Upper Gulf St Vincent Marine Park protects vast, shallow seagrass meadows and expansive intertidal mudflats along the eastern shores of the Yorke Peninsula. The warm, nutrient-rich waters support dense beds of Neptune's seagrass, home to protected pipefish, blue swimmer crabs, rays and juvenile garfish. The intertidal zone reveals razorfish beds, mangrove-lined creeks and saltmarsh habitat — a unique snorkeling environment where you can drift above lush underwater pastures at high tide, observing the intricate marine life that relies on this critical estuarine ecosystem.
Upper Gulf St Vincent Marine Park (seagrass beds & intertidal area)
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Wave Height 0.1 mSwell Period 8.3 sWind Speed 6.1 knPrecipitation 13 mmTidal Phase ebb
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Community contribution: submitted by Daniel
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Moderate risk: Shifting tides
The upper gulf has a significant tidal range. Incoming and outgoing tides create currents that can carry snorkelers across the shallow flats away from entry points.
Low risk: Soft muddy substrate
Intertidal mudflats can be very soft and slippery, making entry and exit difficult at low tide. Snorkeling is best at high tide over the seagrass beds.
Low risk: Boat traffic
Some areas of the marine park are accessible by boat and vessel traffic may be present near channels. Snorkelers should stay aware of their surroundings.
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Getting in
Shore entry
Entry
The Upper Gulf St Vincent Marine Park stretches from Port Wakefield south to just north of Adelaide. The best shore-access snorkeling is at high tide from beaches along the eastern Yorke Peninsula coast, or via small towns like Port Wakefield, Ardrossan, or Pine Point. From Adelaide, drive north-west via the Port Wakefield Highway (A1) for approximately 1 hour.
Parking & facilities
Limited roadside parking available at beach access points along Yorke Peninsula. No dedicated snorkel parking lots.
Free entry. No permits required for recreational snorkeling within the marine park.
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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