A worldwide community photographing and learning about wildlife
Lovely. It appears you have this image posted twice. Please remove one of them :-). I believe this is more likely a Harbor Seal. The body shape and color of the adult seem more consistent. Here are some more references.
https://en.wikipedia.org/wiki/California... (for comparison)
https://en.wikipedia.org/wiki/Harbor_sea...
http://marinebio.org/species.asp?id=158