TONGASS NARROWS (Marine Chart : US17430_P2748)

TONGASS NARROWS 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 TONGASS NARROWS 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-131.80
Min Latitude55.33
Max Longitude-131.63
Max Latitude55.42
Edition Label 112
Edition Label 21
Edition Label 325
* some Stats may include nearby/connecting waterbodies
Nearby Tide Station Ward Cove
Distance from center: 2 km
Weekly High / Low Tide Table
01/22Sat03:20 AM464.439H cm
01/22Sat09:09 AM99.053L cm
01/22Sat03:09 PM459.585H cm
01/22Sat09:30 PM9.22L cm
01/23Sun03:56 AM465.986H cm
01/23Sun09:56 AM96.89L cm
01/23Sun03:55 PM426.88H cm
01/23Sun10:09 PM42.401L cm
01/24Mon04:36 AM466.402H cm
01/24Mon10:52 AM94.767L cm
01/24Mon04:52 PM390.97H cm
01/24Mon10:55 PM81.205L cm
01/25Tue05:24 AM466.189H cm
01/25Tue11:59 AM88.829L cm
01/25Tue06:05 PM360.423H cm
01/25Tue11:51 PM120.278L cm
01/26Wed06:21 AM467.634H cm
01/26Wed01:16 PM72.802L cm
01/26Wed07:35 PM348.937H cm
01/27Thu01:03 AM150.497L cm
01/27Thu07:29 AM475.446H cm
01/27Thu02:35 PM42.675L cm
01/27Thu09:04 PM364.315H cm

Marine Wind Meteogram for Lake/Chart

For real time, interactive Marine Wind prediction, download App
Date/TimeSpeed *Dir *
01/24 Mon 12:00AM1.61273.54
01/24 Mon 03:00AM1.79278.94
01/24 Mon 06:00AM1.07285.05
01/24 Mon 09:00AM1.4244.59
01/24 Mon 12:00PM0.96248.4
01/24 Mon 03:00PM0.75147.81
01/24 Mon 06:00PM0.85277.57
01/24 Mon 09:00PM0.5300.32
01/25 Tue 12:00AM0.66330.87
01/25 Tue 03:00AM1.21305.84
01/25 Tue 06:00AM2.12312.02
01/25 Tue 09:00AM2.82317.34
01/25 Tue 12:00PM3.12315.86
01/25 Tue 03:00PM2.25299.1
01/25 Tue 06:00PM2.17302.33
01/25 Tue 09:00PM2.06314.8
01/26 Wed 12:00AM1.99277.51
01/26 Wed 03:00AM1.77291.71
01/26 Wed 06:00AM1.31281.71
01/26 Wed 09:00AM1.57157.84
01/26 Wed 12:00PM2.18170.48
01/26 Wed 03:00PM1.94178.94
01/26 Wed 06:00PM1.75194.13
01/26 Wed 09:00PM1.71171.06
01/27 Thu 12:00AM0.89194.71
01/27 Thu 03:00AM1.06281.26
01/27 Thu 06:00AM1.69294.09
01/27 Thu 09:00AM2.4299.68
01/27 Thu 12:00PM2.36300.74
01/27 Thu 03:00PM2.43297.6
01/27 Thu 06:00PM2.42300.23
01/27 Thu 09:00PM2.51313.21
* : UTC Timezone, Speed in meters per sec, and True Direction