805 
FZPN03 KNHC 292214
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 29.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 30.
48 HOUR FORECAST VALID 1800 UTC MON OCT  1.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ROSA NEAR 21.4N 118.7W 968 MB AT 2100 UTC SEP 29
MOVING N OR 350 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 90 KT
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE
QUADRANT...140 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER 
EXCEPT 240 NM SE QUADRANT WITH SEAS TO 36 FT. ELSEWHERE WITHIN
270 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA FROM 10N TO 25N BETWEEN 110W AND 130W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ROSA NEAR 24.8N 118.3W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM OF CENTER WITH SEAS TO 36 FT. ELSEWHERE WITHIN 270 NM OF
CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA 
FROM 10N TO 30N BETWEEN 110W AND 125W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM ROSA NEAR 28.8N 116.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 60 NM W SEMICIRCLE...80 NM NE QUADRANT AND 100 NM SE 
QUADRANT. SEAS 12 FT OR GREATER IN OPEN WATERS FROM 26N TO 30N E
OF 119W WITH SEAS TO 21 FT. ELSEWHERE FROM 21N TO 30N E OF 120W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL ROSA NEAR 34.5N 113.0W. 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 12.1N 102.8W 1006 MB AT 2100 UTC SEP
29 MOVING W OR 275 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E
SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
120 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE WITH SEAS TO 14 FT.
ELSEWHERE WITHIN 240 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS 10
TO 12 FT. REMAINDER OF AREA FROM 10N TO 17N BETWEEN 98W AND 106W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM SERGIO NEAR 12.3N 106.3W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 100 NM E SEMICIRCLE...40 NM SW QUADRANT AND 80 NM NW
QUADRANT.SEAS 12 FT OR GREATER WITHIN 150 NM NE SEMICIRCLE AND 60 NM SW 
SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 270 NM OF CENTER WINDS
20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE SERGIO NEAR 12.1N 110.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 80 NM 
SW QUADRANT. SEAS 12 FT OR GREATER 210 NM NE AND 120 NM SW
SEMICIRCLES WITH SEAS TO 29 FT. ELSEWHERE WITHIN 240 NM NW AND
270 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE SERGIO NEAR 13.0N 114.0W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE SERGIO NEAR 15.0N 117.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
.120 HOUR FORECAST HURRICANE SERGIO NEAR 16.5N 119.5W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 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.

.12 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF 
OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 2100 UTC SAT SEP 29...

HURRICANE ROSA...NUMEROUS MODERATE TO STRONG WITHIN 120 NM OF
CENTER.

TROPICAL STORM SERGIO...NUMEROUS MODERATE TO STRONG WITHIN 240 
NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 07N78W TO TROPICAL STORMS SERGIO. ITCZ FROM 
09N128W TO 06N140W. NO SIGNIFICANT CONVECTION OTHER THAN WITHIN 
240 NM OF SERGIO.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.