This is mostly just the same chords repeated until the end, with the only 
exception being the bridge.

I recommend coming into the song on an upstroke.

Intro:
G|C D|G|C D
G|C D|G|C D

G (320003@1)             C (x32010@1)     DWell (xx0232@1)old Lukey's boat is painted green,
G (320003@1)         CD
Ha, me boys!
G (320003@1)             C (x32010@1)     DLukey's (xx0232@1)boat is painted green,
    Em (022000@1)                       C (x32010@1)  DThe (xx0232@1)prettiest boat that you've ever seen,
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!

G|C D

G (320003@1)                  C (x32010@1)       DWell (xx0232@1)oh, Lukey's boat's got a fine fore cutty,
G (320003@1)         CD
Ha, me boys!
G (320003@1)                  C (x32010@1)       DLukey's (xx0232@1)boat's got a fine fore cutty,
    Em (022000@1)          C (x32010@1)          DAnd (xx0232@1)every seam is chinked with putty,
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  
A-ha, me boys A-riddle-i-day!
    C (x32010@1)    D (xx0232@1)G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
Altogether, A-ha, me boys a-riddle-i-day!

G|C D

G (320003@1)               C (x32010@1)        DWell (xx0232@1)I says "Lukey the blinds are down"
G (320003@1)         CD
Ha, me boys!
G (320003@1)               C (x32010@1)        DI (xx0232@1)says "Lukey the blinds are down"
    Em (022000@1)                   C (x32010@1)  D"Me (xx0232@1)wife is dead and she's underground"
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys A-riddle-i-day!
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!

G|C D

G (320003@1)           C (x32010@1)     DWell (xx0232@1)I says Lukey "I don't care"
G (320003@1)         CD
Ha, me boys!
G (320003@1)           C (x32010@1)     DI (xx0232@1)says Lukey "I don't care"
      Em (022000@1)                  C (x32010@1)           D"I'll (xx0232@1)get me another in the spring of the year"
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys A-riddle-i-day!

Bridge:
G|G|C C/Bm|A/D D|
G|G|C C/Bm|A/D G|
G|G|C C/Bm|A/D D|
G|G|C C/Bm|A/D G|
G|G|F|F|
G|G|C C/Bm|A/D G|
G|G|F|F|
G|G|C C/Bm|A/D G|

C (x32010@1)     DWell (xx0232@1)old Lukey's rolling out his grub,
G (320003@1)         CD
Ha, me boys!
G (320003@1)             C (x32010@1)     DLukey's (xx0232@1)rolling out his grub,
Em (022000@1)               C (x32010@1)       DOne (xx0232@1)split pea in a ten pound tub,
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys A-riddle-i-day!
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!

G (320003@1)                C (x32010@1)         DWell, (xx0232@1)Lukey's boat's got high-topped sails,
G (320003@1)         CD
Ha, me boys!
G (320003@1)                C (x32010@1)         DLukey's (xx0232@1)boat's got high-topped sails,
    G (320003@1)                     C (x32010@1)      DThe (xx0232@1)sheet was planched with copper nails,
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  CD
A-ha, me boys a-riddle-i-day!

G (320003@1)             C (x32010@1)     DLukey's (xx0232@1)boat is painted green,
G (320003@1)         CD
Ha, me boys!
G (320003@1)             C (x32010@1)     DLukey's (xx0232@1)boat is painted green,
    Em (022000@1)                       C (x32010@1)  DThe (xx0232@1)prettiest boat that you've ever seen,
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  
A-ha, me boys a-riddle-i-day! 
    C (x32010@1)    D (xx0232@1)G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  
Altogether, A-ha, me boys a-riddle-i-day! 
  G (320003@1)    C (x32010@1)    D (xx0232@1)     G (320003@1)  
A-ha, me boys a-riddle-i-day!
    C (x32010@1) D (xx0232@1) G(hold) (320003@1)  
One more, A-ha, me boys a riddle-i-day!