

Best for intermediate divers, boat entry, moderate current.
Strath Island, located off Nhulunbuy, offers boat-based reef diving in the Northern Territory. The site features coral formations and is suited for intermediate divers capable of managing moderate currents. Water temperatures range from 26C to 30C throughout the year. Divers should be aware of significant hazards, including saltwater crocodiles, sharks, and sharp coral. Jellyfish, including Irukandji and Box Jellyfish, present a risk, particularly during the stinger season from November to May. Due to variable currents and wildlife activity, local operators should be consulted before planning a dive. The site is not recommended for snorkelling.
-12.24030, 136.69570
The dry season months from May through October give you the most reliable conditions, with calmer water and reduced jellyfish risk. Always check locally before heading out, as currents and wildlife activity can change conditions significantly from one day to the next.
Access is via private boat or charter. The region is part of Arnhem Land, and a permit from the Northern Land Council is required for visitors. The likely departure point is the Melville Bay Boat Ramp near Nhulunbuy.
Expected in this region. No sightings logged here yet.
Skill Level
Intermediate
Entry
Boat
Boat required
Water Temp
26-30°C
Current
Moderate
Typical Dive
45 min
Best Time
May, Jun, Jul, Aug, Sep, Oct
The habitat supports a variety of reef fish and invertebrates typical of the region, though specific sightings are not guaranteed.
No, this site is rated for intermediate divers due to the presence of moderate currents and significant environmental hazards.
Access is by boat only; a boat is required to reach the reef.
Snorkelling is not recommended at this location, with a rating of 1/5.
The best months are May, June, July, August, September, and October, which offer the most reliable conditions and reduced jellyfish risk.
Diving at Strath Island in Nhulunbuy requires the following certifications: Open Water. Always dive within your training limits.
A rashguard or 2mm shorty is recommended for diving at Strath Island in Nhulunbuy. Water temperatures range from 26°C to 30°C.
Expect moderate currents at Strath Island in Nhulunbuy. Good buoyancy control and some drift diving experience is helpful.