Surf Forecasts:
Goolwa Rivermouth surf forecast from 8 Jul 2026:
- Best quality surf: Sunday 12 Jul, 12AM (local time) - 11ft (3.5m), 12s period, SW swell with cross-shore winds.
- Most powerful swell: Tuesday 14 Jul, 6AM (local time) - 11ft (3.5m), 17s period, SW swell with 7,851 kJ wave energy.
- Next surfable swell (1★+): Thursday 9 Jul, 9AM (local time) - 5ft (1.5m), 15s 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 Thursday (Jul 09) at 9AM. The primary swell is predicted to be 1.5m and 15s period with a secondary swell of 0.3m and 20s. 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 17s and forecast to arrive on Tuesday (Jul 14) 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 1.5m 5s period and expected on Saturday (Jul 11) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 9th Jul) | 5ft (1.5m) 15s |
| Best Surf | 12AM (Sun 12th Jul) | 11ft (3.5m) 12s |
| Most Powerful | 6AM (Tue 14th Jul) | 11ft (3.5m) 17s |
Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat morning. Very mild (max 15°C on Thu afternoon, min 11°C on Thu morning). Winds increasing (light winds from the NNE on Thu afternoon, strong winds from the NW by Sat morning). | Days 4-6 Weather SummaryMostly dry. Very mild (max 15°C on Sun morning, min 10°C on Tue night). Winds decreasing (fresh winds from the W on Mon morning, light winds from the E by Tue night). | ||||||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
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) | SW 15 | SSW 14 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 10 | SW 12 | SW 14 | SW 14 | SW 14 | SW 16 | SW 14 | SW 15 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 966 | 691 | 1552 | 1006 | 844 | 590 | 407 | 2426 | 3335 | 5863 | 5404 | 3601 | 4829 | 3468 | 3979 | 7667 | 6569 | 4605 | 3040 | 2411 | 1533 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-off | cross | cross-off |
High Tide | 10:25AM0.68m | 12:09PM0.78m | 1:16PM0.88m | 2:05PM0.96m | 2:46PM1.01m | 3:21PM1.01m | |||||||||||||||
Low Tide | 11:43PM0.10m | 10:53PM0.03m | 10:41PM-0.06m | 10:53PM-0.11m | 11:11PM-0.12m | 11:28PM-0.09m | 11:37PM-0.03m | ||||||||||||||
 | |  | | | |  | |  | |  | | | | |  | | | | | | |
 | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:20 | — | — |
 | — | 5:15 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:17 | — | — | 5:19 | — |
mm | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 15 | 15 | 13 | 14 | 12 | 13 | 15 | 15 | 13 | 15 | 15 | 13 | 13 | 13 | 13 | 9 | 10 | 10 |
Feels °C | 11 | 12 | 11 | 12 | 11 | 9 | 5 | 3 | 6 | 9 | 10 | 8 | 8 | 9 | 9 | 9 | 8 | 11 | 6 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 15 | SSW 14 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | — | — | — | SW 14 | SW 14 | SW 16 | SW 14 | SW 15 | SW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 14 |
| kJ | 966 | 691 | 1552 | 1006 | 844 | 590 | 407 | — | — | — | 5404 | 3601 | 4829 | 3468 | 3979 | 7667 | 6569 | 4605 | 3040 | 2411 | 1533 |
Swell 2 Height (m) Direction Period (s) | SW 20 | SW 18 | — | — | — | — | — | — | — | — | — | SSW 17 | — | SSW 20 | SSW 18 | — | — | — | — | — | — |
| kJ | 63 | 628 | — | — | — | — | — | — | — | — | — | 1588 | — | 253 | 1464 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 283 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNE 3 | — | N 3 | NNE 3 | NW 4 | NW 3 | WNW 5 | SW 10 | SW 12 | SW 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | 5 | 3 | 3 | 6 | 105 | 2426 | 3335 | 5863 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 17 | 738 | 858 | 1005 | 1012 | 1153 | 23 | 852 | 1094 | 562 | 17 | 155 | 17 | 15 | 18 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Goolwa Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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