000
FZPN03 KNHC 032108
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC MON SEP 03 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SYNOPSIS VALID 1800 UTC MON SEP 03.
24 HOUR FORECAST VALID 1800 UTC TUE SEP 04.
48 HOUR FORECAST VALID 1800 UTC WED SEP 05.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM JOHN NEAR 21.1N 114.0W 1002 MB AT 2100 UTC SEP
03 MOVING NW OR 305 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 160 NM NE AND 60 
NM NW QUADRANTS. SEAS 12 FT OR GREATER WITHIN 270 NM NE 
QUADRANT...240 NM SE QUADRANT...60 NM SW QUADRANT...AND 150 NM 
NW QUADRANT WITH SEAS TO 17 FT.
.12 HOUR FORECAST TROPICAL DEPRESSION JOHN NEAR 22.N 115.6W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT WITHIN 150 NM NE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE SEMICIRCLE 
WITH SEAS TO 15 FT.
.24 HOUR FORECAST TROPICAL DEPRESSION JOHN NEAR 23.4N 117.4W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT WITHIN 120 NM NE 
QUADRANT WITH SEAS TO 13 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 25.6N 
120.3W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT WITHIN 60 NM 
NE QUADRANT. SEAS TO 10 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 27.0N 
122.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW JOHN NEAR 27.5N
122.5W. 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.

.EXCEPT AS NOTED IN JOHN WARNING...WITHIN 360 NM E AND 90 NM W 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 13 FT IN 
MIXED SWELL. ELSEWHERE FROM 16N TO 25N BETWEEN 105W AND 115W 
INCLUDING THE GULF OF CALIFORNIA S OF 25N...WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT PRIMARILY IN SW SWELL.  
.12 HOUR FORECAST EXCEPT AS NOTED IN JOHN WARNING...WITHIN 300 
NM E AND 150 NM W SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS 
8 TO 13 FT IN MIXED SWELL. ELSEWHERE FROM 18N TO 26N BETWEEN 
107W AND 118W INCLUDING THE GULF OF CALIFORNIA S OF 24N...WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT PRIMARILY IN SW SWELL. 
.24 HOUR FORECAST EXCEPT AS NOTED IN JOHN WARNING...WITHIN 270 
NM E AND 90 NM W SEMICIRCLES OF CENTER WINDS 20 TO 30 KT. SEAS 8 
TO 11 FT IN MIXED SWELL. ELSEWHERE FROM 20N TO 27N BETWEEN 110W 
AND 120W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN SW 
SWELL. 
.48 HOUR FORECAST EXCEPT AS NOTED IN JOHN WARNING...WITHIN 150 
NM E AND 75 NM W SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS 8 
FT.

.REMNANT LOW PRES OF ILEANA AT 21N127W 1009 MB. WITHIN 330 NM NW 
QUADRANT OF CENTER N TO NE WINDS 20 TO 25 KT. SEAS TO 10 FT. 
ELSEWHERE WITHIN 420 NM W AND 120 NM E SEMICIRCLES OF CENTER 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MERGING NE AND S SWELL.
.24 HOUR FORECAST LOW PRES NEAR 19N130W 1012 MB. WITHIN 270 NM 
NW SEMICIRCLE OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 17N133W 1013 MB. WITHIN 150 NM 
NW QUADRANT OF CENTER WINDS 20 KT OR LESS. SEAS TO 8 FT.

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

CONVECTION VALID AT 2100 UTC MON SEP 03...

.TROPICAL STORM JOHN...SCATTERED MODERATE ISOLATED STRONG FROM 
60 TO 360 NM OVER SW QUADRANT AND FROM 90 NM TO 240 NM OVER N 
QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH 11N85W TO 09N95W TO 11N105W....THEN RESUMES 
16N112W TO 12N117W TO 07N132W. SCATTERED MODERATE ISOLATED 
STRONG WITHIN 150 NM LINE 05N79W TO 15N97W...AND WITHIN 75 NM OF 
10.5N101W AND WITHIN 60 NM LINE 06.5N TO 04.5N102.5W. SCATTERED 
MODERATE WITHIN 60 NM OF 07.5N111W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.