Rocky River Mouth
South Australia · Australia
Rating right now
An open SW-facing sand beach on the Coastal Waters near South Australia, Rocky River Mouth works on SE–W groundswell; N–NE winds offshore, with conditions most reliable october–april.
10-day forecast
Local time · updates hourly
Wave height & period
Wind
| Time | Rating | Waves | Swell | Wind | Air |
|---|---|---|---|---|---|
Water temperature by month
This month: ~15.1°C (59.2°F) on average
Jan
18.3°C
64.9°F · 16.6–20.9°C
Feb
18.9°C
66°F · 17.7–20.5°C
Mar
18.4°C
65.1°F · 17.3–19.9°C
Apr
18°C
64.4°F · 16.6–19.2°C
May
17.7°C
63.9°F · 16.6–19.1°C
Jun
17.2°C
63°F · 16.1–18.5°C
Jul
16.3°C
61.3°F · 14.9–17.2°C
Aug
15.5°C
59.9°F · 14.6–16.7°C
Sep
15.1°C
59.2°F · 14.5–16.1°C
Oct
15.2°C
59.4°F · 13.9–16.5°C
Nov
16°C
60.8°F · 14.6–17.7°C
Dec
17.2°C
63°F · 15.8–18.9°C
25-year monthly averages from the NOAA OISST satellite record — typical range min–max, not a live reading.
Know before you go
Best swell
SE–W
Best wind
N–NE
Break type
Beach break
Best season
October–April
Safety: Friendly by surf standards, but rip currents and drop-in etiquette still apply. Shifting sandbars create moving rip currents — learn to spot them and use them to get out back. Sharks are part of the ecosystem here — avoid dawn, dusk and murky rivermouth water.
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