Surf Forecasts:
Goolwa Rivermouth surf forecast from 25 Jun 2026:
- Best quality surf: Wednesday 1 Jul, 6PM (local time) - 8ft (2.5m), 17s period, WSW swell with cross-shore winds.
- Most powerful swell: Thursday 2 Jul, 6PM (local time) - 11ft (3.5m), 13s period, SW swell with 4,480 kJ wave energy.
- Next surfable swell (1★+): Friday 26 Jun, 12AM (local time) - 3.5ft (1.0m), 12s 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 Friday (Jun 26) at 12AM. The primary swell is predicted to be 1.0m and 12s period with a secondary swell of 0.4m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Goolwa Rivermouth in the next 16 days are 3.5m 13s and forecast to arrive on Thursday (Jul 02) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.9m 6s period and expected on Thursday (Jul 02) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 12AM (Fri 26th Jun) | 3.5ft (1.0m) 12s |
| Best Surf | 6PM (Wed 1st Jul) | 8ft (2.5m) 17s |
| Most Powerful | 6PM (Thu 2nd Jul) | 11ft (3.5m) 13s |
Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Sat morning). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 9mm), mostly falling on Wed morning. Very mild (max 17°C on Mon morning, min 11°C on Sun night). Winds increasing (light winds from the NNW on Mon afternoon, strong winds from the WNW by Wed morning). | ||||||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 15 | SW 15 | SSW 16 | SSW 17 | SW 16 | SW 16 | SSW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 7 | WSW 16 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 397 | 294 | 287 | 881 | 1460 | 1588 | 1224 | 1031 | 791 | 640 | 503 | 337 | 352 | 459 | 407 | 395 | 304 | 380 | 657 | 2785 | 2356 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-on | cross-off | cross-off | cross-off | off | off | cross-off | off | off | cross-off | off | cross-off | cross-off | off | cross | cross-off | cross-off | cross-off |
High Tide | 12:12PM0.69m | 1:09PM0.75m | 1:53PM0.80m | 2:31PM0.86m | 3:04PM0.90m | 5:06AM0.23m | 3:34PM0.92m | 5:02AM0.25m | |||||||||||||
Low Tide | 00:29AM0.11m | 11:37PM0.09m | 11:03PM0.06m | 10:59PM0.03m | 11:07PM0.02m | 11:19PM0.01m | 7:27AM0.21m | 11:32PM0.01m | 8:20AM0.19m | ||||||||||||
 |  | | |  | | | |  |  | | | |  | |  | |  | | | | |
 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 | — | — | 7:24 |
 | 5:08 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | 5:12 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | 3 | 4 | 2 | — | — |
Temp °C | 12 | 12 | 12 | 12 | 13 | 12 | 15 | 14 | 14 | 15 | 13 | 17 | 15 | 15 | 17 | 17 | 16 | 13 | 13 | 13 | 13 |
Feels °C | 10 | 11 | 10 | 10 | 11 | 8 | 12 | 11 | 8 | 10 | 8 | 12 | 12 | 11 | 13 | 14 | 10 | 5 | 5 | 7 | 4 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SW 15 | SSW 16 | SSW 17 | SW 16 | SW 16 | SSW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | — | SW 16 | SW 14 |
| kJ | 397 | 294 | 243 | 881 | 1460 | 1588 | 1224 | 1031 | 791 | 640 | 503 | 337 | 352 | 459 | 407 | 395 | 304 | 380 | — | 1634 | 2356 |
Swell 2 Height (m) Direction Period (s) | SW 24 | SSW 16 | SSW 15 | SSW 21 | SW 19 | SSW 18 | — | — | — | — | — | — | — | — | WSW 11 | — | WSW 10 | SW 19 | — | — | — |
| kJ | 23 | 100 | 287 | 297 | 96 | 541 | — | — | — | — | — | — | — | — | 37 | — | 90 | 58 | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 19 | SSW 24 | SW 22 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 19 | — | — | — |
| kJ | 7 | 54 | 227 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 131 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ENE 3 | — | NE 3 | NE 3 | NE 3 | NE 3 | NNE 4 | N 3 | NNE 3 | N 3 | N 3 | N 4 | W 5 | WSW 7 | WSW 16 | WNW 6 |
| kJ | — | — | — | — | — | 3 | — | 6 | 9 | 5 | 12 | 17 | 6 | 8 | 5 | 7 | 9 | 120 | 657 | 2785 | 217 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 19 | 0 | 10 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 17 | 15 | 0 | 671 | 391 | 17 | 1002 |
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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