
Surf Forecasts:
Goolwa Rivermouth surf forecast from 31 Jul 2026:
- Best quality surf: Saturday 1 Aug, 3PM (local time) - 7ft (2.1m), 17s period, SW swell with cross-offshore winds.
- Most powerful swell: Monday 3 Aug, 6AM (local time) - 11ft (3.5m), 15s period, SW swell with 4,730 kJ wave energy.
- Next surfable swell (1★+): Saturday 1 Aug, 6AM (local time) - 3.5ft (1.1m), 18s period with SW 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 Saturday (Aug 01) at 6AM. The primary swell is predicted to be 1.1m and 18s period with a secondary swell of 1.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Goolwa Rivermouth in the next 16 days are 3.5m 15s and forecast to arrive on Monday (Aug 03) at 6AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 4s period and expected on Sunday (Aug 02) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 6AM (Sat 1st Aug) | 3.5ft (1.1m) 18s |
| Best Surf | 3PM (Sat 1st Aug) | 7ft (2.1m) 17s |
| Most Powerful | 6AM (Mon 3rd Aug) | 11ft (3.5m) 15s |
Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sat afternoon, min 9°C on Sat morning). Winds increasing (light winds from the NNW on Sat afternoon, fresh winds from the NW by Sun morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Thu morning, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | |||||||||||||||
AM | PM | 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 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 15 | SSW 14 | SSW 17 | SW 16 | SW 18 | SW 16 | SW 15 | SW 18 | SW 16 |
Wave Graph | |||||||||||||||||||||
1644 | 2396 | 2256 | 1467 | 1323 | 2953 | 3761 | 3110 | 1817 | 988 | 651 | 366 | 656 | 508 | 504 | 636 | 1149 | 1780 | 1474 | 2750 | 1504 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off | off | glassy | cross-off | cross-off | cross-on | cross-off | off | cross-off | off |
High Tide | 3:57PM0.86m | 4:45AM0.46m | 4:18PM0.78m | 5:06AM0.53m | 4:35PM0.68m | 5:32AM0.59m | 4:45PM0.56m | 6:01AM0.64m | 4:33PM0.45m | 6:39AM0.68m | 7:38AM0.69m | ||||||||||
Low Tide | 10:59PM0.03m | 9:48AM0.18m | 11:06PM0.05m | 10:27AM0.20m | 11:10PM0.07m | 11:11AM0.25m | 11:10PM0.09m | 12:07PM0.32m | 11:00PM0.09m | 10:39PM0.06m | 10:13PM0.00m | ||||||||||
7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:07 | — | — | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | |
— | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:34 | — | — | 5:35 | — | |
mm | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 14 | 12 | 12 | 13 | 12 | 12 | 13 | 12 | 11 | 12 | 13 | 12 | 15 | 15 | 13 | 18 | 18 | 16 |
Feels °C | 8 | 9 | 7 | 5 | 7 | 6 | 6 | 5 | 6 | 8 | 8 | 9 | 9 | 11 | 10 | 13 | 13 | 12 | 14 | 14 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SW 17 | SW 16 | SW 16 | SW 15 | SW 18 | SW 14 | — | SW 13 | SSW 12 | SSW 11 | SSW 11 | SSW 15 | SSW 14 | SSW 13 | SW 16 | SW 18 | SW 16 | SW 15 | SW 18 | SW 16 |
1644 | 2396 | 2256 | 1467 | 1323 | 80 | 2667 | — | 1817 | 988 | 651 | 366 | 656 | 508 | 290 | 636 | 1149 | 1780 | 1474 | 2750 | 1504 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WSW 18 | — | — | SW 18 | SW 16 | SW 15 | SW 14 | SW 19 | SW 18 | SSW 17 | SSW 7 | S 8 | SSW 8 | SW 19 | WSW 18 | — |
— | — | — | — | — | 399 | — | — | 249 | 261 | 326 | 206 | 540 | 481 | 504 | 16 | 11 | 13 | 1077 | 854 | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSW 18 | — | — | — | — | — | SW 21 | WSW 19 | WSW 18 | — | SW 20 | SSW 8 | — | WSW 20 | SSW 18 | — |
— | — | — | — | — | 211 | — | — | — | — | — | 341 | 251 | 223 | — | 98 | 13 | — | 485 | 785 | — | |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | NNW 4 | NNW 4 | WNW 5 | SW 15 | SW 14 | SW 14 | — | — | — | — | — | — | — | N 2 | — | — | — | — | NNE 3 |
5 | 6 | 10 | 27 | 84 | 2953 | 3761 | 3110 | — | — | — | — | — | — | — | 1 | — | — | — | — | 8 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 15 | 15 | 487 | 17 | 391 | 562 | 554 | 17 | 17 | 175 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 17 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)
Latest Updates
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.











