SHERMAN ISLAND INSET (Marine Chart : US18661_P1856)

SHERMAN ISLAND INSET 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 SHERMAN ISLAND INSET 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.



Min Longitude-121.76
Min Latitude38.01
Max Longitude-121.72
Max Latitude38.04
Edition Label 130
Edition Label 21
Edition Label 3172
* some Stats may include nearby/connecting waterbodies
Nearby Tide Station Threemile Slough
Distance from center: 7 km
Weekly High / Low Tide Table
06/17Mon12:41 AM116.581H cm
06/17Mon08:19 AM8.355L cm
06/17Mon01:59 PM77.724H cm
06/17Mon06:39 PM38.236L cm
06/18Tue01:02 AM123.53H cm
06/18Tue09:10 AM2.767L cm
06/18Tue02:59 PM82.425H cm
06/18Tue07:20 PM48.007L cm
06/19Wed01:26 AM130.962H cm
06/19Wed09:57 AM-0.938L cm
06/19Wed03:56 PM87.568H cm
06/19Wed08:05 PM56.422L cm
06/20Thu01:56 AM137.788H cm
06/20Thu10:41 AM-3.409L cm
06/20Thu04:50 PM92.249H cm
06/20Thu08:54 PM62.375L cm
06/21Fri02:34 AM142.928H cm
06/21Fri11:24 AM-5.393L cm
06/21Fri05:39 PM95.877H cm
06/21Fri09:47 PM65.038L cm
06/22Sat03:18 AM145.638H cm
06/22Sat12:04 PM-7.369L cm
06/22Sat06:26 PM98.241H cm
06/22Sat10:43 PM64.148L cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
06/18 Tue 12:00AM6.46158.39
06/18 Tue 03:00AM3.71115.74
06/18 Tue 06:00AM2.7262.81
06/18 Tue 09:00AM3.0367.15
06/18 Tue 12:00PM2.3573.63
06/18 Tue 03:00PM2.73124.26
06/18 Tue 06:00PM4.13147.61
06/18 Tue 09:00PM3.97110
06/19 Wed 12:00AM5.2191.31
06/19 Wed 03:00AM559.01
06/19 Wed 06:00AM4.0361.98
06/19 Wed 09:00AM2.6840.1
06/19 Wed 12:00PM2.9648.78
06/19 Wed 03:00PM2.7663.65
06/19 Wed 06:00PM2.8174.7
06/19 Wed 09:00PM4.0393.71
06/20 Thu 12:00AM5.7674.91
06/20 Thu 03:00AM4.7955.2
06/20 Thu 06:00AM3.6460.05
06/20 Thu 09:00AM2.5152.2
06/20 Thu 12:00PM2.0865.37
06/20 Thu 03:00PM2.2873.3
06/20 Thu 06:00PM2.98120.37
06/20 Thu 09:00PM3.92125.01
06/21 Fri 12:00AM5.58102.42
06/21 Fri 03:00AM4.5666.25
06/21 Fri 06:00AM3.9568.16
06/21 Fri 09:00AM2.851.51
06/21 Fri 12:00PM2.2873.34
06/21 Fri 03:00PM2.3189.1
06/21 Fri 06:00PM3.15133.8
06/21 Fri 09:00PM4.5122.63
* : UTC Timezone, Speed in meters per sec, and True Direction