000
FZPN03 KNHC 182118 RRA
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED NOV 18 2015

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED NOV 18.
24 HOUR FORECAST VALID 1800 UTC THU NOV 19.
48 HOUR FORECAST VALID 1800 UTC FRI NOV 20.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWENTY-ONE-E NEAR 12.8N 107.0W 1004 MB AT
2100 UTC NOV 18 STATIONARY. MAXIMUM SUSTAINED WINDS 30 KT GUSTS
40 KT. WITHIN 240 NM S SEMICIRCLE AND 120 NM NW QUADRANT WINDS
20 TO 30 KT. SEAS 8 TO 11 FT.
.12 HOUR FORECAST TROPICAL STORM TWENTY-ONE-E NEAR 13.4N 107.2W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 30 NM NE QUADRANT...0 NM SE QUADRANT...0 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 12 FT. ELSEWHERE
WITHIN 60 NM NE QUADRANT...240 NM S SEMICIRCLE...AND 180 NM NW
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM TWENTY-ONE-E NEAR 14.3N 108.4W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NE QUADRANT...20 NM SE QUADRANT...0 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 14 FT. ELSEWHERE
WITHIN 75 NM NE QUADRANT...240 NM S SEMICIRCLE AND 180 NM NW
QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM TWENTY-ONE-E NEAR 15.6N 111.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM N SEMICIRCLE...50 NM SE QUADRANT...AND 40 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM
FORCE WINDS WITH SEAS TO 17 FT. ELSEWHERE WITHIN 180 NM N
SEMICIRCLE...AND 240 NM S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8
TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM TWENTY-ONE-E NEAR 17.2N 114.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION TWENTY-ONE-E NEAR 18.6N
115.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW TWENTY-ONE-E NEAR
20.5N 116.5W. 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.

.GULF OF CALIFORNIA FROM 23N TO 28N W OF 108.5W NW TO N WINDS 20
TO 25 KT. SEAS 8 TO 9 FT. FROM 21N TO 23N BETWEEN 108.5W AND
109.5W N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 28N W OF 110W
NW TO N WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.18 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N BETWEEN 94.5W
AND 95.5W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94W
AND 95.5W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST GULF OF TEHUANTEPEC WITHIN 60 NM EITHER SIDE
OF A LINE FROM 16N95W TO 15N95W TO 13N96W N TO NE WINDS 20 TO 30
KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.N OF 26N BETWEEN 120W AND 136W N TO NE WINDS 20 TO 25 KT. SEAS
8 TO 11 FT IN N TO NE SWELL. FROM 11N TO 26N W OF 123W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 15 FT IN MIXED SWELL...HIGHEST NEAR
13N127W. ELSEWHERE N OF 06N W OF A LINE FROM 06N101W TO 20N107W
TO 30N118W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST N OF 27N BETWEEN 121W AND 129W N TO NE WINDS
20 TO 25 KT. SEAS 9 TO 12 FT IN N TO NE SWELL. ELSEWHERE N OF
27N BETWEEN 118W AND 131W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NORTHERLY SWELL. FROM 15N TO 27N W OF 129W AND FROM 11N TO
15N BETWEEN 127W AND 132W NE WINDS 20 TO 25 KT. SEAS 8 TO 11 FT
IN MIXED SWELL. FROM 03N TO 27N W OF A LINE FROM 03N110W TO
13N102W TO 20N117W TO 27N118W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.
.48 HOUR FORECAST N OF 29N BETWEEN 124W AND 128W N TO NE WINDS
20 TO 25 KT. SEAS 9 TO 10 FT. ELSEWHERE N OF 27N BETWEEN 122W
AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NORTHERLY SWELL.
N OF 10N W OF A LINE FROM 10N127W TO 14N127W TO 24N140W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. FROM 08N TO 12N
BETWEEN 110W AND 115W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
MIXED SW AND NW SWELL.

.42 HOUR FORECAST S OF 01N BETWEEN 110W AND 120W WINDS 20 KT
OR LESS. SEAS 8 TO 9 FT IN MIXED SW AND NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID 2100 UTC WED NOV 18... 

.TROPICAL DEPRESSION TWENTY-ONE-E...SCATTERED MODERATE TO STRONG
WITHIN 270 NM N QUADRANT.

.LOW PRES NEAR 10N116W...SCATTERED MODERATE WITHIN 105 NM OF
CENTER.

.LOW PRES NEAR 11N126W...SCATTERED MODERATE ISOLATED STRONG
WITHIN 120 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...   

MONSOON TROUGH AXIS FROM 09N83W TO TROPICAL DEPRESSION TWENTY-
ONE-E NEAR 13N107W TO LOW PRES NEAR 10N116W TO LOW PRES NEAR
11N126W TO 08N133W. ITCZ AXIS FROM 08N133W TO 07N140W. SCATTERED
MODERATE WITHIN 240 NM S OF AXIS BETWEEN 79W AND 89W...WITHIN
360 NM SW OF AXIS BETWEEN 95W AND 105W...AND FROM 08N TO 10N
BETWEEN 128W AND 131W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.