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 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
09/27Tue05:08 AM106.066H cm
09/27Tue11:14 AM17.226L cm
09/27Tue05:01 PM119.564H cm
09/28Wed12:15 AM11.474L cm
09/28Wed05:58 AM101.594H cm
09/28Wed11:45 AM22.976L cm
09/28Wed05:28 PM126.685H cm
09/29Thu12:59 AM9.249L cm
09/29Thu06:53 AM96.172H cm
09/29Thu12:22 PM29.883L cm
09/29Thu06:03 PM131.752H cm
09/30Fri01:50 AM8.776L cm
09/30Fri08:00 AM90.586H cm
09/30Fri01:06 PM37.617L cm
09/30Fri06:45 PM133.189H cm
10/01Sat02:55 AM9.534L cm
10/01Sat09:20 AM86.825H cm
10/01Sat01:58 PM45.288L cm
10/01Sat07:34 PM130.512H cm
10/02Sun04:13 AM9.685L cm
10/02Sun10:42 AM87.054H cm
10/02Sun03:05 PM51.28L cm
10/02Sun08:35 PM124.674H cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
09/28 Wed 06:00AM3.2466.08
09/28 Wed 09:00AM3.2464
09/28 Wed 12:00PM2.566.08
09/28 Wed 03:00PM2.3246.54
09/28 Wed 06:00PM2.6672.58
09/28 Wed 09:00PM4.8299.54
09/29 Thu 12:00AM5.4688.3
09/29 Thu 03:00AM4.6266.26
09/29 Thu 06:00AM2.7852.79
09/29 Thu 09:00AM2.8662.75
09/29 Thu 12:00PM2.1174.53
09/29 Thu 03:00PM1.8383.88
09/29 Thu 06:00PM2.84140.86
09/29 Thu 09:00PM3.39135.16
09/30 Fri 12:00AM2.95115.65
09/30 Fri 03:00AM2.876.19
09/30 Fri 06:00AM2.7768.12
09/30 Fri 09:00AM1.7574.37
09/30 Fri 12:00PM2.19109.68
09/30 Fri 03:00PM1.9119.31
09/30 Fri 06:00PM3.7160.28
09/30 Fri 09:00PM3.06148.13
10/01 Sat 12:00AM2.58142.76
10/01 Sat 03:00AM3.277.18
10/01 Sat 06:00AM3.0863.71
10/01 Sat 09:00AM2.1164.89
10/01 Sat 12:00PM2.1277.83
10/01 Sat 03:00PM1.9184.31
10/01 Sat 06:00PM2.74136.58
10/01 Sat 09:00PM3.4129.89
10/02 Sun 12:00AM4.13113.81
10/02 Sun 03:00AM3.5474.99
* : UTC Timezone, Speed in meters per sec, and True Direction