Kissing the Moon
The Herring NetFog Warning
The last painting, Shark Fishing, 1885, is a watercolor.
Homer's work as an illustrator seems to have given him a wonderful eye for image-making. He makes strong, iconic images that reproduce well, and would not be out-competed by text.
This is due to: interesting viewpoints, simplicity of design, zooming in to the subject, strong tonal contrasts, and energetic lines.