Standard Tuning EADGBe
I did this by ear over a span of a few days. Feel free to leave feedback and please rate :]

Intro:
e|------0--------0--------0------|
B|------0--------0--------0------|
G|------6--------7--------11-----| x1
D|------7--------9--------12-----|
A|------5--------7--------10-----|
E|------X--------X--------X------|
       x8       x8        x16
Verse:
e|------0--------0--------0------|
B|------0--------0--------0------|
G|------6--------7--------11-----| x3   
D|------7--------9--------12-----|       
A|------5--------7--------10-----|
E|------X--------X--------X------|
       x8       x8        x16

e|------0--------0--------0------|
B|------0--------0--------2------|
G|------6--------7--------0------| x1
D|------7--------9--------2------|
A|------5--------7--------0------|
E|------X--------X--------X------|
       x8       x8       x16
Chorus:
sounds pretty accurate to me
e|------0--------0-----|
B|------0--------0-----|
G|------11-------7-----|
D|------12-------9-----|
A|------10-------7-----|
E|------X--------X-----|
       x16      x16 
The little background guitar part for the chorus
e|---10----9----7----5------2----3--| let each note ring a bit
B|-------------------------(3)--(3)-| notes in parentheses can be ignored 
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|----------------------------------|

Outro: Starts when he says "I am a ghost of great, the sea" up until the end of the song
e|------0--------0--------0------|
B|------0--------0--------0------|
G|------6--------7--------11-----| 
D|------7--------9--------12-----|
A|------5--------7--------10-----|
E|------X--------X--------X------|
       x8       x8        x16

The song ends on this chord
e|------0------|
B|------0------|
G|------6------|
D|------7------|
A|------5------|
E|------X------|

Intro
Verse
Chorus
Intro
Verse
Chorus
Intro
Outro