City of Des Moines issued the following announcement on Nov. 7.
Beginning November 16th 2020 the entrance channel to the Marina will be CLOSED to ALL vessel traffic for emergency dredging. This may take up to 1 week to complete. Tenants: Please make prior arrangements for your vessel at an alternate location should you need/want access to Puget Sound during this time. If you have any questions, please don’t hesitate calling or emailing the Marina office. 206-824-5700 | marinainfo@desmoineswa.gov
Original source can be found here.