How can I create an ocean with swells and waves crashing into a breakwater?

An easy way to do this is to sculpt the swells onto the base of the diorama using small strips of plaster cloth or other modeling material. This allows greater freedom to apply more detail with a lot less effort than trying to do it all with water product. Paint with shades of blue and white.

Brush on Realistic Water, allow it to cure and reapply. This may take several coats. You can then layer on the Water Effects.

Allow each layer to cure before applying the next. This is very effective for creating a rough water scene and you still get the illusion of depth because of the layering. You can use fiber from cotton balls to create crashing waves by dipping pieces into water effects and applying to the scene.

Once this cures, brush on more water effects to augment the crashing waves. Also, small pieces of cellophane wrap can be crunched up and applied with Water Effects to create waves and other rough water. Once this is applied, brush on Realistic Water to create the detail.

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