Port Townsend eel grass protection zone
In Port Townsend there is an eel grass protection zone where they don't want people to anchor in. There is a map on the Port of Port Townsend *.pdf file:
http://www.portofpt.com/EelGrass.pdf
Here is another link:
http://www.jcmrc.org/projects/project-pteelgrass.html
Fog: yes, there will be fog.
Wind: If the inland ever heats up (it's been a fairly cool and wet summer so far but that can change), the afternoon will likely have 35 to 40 knt westerly down the Strait.
So, for planning purposes: In the morning there can be no, or very little wind, and lots of dense fog. Then later in the morning the fog starts to burn off as the sea breeze sets in. In the afternoon the warm inland land mass sucks the cooler ocean air in and voila!, steamy whitecaps. Probably not fun to beat to weather in.
Port Townsend Chart:
http://www.charts.noaa.gov/OnLineViewer/18464.shtml
Strait of Juan de Fuca, Eastern Part:
http://www.charts.noaa.gov/OnLineViewer/18465.shtml
Protection Island: One is not allowed to go ashore there.
John Wayne Marina (Sequim Bay): South of the breakwater it is fairly shoal and then the bottom falls off pretty suddenly. There are local boats on mooring buoys that have figured out the swing radius so anchoring in that area will be a challenge. One may be able to get a slip at the marina or just find another area to anchor.
Chart with Sequim Bay:
http://www.charts.noaa.gov/OnLineViewer/18471.shtml
If you wind up staying over night here, this is a great place to hop across the Strait and go to Victoria.