000
FZPN03 KNHC 211550
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 21 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU SEP 21.
24 HOUR FORECAST VALID 1200 UTC FRI SEP 22.
48 HOUR FORECAST VALID 1200 UTC SAT SEP 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW PRES NEAR 17N103W 1008MB. WITHIN 60 NM EITHER SIDE OF LINE 
FROM 14N100W TO 10N112W SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N102W 1007 MB. WITHIN 90 NM EITHER SIDE OF LINE FROM 15N99W TO 
13N102W TO 10N115W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.  
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N104W 1004 MB. WITHIN 90 NM OF LOW CENTER WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. WITHIN 90 NM EITHER SIDE OF LINE FROM 13N101W 
TO 09N120W SW TO W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 

.POST-TROPICAL REMNANT LOW OTIS NEAR 16N133W 1011 MB. WITHIN 150 
NM NW QUADRANT N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST LOW DISSIPATED. WINDS 20 KT OR LESS. SEAS LESS 
THAN 8 FT. 

.N OF 25N BETWEEN 118W AND 127W WINDS 20 KT OR LESS. SEAS 8 TO 
9 FT IN NW SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.GULF OF CALIFORNIA N OF 30N SW WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 1500 UTC THU SEP 21... 

INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH FROM 08N78W TO LOW PRES NEAR 17N103W 1008 MB TO 
14N107W TO 11N127W TO 12N140W. SCATTERED MODERATE TO STRONG FROM 
13N TO 19N BETWEEN 101W AND 107W. SCATTERED MODERATE ISOLATED 
STRONG FROM 10N TO 12N BETWEEN 93W AND 96W. SCATTERED MODERATE 
WITHIN 120 NM S OF AXIS W OF 112W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.