000
FZPN03 KNHC 252118
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 25.
24 HOUR FORECAST VALID 1800 UTC WED SEP 26.
48 HOUR FORECAST VALID 1800 UTC THU SEP 27.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM ROSA NEAR 15.0N 108.9W 1000 MB AT 2100 UTC SEP
25 MOVING WNW OR 290 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 40 NM OF CENTER
EXCEPT 0 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF
CENTER EXCEPT 90 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE
WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 180 NM OF CENTER WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN MIXED SWELL. FROM 09N TO 13N BETWEEN 103W AND
112W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SE AND SW
SWELL.
.12 HOUR FORECAST HURRICANE ROSA NEAR 15.4N 110.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 50 NM OF CENTER EXCEPT 30 NM SW QUADRANT. SEAS 12 FT OR
GREATER WITHIN 90 NM NE QUADRANT...60 NM SE QUADRANT...30 NM SW
QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 18 FT. ELSEWHERE
WITHIN 150 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
REMAINDER OF AREA WITHIN 210 NM NE QUADRANT...300 NM SE
QUADRANT...120 NM SW QUADRANT AND 150 NM NW QUADRANT WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ROSA NEAR 15.9N 111.5W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM S SEMICIRCLE...90 NM NE QUADRANT AND 80 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER WITH SEAS
TO 20 FT. ELSEWHERE WITHIN 180 NM NE QUADRANT...150 NM SE AND NW
QUADRANTS AND 120 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. REMAINDER OF AREA WITHIN 180 NM OF CENTER WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ROSA NEAR 16.5N 114.8W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM N SEMICIRCLE...90 NM SE QUADRANT AND 80 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM OF CENTER WITH SEAS
TO 28 FT. ELSEWHERE WITHIN 210 NM E SEMICIRCLE...150 NM SW
QUADRANT AND 180 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12
FT. FROM 10N TO 13N BETWEEN 110W AND 117W SW WINDS 20 TO 25 KT.
SEAS 8 TO 10 FT. REMAINDER OF AREA WITHIN 300 NM N SEMICIRCLE AND
240 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.72 HOUR FORECAST HURRICANE ROSA NEAR 17.3N 118.0W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE ROSA NEAR 17.3N 118.0W. MAXIMUM
SUSTAINED WINDS 100 KT GUSTS 120 KT.
.120 HOUR FORECAST HURRICANE ROSA NEAR 17.3N 118.0W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 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 GULF OF TEHUANTEPEC N OF 15.5N BETWEEN 94.5W
AND 95.5W N WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 15 NM EITHER SIDE
OF A LINE FROM 16N95W TO 15.5N95W TO 14.5N95.5W N TO NE WINDS 20
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.24 HOUR FORECAST DEVELOPING LOW PRES NEAR 09.5N90.5W 1009 MB.
WITHIN 180 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 11N95W 1008 MB. WITHIN 180 NM N
SEMICIRCLE 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 2030 UTC TUE SEP 25...

.TROPICAL STORM ROSA...NUMEROUS MODERATE TO STRONG WITHIN 240 NM
SW QUADRANT. SCATTERED MODERATE TO STRONG WITHIN 210 NM N
SEMICIRCLE AND 90 NM SE QUADRANT.

.TROPICAL WAVE FROM 05N TO 17N ALONG 102W...SCATTERED MODERATE
ISOLATED STRONG FROM 08N TO 14.5N BETWEEN 99W AND 104W.

.LOW PRES NEAR 10N138W...SCATTERED MODERATE ISOLATED STRONG
BETWEEN 60 NM AND 240 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH AXIS EXTENDS FROM 09N74W TO 09N90W TO 13N101W THEN
RESUMES FROM 12N114W TO 11N126W TO LOW PRES NEAR 10N138W.
SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 06N BETWEEN 77W
AND 85W AND WITHIN AN AREA BOUNDED BY 15N100W TO 15N97W TO 09N83W
TO 05N90W TO 04N94W TO 08N100W TO 15N100W. SCATTERED MODERATE
FROM 08N TO 11N BETWEEN 124W AND 129W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.