Surf Forecasts:
Goolwa Rivermouth surf forecast from 22 Oct 2026:
- Best quality surf: Friday 23 Oct, 7AM (local time) - 7ft (2.1m), 18s period, SW swell with onshore winds.
- Most powerful swell: Thursday 29 Oct, 10PM (local time) - 8ft (2.4m), 16s period, SSW swell with 2,716 kJ wave energy.
- Next surfable swell (1★+): Friday 23 Oct, 7AM (local time) - 7ft (2.1m), 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 Friday (Oct 23) at 7AM. The primary swell is predicted to be 2.1m and 18s period with a secondary swell of 1.9m and 17s. 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 2.4m 16s and forecast to arrive on Thursday (Oct 29) at 10PM. Winds are predicted to be cross-shore at the time the swell arrives.
| Wave Type | Time (ACDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Fri 23rd Oct) | 7ft (2.1m) 18s |
| Best Surf | 7AM (Fri 23rd Oct) | 7ft (2.1m) 18s |
| Most Powerful | 10PM (Thu 29th Oct) | 8ft (2.4m) 16s |
Table - best surf conditions forecast for Goolwa Rivermouth over the next 16 days.
Short Range ForecastModerate rain (total 15mm), heaviest on Sat night. Warm (max 29°C on Thu afternoon, min 13°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the S by Sat afternoon). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 14°C on Sun afternoon, min 11°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun afternoon, calm by Tue night). | |||||||||||||||||||
Thu 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||||
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 16 | SW 19 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 11 | SW 11 |
Wave Graph  | ||||||||||||||||||||
 kJ | 2080 | 1124 | 2657 | 2537 | 2270 | 1738 | 2262 | 2065 | 1649 | 1956 | 1349 | 1184 | 1864 | 1027 | 734 | 667 | 587 | 472 | 411 | 485 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | on | cross-on | cross | on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-off |
High Tide | 2:22AM0.48m | 1:10PM0.55m | 2:27AM0.57m | 2:03PM0.49m | 2:42AM0.67m | 2:52PM0.41m | 3:04AM0.77m | 3:38PM0.32m | 3:31AM0.86m | 4:19PM0.23m | 4:03AM0.92m | 4:48PM0.15m | ||||||||
Low Tide | 7:42PM0.13m | 7:23AM0.33m | 7:52PM0.16m | 8:31AM0.25m | 7:59PM0.18m | 9:30AM0.18m | 8:03PM0.20m | 10:28AM0.12m | 8:01PM0.19m | 11:27AM0.08m | 7:56PM0.16m | 12:33PM0.07m | 7:50PM0.12m | |||||||
 |  |  | |  |  |  |  |  | |  | | | | | | | | | | |
 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — |
 | 7:35 | — | — | 7:35 | — | — | 7:36 | — | — | 7:37 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — |
mm | — | — | — | — | — | — | 1 | 10 | 4 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 25 | 18 | 17 | 14 | 19 | 15 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 |
Feels °C | 27 | 25 | 16 | 15 | 12 | 16 | 9 | 8 | 7 | 7 | 8 | 8 | 7 | 8 | 11 | 8 | 8 | 10 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SW 17 | SW 16 | SW 16 | SW 16 | — | SW 15 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SSW 11 | SW 11 |
| kJ | 2080 | 1034 | 2657 | 2537 | 2270 | 1738 | — | 2065 | 1191 | 1956 | 1349 | 1184 | 1864 | 1027 | 734 | 667 | 587 | 472 | 411 | 485 |
Swell 2 Height (m) Direction Period (s) | — | SW 19 | WSW 18 | — | — | — | — | WSW 15 | WSW 14 | — | WSW 13 | — | — | — | S 9 | S 9 | S 8 | S 8 | — | — |
| kJ | — | 1124 | 582 | — | — | — | — | 874 | 1072 | — | 902 | — | — | — | 2 | 14 | 6 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 864 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 4 | — | SW 16 | SSE 5 | SW 14 | — | — | — | SW 14 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 8 | — | 2262 | 28 | 1649 | — | — | — | 1150 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 17 | 10 | 155 | 391 | 155 | 10 | 597 | 155 | 398 | 569 | 17 | 155 | 562 | 155 | 23 | 398 | 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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