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When To Go · Destination Guide

South West Rocks

Shark and cave diving at Fish Rock, with national parks on your doorstep

Updated Jan 23, 2026 • 16 sources

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When to go

Best time to visit South West Rocks

South West Rocks is a yearround destination, but conditions swing with swell, rain, and the East Australian Current.

Best overall window

May to November

Milder air, more consistent diving schedules, and peak wildlife watching. Cooler water 18°C to 22°C.

Outside that window

Warmest water 24°C to 26°C, but higher chance of rain and stormy surf. Build buffer days.

Choose your trip style

Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.

Month-by-month planner

The overall row stays visible so you can compare it against the currently selected scope.

BestGoodTradeoffsMore variable
ScopeJanFebMarAprMayJunJulAugSepOctNovDec
Overall
Wildlife goals and seasonal highlights

These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.

  • Grey nurse shark peak numbers

    Best for Scuba, Freedive

    May to Dec

    JanFebMarAprMayJunJulAugSepOctNovDec

    Fish Rock is a wellknown grey nurse shark location.

  • Hammerhead season

    Best for Scuba, Freedive

    Oct to Jan

    JanFebMarAprMayJunJulAugSepOctNovDec

    Schools of hammerhead sharks are most commonly reported from October to January around Fish Rock, especially on deeper, currentinfluenced sites.

  • Humpback whale migration

    Best for Topside, Scuba, Snorkel

    May to Nov

    JanFebMarAprMayJunJulAugSepOctNovDec

    Whales migrate along the NSW coast from late autumn through spring.

  • Leopard sharks in warmer months

    Best for Scuba

    Feb to Apr

    JanFebMarAprMayJunJulAugSepOctNovDec

    When grey nurse numbers can be lower in late summer, operators often note increased sightings of leopard sharks (zebra sharks) around Fish Rock.

  • Sculpture in the Gaol

    Best for Topside

    Aug to Sep

    JanFebMarAprMayJunJulAugSepOctNovDec

    Trial Bay hosts an annual Sculpture in the Gaol event during August and September, adding an easy topside anchor to a winter dive trip.

  • Spring wildflowers and birdlife

    Best for Topside

    Sep to Nov

    JanFebMarAprMayJunJulAugSepOctNovDec

    Spring brings wildflower displays in nearby national parks and better conditions for coastal walks between dive days.

Always true for this destination
  • March is commonly one of the wettest months locally, while September is often drier.
Seasonal cautions
  • Dec: Start of summer warmth and holiday energy. Water often 24°C+, but book early for peak dates.
  • Jan to Apr: Warmest water 24°C to 26°C, but higher chance of rain and stormy surf. Build buffer days.

Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.