Southern California Sees Rise in Stingray Lashings Amid Marine Heat Wave

San Diego, CA, August 16, 2026 —

Lifeguards across Southern California are reporting a significant increase in stingray lashings, with San Diego experiencing a notable surge in incidents. This trend is largely attributed to a persistent marine heat wave that is drawing both stingrays and beachgoers closer to shorelines.

Data from San Diego lifeguards indicates that over 900 stingray lashings were recorded in the first half of 2026. This figure surpasses the total number of incidents reported in previous years for similar periods, highlighting a marked escalation in encounters.

Marine experts suggest that several factors are contributing to this rise. The warming ocean temperatures associated with the marine heat wave are a primary driver, creating conditions that favor stingray activity and distribution closer to coastal areas. Concurrently, an increase in the stingray population is also suspected, potentially due to a decline in their natural predators.

Furthermore, the influx of people seeking recreation at the beaches during warmer weather is leading to more opportunities for accidental contact with the marine animals. Stingrays often bury themselves in the sand, and when stepped on, they can lash out with their barbed tails as a defensive mechanism.

While the specific locations and detailed timelines for all reported incidents were not provided, the trend indicates a growing concern for beach safety in the region. Lifeguard services are advising beach visitors to exercise caution by shuffling their feet when walking in shallow waters to warn stingrays of their presence.

Story summarized from the original created by The Associated Press and Amy Taxin on www.nbcsandiego.com, see more information here.

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