Diving at Black Rock (United States)
Black Rock distinguishes itself as an accessible shore dive, offering both day and night experiences directly from Ka'anapali Beach in Maui. Its unique rock formation, Pu'u Keka'a, serves as a natural beacon for divers exploring its immediate underwater environment. This site presents varied conditions, from gentle exploration to exhilarating drift opportunities along its reef wall and small cave structures. It's a convenient entry point for discovering local marine life.
As evening covers Black Rock, the local air temperature is measured at 24.5°C. The current wave height at the surface is recorded at 0.8 m. These late-day readings characterize the surface conditions for the night.
Dive Site Location & Key Facts
Dive Site Overview
Historically, Black Rock was celebrated for having one of Maui's most diverse fish populations and was once considered a premier beach dive in the USA.
However, the last decade has seen a reported decrease in reef health and sea life diversity, a condition acknowledged by local operators. Despite these changes, the site still provides a worthwhile experience for certified divers. Commonly approached as a drift dive, it features a prominent reef wall and small caves, extending to a maximum depth of approximately 10 m (32 ft).
Currents, which can run along the shore from north or south, facilitate these drift dives, offering a dynamic underwater journey. Exploring both the left and right sides of the rock face reveals different aspects of the environment, from schools of fish to larger pelagic species.
Conditions are Good
Optimal conditions expected
Current conditions near Black Rock show 25° air, 27° sea temperature, 0.8 m waves, and 32 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Dive scores consistently rate Black Rock as 'Good' across all months, indicating favorable conditions throughout the year. Air temperatures typically range between 22.5-26.5°C (72-80°F), providing comfortable surface conditions. Average wave heights generally stay below 1.2 m (4 ft), often around 0.9-1.0 m (3-3.3 ft), suggesting manageable entry and exit points for shore diving. Wind speeds are usually moderate, averaging 14.7-18.3 km/h (9.1-11.4 mph). Rainfall is minimal throughout the year, with monthly averages ranging from 1.2-4.6 mm (0.05-0.18 inches), meaning clear skies are frequent. Water temperature data is not consistently reported but generally mirrors the warm tropical air temperatures.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Exploring the underwater landscape at Black Rock involves navigating a distinct reef wall adorned with hard corals, as well as several smaller cave formations. This is primarily a shallow dive, with depths generally within the recreational limit, making it ideal for buoyancy practice and underwater photography. Divers typically swim out a short distance from shore, then gradually descend as the ocean floor slopes. The site is known for potential along-shore currents, which often create excellent drift dive opportunities. Depending on the direction of the current and the chosen entry point, diving the left or right side of Black Rock can offer vastly different perspectives on the local ecosystem and topography.
Dive Difficulty & Safety Guidelines
When planning a dive at Black Rock, careful attention to prevailing currents is crucial, as they can run swiftly along the shore. Even surface currents are often noted as strong, requiring divers to be proficient swimmers and aware of their entry and exit strategies. For divers who haven't been in the water for two years or more, completing a scuba refresher course is a prudent step before undertaking an ocean dive.
All divers must be certified and capable of carrying their own gear for shore entry. Maintaining good physical health ensures you're prepared for potential challenges presented by environmental conditions.
Recommended Equipment
Current and surface separation risk. Local briefing strongly recommended.
- Dive Computer
- DSMB
- Reel / Spool
This gear list is based on verified equipment signals for Black Rock, United States. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Divers planning relaxed exploration may appreciate the warmth of 2-3mm shorty or light wetsuit. A hood or vest is suggested for sensitive divers due to surface winds. Divers often notice that perceived temperature can feel cooler during deeper or longer dives.
The waters surrounding Black Rock are currently maintaining temperatures close to 27°C (81°F). Surface air temperatures are resting at 25°C (76°F).
Conditions are expected to stay fairly consistent in the days ahead.
Emergency & Medical Support
Essential information to help you plan your dive trip to Black Rock.
Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Black Rock
Encounters with resident Hawaiian Green Sea Turtles are a frequent highlight, often seen resting among the rocks. White tip reef sharks patrol the reef, providing exciting sightings for observant divers.
The site also hosts a variety of tropical fish, goatfish, and octopus. Night dives reveal a different cast of characters, including hunting eels, lobsters, crabs, and Spanish dancers. Depending on the season, divers might also spot eagle rays cruising past in the blue.
Dive Sites Near Black Rock
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Dive Centers Near Black Rock
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Frequently Asked Questions
Is Black Rock suitable for beginner divers?
Yes, Black Rock is generally considered an easy beginner to intermediate shore dive site. Its shallow depths and accessible entry make it a good location for those building experience, though awareness of currents is important.
Can I do a night dive at Black Rock?
Absolutely. Night diving at Black Rock is a popular activity, revealing a different array of marine life, including hunting eels, lobsters, crabs, and even white tip reef sharks. It offers a distinct underwater adventure.
What marine life can I expect to see?
Divers often encounter Hawaiian Green Sea Turtles, white tip reef sharks, various tropical fish, goatfish, and octopus during the day. Night dives frequently feature eels, lobsters, crabs, and Spanish dancers, with eagle rays occasionally passing through.
Are there strong currents at Black Rock?
Yes, currents can run along the shore from either north or south, making it a good site for drift dives. Surface currents can also be strong, so divers should be prepared and plan their entry and exit accordingly.
Do I need a diving certification?
To participate in guided ocean dives as a certified diver, you must hold a valid certification. However, introductory 'Discover Scuba Diving' courses are available for uncertified individuals who meet basic health and swimming requirements.
How deep is Black Rock for diving?
Black Rock is a shallow dive, typically reaching a maximum depth of around 10 meters (32 feet). This depth range makes it suitable for recreational divers and allows for extended bottom times.
Where is Black Rock located?
Black Rock is located on the west-facing shore of Maui, specifically at the Sheraton Maui Resort in Ka'anapali. It's approximately a 10-minute drive north of Lahaina.
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Conditions are Good
Optimal conditions expected
Current conditions near Black Rock show 25° air, 27° sea temperature, 0.8 m waves, and 32 km/h wind. Forecast data is refreshed regularly to ensure accuracy.