Plan a “jellyfish sting free” Hawaii vacation with our updated 2018 calendar of Hawaii Jellyfish sting warning dates and suggestions. When you are evaluating cheap flights to Hawaii and the Cheapest Time to Fly to Hawaii, you may want to keep this information handy.
Jellyfish are fascinating, and are themselves comprised of nearly 95% water. Their needle-like stingers are located on their tentacles. When activated, the stinger shoots into the victim, releasing the venom. This all happens in a millionth of a second.
Jellyfish Sting Tips
Location. South facing Hawaii beaches are most impacted by jellyfish eight days after a full moon. These include Waikiki, Ala Moana Beach Park, Haunama Bay and the Waianae Coast on Oahu. Kauai can have warning signs posted at Poipu Beach. Maui beaches and Big Island beaches are also affected but typically have fewer problems.
Timing. You’ll usually find jellyfish on impacted beaches eight days following a full moon. The problem can persist for three days. If you’re here during a jellyfish invasion, talk to the lifeguard for advice. Also check the beach to see if any jellyfish are present.
Awareness. Check with a lifeguard for sure and look for jellyfish washed up on the sand as an indication of a problem.
If you are stung. First, you’ll find some good news below. There is much ongoing research in the area and the University of Hawaii has developed a topical treatment in the works for a jellyfish sting. Jellyfish have long been a problem in Hawaii and they only seem to be getting worse here and globally.
Jellyfish in Hawaii. Here in the islands, jellyfish types seen include the box, moon and lagoon varieties.
2018/2019 Hawaii Jellyfish Sting Warning Dates
While a jellyfish sting can happen at other times, these are the most likely dates when problems may occur. Also be on alerts the days immediately preceeding and following the caution dates.
November 1 to 4 2018
November 30 to December 3 2018
December 30, 2018 to January 1
January 28 to 30
February 27 to March 1
March 28 to 30
April 27 to 29
May 26 to 28
June 24 to 26
July 24 to 26
August 12 to 15
September 21 to 23
October 21 to 23
November 20 to 22
December 19 to 21
Jellyfish Treatments and Prevention
Searching online will yield a wide range of suggestions for what to do in the event of a jellyfish sting. Some of the best suggestions we’ve seen include the following:
1. Seek medical attention as soon as possible if in shock or if you have any complications.
2. Rinse the site with vinegar to deactivate the toxins and help remove the remaining tentacles and nematocysts. Others say to wash the area with seawater to deactivate stinging cells. Or you can remove tentacles by scraping with a credit card or other plastic object.
3. Use hot water or ice packs to reduce the pain duration and intensity. Others suggest after removing the tentacles, immerse the affected arm or leg in hot water of 104 to 113°F for at least twenty minutes. If other body parts are impacted, a hot shower can be used instead.
4. Friends recommend and we have been using After Bite itch eraser. It is ammonia based and works well to relieve pain from stings. A range of new prevention and treatment products is also available including somewhat controversial jellyfish sting protection (do read the reviews).
5. Read the comments below for others’ recommendations.
Suggestions From Mayo Clinic.
1. Carefully pluck visible tentacles with a fine tweezers.
2. Soak the skin in hot water. Use water that’s 110 to 113 F (43 to 45 C). If a thermometer isn’t available, test the water on an uninjured person’s hand or elbow — it should feel hot, not scalding. Keep the affected skin immersed or in a hot shower for 20 to 45 minutes.
3. Avoid the following: scraping out stingers, rinsing with seawater, rinsing with human urine, rinsing with fresh water, applying meat tenderizer, applying alcohol, ethanol or ammonia, rubbing with a towel or applying pressure bandages.
Have you been stung by a box jellyfish, and if so, what has worked in terms of treatment? Please let us know in comments below.
Beat of Hawaii photo at Waikiki Beach.