

Big Broadhurst Reef is a Queensland reef dive accessible by boat charter, covering depths from 1 to 20 metres with visibility consistently reaching 12 to 20 metres. Current runs variable, so check conditions before descending and be prepared to adjust your plan. The reef draws a solid mix of pelagics and resident species. Reef sharks and giant trevally patrol the water column, while sea turtles, stingrays, and maori wrasse are regular sightings closer to the structure. Manta rays pass through, and the shallower sections support clownfish, angelfish, parrotfish, and groupers. Be aware that jellyfish are present at times, particularly in warmer months.
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May through November offers the most reliable conditions, with calmer seas and better visibility. If manta rays are your priority, timing your dive for an incoming tide can increase your chances of an encounter.
The site is accessed by dive charters, typically departing from Townsville.
Stinger (jellyfish) season is typically from November to May.
Depth
1-20m
Visibility
12-20m
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
28-30°C
Best Time
May, Jun, Jul, Aug, Sep, Oct, Nov
Big Broadhurst Reef in Queensland hosts diverse marine species including reef sharks, sea turtles, maori wrasse, and giant trevally. Divers regularly encounter clown fish, angel fish, parrotfish, and stingrays across the reef's varied depths. The site's healthy coral systems support abundant tropical fish populations typical of the Great Barrier Reef ecosystem.
Big Broadhurst Reef near Townsville ranges from 1 metre to 20 metres in depth. The shallow sections allow for gradual descents whilst the deeper areas provide opportunities for extended bottom time exploration. This depth range makes the site accessible to intermediate divers with Open Water certification.
An Open Water diving certification is required to dive Big Broadhurst Reef. This intermediate-level site requires foundational dive skills to navigate depths up to 20 metres safely. Divers should be comfortable with boat entries and managing currents in offshore reef conditions.
The optimal diving season for Big Broadhurst Reef runs from May through November. These months offer the most favourable conditions with water temperatures around 23 degrees Celsius and visibility ranging from 12 to 20 metres. This period coincides with Queensland's dry season when sea conditions are typically calmer.
Big Broadhurst Reef is accessible only by boat from Townsville, Queensland. Boat charter services operate to this offshore reef site, providing the necessary transport from the mainland. All dives require organised boat trips as shore access is not available.
Reef sharks are common residents at Big Broadhurst Reef and are listed among the site's notable marine life. Divers should maintain respectful distances and follow standard shark safety protocols whilst diving. Jellyfish are also present as potential hazards, particularly during seasonal blooms.
Big Broadhurst Reef is classified as an intermediate-level dive site requiring Open Water certification. The depths reaching 20 metres and offshore location make it more suitable for divers with foundational experience rather than absolute beginners. Divers should be comfortable with boat entries and managing variable reef conditions.
A rashguard or 2mm shorty is recommended for diving at Big Broadhurst Reef in Townsville. Water temperatures range from 28°C to 30°C.
Big Broadhurst Reef in Townsville has depths ranging from 1 metres to 20 metres.