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Cactus Surf Forecast
/ SA – Nullarbor (9 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Cactus surfForecast / SA – Nullarbor / Australia
16 Day Weather and Surf, issued 8 pm Saturday 02 May 2026 ACSTForecast update in hr min s Forecast update imminent
Cactus surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cactus sea temperature is
19.4° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Cactus this week:
The surf forecast for Cactus over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (May 06) at 3AM. The primary swell is predicted to be 1.3m and 15s period with a secondary swell of 0.3m and 21s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Cactus in the next 16 days are 3.0m 16s and forecast to arrive on Thursday (May 07) at 3PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Sunday (May 10) at 12AM.
| Wave Type | Time (ACST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Wed 6th May) | 4.5ft (1.3m) 15s |
| Best Surf | 3AM (Wed 6th May) | 4.5ft (1.3m) 15s |
| Most Powerful | 3PM (Thu 7th May) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Cactus over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 9mm), mostly falling on Sun morning. Very mild (max 17°C on Sun night, min 14°C on Sat night). Winds decreasing (fresh winds from the WNW on Sun morning, light winds from the SSW by Tue morning). | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 17°C on Wed morning, min 14°C on Wed night). Winds increasing (calm on Tue night, strong winds from the S by Wed afternoon). | ||||||||||||||||||||
Sunday 3 | Monday 4 | Tuesday 5 | Wednesday 6 | Thursday 7 | Friday 8 | Sat 9 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 13 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SSW 11 | SW 13 | SW 12 | SW 16 | SW 14 | SW 13 | SSW 8 | SSW 12 | SSW 16 | SW 16 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | |
2567 | 2241 | 2013 | 1519 | 1004 | 836 | 988 | 659 | 502 | 406 | 650 | 827 | 588 | 1045 | 3812 | 1909 | 1289 | 1094 | 1203 | 1144 | 854 | |
Wind (km/h) | |||||||||||||||||||||
on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | |
High Tide | 00:23AM0.95m | 12:44PM1.42m | 00:39AM0.93m | 1:04PM1.42m | 00:55AM0.90m | 1:25PM1.38m | 1:11AM0.87m | 1:48PM1.31m | 1:28AM0.81m | 2:13PM1.23m | 1:42AM0.72m | 2:42PM1.11m | 1:43AM0.63m | 3:19PM0.97m | |||||||
Low Tide | 6:11AM-0.03m | 7:08PM0.09m | 6:27AM-0.04m | 7:28PM0.13m | 6:45AM-0.03m | 7:49PM0.19m | 7:03AM0.01m | 8:14PM0.26m | 7:21AM0.07m | 8:43PM0.36m | 7:36AM0.16m | 9:26PM0.47m | 7:40AM0.27m | ||||||||
 |  | | |  |  |  | | |  | | | |  | | | | | | | | |
 | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — |
 | — | — | 5:58 | — | — | 5:58 | — | — | 5:57 | — | — | 5:55 | — | — | 5:54 | — | — | 5:53 | — | — | 5:52 |
1 | 3 | 1 | 2 | 2 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 16 | 15 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 17 | 17 |
9 | 8 | 9 | 11 | 11 | 10 | 12 | 14 | 15 | 14 | 14 | 11 | 6 | 7 | 8 | 9 | 10 | 12 | 13 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 11 | SW 13 | SW 12 | SW 12 | SW 14 | — | SW 18 | SW 15 | SSW 16 | SW 16 | SW 14 | — | — | SW 13 | SW 13 |
 kJ | — | — | — | — | — | — | 988 | 659 | 502 | 264 | 650 | — | 199 | 209 | 3812 | 1909 | 1289 | — | — | 1144 | 854 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 18 | SW 16 | SW 16 | SW 20 | — | — | SW 18 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 12 | 96 | 406 | 102 | — | — | 300 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 24 | SW 21 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 22 | 72 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SW 11 | — | — | — | SW 14 | SW 13 | SSW 8 | SSW 12 | SW 16 | SW 16 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 |
| kJ | 2567 | 2241 | 2013 | 1519 | 1004 | 836 | 615 | — | — | — | 73 | 827 | 588 | 1045 | 2146 | 63 | 84 | 1094 | 1203 | 47 | 44 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 648 | 1111 | 1171 | 1149 | 1227 | 1227 | 552 | 243 | 491 | 0 | 1045 | 1045 | 1049 | 941 | 1489 | 940 | 1035 | 1052 | 0 | 0 | 491 |
Best forecast wave conditions in Nullarbor | |||||||||||||||||||||
Best forecast wave conditions in Australia | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 Cactus 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 Cactus Surf forecast
The above surf forecast table for Cactus provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Cactus can be found by selecting the local surf guide option on the grey menu. Our Cactus 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 (Cactus) 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 Cactus 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.
Are you planning a holiday in Nullarbor? If you are looking for accommodation near Cactus, camping, hotels and holiday cottages in Nullarbor, consider staying in Thevenard which is 63 km (39 miles) away.
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