This charming piece by Dorothy Howell captures the swaying motion of a boat on calm water through melodic lines. It is distinguished by its delicate harmonic colorings typical of the early 20th-century British light music tradition.
Focus on maintaining a seamless, singing melody while shaping the gentle rocking motion of the accompaniment.
Comparable difficulty and character — good candidates for what to learn next.
Boat Song is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 4.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of Boat Song lasts about 3 minutes.
Boat Song is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Berceuse by William G. Ross, Berceuse by Paul Lacôme d'Estalenx, Allegro sereno in D major by Marco Anzoletti — see the full similar-pieces list on this page.