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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 8 pm Saturday 16 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
18.2° C
(Which is normal for this time of year)How big are the waves at Cactus today?
The current surf forecast for Cactus at 12AM is: 1.6m 15s primary swell from a Southwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 08:30pm May 16). The wind direction is predicted to be cross-onshore.
| Time (ACST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.3m) | 14s |
| Afternoon (17 May) | 4ft (1.2m) | 13s |
| Evening (17 May) | 4.5ft (1.3m) | 13s |
Table - waves today at Cactus. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 17°C on Sat night, min 16°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||
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 | 12 PM | 3 PM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | |
1402 | 1384 | 1169 | 924 | 899 | 716 | 656 | 495 | 495 | 553 | 495 | 480 | 473 | 398 | 367 | 277 | 272 | 268 | 259 | 245 | 241 | 283 | 338 | 338 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | |
High Tide | 00:22AM0.78m | 12:39PM1.48m | 00:36AM0.70m | 1:05PM1.46m | 00:41AM0.65m | 1:28PM1.39m | ||||||||||||||||||
Low Tide | 6:56PM0.06m | 5:50AM0.05m | 7:27PM0.13m | 6:04AM0.03m | 7:54PM0.24m | 6:18AM0.01m | ||||||||||||||||||
 | | | | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — |
 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 |
17 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | SW 18 |
 kJ | 1402 | 1384 | 1169 | 924 | 899 | 716 | 656 | 495 | 495 | 553 | 495 | 480 | 473 | 398 | 367 | 277 | 272 | 268 | 259 | 245 | 241 | 283 | 338 | 155 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 23 | SW 21 | SW 21 | SW 21 | SW 21 | SW 20 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 21 | 18 | 18 | 18 | 17 | 60 | 97 | 60 | 58 | 112 | 255 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | — | — | — | — | — | SSE 2 | — | — | — | — | — | SW 12 | SW 12 | SW 12 | SW 12 | SW 19 | SW 11 | SW 11 | SW 12 | SW 12 |
| kJ | 64 | 62 | 60 | 54 | — | — | — | — | — | 1 | — | — | — | — | — | 37 | 37 | 36 | 22 | 59 | 33 | 46 | 48 | 338 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 287 | 491 | 243 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 491 | 632 | 510 | 491 | 510 | 510 | 552 | 648 | 941 | 1049 |
Best forecast wave conditions in Nullarbor | ||||||||||||||||||||||||
Best forecast wave conditions in Australia | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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