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Scuba Diving in Australia in November

Coral spawning, turtle nesting begins, and stinger season returns to the tropics.

Two scuba divers over a sunlit outer Great Barrier Reef coral garden
Queensland reef diving, represented by an AI-generated editorial image.

November brings the Great Barrier Reef's mass coral spawning, turtle nesting on the southern cays, and the start of stinger season in tropical waters.

Christmas Island's whale shark season begins, tied to the red crab spawning, and the east coast warms quickly.

Southern Australia is comfortable again, and it is a strong month for combining temperate and subtropical diving in one trip.

Best Places to Dive in Australia in November

Bundaberg & Southern Great Barrier ReefTurtle nesting begins on the coral cays; coral spawning on the reef.QueenslandChristmas IslandWhale shark season begins, coinciding with the red crab spawning.Western AustraliaSydneyWater warming quickly with weedy seadragon breeding activity.New South WalesRainbow Beach & Wolf RockFinal month of the pregnant grey nurse aggregation at Wolf Rock.Queensland

Ranked guide: the best dive sites in Australia in November →

Marine Life Peaking in November

Green TurtleThe most commonly encountered turtle on Australian reefs, and a reliable sight at Cook Island and the southern Great Barrier Reef.Leafy SeadragonSouth Australia's emblem and the most elaborately camouflaged fish in the world.Loggerhead TurtleHeavier-headed and less common than the green turtle, with a nationally significant nesting population near Bundaberg.Weedy SeadragonThe leafy's more widespread cousin — the signature animal of Sydney and Victorian shore diving.

Operators Diving November's In-Season Sites

Businesses documented at the sites where this month's peak species are found.

Manta Lodge & Scuba CentrePoint LookoutSSINorth Stradbroke Island's only full-service scuba centre and an SSI Instructor Training Center, with two boats, on-site lodging, and technical and freediving training.BoatCoursesAdvancedProTechHireSource-backed profileBlue Bay DiversBrunswick HeadsA Brunswick Heads charter running the 8.5-metre catamaran Bay Warrior to Julian Rocks and less-visited Byron sites such as Windarra Banks and the Cape Pinnacle.BoatSource-backed profilePro Dive CairnsCairnsPADIA PADI 5 Star Career Development Centre operating since 1983, pairing a Cairns training centre with two deep heated pools with three-day outer reef liveaboard trips.BoatCoursesAdvancedProNitroxPoolSource-backed profileDivers DenCairnsPADICairns' longest-established dive company (founded 1974), a PADI Career Development Centre and Eco Centre running day trips and the OceanQuest reef-based liveaboard.BoatCoursesAdvancedProNitroxPoolSource-backed profileDreamtime Dive & SnorkelCairnsCairns' Indigenous-guided reef day trip, run by Reef Magic Cruises, visiting two outer reef sites with optional introductory and certified dives.BoatCoursesHireSource-backed profileCoral Sea DreamingCairnsAn 18-metre sailing ketch taking up to 12 guests on overnight Cairns reef trips, with all dives guided and one of the few introductory night-dive licences.BoatHireSource-backed profileDiving AdelaideGlandorePADIAn Adelaide training and guided diving operation serving local sites and organised trips.BoatCoursesAdvancedNitroxHireSource-backed profileGold Coast Dive AdventuresRunaway BayPADIA Gold Coast operation focused on guided local diving and charter access to offshore sites.BoatCoursesHireSource-backed profileHeron Island ResortPADIA resort on a no-day-tripper coral cay off Gladstone whose PADI Marine Centre runs three boat dives a day plus night dives to around 20 nearby sites.BoatCoursesAdvancedHireStaySource-backed profile

Other Marine Life to See in November

Australian & New Zealand Fur SealsFast, acrobatic and endlessly curious — the highlight of Montague Island, Jervis Bay and Port Phillip.Australian Sea LionEndangered, endemic, and among the most genuinely playful animals a diver can meet.Eastern Blue GroperNew South Wales' state fish — large, inquisitive and often the first thing to greet a Sydney shore diver.Giant Kelp ForestTasmania's underwater forests — dramatically diminished, and worth seeing while they remain.Great White SharkEncountered in Australia from a cage at the Neptune Islands — wildlife tourism rather than scuba diving.Grey Nurse SharkAustralia's most recognisable dive shark — ragged teeth, entirely harmless, and critically endangered on the east coast.Humpback WhaleHeard far more often than seen — the soundtrack to winter diving on both Australian coasts.Leopard Shark (Zebra Shark)A docile, spotted bottom-resting shark that arrives on the east coast with summer's warm water.Manta RayReef mantas at cleaning stations — Lady Elliot and Ningaloo are the most reliable encounters in Australia.

Worth avoiding in November

  • Tropical shore entries without a stinger suit — season is underway.

November Marine-Life Seasonality

Green Turtle

possible good peak
Present year-round. Nesting on Great Barrier Reef cays runs roughly November to March, with hatchlings emerging from January.

Leafy Seadragon

possible good peak
Resident year-round on South Australian and southern Western Australian coasts. Males carrying eggs are most often seen through late spring and summer.

Loggerhead Turtle

possible good peak
Present year-round. The Bundaberg-area nesting season runs roughly November to March.

Weedy Seadragon

possible good peak
Resident year-round along the southern coast. Egg-carrying males are most commonly seen in spring and early summer.

Diving in October and December

← OctoberLeafy seadragon breeding, returning whales, and warming water on every coast.December →Turtle hatchlings, warm water everywhere, and the start of the tropical wet.