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Ulua Beach

Maui County, Hawaii · United States

What have people found?

Blue-black urchin, humpback cowrie and sea mat turn up here more than at our other tide pools. African giant snail, thin-shelled rock crab and red pencil urchin are the usual finds. ~247 distinct species have been recorded here, across at least 2 years of observations.

What is the best time to visit today?

Download the app to see the 7-day schedule.

Predicted tide from KAHULUI, 14.3 miles away.

See low tide times at Ulua Beach for the next three days
  1. Sun, Nov 15in the dark10:41 PM0.5 ft
  2. Mon, Nov 16in the dark6:21 PM0.8 ftin the dark11:51 PM0.7 ft
  3. Tue, Nov 174:59 PM0.7 ft

Every low tide each day, in local time at the shore.

Plan the week in Intertidal
  • A tide chart for every day, with the best window marked
  • Identify what you find from a photo
  • An alert when a good daylight low is coming

When do people visit?

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Most observations come from March and July.

What should you know before visiting?

Parking is about 500 feet away.
Arrive 45 minutes to an hour before low tide and leave as it turns. The water comes back faster than it left.
Grippy shoes beat sandals. Wet rock and algae are more slippery than they look. Tide pool safety
A tide pool is a fragile place. Look and photograph, take nothing. The tidepooling code

What lives at Ulua Beach?

Species records from iNaturalist

African Giant SnailLissachatina fulica
Thin-shelled Rock CrabGrapsus tenuicrustatus
Red Pencil UrchinHeterocentrotus mamillatus
Indo-Pacific Rock-boring UrchinEchinometra mathaei
Pacific White-spotted Sea CucumberActinopyga varians
Shingle UrchinColobocentrotus atratus
Collector UrchinTripneustes gratilla
Sea MatPalythoa tuberculosa
Blue-black UrchinEchinothrix diadema
Humpback CowrieMauritia mauritiana
Hawaiian Snakehead CowrieMonetaria caputophidii
Pillow Cushion StarCulcita novaeguineae
Spotted LinckiaLinckia multifora
Left-handed Hermit CrabCalcinus laevimanus
Day OctopusOctopus cyanea
Scan this tide pool on your next visit.

Every organism named, every visit logged to your journal.