These are adapted from some guitar chords I found on Chordie. They didn’t sound exactly right so I played around with them a little bit.
Here’s my version: Seaside Chords
For the last verse, they do some finger picking along with the strumming. I emulate it by fretting the chords and then picking this pattern: (I’m referring [...]

This tab was submitted by Spike.
-0-0-5h6p5-0———-0————3——– -7-5—5————–
—————–5h6p5———-3——-5—— ——7—7-6-5-3—–
—————————–4-3—-4———– ———————–
————————————————-x4 ———————–x1
———–10-12-10-12———–7-5———–
-0-0-0-0—————–0-0-0-0——7-6——
—————————————————-
—————————————————-x4
————————————-10-7———-
-0-0-0-0-0-0-0-0-0-0-0-0-7-6—————–
—————————————————-
—————————————————-x4
-3-0-0-0-3-5-3–3-0-0-0-3-5-3–3-0-0-0-3-5-3–5-3—————–
————————————————————-5-4-3———
——————————————————————–4-3-2–
—————————————————————————–x1
-3-0-0-0-3-5-3–3-0-0-0-3-5-3–3-0-0-0-3-5-3–7-5—5————
————————————————————-7—7-6-5-3–
—————————————————————————–
—————————————————————————–x1
-7-5—5————–
——7—7-6-5-3—–
———————–
———————–x1
-10—9-8—————————————–
————0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-
—————————————————-
—————————————————-x4