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Delaware Beaches Swarmed by Jellyfish, Stings Skyrocket
22 Aug
Summary
- Hundreds of jellyfish stings are reported daily on Delaware beaches.
- Warmer waters and drought conditions favor jellyfish proliferation.
- Stings are more severe this summer, lasting up to a full day.

Delaware's popular beaches are currently inundated with jellyfish, resulting in hundreds of stings reported daily by beach patrols. This unusual abundance is attributed to a combination of environmental factors, including warmer air and water temperatures, drought conditions that increase salinity, and favorable water circulation patterns.
The severity of the stings has also increased this summer, with symptoms lasting up to a full day and, in some cases, causing children to vomit. Lifeguards and beachgoers alike are increasingly avoiding the ocean due to the high probability of being stung. Officials are advising caution and providing guidance on treating stings, recommending vinegar followed by hot water, and immediate medical attention for stings on the face or neck.
Experts suggest that such conditions, favoring jellyfish blooms, may become more common due to rising global temperatures and more frequent droughts. The quieter hurricane season has also been noted as a contributing factor, as hurricanes typically disrupt jellyfish populations and bring cooler bottom waters. This situation has led to many beachgoers staying ashore, expressing disappointment over being unable to enjoy the ocean.