A large packet-boat dominates the center of the scene, its sails raised but slack in the still air, with a red flag fluttering at the masthead. Crowds of figures gather on the deck and along the sides of the boat, some seated, others standing or leaning over the rail, their forms animated in conversation and activity. To the left, more sailing boats drift on the calm water, their reflections shimmering on the glassy surface, which mirrors the pale sky above.

On the right, a narrow strip of marshy land is dotted with reeds and a single boat with a white sail, where two figures sit quietly at its stern. The distant skyline of Dordrecht rises beyond the water, with the distinctive towers of the city faintly visible in the haze, anchoring the scene in a specific place. A golden light suffuses the painting, illuminating the sails and casting long shadows across the water, while the sky is filled with delicate clouds tinged with yellow and grey.

Turner's brushwork is fluid and precise, especially in the rendering of the water's surface and the subtle gradations of the sky, while the boats and figures are described with sharper, more controlled strokes. The composition is carefully balanced, with the main packet-boat slightly off-center, flanked by smaller vessels and the cityscape, creating a sense of depth and spaciousness. Tiny details, such as a bird skimming the water in the foreground and the intricate rigging of the boats, reward close inspection.

A small rowboat crowded with figures in dark and light clothing sits close to the stern of the central packet-boat, its oars dipping gently into the water. On the far left edge, another vessel with brown sails glides into the scene, its hull and rigging rendered in soft, loose strokes. The right foreground is lined with tall, golden reeds that catch the sunlight, their reflections stretching into the still water below.

The upper right corner of the sky is filled with pale, billowing clouds tinged with warm yellow, while a few distant birds are painted with fine, delicate lines.