Surf Forecasts:
Dump Beach surf forecast from 5 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 12PM (local time) - 15ft (4.5m), 18s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 13 Aug, 6AM (local time) - 23ft (7.0m), 18s period, SSW swell with 30,775 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 9AM (local time) - 4ft (1.2m), 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 Thursday (Aug 06) at 9AM. The primary swell is predicted to be 1.2m and 16s period with a secondary swell of 0.5m and 8s. 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 7.0m 18s and forecast to arrive on Thursday (Aug 13) at 6AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Tuesday (Aug 11) at 9PM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 6th Aug) | 4ft (1.2m) 16s |
| Best Surf | 12PM (Wed 12th Aug) | 15ft (4.5m) 18s |
| Most Powerful | 6AM (Thu 13th Aug) | 23ft (7.0m) 18s |
Table - best surf conditions forecast for Dump Beach over the next 16 days.
Short Range ForecastLight rain (total 6mm), mostly falling on Sat night. Very mild (max 18°C on Fri morning, min 12°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the NNW by Sat morning). | Days 4-6 Weather SummaryModerate rain (total 13mm), heaviest on Sun morning. Very mild (max 16°C on Tue morning, min 10°C on Sun afternoon). Mainly fresh winds. | ||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||
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) | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SW 8 | SW 19 | SW 17 | SSW 17 | SW 16 | SSW 14 | SSW 13 | SW 20 | SW 18 | SW 17 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 666 | 788 | 1368 | 1832 | 1222 | 1734 | 1273 | 1206 | 934 | 607 | 1187 | 12545 | 7201 | 5468 | 3021 | 1538 | 946 | 2834 | 10197 | 18336 | 21266 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | glassy | off | off | off | off | off | off | cross | cross | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross | cross |
High Tide | 2:51PM0.93m | 5:32AM1.07m | 11:20AM1.18m | 11:49AM1.29m | 12:17PM1.35m | 1:19AM0.55m | 12:44PM1.37m | 00:58AM0.58m | 1:09PM1.34m | 1:01AM0.63m | |||||||||||
Low Tide | 9:08PM0.47m | 8:35AM1.01m | 9:07PM0.45m | 9:11PM0.43m | 9:20PM0.42m | 9:28PM0.43m | 9:32PM0.46m | 4:36AM0.47m | 9:25PM0.50m | ||||||||||||
 | |  |  | |  |  | | |  |  | | | |  | | | | | | | |
 | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — |
 | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — |
mm | — | — | — | — | — | 2 | 2 | — | 2 | 9 | 1 | — | — | — | — | — | — | 3 | — | 1 | — |
Temp °C | 15 | 15 | 13 | 18 | 18 | 15 | 14 | 13 | 14 | 11 | 11 | 12 | 13 | 14 | 13 | 16 | 16 | 12 | 14 | 12 | 12 |
Feels °C | 13 | 14 | 13 | 13 | 13 | 8 | 9 | 8 | 10 | 5 | 3 | 7 | 7 | 9 | 8 | 9 | 9 | 7 | 7 | 5 | 5 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 15 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | — | — | SW 17 | SSW 17 | SW 16 | SSW 14 | SSW 13 | SSW 20 | SW 18 | — | — |
| kJ | 666 | 788 | 1368 | 1832 | 1222 | 1734 | 1273 | 1206 | 934 | 607 | — | — | 7201 | 5468 | 3021 | 1538 | 946 | 1514 | 8511 | — | — |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | SSW 7 | SSW 20 | SSW 18 | WNW 4 | — | W 6 | — | SSW 18 | — | — | — | — | S 7 | SSE 7 | SW 24 | SW 20 | — | — | — |
| kJ | 29 | 20 | 18 | 151 | 572 | 2 | — | 3 | — | 31 | — | — | — | — | 24 | 5 | 24 | 2834 | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSW 8 | WSW 20 | — | SSE 8 | SSW 6 | S 7 | — | — | — | SW 18 | — | — | — | — | — | — | SW 24 | — | — | — | — |
| kJ | 12 | 151 | — | 12 | 3 | 4 | — | — | — | 82 | — | — | — | — | — | — | 23 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | NNW 6 | — | N 3 | NNW 4 | NNW 4 | NW 4 | NNW 4 | SW 8 | SW 19 | — | — | NW 4 | NNW 4 | NNW 4 | SW 13 | SW 18 | SW 17 | SSW 17 |
| kJ | — | — | — | 19 | — | 8 | 24 | 10 | 31 | 25 | 1187 | 12545 | — | — | 40 | 27 | 31 | 1778 | 10197 | 18336 | 21266 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 134 | 0 | 0 | 0 | 0 | 170 | 5 | 7 | 343 | 449 | 790 | 406 | 3 | 0 | 579 | 579 | 3 | 580 | 1023 | 593 |
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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