255 
FZPN03 KNHC 261534
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED SEP 26.
24 HOUR FORECAST VALID 1200 UTC THU SEP 27.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 28.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE ROSA NEAR 16.1N 111.4W 990 MB AT 1500 UTC SEP 26
MOVING WNW OR 290 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NW AND SE
QUADRANTS...70 NM NE QUADRANT AND 40 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 90 NM NW AND SE QUADRANTS...120 NM NE QUADRANT 
AND 60 NM SW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE WITHIN 120 
NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF 
AREA WITHIN 300 NM E SEMICIRCLE AND 240 NM W SEMICIRCLE WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ROSA NEAR 16.6N 114.6W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS 
WITHIN 70 NM W SEMICIRCLE...100 NM NE QUADRANT AND 80 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER EXCEPT 
150 NM SW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE WITHIN 210 NM OF
CENTER EXCEPT 180 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. FROM 09N TO 13N BETWEEN 111W AND 118W SW WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. REMAINDER OF AREA WITHIN 420 NM E SEMICIRCLE 240
NM SW QUADRANT AND 300 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS 8
TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ROSA NEAR 17.3N 117.5W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E SEMICIRCLE...90 NM SW QUADRANT AND 100 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER WITH SEAS
TO 38 FT. ELSEWHERE WITHIN 240 NM NW AND SE QUADRANTS AND 180 NM
NE AND SW QUADRANTS WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. FROM 10N
TO 13N BETWEEN 114W AND 121W SW WINDS 20 TO 25 KT. SEAS 8 TO 10
FT. REMAINDER OF AREA WITHIN 510 NM OF CENTER WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE ROSA NEAR 19.2N 119.5W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ROSA NEAR 19.2N 119.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST TROPICAL STORM ROSA NEAR 24.9N 119.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 W OF AREA NEAR 10N141W 1008 MB. OVER FORECAST WATERS
WITHIN 240 NM N AND E QUADRANTS WINDS 20 KT OR LESS. SEAS TO 8 FT
IN MIXED SWELL.
.18 HOUR FORECAST LOW PRES FAR W OF AREA. WINDS 20 KT OR LESS. 
SEAS LESS THAN 8 FT.

.GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W AND 95.5W N TO NE
WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST NEW LOW PRES NEAR 10.5N95.5W 1008 MB. FROM 12N
TO 14N BETWEEN 93W AND 96W NE TO E WINDS 20 TO 25 KT. SEAS TO 8
FT.
.48 HOUR FORECAST LOW PRES NEAR 11N99W 1008 MB. FROM 13N TO 15.5N
BETWEEN 96W AND 100W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.

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

CONVECTION VALID AT 1200 UTC WED SEP 26...

.HURRICANE ROSA...NUMEROUS MODERATE SCATTERED STRONG WITHIN 120
NM E SEMICIRCLE. SCATTERED MODERATE TO STRONG WITHIN 210 NM SW
QUADRANT AND 270 NM NW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM LOW PRES NEAR 09.5N75W TO 08N80W
TO 09N90W TO 13N103W THEN RESUMES FROM 13N115W TO 12N125W TO
11.5N135W. SCATTERED MODERATE ISOLATED STRONG FROM 05N TO 09N
BETWEEN 77W AND 84W...WITHIN AREA BOUNDED BY 15N92W TO 08N86W TO
03N90W TO 05N97W TO 10N99W TO 15N92W...WITHIN AREA BOUNDED BY
19N106W TO 13N100W TO 07N100W TO 10N104W TO 19N106W...FROM 09.5N
TO 13N BETWEEN 112W AND 120W...FROM 14N TO 16N BETWEEN 120W AND
124W...AND FROM 07N TO 12N BETWEEN 125W AND 131W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.