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Cactus Surf Forecast
/ SA – Nullarbor (9 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Cactus surfForecast / SA – Nullarbor / Australia
12 Day Weather and Surf, issued 3 pm Friday 20 Feb 2026 ACDTForecast 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
20.5° C
(Which is normal for this time of year)Best Forecast Surf Conditions for Cactus this week:
The surf forecast for Cactus over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Feb 21) at 4AM. The primary swell is predicted to be 1.3m and 13s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Cactus in the next 12 days are 2.4m 15s and forecast to arrive on Tuesday (Feb 24) at 4AM. 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 Friday (Feb 27) at 10AM.
| Wave Type | Time (ACDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Sat 21st Feb) | 4.5ft (1.3m) 13s |
| Best Surf | 4AM (Sat 21st Feb) | 4.5ft (1.3m) 13s |
| Most Powerful | 4AM (Tue 24th Feb) | 8ft (2.4m) 15s |
Table - best surf conditions forecast for Cactus over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Heavy rain (total 33mm), heaviest during Sat night. Warm (max 23°C on Sat morning, min 17°C on Sun night). Winds increasing (calm on Sat morning, strong winds from the SSE by Sun afternoon). | Days 3-6 Weather Summary Mostly dry. Warm (max 20°C on Thu morning, min 17°C on Mon night). Winds increasing (moderate winds from the SSE on Mon night, strong winds from the SE by Wed night). | ||||||||||||||||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 8 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 899 | 651 | 374 | 325 | 301 | 418 | 569 | 427 | 1845 | 1761 | 1466 | 886 | 596 | 451 | 485 | 526 | 410 | 361 | 313 | 169 | 122 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- off | glass | cross- on | glass | cross- on | cross | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off | cross | cross- off | cross- off | cross | cross- off | cross- off | ||
High Tide / height (m) | 3:00AM 1.25 | 3:14PM 1.21 | 3:11AM 1.11 | 3:35PM 1.19 | 3:14AM 0.97 | 3:53PM 1.13 | 3:01AM 0.87 | 4:07PM 1.02 | 2:25AM 0.84 | 4:10PM 0.89 | 1:37AM 0.91 | 3:40PM 0.75 | 1:12AM 1.04 | ||||||||||
Low Tide / height (m) | 8:53PM -0.02 | 9:07AM -0.01 | 9:17PM 0.08 | 9:16AM 0.01 | 9:37PM 0.23 | 9:20AM 0.04 | 9:49PM 0.40 | 9:18AM 0.07 | 9:41PM 0.57 | 9:07AM 0.09 | 8:47PM 0.68 | 8:49AM 0.11 | 7:23PM 0.64 | 8:29AM 0.12 | |||||||||
Fri 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | |||||||||||||||||
| Sunrise | - | - | 7:20 | - | - | 7:20 | - | - | 7:20 | - | - | 7:22 | - | - | 7:22 | - | - | 7:24 | - | - | 7:24 | ||
| Sunset | 8:22 | - | - | 8:22 | - | - | 8:21 | - | - | 8:20 | - | - | 8:19 | - | - | 8:17 | - | - | 8:16 | - | - | ||
 |  |  |  |  | | |  |  | |  | |  | | | | | | | | | |||
Rain (mm) | - | - | 1 | 10 | 21 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 20 | 20 | 23 | 21 | 21 | 21 | 19 | 17 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 20 | 21 | 21 | 20 | ||
| Feels °C (?) | 19 | 19 | 24 | 19 | 24 | 23 | 15 | 11 | 14 | 14 | 16 | 14 | 13 | 11 | 11 | 11 | 10 | 15 | 16 | 17 | 15 | ||
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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 12 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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