- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
16 Day Weather and Surf, issued 1 pm Wednesday 22 Apr 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
19.4° C
(Which is 1.5°C warmer than normal for this time of year)Best Forecast Surf Conditions for Arniston this week:
The surf forecast for Arniston over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Apr 24) at 8AM. The primary swell is predicted to be 2.1m and 8s period with a secondary swell of 1.8m and 8s. Another secondary swell of 1.0m and 12s is also forecast. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Arniston in the next 16 days are 3.0m 16s and forecast to arrive on Wednesday (Apr 22) at 11PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Saturday (Apr 25) at 2PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Fri 24th Apr) | 7ft (2.1m) 8s |
| Best Surf | 8AM (Fri 24th Apr) | 7ft (2.1m) 8s |
| Most Powerful | 11PM (Wed 22nd Apr) | 10ft (3.0m) 16s |
Table - best surf conditions forecast for Arniston over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 23°C on Fri afternoon, min 14°C on Thu morning). Winds decreasing (strong winds from the ENE on Thu night, calm by Fri night). | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Sun night. Warm (max 22°C on Sat afternoon, min 14°C on Sun night). Winds increasing (light winds from the W on Sat night, fresh winds from the S by Sun night). | ||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
S 16 | S 15 | S 14 | S 13 | E 8 | ESE 8 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | SSW 8 | SSW 10 | S 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SE 11 | SE 11 | |
6520 | 4145 | 1949 | 1121 | 573 | 350 | 394 | 311 | 215 | 235 | 125 | 103 | 356 | 2176 | 1783 | 1452 | 1357 | 1360 | 1237 | 1045 | 604 | |
Wind (km/h) | |||||||||||||||||||||
on | cross-on | cross-on | cross-on | cross-on | cross-on | on | glassy | cross-off | cross-off | off | off | off | cross | cross-on | cross-on | on | on | on | cross-on | cross-on | |
High Tide | 7:06PM1.45m | 7:33AM1.37m | 8:38PM1.35m | 9:22AM1.26m | 10:29PM1.38m | 11:10AM1.29m | 11:46PM1.50m | 12:17PM1.40m | 00:36AM1.63m | 1:02PM1.51m | 1:14AM1.73m | 1:39PM1.60m | 1:47AM1.80m | ||||||||
Low Tide | 1:21AM0.62m | 2:03PM0.60m | 3:13AM0.71m | 3:53PM0.65m | 5:09AM0.65m | 5:24PM0.59m | 6:19AM0.52m | 6:23PM0.50m | 7:05AM0.39m | 7:06PM0.41m | 7:40AM0.28m | 7:42PM0.35m | 8:11AM0.21m | ||||||||
 |  | | | | | | |  | | | |  |  | | |  |  | | | | |
 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 |
 | 6:07 | — | — | 6:06 | — | — | 6:05 | — | — | 6:02 | — | — | 6:01 | — | — | 6:00 | — | — | 6:00 | — | 5:59 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | 4 | 1 | — | — | — | |
Temp °C | 16 | 16 | 15 | 17 | 17 | 19 | 23 | 21 | 22 | 22 | 18 | 19 | 22 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
11 | 10 | 7 | 9 | 10 | 15 | 20 | 21 | 19 | 18 | 16 | 15 | 16 | 10 | 7 | 8 | 10 | 10 | 10 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | S 16 | S 15 | S 14 | S 13 | S 12 | ESE 8 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | SE 11 | SE 11 |
 kJ | 6520 | 4145 | 1949 | 1121 | 497 | 350 | 394 | 311 | 215 | 235 | 125 | 103 | 57 | 1545 | 1783 | 1452 | 1357 | 1360 | 1237 | 1045 | 604 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | SSW 11 | S 11 | SSW 11 | SW 11 | S 9 | SW 10 | SSE 16 | SW 15 | E 9 | SW 12 | SW 12 | E 10 | SW 11 | S 12 | SSW 9 | SE 14 |
| kJ | — | — | — | — | — | 167 | 151 | 113 | 63 | 6 | 25 | 24 | 33 | 41 | 53 | 89 | 31 | 40 | 47 | 118 | 317 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | S 12 | SSE 10 | SSE 10 | S 9 | S 18 | SSW 12 | SSW 15 | SSE 15 | — | E 9 | E 10 | SW 11 | E 10 | E 10 | E 10 | S 11 |
| kJ | — | — | — | — | — | 42 | 18 | 18 | 14 | 6 | 13 | 22 | 21 | — | 23 | 33 | 30 | 17 | 17 | 8 | 85 |
Wind waves Height (m) Direction Period (s) | — | ENE 4 | E 6 | E 6 | E 8 | — | — | — | WSW 2 | SW 11 | WSW 5 | WSW 10 | SSW 8 | SSW 10 | — | — | — | — | — | — | E 5 |
| kJ | — | 19 | 141 | 243 | 573 | — | — | — | 1 | 202 | 9 | 98 | 356 | 2176 | — | — | — | — | — | — | 83 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 246 | 139 | 93 | 81 | 83 | 76 | 76 | 0 | 19 | 160 | 0 | 0 | 261 | 191 | 1488 | 1771 | 81 | 184 | 184 | 140 | 137 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- 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.
Information about the Arniston Surf forecast
The above surf forecast table for Arniston provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Arniston can be found by selecting the local surf guide option on the grey menu. Our Arniston 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 (Arniston) 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 Arniston 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 Overberg? If you are looking for accommodation near Arniston, camping, hotels and holiday cottages in Overberg, consider staying in Hermanus which is 97 km (60 miles) away.
Nearest