Washington / Harbor Island Reach /
Duwamish Public Access, Terminal 105
Duwamish Public Access, Terminal 105 is a public kayak and canoe launch on Harbor Island Reach near Seattle, Washington.
- Tidal
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Carry-in (canoe and kayak)
- Car parking
- Yes (unpaved)
- Tidal
- Yes
- Coordinates
- 47.56788, -122.35402
Channel depths in feet from the Army Corps' surveys (Seattle District; the one nearest this launch is of February 10, 2026). Not for navigation.
Boating rules
- No-discharge zone: WAC 173-228 bans vessel sewage discharges, whether treated or not, in the No Discharge Zone. It became effective May 10, 2018. · all of Harbor Island Reach rule
From the boating rules map of Washington Department of Ecology, read October 20, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Conditions
- Weather forecast for this launch · National Weather Service
- Tide predictions at Lockheed Shipyard, Harbor Island · NOAA, 1.2 mi away
Marine advisories
Advisories in effect load here; without them, see the NWS zone forecast below.
National Weather Service marine zone PZZ135, Puget Sound and Hood Canal. Zone forecast: winds, seas, warnings.
Tides
Predicted highs and lows at NOAA's Lockheed Shipyard, Harbor Island station, 1.2 mi from this launch, in local time above MLLW. Predictions, not observations: wind and weather move the real tide. Full predictions at NOAA.
| Mon Nov 2 | Low 4:02 am 0.2 ft · High 11:54 am 11.5 ft · Low 6:25 pm 6.0 ft · High 10:46 pm 8.0 ft |
|---|---|
| Tue Nov 3 | Low 5:11 am 1.3 ft · High 12:43 pm 11.6 ft · Low 7:21 pm 4.5 ft |
| Wed Nov 4 | High 12:29 am 8.1 ft · Low 6:20 am 2.4 ft · High 1:23 pm 11.7 ft · Low 8:05 pm 2.9 ft |
| Thu Nov 5 | High 1:56 am 8.7 ft · Low 7:25 am 3.4 ft · High 1:55 pm 11.7 ft · Low 8:42 pm 1.5 ft |
| Fri Nov 6 | High 3:06 am 9.5 ft · Low 8:23 am 4.4 ft · High 2:23 pm 11.6 ft · Low 9:15 pm 0.3 ft |
| Sat Nov 7 | High 4:04 am 10.3 ft · Low 9:16 am 5.3 ft · High 2:49 pm 11.4 ft · Low 9:45 pm -0.7 ft |
| Sun Nov 8 | High 4:55 am 10.9 ft · Low 10:05 am 6.2 ft · High 3:14 pm 11.1 ft · Low 10:15 pm -1.3 ft |
Channel survey
The Army Corps surveys the channels it maintains and posts every survey.
- Duwamish Waterway · 0.1 mi from this launch
Condition survey of February 10, 2026 by the Seattle District. Least depth in the channel: 11 ft below mean lower low water (MLLW); project depth 30 ft. Survey sheet (PDF)
US Army Corps of Engineers hydrographic surveys, from eHydro. A survey shows the bottom on the day it was made; channels shoal after high water and change with dredging. Not for navigation.
On Harbor Island Reach
Bay in Washington. All launches on Harbor Island Reach.
Community
Where people who use Harbor Island Reach talk about it.
Nearby launches
- Diagonal St South Pacific Access · 0.7 mi · Duwamish River
- Seacrest Park · 1.9 mi · Elliott Bay
- 1st Avenue South Bridge Boat Launch · 2.0 mi · Duwamish River
- Don Armeni Boat Ramp · 2.2 mi · Elliott Bay
- Alki Beach Park · 2.3 mi · Elliott Bay
- SW Andover St End · 2.5 mi · Puget Sound
Sources
- Washington Ecology Shoreline Public Access sites with a boat launch (Puget Sound and the coast) record WS13700 · Washington Department of Ecology, Category 1 public information; use of Ecology data with credit to Ecology and a link to the data page; commercial and political use prohibited
Why it is listed as public: listed by Washington Ecology Shoreline Public Access sites with a boat launch (Puget Sound and the coast). Something wrong, or is this launch private? Send a correction; it goes to a person.