About Spinnaker Bay Marina
Located on south Lake Washington Spinnaker Bay Marina provides easy access to Seattle and surrounding communities. The docks were rebuilt in 2003 making the marina one of the newest facilities on Lake Washington. The Marina consists of 47 slips, pump out station, ample secured parking plus guest parking, secured access to the docks, and on-site management. All slips are 30 feet in length with water and power available.
Installations
COORDINATES
47.52102 N, -122.26085 E
Port Information
Berth Sizes
< 10m, 10-20m
Manœuvrabilité
Good
Channel Marking
Excellent
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Tue
5AM - 9AM
12 May 2026
- Light and variable.
- Increasing from 8 to 14°C
- Calm sea
- UV Index: 0 - Low
- Cloudy
Tue
9AM - 1PM
12 May 2026
- Light and variable.
- Increasing from 15 to 25°C
- Calm sea
- UV Index: 6 - High
- Cloudy
Tue
1PM - 5PM
12 May 2026
- W 5 knots increasing to 7 knots.
- 24 to 28°C
- Calm sea
- UV Index: 6 - High
- Cloudy
