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Duwamsih Waterway

Waterway information
Preview Duwamsih Waterway

Kind:
Inland

Driving areas:
🇺🇸 United States of America

Length:
43.1 km¹
¹River kilometers or bank length recorded in NavShip, including river arms and harbor entrances.

Availability:
Completely recorded
Recent Update: 04.04.2025²
² This date indicates when an adjustment last took place in the course of the body of water

Recorded:
Locks: 0
Harbours / marinas: 3
Bridges: 7
Berths: 2
Slipways: 5
Fuelstations: 0

Route:

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Route Duwamsih Waterway

Request waterway overview map with symbol legend here (Link).

Information about data associated with this body of water (17 available):
Data by OpenSeaMap (c) OSM contributors, www.openseamap.org
#KindCoordinatesNameInformation
1Marina47.51856,-122.307472022-04-28T16:27:34Z
2Marina47.52787,-122.312542022-04-28T16:27:34Z
3Marina47.56979,-122.348472024-03-28T22:34:03ZHarbor Island Marina
https://www.portseattle.org/Marinas/Harbor-Island-Marina/Pages/default.aspx
4Bridge47.46573,-122.24768UnknownClearance height: 2022-07-15T21:37:16Z m
Movable bridge (e.g. lifting bridge or drawbridge)
footbridge
5Bridge47.46789,-122.24882UnknownClearance height: 2022-07-15T21:37:16Z m
footbridge
6Bridge47.47385,-122.251981Clearance height: 2024-06-14T17:47:22Z m
Movable bridge (e.g. lifting bridge or drawbridge)
footbridge
7Bridge47.497,-122.28132UnknownClearance height: 2022-07-15T21:37:16Z m
Movable bridge (e.g. lifting bridge or drawbridge)
footbridge
8Bridge47.50066,-122.28837UnknownClearance height: 2025-02-10T06:32:03Z m
footbridge
9Bridge47.50022,-122.29475UnknownClearance height: 2022-07-15T21:37:16Z m
Movable bridge (e.g. lifting bridge or drawbridge)
footbridge
10Bridge47.50292,-122.2972UnknownClearance height: 2022-07-15T21:37:16Z m
Movable bridge (e.g. lifting bridge or drawbridge)
footbridge
11Slipway47.53146,-122.31976small_craft_facility2013-05-12T15:22:06Z
manually
12Slipway47.55999,-122.35029small_craft_facility2024-07-04T08:54:27Z
manually
13Slipway47.55999,-122.35029small_craft_facility2024-07-04T08:54:27Z
manually
14Slipway47.59276,-122.38212small_craft_facility2025-01-08T03:00:42Z
Don Armeni Boat Ramp
manually,winch
Su-Sa 06:00-22:00
15Slipway47.63212,-122.39899small_craft_facility2017-07-25T19:00:33Z
32nd Avenue West Boat Launch
manually
16Berth47.60784,-122.379322022-07-21T02:03:41ZSeattle Anchorage
unrestricted
17Berth47.62869,-122.402332018-08-21T18:31:25Z



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