Dive slate · divesites.com.au · printed 8 Nov 2026
Nambucca Heads offshore reef
South West Rocks, New South Wales · near Nambucca Heads
| Depth | 10–22 m |
|---|---|
| Minimum level | Advanced Open Water |
| Difficulty | Intermediate |
| Access | Boat |
| Entry | Giant stride from a private boat onto the reef |
| Current | Mild |
| Visibility | 8-20 m |
| Water | summer 22-25 °C, winter 17-20 °C |
| Suit | 3-5 mm steamer summer; 5-7 mm full suit or semi-dry winter |
| Best season | Autumn for calmest, clearest conditions |
| Bottom time | 40 min |
| Position | -30.65000, 153.03000 (approximate) |
| Permit | None required |
| Nearest chamber | Prince of Wales Hospital (Randwick, Sydney) — John Hunter Hospital Newcastle has no recompression chamber |
| Emergency | 000 · DAN Asia-Pacific diving emergency 1800 088 200 |
Nambucca Heads offshore reef
An under-documented offshore reef beyond the Nambucca River mouth, dived almost exclusively by private boat owners.
Near Nambucca Heads · South West Rocks, New South Wales
- Depth
- 10–22 m
- Minimum level
- Advanced Open Water
- Access
- Boat
- Boat ride
- ~20 min
- Water
- 22-25 °C
- Visibility
- 8-20 m
Nambucca Heads offshore reef10–22 m · Advanced Open Water
Dive factsDepths, conditions, location & safety
Season
Off-peak nowBest months: March, April, May.
Autumn for calmest, clearest conditions
- Best months
- Now (November)
- Stinger suit Nov–May
Dive facts
- Depth
- 10–22 m
- Typical depth
- 16 m
- Certification
- Advanced Open Water
- Difficulty
- Intermediate
- Depth tier
- Advanced Open Water (18–30 m)
- Access
- Boat
- Offshore
- 3 km
- Dive centre needed
- No – independently diveable
- Shore / independent
- No
- Boat ride
- ~20 min
- Current
- Mild
- Visibility
- 8-20 m
- Water temp (summer)
- 22-25 °C
- Water temp (winter)
- 17-20 °C
- Water
- Subtropical
- Bottom time
- 40 min
- Dive traffic
- Rarely dived (private boat/club only)
- Night dive
- Possible
- Snorkel friendly
- No
Exposure suit
3-5 mm steamer summer; 5-7 mm full suit or semi-dry winter
Location
Nambucca Heads · NSW Mid North Coast — South West Rocks
-30.65000, 153.03000
Approximate position — not for navigation.
Open in Google MapsMarine park & permits
None required
Nearest recompression chamber
Prince of Wales Hospital (Randwick, Sydney) — John Hunter Hospital Newcastle has no recompression chamber
Diving emergency: call 000, then DAN AP 1800 088 200.
Trip planner
Build a trip around Nambucca Heads offshore reef →
A day-by-day plan for South West Rocks with this site locked in.
This guide is a planning aid. Conditions change daily — confirm with a local dive centre and dive within your training. Data & safety notes.
Dive profile
How this site rates
Scores are computed from the recorded data, not opinions. How?
At a glance
Nambucca Heads offshore reef is a reef boat dive in South West Rocks, NSW, 10–22 m, suited to Advanced Open Water divers, about 20 minutes by boat.
Rated intermediate because of depth beyond 18 m.
Why dive here
- An under-documented offshore reef beyond the Nambucca River mouth, dived almost exclusively by private boat owners.
- Rarely dived: expect to have the site to yourself, and plan your own logistics.
- Visibility often reaches 8-20 m.
Conditions to avoid
- Strong southerly or south-east swell and wind
- Outgoing tide or run-off after rain (poor visibility)
About Nambucca Heads offshore reef
Beyond the sheltered, easily accessible V-Wall shore dive at the Nambucca River training wall, a patch of genuine offshore reef lies a short boat trip beyond the river mouth, offering a more substantial, if considerably less documented, diving option for anyone in the Nambucca Heads area with access to a private vessel. Depths here sit in a moderate ten-to-twenty-two-metre range typical of the mid-north-coast's rocky headland formations, and the site supports the general mix of temperate and subtropical reef fish and invertebrates found throughout this stretch of coast, without any single standout feature that has made it into published dive guides. The complete absence of a dedicated dive charter in Nambucca Heads means this reef is known almost exclusively to locals and passing boat owners rather than being formally catalogued the way sites around South West Rocks or Port Stephens are, and visiting divers without their own boat have essentially no way to arrange a trip here short of befriending a local with a vessel.
This makes Nambucca Heads' offshore reef one of the more genuinely under-explored dive locations included in this survey, included for completeness given its position along the coast between the well-documented South West Rocks and Scotts Head areas, but it should be approached as an exploratory, self-organised outing rather than a planned dive with any specific expectations, and current conditions and exact reef character should be confirmed with local knowledge before heading out. Divers passing through the area on their way to or from South West Rocks are generally better served continuing on to Fish Rock rather than trying to arrange something here.
Getting there & entry
A patch of offshore rocky reef beyond the Nambucca River mouth, reachable by private boat, distinct from the sheltered V-Wall shore dive at the training wall.
