443 
FZPN03 KNHC 260315
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC WED SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED SEP 26.
24 HOUR FORECAST VALID 0000 UTC THU SEP 27.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 28.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ROSA NEAR 15.1N 109.7W 997 MB AT 0300 UTC SEP 26
MOVING W-NW OR 285 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM OF CENTER
EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM NW
AND SE QUADRANTS...120 NM NE AND 30 NM SW QUADRANTS WITH SEAS 
TO 16 FT. ELSEWHERE WITHIN 150 NM NE AND 120 NM SW SEMICIRCLES OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 11 FT.
.12 HOUR FORECAST HURRICANE ROSA NEAR 15.5N 110.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM OF CENTER EXCEPT 50 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 120 NM NE AND 75 NM SW SEMICIRCLES WITH SEAS TO 
18 FT. ELSEWHERE WITHIN 180 NM NE AND 140 NM SW SEMICIRCLES OF 
CENTER WINDS 20 TO 33 KT. SEAS TO 11 FT. SCATTERED MODERATE TO 
STRONG TSTMS IN BANDS WITHIN 240 NM NE AND 150 NM SW SEMICIRCLES 
OF CENTER.
.24 HOUR FORECAST HURRICANE ROSA NEAR 16.0N 112.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM OF CENTER EXCEPT 70 NM SW QUADRANT. ELSEWHERE 
WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT AND SEAS 12 FT OR 
GREATER WITH SEAS TO 21 FT. REMAINDER OF AREA WITHIN 210 NM OF 
CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN MIXED 
SWELL. SCATTERED MODERATE TO STRONG TSTMS IN BANDS WITHIN 270 NM 
N AND 150 NM S SEMICIRCLES OF CENTER.
.48 HOUR FORECAST HURRICANE ROSA NEAR 16.6N 115.8W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM OF CENTER EXCEPT 90 NM SW QUADRANT. ELSEWHERE 
WITHIN 180 NM N AND 150 NM S SEMICIRCLES OF CENTER WINDS 20 TO 
33 KT AND SEAS 12 FT OR GREATER WITH SEAS TO 25 FT. REMAINDER OF 
AREA WITHIN 270 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT 
PRIMARILY IN MIXED SWELL. SCATTERED MODERATE TO STRONG TSTMS IN 
BANDS WITHIN 300 NM N AND 180 NM S SEMICIRCLES OF CENTER.
.72 HOUR FORECAST HURRICANE ROSA NEAR 17.8N 119.0W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ROSA NEAR 17.8N 119.0W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT.
.120 HOUR FORECAST HURRICANE ROSA NEAR 17.8N 119.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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.

.06 HOUR FORECAST WITHIN 15 NM OF LINE FROM 16N95W TO 14.5N95W...
INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST GULF OF TEHUANTEPEC N WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST NEW LOW PRES NEAR 09.5N94W 1007 MB. WITHIN 180 
NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 11N94W 1006 MB. WITHIN 210 NM N 
SEMICIRCLES TO SE WINDS 20 TO 25 KT. SEAS BUILDING TO 10 FT.

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

CONVECTION VALID AT 0300 UTC WED SEP 26...

.TROPICAL STORM ROSA...NUMEROUS MODERATE TO STRONG IN 
BANDS WITHIN 120 NM SE AND 240 NM NW SEMICIRCLES.  

.LOW PRES 10N138W 1008 MB...SCATTERED MODERATE ISOLATED STRONG
WITHIN 240 NM OF LOW.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 10N95W TO 12N101W 
THEN RESUMES FROM 12.5N115W TO LOW PRES 10N138W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 60 NM OF COAST FROM 86W TO 90W 
FROM 98W TO 106W. ISOLATED MODERATE AND STRONG WITHIN AREA 
BOUNDED BY 17N104W TO 05N81W TO 07N105W TO 17N104W...AND WITHIN 
240 NM OF LINE FROM 14N117W TO 09N129W TO 11N140W.  

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.