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 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’.


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



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
Distance from center: 2 km
Weekly High / Low Tide Table
09/26Sun12:17 AM178H cm
09/26Sun06:28 AM33L cm
09/26Sun12:35 PM198H cm
09/26Sun07:00 PM49L cm
09/27Mon01:04 AM171H cm
09/27Mon07:09 AM40L cm
09/27Mon01:23 PM194H cm
09/27Mon07:46 PM55L cm
09/28Tue01:54 AM166H cm
09/28Tue07:56 AM46L cm
09/28Tue02:15 PM192H cm
09/28Tue08:39 PM60L cm
09/29Wed02:46 AM165H cm
09/29Wed08:51 AM49L cm
09/29Wed03:08 PM192H cm
09/29Wed09:40 PM59L cm
09/30Thu03:39 AM166H cm
09/30Thu09:52 AM47L cm
09/30Thu04:03 PM195H cm
09/30Thu10:41 PM54L cm
10/01Fri04:34 AM171H cm
10/01Fri10:54 AM41L cm
10/01Fri04:57 PM201H cm
10/01Fri11:37 PM44L cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
09/27 Mon 06:00AM1.4450.78
09/27 Mon 09:00AM1.8596.55
09/27 Mon 12:00PM1.49112.64
09/27 Mon 03:00PM0.8943.11
09/27 Mon 06:00PM3.67335.1
09/27 Mon 09:00PM4.27342.06
09/28 Tue 12:00AM3354.92
09/28 Tue 03:00AM2.635.15
09/28 Tue 06:00AM2.1927.95
09/28 Tue 09:00AM1.7779.47
09/28 Tue 12:00PM1.7795.88
09/28 Tue 03:00PM1.8463.55
09/28 Tue 06:00PM2.454.9
09/28 Tue 09:00PM4.36350.96
09/29 Wed 12:00AM2.863.64
09/29 Wed 03:00AM2.7620.55
09/29 Wed 06:00AM2.5544.72
09/29 Wed 09:00AM2.1482.86
09/29 Wed 12:00PM1.9784.33
09/29 Wed 03:00PM1.8772.45
09/29 Wed 06:00PM1.626.81
09/29 Wed 09:00PM3.92345.45
09/30 Thu 12:00AM2.7211.24
09/30 Thu 03:00AM2.6729.06
09/30 Thu 06:00AM2.1547.63
09/30 Thu 09:00AM1.9784.21
09/30 Thu 12:00PM1.7680.98
09/30 Thu 03:00PM1.675.31
09/30 Thu 06:00PM2.88346
09/30 Thu 09:00PM4.09343.62
10/01 Fri 12:00AM2.6414.06
10/01 Fri 03:00AM2.4827.13
* : UTC Timezone, Speed in meters per sec, and True Direction