079 
FZPN03 KNHC 270308
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 27.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 28.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ROSA NEAR 16.9N 113.1W 982 MB AT 0300 UTC SEP 27 
MOVING W OR 280 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM W 
SEMICIRCLE...90 NM NE AND 70 NM SE QUADRANTS. SEAS 12 FT OR 
GREATER WITHIN 150 NM OF CENTER EXCEPT 120 NM SW QUADRANT WITH 
SEAS TO 31 FT. ELSEWHERE WITHIN 180 NM OF CENTER WINDS 20 TO 33 
KT. SEAS 8 TO 11 FT. REMAINDER WATERS WITHIN 390 NM OF CENTER 
WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ROSA NEAR 17.1N 116.2W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM W SEMICIRCLE...100 NM NE AND 110 NM SE QUADRANTS. 
WINDS 20 TO 33 KT AND SEAS 12 FT OR GREATER WITHIN 240 NM OF 
CENTER SEAS TO 39 FT. REMAINDER WATERS OF AREA WITHIN 330 OF 
CENTER WINDS 20 KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED 
SWELL. SCATTERED TSTMS IN BANDS WITHIN 270 NM OF CENTER. 
.48 HOUR FORECAST HURRICANE ROSA NEAR 18.4N 118.2W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM E SEMICIRCLE AND 90 NM W SEMICIRCLE. WINDS 20 TO 
33 KT AND SEAS 12 FT OR GREATER WITHIN 270 NM OF CENTER WITH 
SEAS TO 45 FT. REMAINDER WATERS WITHIN 480 NM OF CENTER WINDS 20 
KT OR LESS. SEAS TO 11 FT PRIMARILY IN MIXED SWELL. SCATTERED 
TSTMS IN BANDS WITHIN 270 NM OF CENTER. 
.72 HOUR FORECAST HURRICANE ROSA NEAR 21.2N 119.2W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ROSA NEAR 21.2N 119.2W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM ROSA NEAR 28.0N 116.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 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.

.LOW PRES 11N92W 1009 MB. WITHIN 120 NM N QUADRANT WINDS 20 KT 
OR LESS. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW PRES NEAR 10.5N96W 1007 MB. WITHIN 240 NM 
NE QUADRANT E TO SE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES NEAR 11.5N99.5W 1006 MB. WITHIN 240 
NM N SEMICIRCLE NE TO E WINDS 20 TO 25 KT. SEAS TO 11 FT.
WITHIN 60 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
MIXED SWELL.

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

CONVECTION VALID AT 0300 UTC THU SEP 27...

.HURRICANE ROSA...NUMEROUS STRONG IN BANDS WITHIN 180 NM SE AND 
240 NM NW SEMICIRCLES.

.LOW PRES 11N92W...SCATTERED MODERATE ISOLATED STRONG WITHIN
150 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 10N76W TO 09N85W TO LOW PRES 11N92W TO 10N101W...
RESUMES FROM 13N117W TO 11N133W. SCATTERED MODERATE TO STRONG 
WITHIN 75 NM OF LINE FROM 08N79W TO 08N82W TO 10N86W. SCATTERED
MODERATE ISOLATED STRONG WITHIN 60 NM OF 06N87W...WITHIN 240 NM
OF LINE FROM 07N92W TO 14N110W. ISOLATED MODERATE AND STRONG 
WITHIN 330 NM OF 11N126W. 

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.