- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am Saturday 21 Mar 2026 SASTForecast update in hr min s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
20.6° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 2PM is: 1.3m 12s primary swell from a South-southwest direction and 1.0m 9s secondary swell from a South-southeast direction (forecast issued at 07:00am March 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 4.5ft (1.3m) | 10s |
| Afternoon (21 Mar) | 4.5ft (1.3m) | 12s |
| Evening (21 Mar) | 4ft (1.2m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 15 | 15 | 14 | 14 | 14 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 386 | 319 | 485 | 485 | 493 | 485 | 405 | 399 | 336 | 319 | 285 | 234 | 234 | 234 | 290 | 408 | 698 | 1039 | 1460 | 1635 | 1399 | 1224 | 1173 | 1034 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | on | cross- on | on | on | on | on | on | on | cross- on | cross- on |
High Tide / height (m) | 4:47PM 1.88 | 5:01AM 2.00 | 5:25PM 1.76 | 5:40AM 1.84 | 6:06PM 1.59 | |||||||||||||||||||
Low Tide / height (m) | 10:42AM -0.02 | 10:47PM 0.09 | 11:18AM 0.08 | 11:24PM 0.22 | 11:57AM 0.25 | 12:06AM 0.40 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tue 24 | |||||||||||||||||||||
| Sunrise | - | 6:41 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:49 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:46 | - | - | - |
 |  | | | | | | | | | |  | |  | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 20 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | 19 |
| Feels °C (?) | 18 | 18 | 17 | 17 | 15 | 15 | 16 | 17 | 18 | 17 | 17 | 18 | 17 | 16 | 16 | 18 | 16 | 17 | 15 | 14 | 13 | 14 | 13 | 11 |
- 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 Arniston 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.
Nearest