15N BETWEEN 95W AND 96W WINDS 20 KT
OR LESS. SEAS TO 8 FT IN MIXED N AND SW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC SUN SEP 30...

HURRICANE ROSA...SCATTERED MODERATE WITHIN 90 NM N SEMICIRCLE.

T.S. SERGIO...SCATTERED MODERATE TO ISOLATED STRONG WITHIN 210 NM
OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 08N78W TO 11N96W AND FROM 17N117W TO
13N128W...WHERE IT TRANSITIONS TO ITCZ AND CONTINUES TO 10N140W.
SCATTERED MODERATE FROM 06N TO 08N BETWEEN 84W AND 86W. 

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.