Surf Forecasts:
Dump Beach surf forecast from 18 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 3AM (local time) - 5ft (1.6m), 14s period, SW swell with offshore winds.
- Most powerful swell: Thursday 23 Jul, 6AM (local time) - 10ft (3.0m), 14s period, SSW swell with 3,993 kJ wave energy.
- Next surfable swell (1★+): Saturday 18 Jul, 9PM (local time) - 3.5ft (1.0m), 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 Saturday (Jul 18) at 9PM. The primary swell is predicted to be 1.0m and 13s period with a secondary swell of 0.1m and 22s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Dump Beach in the next 16 days are 3.0m 14s and forecast to arrive on Thursday (Jul 23) 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 0.8m 4s period and expected on Wednesday (Jul 22) at 3AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9PM (Sat 18th Jul) | 3.5ft (1.0m) 13s |
| Best Surf | 3AM (Tue 21st Jul) | 5ft (1.6m) 14s |
| Most Powerful | 6AM (Thu 23rd Jul) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Dump Beach over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 13°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 15°C on Tue afternoon, min 9°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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 13 | SSW 13 | SSW 12 | SSW 18 | SSW 16 | SW 16 | SW 15 | SSW 14 | SW 13 | SW 13 | SW 12 | SW 13 | SSW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 400 | 346 | 218 | 214 | 339 | 573 | 489 | 961 | 854 | 689 | 428 | 1120 | 1425 | 3761 | 3662 | 2930 | 3291 | 2374 | 1875 | 2035 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | glassy | cross-off | cross-on | off |
High Tide | 2:44AM0.81m | 3:06PM1.12m | 3:24AM0.88m | 3:20PM1.06m | 4:08AM0.94m | 3:29PM1.02m | 4:58AM0.98m | 3:26PM0.99m | 6:05AM1.00m | 11:08AM1.14m | ||||||||||
Low Tide | 9:47PM0.57m | 7:49AM0.47m | 9:45PM0.54m | 8:25AM0.58m | 9:53PM0.52m | 8:53AM0.72m | 10:07PM0.51m | 8:57AM0.86m | 10:26PM0.51m | 8:04AM0.99m | 10:45PM0.53m | 10:29PM0.55m | ||||||||
 |  | | | | |  |  | | | |  | | |  | |  | | | | |
 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — |
 | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:23 | — | — | 5:23 | — | — | 5:24 | — | — | 5:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 11 | 12 | 11 | 10 | 11 | 11 | 11 |
Feels °C | 15 | 12 | 11 | 12 | 12 | 13 | 12 | 13 | 11 | 12 | 11 | 9 | 7 | 5 | 7 | 6 | 6 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SSW 13 | SSW 12 | SSW 11 | SSW 16 | SW 16 | SW 15 | SSW 14 | SW 13 | SW 13 | SW 12 | — | — | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 400 | 346 | 218 | 95 | 339 | 573 | 489 | 961 | 854 | 689 | 428 | — | — | 3761 | 3662 | 2930 | 3291 | 2374 | 1875 | 2035 |
Swell 2 Height (m) Direction Period (s) | — | SW 22 | SW 20 | SW 12 | S 10 | SSW 10 | S 10 | S 9 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 18 | 97 | 92 | 54 | 34 | 17 | 7 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 22 | — | SSW 18 | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 18 | — | 214 | 73 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NE 3 | NNE 2 | N 3 | NNW 3 | — | NNW 3 | NW 4 | — | — | WNW 3 | WNW 3 | SW 13 | SSW 11 | — | — | — | — | — | — | — |
| kJ | 2 | 1 | 1 | 2 | — | 4 | 3 | — | — | 3 | 5 | 1120 | 1425 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 579 | 593 | 165 | 134 | 134 | 0 | 0 | 30 | 0 |
Best forecast wave conditions in South Australia - East Coast | ||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
Nearest