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Cactus Surf Forecast
/ SA – Nullarbor (9 breaks) / South Australia (91 breaks) /
Surf Forecasts:
Cactus surfForecast / SA – Nullarbor / Australia
48hr Weather and Surf, issued 2 pm Wednesday 20 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
18.3° C
(Which is normal for this time of year)How big are the waves at Cactus today?
The current surf forecast for Cactus at 7PM is: 0.8m 16s primary swell from a Southwest direction and 1.0m 11s secondary swell from a Southwest direction (forecast issued at 02:30pm May 20). The wind direction is predicted to be cross-offshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 2.5ft (0.8m) | 16s |
| Evening (20 May) | 2.5ft (0.8m) | 15s |
Table - waves today at Cactus. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Fri night. Warm (max 22°C on Fri afternoon, min 14°C on Sat morning). Winds increasing (light winds from the NE on Thu afternoon, fresh winds from the N by Fri morning). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | |
306 | 302 | 295 | 280 | 262 | 528 | 520 | 520 | 513 | 447 | 382 | 322 | 199 | 215 | 224 | 285 | 341 | 472 | 588 | 535 | 459 | 422 | 732 | 386 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | |
High Tide | 1:48PM1.28m | 00:38AM0.67m | 2:05PM1.16m | 00:41AM0.69m | 2:17PM1.04m | 00:46AM0.68m | ||||||||||||||||||
Low Tide | 8:25PM0.45m | 6:47AM0.06m | 8:31PM0.52m | 7:00AM0.14m | 8:37PM0.55m | 7:06AM0.26m | ||||||||||||||||||
 | |  | | | | | | |  |  |  | | | |  | | | | | | |  |  | |
 | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:24 | — |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | 5:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | |
Temp °C | 16 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 19 | 21 | 21 | 21 | 19 | 17 | 16 | 16 | 19 | 22 | 21 | 19 | 18 | 16 | 16 | 15 |
16 | 15 | 13 | 14 | 13 | 13 | 12 | 11 | 15 | 19 | 17 | 16 | 14 | 11 | 10 | 10 | 11 | 15 | 16 | 12 | 11 | 11 | 12 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | — | SW 13 |
 kJ | 228 | 250 | 255 | 217 | 183 | 528 | 520 | 520 | 513 | 447 | 382 | 322 | 199 | 215 | 224 | 285 | 341 | 472 | 588 | 535 | 459 | 422 | — | 386 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | — | — | — | — | — | — | — | SW 16 | SW 17 | SW 16 | — | — | — | — | — | — | NNW 4 | — | WSW 5 |
| kJ | 306 | 302 | 295 | 280 | 262 | — | — | — | — | — | — | — | 90 | 43 | 42 | — | — | — | — | — | — | 21 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 3 | ENE 3 | — | NE 3 | — | — | — | — | NE 3 | N 3 | N 4 | N 4 | N 4 | N 4 | NNW 3 | N 3 | N 4 | — | SW 13 | WSW 5 |
| kJ | — | — | — | — | 1 | 2 | — | 2 | — | — | — | — | 2 | 5 | 12 | 18 | 14 | 7 | 4 | 8 | 18 | — | 732 | 37 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 401 | 401 | 401 | 1 | 401 | 401 | 401 | 401 | 401 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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