CONTINUATION OF DUWAMISH WATERWAY 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 CONTINUATION OF DUWAMISH WATERWAY 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-122.34
Min Latitude47.51
Max Longitude-122.30
Max Latitude47.54
Edition Label 119
Edition Label 21
Edition Label 346
* some Stats may include nearby/connecting waterbodies
Nearby Tide Station Duwamish Waterway, Eighth Ave. South
Distance from center: 1 km
Weekly High / Low Tide Table
06/14Fri12:00 AM328.153H cm
06/14Fri07:08 AM122.783L cm
06/14Fri12:00 PM200.634H cm
06/14Fri05:29 PM100.679L cm
06/15Sat12:33 AM323.824H cm
06/15Sat07:51 AM90.011L cm
06/15Sat01:36 PM207.502H cm
06/15Sat06:27 PM141.878L cm
06/16Sun01:06 AM319.591H cm
06/16Sun08:27 AM56.295L cm
06/16Sun03:11 PM230.027H cm
06/16Sun07:33 PM178.398L cm
06/17Mon01:38 AM315.326H cm
06/17Mon09:00 AM23.436L cm
06/17Mon04:25 PM260.203H cm
06/17Mon08:43 PM206.641L cm
06/18Tue02:09 AM311.29H cm
06/18Tue09:32 AM-7.169L cm
06/18Tue05:20 PM289.311H cm
06/18Tue09:48 PM225.892L cm
06/19Wed02:40 AM308.028H cm
06/19Wed10:05 AM-34.475L cm
06/19Wed06:03 PM313.161H cm
06/19Wed10:43 PM237.646L cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
06/15 Sat 12:00PM4.2112.42
06/15 Sat 03:00PM4.148.31
06/15 Sat 06:00PM4.4934.64
06/15 Sat 09:00PM4.3443.38
06/16 Sun 12:00AM5.322.89
06/16 Sun 03:00AM3.8825.7
06/16 Sun 06:00AM2.28355.25
06/16 Sun 09:00AM2.11357.71
06/16 Sun 12:00PM1.860.56
06/16 Sun 03:00PM2.06358.03
06/16 Sun 06:00PM2.11336.14
06/16 Sun 09:00PM2.66223.04
06/17 Mon 12:00AM2.41155.21
06/17 Mon 03:00AM2.31166.16
06/17 Mon 06:00AM0.32244.65
06/17 Mon 09:00AM0.05125.73
06/17 Mon 12:00PM0.8339.64
06/17 Mon 03:00PM1.520.46
06/17 Mon 06:00PM2.47352.89
06/17 Mon 09:00PM2.25353.21
06/18 Tue 12:00AM0.98346.75
06/18 Tue 03:00AM0.34284
06/18 Tue 06:00AM1.6822.9
06/18 Tue 09:00AM1.63359.53
06/18 Tue 12:00PM1.0413.28
06/18 Tue 03:00PM0.7217.08
06/18 Tue 06:00PM1.5181.42
06/18 Tue 09:00PM2.67165.85
06/19 Wed 12:00AM3.62152.66
06/19 Wed 03:00AM2.67168.57
06/19 Wed 06:00AM2.13193.7
06/19 Wed 09:00AM1.92202.31
* : UTC Timezone, Speed in meters per sec, and True Direction