Surf Forecasts:
Goolwa Rivermouth surf forecast from 29 Jul 2026:
- Best quality surf: Thursday 30 Jul, 3AM (local time) - 8ft (2.4m), 13s period, SSW swell with onshore winds.
- Most powerful swell: Monday 3 Aug, 12PM (local time) - 10ft (3.0m), 14s period, SW swell with 4,110 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 3AM (local time) - 8ft (2.4m), 13s period with SSW swell.
Best Forecast Surf Conditions for Goolwa Rivermouth this week:
The surf forecast for Goolwa Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jul 30) at 3AM. The primary swell is predicted to be 2.4m and 13s period. The wind is predicted to be onshore as the swell arrives.
The most powerful waves expected at Goolwa Rivermouth in the next 16 days are 3.0m 14s and forecast to arrive on Monday (Aug 03) at 12PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 4s period and expected on Sunday (Aug 02) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Thu 30th Jul) | 8ft (2.4m) 13s |
| Best Surf | 3AM (Thu 30th Jul) | 8ft (2.4m) 13s |
| Most Powerful | 12PM (Mon 3rd Aug) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 10°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Sun afternoon. Very mild (max 13°C on Sat night, min 10°C on Sun afternoon). Winds decreasing (fresh winds from the NW on Sun morning, light winds from the SW by Mon night). | ||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | SW 21 |
Wave Graph  | |||||||||||||||||||
 kJ | 2531 | 1622 | 1207 | 809 | 647 | 554 | 512 | 1663 | 2396 | 2256 | 1467 | 1506 | 1881 | 2449 | 2734 | 1749 | 889 | 486 | 622 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross-on | on | on | on | cross-on | cross-on | glassy |
High Tide | 4:09AM0.30m | 3:12PM0.92m | 4:13AM0.34m | 3:35PM0.91m | 4:26AM0.40m | 3:57PM0.86m | 4:45AM0.46m | 4:18PM0.78m | 5:06AM0.53m | 4:35PM0.68m | 5:32AM0.59m | 4:45PM0.56m | |||||||
Low Tide | 10:32PM-0.00m | 7:54AM0.20m | 10:41PM0.01m | 8:33AM0.17m | 10:50PM0.02m | 9:10AM0.16m | 10:59PM0.03m | 9:48AM0.18m | 11:06PM0.05m | 10:27AM0.20m | 11:10PM0.07m | 11:11AM0.25m | 11:10PM0.09m | ||||||
 |  | | |  | |  | | | |  | | | |  |  | | | | |
 | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — |
 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 13 | 12 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
Feels °C | 9 | 9 | 8 | 9 | 8 | 10 | 9 | 9 | 10 | 8 | 3 | 6 | 7 | 5 | 6 | 8 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 18 | SW 17 | SW 16 | SW 16 | SW 15 | SW 18 | — | SSW 14 | SSW 13 | SSW 12 | SSW 11 | SW 14 |
| kJ | 2531 | 1622 | 1207 | 809 | 647 | 554 | 512 | 1663 | 2396 | 2256 | 1467 | 1506 | 80 | — | 2734 | 1749 | 889 | 486 | 482 |
Swell 2 Height (m) Direction Period (s) | — | — | S 10 | SW 23 | SW 21 | SW 20 | SW 18 | — | — | — | — | — | WSW 18 | — | — | SW 18 | SW 16 | SW 15 | SSW 9 |
| kJ | — | — | 158 | 21 | 72 | 306 | 327 | — | — | — | — | — | 352 | — | — | 249 | 261 | 232 | 126 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 23 | SW 21 | SSE 8 | SE 8 | — | — | — | — | — | SW 18 | — | — | SW 18 | SW 16 | SW 22 | SW 21 |
| kJ | — | — | — | 21 | 117 | 21 | 16 | — | — | — | — | — | 319 | — | — | 316 | 367 | 123 | 622 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | N 3 | — | — | NNW 4 | W 5 | SW 15 | SW 15 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 5 | — | — | 29 | 76 | 1881 | 2449 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 155 | 155 | 155 | 0 | 0 | 0 | 0 | 0 | 17 | 15 | 503 | 391 | 391 | 185 | 155 | 155 | 155 | 155 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
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Information about the Goolwa Rivermouth Surf forecast
The above surf forecast table for Goolwa Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Goolwa Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Goolwa Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Goolwa Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Goolwa Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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