Atlantic sea nettles (Chrysaora quinquecirrha) are a common sight in the Northern Gulf of Mexico during the warmer months. These jellyfish are known for their distinctive bell shape and long, trailing tentacles. Understanding the water temperatures that favor their presence can help beachgoers avoid unpleasant encounters and better plan outdoor activities.
Favorable Water Temperatures for Atlantic Sea Nettles
Atlantic sea nettles thrive in water temperatures ranging from 20°C to 30°C (68°F to 86°F). These jellyfish are most abundant when the water temperature is within this range, typically from late spring through early fall. As temperatures rise, sea nettles become more active and can be found closer to shore, where they often come into contact with swimmers and beachgoers.
In the Northern Gulf of Mexico, the water temperature generally starts to warm up in late April, reaching the sea nettles' preferred range by May. The peak season for sea nettles usually occurs between June and September, with their numbers gradually declining as water temperatures cool down in late fall.
When to Expect Sea Nettles to Move Out of the Northern Gulf
As water temperatures begin to drop below 20°C (68°F) in late October or early November, sea nettles start to retreat from the Northern Gulf of Mexico. By mid-November, most of these jellyfish will have moved to warmer waters or entered a dormant state, making beach visits safer and more enjoyable.
Protect Yourself with Jelly-Smack Sting Relief Products
If you do happen to encounter a sea nettle, Jelly-Smack sting relief products are your go-to solution. Fast-acting and safe for all ages, Jelly-Smack products are FDA-registered and provide immediate relief from jellyfish stings. You can find Jelly-Smack products at locally owned businesses, online at jelly-smack.com, Amazon, and walmart.com. Having it on hand can help ensure a more pleasant beach experience for you and your family.
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