Local Tide predictions



Usage:
wxtide32 [-24]                  Use 24-hour time, not AM / PM
         [-append]              Append - WXTide32 to end of window name
         [-autokt]              Auto change knots^2 to knots
         [-autosave]            Save changed options and window positions on exit
         [-banner]              Sideways ASCII tide graph
         [-bgday ...]           Background color for day time
         [-bgnite ...]          Background color for night time
         [-bmp {filename}       Name of BMP file to generate from graphics window
         [-calen [N]]           Make month tide calendar for N months
         [-calib]               (Hairy)  Tick marks at top of the hour
         [-caption]             (Graph) Displays station name at top of window
         [-check YYYY]          Check for errors in equilibrium arguments
         [-config {filename | -}]  Read configuration file / stdin
         [-cur]                 Restrict -location search to currents
         [-custname "name"]     Name of custom station, only used with custom
                                station offsets (-htoff, -hloff, -ltoff, -htoff)
         [-depthlines]          Shows depth lines on graph
         [-fgfall ...]          Color of ebbing water
         [-fgmark ...]          Color of mark line
         [-fgmapdot ...]        Color of dots on locator map
         [-fgmiddle ...]        Color of middle line
         [-fgmllw ...]          Color of mllw line
         [-fgrise ...]          Color of flooding water
         [-fgtext ...]          Color of text and lines
         [-graph]               Main and Text Mode is graph tides
         [-gstart YYYY:MM:DD:HH:MM]  Time at which to start graph or text
         [-gstretch N.NN]       Adjust graph detail vs. time span
         [-hairy]               Main Mode is centered tide graph
         [-help]                Send usage to standard output
         [-hfile ...]           Location and name of harmonics file
         [-hinc [N]]            Label depth marks in increments of N
         [-hloff [{-|x}]N.NN]   Tide level offset for high tide
         [-htoff [-]HH:MM]      Time offset for high tide
         [-iconstyle N          Style of tooltray icon 0:line, 1:arrow
         [-incremental [minutes]] Show incremental tide levels
         [-indexfile {filename} Name of index file
         [-list [N]             List all locations in index N1=DMS, N2=DMMmm
         [-lloff [{-|x}]N.NN]   Tide level offset for low tide
         [-location "Name"]     Location to show tides for
         [-loctz]               Try to use time zone of location (Moof!)
         [-ltoff [-]HH:MM]      Time offset for low tide
         [-mapcues [N]          Enable map station cues, 0=None, 1=Hover, 2=fast
         [-mapgrid              Enable WVS map grid lines
         [-mark [-]N.NN]        Draw line at specified tide level
         [-marklevel [-]N.NN]   Sets mark level independent of -mark
         [-maxmru N]            Max most recently used entries saved (0-9)
         [-middle]              Draw line near mean tide level
         [-mllw]                Draw line at mean lower low water level
         [-moon]                Show moon phases on graphs
         [-nearest LAT LON]     Auto-selects nearest station to Lat/Lon (D.MMmm)
         [-nofill]              Line graph instead of filled-in graph
         [-nolines]             Suppress tick marks / depth lines
         [-now]                 Show current time / mark place on graph
         [-nowarn]              Suppress big ugly warning message
         [-numdays [N]]         Number of days of text tides
         [-nummonths [N]]       Number of months of calendar tides
         [-onedate]             Graph mode declutter to show date once
         [-onesc N]             ESCape key action is 0:None,1:Minimize,2:Exit
         [-onlyone]             Only allow one instance of program
         [-onlytcd N]           Only show binary TCD file locations when N=1
         [-overview]            Selects overview graphics mode
         [-ps]                  Generate PostScript[tm] output
         [-raw YYYY:MM:DD:HH:MM [HH:MM]] Raw output from gstart to time, opt step
         [-scrollbar]           Show time scrollbar in graph mode
         [-skinny]              Trim the fat, make window tall and skinny
         [-showlevels]          Show tide levels on graphs and clocks
         [-stats YYYY:MM:DD:HH:MM]  Find stats from gstart to this time
         [-stagger]             Graph mode declutter, staggers high/low tide times
         [-staggerfloat]        Graph mode declutter, tide times float on tide
         [-subproc N]           Set subordinate proc to 0:Fast, 1:NOAA
         [-sunmoon]             Show sun/moon rise/fall on text tides
         [-test [N]]            Test mode (mostly useless)
         [-text [N]]            List N tides
         [-textascii [N]]       List N tides / select ASCII graph mode
         [-textfile filepath]   Redirect text output to file, -nowarn inhibits msg
         [-thin]                Leave out year and time zone
         [-tinc [N]]            Label each N hours
         [-toooltray N]         Animated icon 0:None,1:on Minimize,2:Always
         [-toplines]            (Graph)  Depth lines on top of graph
         [-tz [-]HH:MM]         Fixed time zone offset for timestamps
         [-units {ft|m}]        Convert units where applicable
         [-userfile {filename}  Name of user station index file
         [-utc]                 Show timestamps in UTC
         [-uutc]                User's times (gstart, etc.) are in UTC
         [-version]             Print WXTide32 version
         [-weekday]             Show day of week in printed dates

Time format example -- half past midnight, June 1, 1995:  1995:06:01:00:30
Colors are specified as rgb:hh/hh/hh (where hh is a 2-digit hexadecimal number).

ERROR: I do not know what switch [21] means.