The Scheldes mouth Johannes Hermanus Koekkoek

The picture has something of this: people, water, vehicle, group, beach, watercraft, sea, seashore, recreation, ocean, man, transportation system, leisure, daylight, outdoors, sky, many, mammal.
Perhaps it’s a painting of a group of people standing on a beach next to a body of water with boats in the water and onlookers in the background.