What’s the foam you sometimes see along Britain’s coastlines?
![Coastal foam is often seen in warmer periods](https://environmentagency.blog.gov.uk/wp-content/uploads/sites/84/2024/05/IMG_20240516_200021857_AE-2-e1716302186976-620x568.jpg)
Have you ever been at the coast and noticed a frothy foam at the water’s edge? From April to August, it’s fairly common to see these discoloured, sometimes creamy-looking and bad smelling foamy patches in the sea. You might think …