ST HELENA SOUND (Marine Chart : US11517_P221)

ST HELENA SOUND marine chart is available as part of iBoating : USA Marine & Fishing App(now supported on multiple platforms including Android, iPhone/iPad, MacBook, and Windows(tablet and phone)/PC based chartplotter.).  

 When you purchase our Nautical Charts App,  you get all the great marine chart app features like fishing spots, along with ST HELENA SOUND marine chart. The Marine Navigation App provides advanced features of a Marine Chartplotter including adjusting water level offset and custom depth shading. Fishing spots, Relief Shading and depth contours layers are available in most Lake maps. Nautical navigation features include advanced instrumentation to gather wind speed direction, water temperature, water depth, and accurate GPS with AIS receivers(using NMEA over TCP/UDP). Autopilot support can be enabled during ‘Goto WayPoint’ and ‘Route Assistance’. Now Automatic Slip to Slip Boat routing based Boat's Draft (draught) is available for water mapped by this chart.


Have more questions about the Nautical Chart App? Ask us.



This chart covers part of America’s Great Loop
Min Longitude-80.55
Min Latitude32.28
Max Longitude-80.23
Max Latitude32.67
Edition Label 118
Edition Label 21
Edition Label 3226
* some Stats may include nearby/connecting waterbodies
Nearby Tide Station Seabrook
Distance from center: 2 km
Weekly High / Low Tide Table
06/17Mon05:10 AM162.383H cm
06/17Mon11:29 AM19.354L cm
06/17Mon05:52 PM187.27H cm
06/18Tue12:24 AM29.223L cm
06/18Tue05:59 AM162.206H cm
06/18Tue12:16 PM14.216L cm
06/18Tue06:38 PM194.47H cm
06/19Wed01:13 AM22.507L cm
06/19Wed06:48 AM163.484H cm
06/19Wed01:03 PM9.055L cm
06/19Wed07:23 PM201.187H cm
06/20Thu02:01 AM15.719L cm
06/20Thu07:35 AM165.805H cm
06/20Thu01:50 PM4.156L cm
06/20Thu08:06 PM206.898H cm
06/21Fri02:48 AM9.265L cm
06/21Fri08:20 AM168.561H cm
06/21Fri02:38 PM-0.203L cm
06/21Fri08:48 PM211.105H cm
06/22Sat03:33 AM3.502L cm
06/22Sat09:05 AM171.228H cm
06/22Sat03:26 PM-3.615L cm
06/22Sat09:31 PM213.368H cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
06/18 Tue 12:00PM3.94252.13
06/18 Tue 03:00PM4.94279.21
06/18 Tue 06:00PM6.88277.29
06/18 Tue 09:00PM6.67276.5
06/19 Wed 12:00AM5.47264.18
06/19 Wed 03:00AM4.83267.44
06/19 Wed 06:00AM4.2274.08
06/19 Wed 09:00AM4.66273.34
06/19 Wed 12:00PM3.91236.36
06/19 Wed 03:00PM6.27266.57
06/19 Wed 06:00PM7.26271.67
06/19 Wed 09:00PM5.97278.32
06/20 Thu 12:00AM4.9261.49
06/20 Thu 03:00AM4.43257.56
06/20 Thu 06:00AM5.06267.73
06/20 Thu 09:00AM3.55244.93
06/20 Thu 12:00PM3.77236.77
06/20 Thu 03:00PM5.89264.53
06/20 Thu 06:00PM6.69277.33
06/20 Thu 09:00PM6.46275.22
06/21 Fri 12:00AM4.76258.17
06/21 Fri 03:00AM3.65246.03
06/21 Fri 06:00AM3.42255.17
06/21 Fri 09:00AM2.82210.2
06/21 Fri 12:00PM3.98223.5
06/21 Fri 03:00PM5.55264.41
06/21 Fri 06:00PM5.36278.61
06/21 Fri 09:00PM5.17292.09
06/22 Sat 12:00AM3.58285.79
06/22 Sat 03:00AM2.79304
06/22 Sat 06:00AM2.41325.42
06/22 Sat 09:00AM1.01357
* : UTC Timezone, Speed in meters per sec, and True Direction