Hall Thompson Reef
Protected Area
Barnard Island Group
Why dive here
With 154+ marine species recorded in the area - including hammerhead sharks, sea turtles, tiger sharks and napoleon wrasse - Hall Thompson Reef offers some of Great Barrier Reef's richest reef diving. Water ranges 24-30°C, warmest January, February, March.
Hall Thompson Reef is a classic Great Barrier Reef experience, a solid coral reef with the usual suspects – parrotfish, anemonefish, and reef sharks cruising the edges. It’s a good choice for divers wanting a straightforward, reliable dive without too much fuss. Visibility here is typically good, making it an easy place to soak in the reef’s colours.
Safety Notes
Strong currents typical this month (avg 30 cm/s). Good buoyancy control essential.
Reviews for Hall Thompson Reef
Conditions
Ocean conditions, forecast and tides for Hall Thompson Reef
Hall Thompson Reef Ocean Conditions
Monthly averages for Hall Thompson Reef, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-15.65, 145.72) (5km away)
October Averages
Sea Temperature
26°C
80°F · Range: 24.5–29°C
Current Speed
30.07 cm/s
Direction: S (183.8°)
Chlorophyll-a
0.057 mg/m³
Very clear (oligotrophic)
Salinity
35.08 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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