From the broadside in the Bodleian collection. I have added punctuation, and boldfaced the words that are different from the version that Ian Kirk posted last.

JUST AS THE TIDE IS FLOWING

One morning in the month of May,
Down by a rolling river,
A jolly sailor he did stray,
Where he beheld some lover.
She carelessly along did stray,
Viewing of the daisies gay.
She sweetly sung her roundelay
Just as the tide was flowing.

Her dress it was white as milk,
And jewels did adorn her.
Her shoes was of the crimson silk,
Just like some lady of honour.
Her cheeks was red. Her eyes was brown,
Her hair in ringlets hanging down,
Her lovely brow without a frown,
Just as the tide was flowing.

I made a bow and said, "Fair maid,
How came you here so early?
My heart by you it is betrayed
And I could love you dearly.
I am a sailor come from sea.
If you will, accept my company
To walk and view the fishes play
Just as the tide is a-flowing."

No more we said but on our way
We both did gang together.
The small birds sung and the lambs did play
And pleasant was the weather.
We was weary, both sat down
Beneath a tree with branches round,
And what was done will ne'er be found,
Not while the tide is flowing.

But as she laid upon the grass,
Her colour it kept changing.
At last cried out this lovely lass,
"Ne'er let your mind be ranging."
She gave me twenty pounds in store,
Saying, "Meet me when you will, there's more.
My jolly sailor I adore.
Oh! How the tide is a-flowing!"

We both shook hands and off did steer.
Jack tar drinks rum and brandy.
To keep his shipmates in full cheer,
The lady's gold is handy.
With some other young girl he'll go
To a public house where the brandy flows.
Success to the girl that will do so
Where'er the tide is a-flowing.