Surf Forecasts:
Dump Beach surf forecast from 9 Aug 2026:
- Best quality surf: Friday 14 Aug, 6AM (local time) - 11ft (3.5m), 17s period, SSW swell with cross-offshore winds.
- Most powerful swell: Monday 10 Aug, 6AM (local time) - 11ft (3.5m), 19s period, SSW swell with 9,000 kJ wave energy.
- Next surfable swell (1★+): Monday 10 Aug, 9PM (local time) - 8ft (2.5m), 16s period with SSW swell.
Best Forecast Surf Conditions for Dump Beach this week:
The surf forecast for Dump Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 10) at 9PM. The primary swell is predicted to be 2.5m and 16s period with a secondary swell of 0.8m and 7s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Dump Beach in the next 16 days are 3.5m 19s and forecast to arrive on Monday (Aug 10) 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 1.0m 4s period and expected on Tuesday (Aug 11) at 12PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Mon 10th Aug) | 8ft (2.5m) 16s |
| Best Surf | 6AM (Fri 14th Aug) | 11ft (3.5m) 17s |
| Most Powerful | 6AM (Mon 10th Aug) | 11ft (3.5m) 19s |
Table - best surf conditions forecast for Dump Beach over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Sun afternoon. Very mild (max 15°C on Sun afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the SSW on Sun night, light winds from the WNW by Mon night). | Days 5-7 Weather SummarySome drizzle, heaviest during Wed afternoon. Very mild (max 15°C on Thu morning, min 11°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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 | SSW 18 | SSW 17 | SSW 16 | SSW 14 | SSW 14 | SW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 1018 | 5125 | 7805 | 5582 | 2827 | 1389 | 1126 | 5233 | 6109 | 6038 | 4821 | 4815 | 4381 | 3629 | 6479 | 4919 | 3392 | 2813 | 2387 | 1902 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-on | cross-on | cross | cross-off | off | off | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-on | on | on | on | cross |
High Tide | 12:17PM1.35m | 1:19AM0.55m | 12:44PM1.37m | 00:58AM0.58m | 1:09PM1.34m | 1:01AM0.63m | 1:30PM1.27m | 1:16AM0.71m | 1:49PM1.20m | 1:38AM0.81m | 2:06PM1.12m | 2:04AM0.90m | ||||||||
Low Tide | 9:20PM0.42m | 9:28PM0.43m | 9:32PM0.46m | 4:36AM0.47m | 9:25PM0.50m | 5:36AM0.40m | 9:03PM0.52m | 6:23AM0.35m | 8:38PM0.51m | 7:03AM0.35m | 8:25PM0.47m | |||||||||
 |  |  | |  |  | | | |  |  | | |  | | | | | | | |
 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — |
 | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — | — | 5:42 | — | — | 5:42 | — |
mm | 3 | 2 | — | — | — | — | — | 4 | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 12 | 11 | 14 | 15 | 12 | 14 | 13 | 12 | 15 | 14 | 14 | 15 | 14 | 13 | 12 | 13 | 12 |
Feels °C | 13 | 9 | 8 | 7 | 8 | 7 | 9 | 7 | 8 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 11 | 10 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 19 | SW 18 | SW 17 | SSW 16 | SSW 14 | SSW 14 | — | — | — | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 1018 | 5125 | 4642 | 4047 | 2827 | 1389 | 1126 | — | — | — | 4821 | 4815 | 4381 | 3629 | 6479 | 4919 | 3392 | 2813 | 2387 | 1902 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | WSW 18 | — | — | SSE 7 | — | SSW 18 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 909 | 2499 | — | — | 38 | — | 623 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 19 | SSW 18 | SSW 17 | — | NW 4 | NW 4 | SW 16 | SSW 16 | SW 16 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3520 | 7805 | 5582 | — | 24 | 28 | 5233 | 6109 | 6038 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 413 | 572 | 918 | 0 | 465 | 579 | 873 | 587 | 572 | 572 | 0 | 3 | 0 | 0 | 134 | 134 | 134 | 134 | 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 Dump Beach 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 Dump Beach Surf forecast
The above surf forecast table for Dump Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dump Beach can be found by selecting the local surf guide option on the grey menu. Our Dump Beach 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 (Dump Beach) 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 Dump Beach 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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