A Beach Hazard Statement issued by the National Weather Service now runs through Friday for the Orange and San Diego County beaches of Southern California.
A weather system moved through SoCal on Monday afternoon, bringing isolated thunderstorms, lightning, heavy rain and even hail to some areas.
Travelers arriving at LAX from Hawaii described days of relentless rainfall and damage across the island. Some had been vacationing, while others live in Hawaii.
Hawaii suffered its worst flooding in more than 20 years as heavy rains fell on soil already saturated by downpours from a winter storm a week ago.
Honolulu officials told residents at 5:35 a.m. Friday to leave the area downstream of Wahiawa dam, saying it was "at risk of imminent failure."