A 4-year-old girl from Pinole drowned on Thanksgiving after a wave pulled her into the surf at McClures Beach, where she had been walking with her family. Her father suffered hypothermia after spending half an hour in the water trying to rescue her.

“The fall and winter swells are not to be underestimated, and the ocean is not to be underestimated,” said Julian Dupont, a park service ranger and E.M.T. who was the first to…