A little bit more:
Now our steady boat is ready, get her into motion
Let him steer who knows no fear upon the trackless ocean
Fetch the cup and fill it up and to this toast responding
The health of all, both great and small,

That's where I gave up years ago, though I seem to remember the song wasn't too difficult. It's on The McCalmans' live album 'House Full', which my record player refused to play. I've since got a copy on CD, so I may have another go soon, but don't hold your breath, anyone!