Conditions referenceSeason, water and visibilityBest Jun–Oct · Mild current · 23–30°C (coldest Jul, warmest Jan)
- Current
- Mild
- Water temperature
- 23–30°C (coldest Jul, warmest Jan)
- Visibility
- 10–30m: A broad operator-reported planning range; rain, wind, tide and the selected mooring matter more than the month alone.
- Experience
- Many sheltered moorings suit Open Water divers.
01 · Marine life
What you may see
Sightings are never guaranteed. The bars show typical likelihood by month.
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | rare |
| April | rare |
| May | rare |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | rare |
| November | rare |
| December | rare |
Migrating whales may be seen or heard in winter; an underwater encounter is not a scheduled product.
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Possible throughout the operating year; no unsupported monthly peak is applied.
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Possible throughout the operating year; no unsupported monthly peak is applied.
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Possible throughout the operating year; no unsupported monthly peak is applied.
See all 8 species
02 · Dive sites
Dive sites worth knowing
A starting point, not a ranking. Conditions decide what works on the day.
Flynn Reef
Flynn Reef: Outer-edge coral terrain.
5–30m · Moderate current
Hastings Reef
Hastings Reef: Shallow lagoon edge.
5–30m · Moderate current
Norman Reef
Norman Reef: Bommies and sand channels.
5–25m · Mild current
See all 4 dive sites
03 · LogisticsGetting there and costsModerate. Fly to CNS. Typical trip $–$$.
Route overview
Moderate
Reachable but with some friction: a 2h boat crossing.
Airport options
CNS
Cairns Airport
About 15–25 minutes by road to Cairns marinas
Typical trip cost
$–$$
under $2,000 to $2,000–4,000
Per person, excluding international flights.
- Two-dive day boats commonly cost roughly AUD 300–450 with different equipment and levy inclusions.
- A 3-day/2-night outer-reef liveaboard is commonly around AUD 1,000–1,500 before upgrades.