Reached by private boat launched from the Nambucca River boat ramp, running out past the river training walls to a patch of reef a short distance offshore. There is no dedicated dive charter based in Nambucca Heads, so this site is dived almost exclusively by locals and visiting divers with their own vessel.
Entry: Giant stride from a private boat onto the reef
Facilities: Boat ramp on the Nambucca River.
Weather, swell & tides
An open-coast reef exposed to easterly and south-easterly swell with no natural shelter — best dived on calm, low-swell days; visibility affected by outflow from the Nambucca River after rain.
Best season: Autumn for calmest, clearest conditions
If it's blown out
Sheltered or shore sites within 25 km that often work when Nambucca Heads offshore reef doesn't.
- Nambucca Heads – Bolwarra / V-Wall shore dive · 2 km · Max 10 m
- Nambucca Heads – V-Wall / Bolwarra shore dive · 2 km · Max 10 m
- Shelly Beach (Nambucca Heads) · 2 km · Max 12 m
- Urunga foreshore / Bellinger-Kalang river mouth · 17 km · Max 6 m
How the dive is usually run
Launch from the Nambucca River ramp and run out to the reef patch, descending onto typical mid-north-coast rock and gutter structure at 10-22 m and exploring for reef fish and invertebrates before returning to the ramp.
Marine life
- General mid-north-coast reef fish and invertebrates (not specifically documented)
Linked species have their own page listing every site where they are recorded. All marine life →
Training required
Beyond 18 m an Advanced certification (which includes a deep dive to 30 m) is the accepted minimum. Anything past 25 m is a deep dive in practice.
Open Water divers can dive the shallower section (typical depth 16 m); the full site to 22 m needs Advanced Open Water. Operators often quote Open Water.
Operators' own listing: Open Water.
Depth tiers: 0–10 m easy · to 18 m Open Water · 18–30 m Advanced (25 m+ is a deep dive) · 30–40 m Deep specialty · 40 m+ technical. All courses
Hazards & warnings
No dive shop or charter support in Nambucca Heads; open-coast exposure with no natural shelter; river outflow affects visibility after rain.
Dive centres that go here
No dedicated dive charter based in Nambucca Heads; dived by private boat owners and occasional visitors from South West Rocks or Coffs Harbour with their own vessel.
Other dive centres in South West Rocks
Fish Rock Dive Centre
ProfiledSouth West Rocks · South West Rocks · NSW
A South West Rocks operation running regular Fish Rock and Fish Rock Cave trips from a 12-metre purpose-built vessel, with Nitrox supplied and PADI training.
fishrock.com.au · 0432 050 409
South West Rocks Dive Centre
ProfiledSouth West Rocks · South West Rocks · NSW
A family-run South West Rocks operation that has run daily charters to Fish Rock since 1980, including the 125-metre cave traverse.
swrdive.com.au · (02) 6566 6474
All dive centres in New South Wales →
Operators mentioned: No dedicated local operator — private boat only
Map
7 pinned sites. Pins marked approximate on their pages show the general area only; not for navigation.
Satellite views


Nambucca Heads offshore reef: frequently asked questions
How deep is Nambucca Heads offshore reef?
Nambucca Heads offshore reef reaches a maximum depth of 22 m, with the shallowest part at about 10 m; most of the dive is spent around 16 m.
What certification do I need to dive Nambucca Heads offshore reef?
Advanced Open Water is the recommended minimum. Open Water divers can dive the shallower section (typical depth 16 m); the full site to 22 m needs Advanced Open Water. Operators often quote Open Water. Rated intermediate because of depth beyond 18 m.
Can I shore dive Nambucca Heads offshore reef?
No, it is reached by boat (about 20 minutes).
When is the best time to dive Nambucca Heads offshore reef?
Autumn for calmest, clearest conditions.
What marine life will I see at Nambucca Heads offshore reef?
Regularly recorded: General mid-north-coast reef fish and invertebrates (not specifically documented).
What wetsuit do I need at Nambucca Heads offshore reef?
3-5 mm steamer summer; 5-7 mm full suit or semi-dry winter.
How cold is the water at Nambucca Heads offshore reef?
Typically 22-25 °C in summer and 17-20 °C in winter.
What are the main hazards at Nambucca Heads offshore reef?
No dive shop or charter support in Nambucca Heads; open-coast exposure with no natural shelter; river outflow affects visibility after rain. See the hazards section above for the full list.
Where is the nearest recompression chamber to Nambucca Heads offshore reef?
Prince of Wales Hospital (Randwick, Sydney) — John Hunter Hospital Newcastle has no recompression chamber. In an emergency call 000, then DAN Asia-Pacific on 1800 088 200.
Diving in South West Rocks
Fish Rock is on every serious Australian diver's list. A 125 m cave runs right through the island, opening in 24 m on one side and 12 m on the other, and both entrances are grey nurse shark gutters; outside are walls, pinnacles and turtles. Black Rock and Green Island are the other regulars, and the deep reefs off Smoky Cape reach 87 m for technical divers.
Getting there: Five hours north of Sydney. Two dive operators in South West Rocks run Fish Rock most days from the Back Creek boat ramp; it is a 15-minute ride in open water.









