Recovering from waves

Sita sat up, wiping her long wet hair out of her face. Those waves had caught her totally off guard! It was disorienting and a bit scary. She wiped the saltwater from her face, looking up for the first time.

Sita saw many people were looking at her. Pretty much everyone in fact. That made sense: she'd nearly drowned after all. She felt a twinge of embarrassment. She was a very good swimmer, and a little shamed that everyone had seen her flailing helplessly in the water.

Sita saw her three sisters. They were all looking her way too and... laughing? They were! Many other people were too, pointing and laughing. As she looked around she saw more people were pointing and laughing too. What was so funny? Why were they all laughing at her?

Then Sita noticed the chill breeze over her body and she felt a sinking feeling in her stomach...