000
FZPN03 KNHC 252209
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN SEP 25 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC SUN SEP 25.
24 HOUR FORECAST VALID 1800 UTC MON SEP 26.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 27.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION EIGHTEEN-E NEAR 16.1N 119.6W 1005 MB AT
2100 UTC SEP 25 MOVING N OR 360 DEG AT 5 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. ELSEWHERE WITHIN 180 NM SE AND 120 NM NW
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 10 TO 14 FT WITHIN 90 NM E
QUADRANT...AND 8 TO 10 FT WITHIN 210 NM SE AND 150 NM NW
SEMICIRCLES. 
.24 HOUR FORECAST TROPICAL STORM EIGHTEEN-E NEAR 17.4N 119.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM NE QUADRANT...80 NM SE QUADRANT...0 NM SW
QUADRANT...AND 40 NM NW QUADRANT. WINDS 20 TO 33 KT AND SEAS 12
FT OR GREATER WITHIN 150 NM SE AND 90 NM NW SEMICIRCLES WITH SEAS
TO 17 FT. ELSEWHERE WITHIN 240 NM E AND 180 NM W SEMICIRCLES WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION EIGHTEEN-E NEAR 19.1N
118.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30
KT AND SEAS 12 FT OR GREATER WITHIN 90 NM OF CENTER WITH SEAS TO
15 FT. ELSEWHERE FROM 13N TO 24N BETWEEN 113W AND 120W WINDS 20 KT
OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW EIGHTEEN-E NEAR 21.5N
117.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST- TROPICAL REMNANT LOW EIGHTEEN-E NEAR 24.0N
118.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. 
.120 HOUR FORECAST POST- TROPICAL REMNANT LOW EIGHTEEN-E NEAR
25.0N 120.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 NEAR 12N138W 1011 MB. WITHIN 60 NM N QUADRANT WINDS 20
TO 25 KT. SEAS 8 FT. ELSEWHERE FROM 13N TO 19N W OF 135W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.
.24 HOUR FORECAST LOW PRES W OF AREA. FROM 10N TO 14N W OF 138W
WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2100 UTC SUN SEP 25...

.TROPICAL DEPRESSION EIGHTEEN-E...NUMEROUS MODERATE CONVECTION WITHIN
210 NM OF THE SE SEMICIRCLE OF THE CENTER.

.SCATTERED MODERATE TO ISOLATED STRONG N OF 04N BETWEEN 80W AND
87W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 11N97W TO 08N107W TO
09N113W...RESUMING AT 13N123W TO 1011 MB LOW PRESSURE NEAR
11N139W TO BEYOND 11N140W. SCATTERED MODERATE WITHIN 60 NM S OF
THE MONSOON TROUGH AXIS BETWEEN 92W AND 100W AND WITHIN 120 NM
S OF AXIS BETWEEN 135W AND 140W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.