
Ahoy Muggles!
I'm extremely excited to be back on MMM, and that's no exaggeration! And speaking of exaggerating, I do a good amount of fishing in and around Boston Harbor, and I can attest to the fact that many anglers (myself included

I'd like to thank @Abide, @Al Sisti, @Whimsy, @boharr, and @Joe Ross for their pretesting and technical help.
The meta answer is a 7-letter word.
"The One that Got Away" - Crosshare (NOTE: If you enjoy solving on Crosshare, help keep the site running by donating a few bucks).
"The One That Got Away" - PUZ
"The One That Got Away" - PDF
"The One That Got Away" - Spreadsheet

Difficulty - On a scale of 1 to 5, I'd have to rate this one a 7. Oops, there I go again! It's more like a level 3 or "A Bit Choppy".
Nudges are here.
Reveal is here.
Good luck!
Cap'n Rick
PS - Mrs. Cap'n (aka "The Admiral") and I are currently in 28-Down (Hi @MaineMarge!) doing some holiday shopping and searching for our Christmas tree. I may be a little slow in responding to PMs, but please don't hesitate to contact me if you have any questions or would like some 46-Across.