Wednesday, November 28, 2018

Port Gamble

There is a neat little beach hidden at the bottom of Teekalet Bluff in Port Gamble. People often stop to take in the view from the top, since it's a great place to monitor everything coming in and out of Hood Canal -- war canoes, sailing ships, nuclear submarines. But not so many people visit this little beach. I've known it was here for a long time, but this was the first time I'd actually checked it out.

AERIAL VIEW

When the northern shoreline of Port Gamble was developed, fill was extended out over the beach and protected with large rock (and other junk). This projection blocks the eastward drift and over time, a small wedge of beach has built out in front of the forested toe of the bluff.

I doubt there's much sediment being transported along this shoreline. It's at the end of a long littoral cell that begins farther south on Hood Canal, but I suspect the transport rates are higher where the southerly waves can act more effectively. Much of the sediment probably stalls out in the vicinity of Salsbury Point (a mile west of here), since there isn't much wave action to urge it along this north-facing shoreline (something similar happens between Point Elliott in Mukilteo and the Port of Everett, so I suppose this beach is a bit analogous to Pigeon Creek Beach), though none of this probably makes sense unless you look at the map).

It's possible that some of the sediment on this beach now makes itself around the riprap, but the fill extends into relatively deep water and I'd expect any excess material gets lost offshore. There is a small accidental beach tucked into the northwest side of the jetty a little farther east (bottom photo), but it doesn't show much evidence of continuing to accumulate sediment.

Here's another post from Port Gamble from a few years ago:
Teekalet: August 2014








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