Middle Grounds is an offshore reef system sitting at the entrance to Jervis Bay on the NSW South Coast — a raised island of reef rising from a sandy seafloor inside the protected waters of the bay. The reef forms a series of sandstone terraces and steps that drop toward the open ocean, offering snorkelers a chance to explore temperate rocky habitat in the clear, sheltered waters of Jervis Bay Marine Park. Its position in the middle of the bay entrance means it catches tidal flow, keeping water quality high and attracting diverse marine life.
Middle Grounds
IntermediateMAYBE
MAYBE
Fair. Experienced snorkellers only.
Showing last known conditions
Wave Height 0.1 mSwell Period 9.3 sWind Speed 11 knPrecipitation 24 mmTidal Phase slack
Last evaluated
The spot
Community-maintained
Community contribution: submitted by Daniel
Know before you go
Logged by the community, confirmed by mods
Moderate risk: Outgoing tide current
The reef sits in the middle of Jervis Bay's entrance, where outgoing tides can produce strong currents across the shallow reef top.
Low risk: Boat traffic
Located at the entrance to Jervis Bay, Middle Grounds is frequented by vessels transiting in and out of the bay.
Low risk: Sharp reef ledges
The reef features stepped sandstone ledges with sharp edges that can cause cuts if contacted.
Wildlife Guide
No wildlife notes for this spot yet.
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Getting in
Boat
Entry
Middle Grounds is accessible only by boat, located roughly in the centre of the entrance channel to Jervis Bay, inside the bay itself. The closest boat ramps are at Currambene Creek (Huskisson) or Callala Bay. GPS: 35°06'29"S, 150°46'00"E (AUS66 datum).
Parking & facilities
Parking available at boat ramp car parks in Huskisson (Currambene Creek) or Callala Bay. Both require a day-use fee or national parks pass.
parkingboat_ramp
Jervis Bay National Park day entry fee or annual pass applies for vehicle access to ramp areas.
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About this data
- Conditions last evaluated
- Spot data last updated
- Data sources
- Open-Meteo (marine & weather conditions), tide predictions via UTide, community contributors (descriptions, hazards, marine life).
- License
- Spot content licensed under CC BY-SA 4.0. How's the Spot is open source.
Weather & swell ┬╖ Open-Meteo marine & weather APIs Tides ┬╖ UTide harmonic analysis Sea & safety ┬╖ community reports