ASD Scuba School - California

ASD Scuba School in California focuses heavily on instructor development, which is a good sign for their foundational courses. If you're looking to turn pro or just want to see how the pros are made, this is a solid pick. We've always found that schools training instructors tend to have a higher standard across all their offerings, from Open Water onward. Expect a thorough approach to training and plenty of opportunity to refine your skills, whether you’re aiming for divemaster or just want to feel more confident in the water.

Location
California, United States, North America
Coordinates
34.003162, -117.847750
Phone
+1626988-7007
Email
[email protected]
Website
https://www.asdscuba.com
Courses
Instructor_training
Address
785 Pinefalls Ave, Diamond Bar, 91789, CA, USA

Dive Sites Near ASD Scuba School

ASD Scuba School provides access to 15 dive sites in California.

Other Dive Centres in California

Best Time to Dive in California

The warmest water temperatures in California occur in August, averaging 20.6°C (up to 24.0°C). The coolest conditions are in February at 14.0°C.

The calmest sea conditions are typically in July with average wave heights of 0.60m.

Monthly Water Temperatures

  • January: 14.4°C (air: 14.0°C)
  • February: 14.0°C (air: 13.8°C)
  • March: 14.2°C (air: 13.3°C)
  • April: 14.9°C (air: 14.3°C)
  • May: 16.6°C (air: 15.4°C)
  • June: 18.9°C (air: 17.4°C)
  • July: 20.4°C (air: 18.9°C)
  • August: 20.6°C (air: 19.6°C)
  • September: 20.4°C (air: 19.7°C)
  • October: 18.8°C (air: 18.4°C)
  • November: 16.3°C (air: 16.0°C)
  • December: 15.6°C (air: 14.3°C)

Marine Life in California

Home to 10 recorded species including 8 reef fish, 1 other, 1 octopus & squid.

Notable Marine Life

Recommended Packing List for California

Based on average water temperature of 17.1°C.

  • Wetsuit (5-7mm) - recommended for 17°C water
  • Hood & Gloves (3-5mm) - helps retain warmth
  • Mask - essential for every dive
  • Fins
  • BCD - buoyancy compensator
  • Regulator - your most safety-critical piece of gear
  • Dive Computer - tracks depth, time, and NDL
  • Surface Marker Buoy (SMB) - essential for boat pickups
  • Dive Torch - useful for crevices and colour at depth
  • Underwater Camera - capture your diving memories