Surf Forecasts:
Dump Beach surf forecast from 24 Aug 2026:
- Best quality surf: Sunday 30 Aug, 9PM (local time) - 8ft (2.5m), 19s period, SSW swell with glassy winds.
- Most powerful swell: Monday 31 Aug, 3AM (local time) - 10ft (3.0m), 18s period, SSW swell with 4,924 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 9AM (local time) - 6ft (1.8m), 13s 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 Wednesday (Aug 26) at 9AM. The primary swell is predicted to be 1.8m and 13s period with a secondary swell of 0.2m and 18s. 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 3.0m 18s and forecast to arrive on Monday (Aug 31) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Thursday (Aug 27) at 9AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Wed 26th Aug) | 6ft (1.8m) 13s |
| Best Surf | 9PM (Sun 30th Aug) | 8ft (2.5m) 19s |
| Most Powerful | 3AM (Mon 31st Aug) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Dump Beach over the next 16 days.
Short Range ForecastHeavy rain (total 23mm), heaviest during Mon night. Very mild (max 16°C on Thu morning, min 11°C on Tue night). Winds decreasing (fresh winds from the SSW on Tue morning, calm by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||
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 13 | SSW 14 | SSW 14 | SW 14 | SSW 13 | SSW 13 | SSW 11 | SSW 14 | SW 14 | SSW 18 | SW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 20 | SSW 16 | SSW 18 |
Wave Graph  | |||||||||||||||||||
 kJ | 669 | 2528 | 2573 | 2356 | 1044 | 914 | 492 | 603 | 661 | 1056 | 1842 | 1536 | 1083 | 785 | 599 | 451 | 359 | 1199 | 4885 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-off | cross | cross-off | off | off | off | glassy | cross | cross | cross-off | cross-on | glassy | cross | cross-on | cross-off |
High Tide | 00:40AM0.59m | 12:05PM1.20m | 00:37AM0.61m | 12:27PM1.20m | 00:45AM0.65m | 12:49PM1.19m | 00:59AM0.70m | 1:11PM1.16m | 1:17AM0.77m | 1:33PM1.12m | 1:37AM0.86m | 1:53PM1.06m | 2:01AM0.95m | ||||||
Low Tide | 3:14AM0.56m | 8:26PM0.43m | 4:30AM0.48m | 8:08PM0.40m | 5:20AM0.39m | 7:54PM0.38m | 6:00AM0.31m | 7:49PM0.36m | 6:35AM0.27m | 7:49PM0.35m | 7:09AM0.27m | 7:52PM0.34m | |||||||
 |  | |  |  | | |  | |  |  | | | | | | | | | |
 | — | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — |
 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:53 | — |
mm | 20 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 12 | 14 | 13 | 11 | 16 | 16 | 16 | 17 | 18 | 15 | 17 | 18 | 14 | 17 | 17 | 14 |
Feels °C | 8 | 9 | 8 | 9 | 13 | 11 | 9 | 12 | 12 | 13 | 15 | 16 | 14 | 14 | 15 | 13 | 16 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 14 | SW 14 | SSW 13 | SSW 13 | SSW 11 | SSW 14 | SW 14 | SSW 18 | SW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 16 | SSW 18 |
| kJ | 669 | 1623 | 1979 | 2356 | 1044 | 914 | 492 | 603 | 661 | 1056 | 1842 | 1536 | 1083 | 785 | 599 | 451 | 359 | 1199 | 4885 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 16 | — | — | SSW 18 | SSW 16 | SSW 16 | SW 22 | SW 20 | SW 13 | SSE 8 | SE 8 | WSW 15 | — | SSW 23 | SSW 21 | SSW 20 | SSW 20 | — |
| kJ | 80 | 508 | — | — | 31 | 53 | 94 | 118 | 309 | 431 | 6 | 2 | 851 | — | 53 | 178 | 336 | 609 | — |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSW 16 | — | — | — | — | SW 24 | SW 22 | — | SSE 8 | — | — | — | — | S 20 | — | SSW 16 | — | — |
| kJ | 81 | 339 | — | — | — | — | 22 | 227 | — | 7 | — | — | — | — | 8 | — | 103 | — | — |
Wind waves Height (m) Direction Period (s) | NE 4 | SSW 14 | SSW 14 | SSW 14 | — | — | — | NNE 3 | NW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | 2528 | 2573 | 1797 | — | — | — | 3 | 5 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 395 | 134 | 134 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 155 | 0 |
Best forecast wave conditions in South Australia - East Coast | |||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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