Decres Bay is a sheltered natural harbour on South Australia's Far West Coast, about 10 km south of Ceduna within Wittlebee Conservation Park. Its protected waters, long sandy swimming beach, and rocky reef edges offer calm, clear conditions ideal for snorkeling. The bay sits against dramatic limestone cliffs overlooking the Great Australian Bight, with Australian sea lions often seen basking on nearby rocks or cruising through the shallows. Historically a wheat-export port, the bay is now a peaceful camping and swimming spot with direct shore access and excellent birdwatching opportunities along the coastal scrub.
Decres Bay
BeginnerMAYBE
MAYBE
Fair. Experienced snorkellers only.
Showing last known conditions
Wave Height 0.7 mSwell Period 11 sWind Speed 4.6 knPrecipitation 40 mmTidal Phase slack
Last evaluated
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Community contribution: submitted by Daniel
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Low risk: Rocky reef edges
Submerged rocks and limestone reef platforms border the sandy beach, particularly at the bay's northern and southern ends.
Low risk: Ocean swell surge
The Great Australian Bight can produce powerful ocean swells that surge into the bay, especially during southerly winds.
Low risk: Fishing activity
Rock fishing from the headlands occurs here, creating potential hazards from fishing lines and hooks in swimming areas.
Wildlife Guide
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Getting in
Shore entry
Entry
From Ceduna, travel south on the Flinders Highway (Eyre Highway) for approximately 10 km, then follow the unsealed access road into Wittlebee Conservation Park. The bay is signposted from the highway.
Parking & facilities
Unsealed car parking area near the beach within Wittlebee Conservation Park.
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Entry to Wittlebee Conservation Park may require a vehicle entry fee (check with SA Parks). Camping fees apply for overnight stays at the Decres Bay camping area.
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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