Unlikely to be a WWII mine - Not enough seaweed and growth on it.
Sunkenship ping!
Sitting a little high in the water than typical?
So that is the much acclaimed but rarely seen “Flux Capacitor”!
“It looks just like a World War II mine,” said Tom Parks, a retired Navy master chief who snapped pictures as the corroded object bobbed by his Brownsville home.”
“The object was round and heavily rusted, with rods protruding from its surface. According to a Navy news release, “the unidentified moored mine was found to have decades of marine growth”
Thanks Robert A Cook PE for the ping and for the updates Gator113 and ameribbean expat.
[snip] The Navy says initial inspection of the moored mine showed it had decades of marine growth. [/snip]
Unexploded mine found floating near Naval Base Kitsap detonated
By: The Associated Press
https://www.navytimes.com/news/your-navy/2018/08/28/unexploded-device-floating-in-puget-sound-near-naval-base-kitsap/