Surf Forecasts:
Onrus surf forecast from 16 Oct 2026:
- Best quality surf: Tuesday 20 Oct, 11PM (local time) - 10ft (3.0m), 12s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 21 Oct, 5PM (local time) - 10ft (3.0m), 12s period, WSW swell with 2,525 kJ wave energy.
- Next surfable swell (1★+): Sunday 18 Oct, 8PM (local time) - 8ft (2.4m), 13s period with SW swell.
Best Forecast Surf Conditions for Onrus this week:
The surf forecast for Onrus over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Oct 18) at 8PM. The primary swell is predicted to be 2.4m and 13s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Onrus in the next 16 days are 3.0m 12s and forecast to arrive on Wednesday (Oct 21) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Wednesday (Oct 21) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Sun 18th Oct) | 8ft (2.4m) 13s |
| Best Surf | 11PM (Tue 20th Oct) | 10ft (3.0m) 12s |
| Most Powerful | 5PM (Wed 21st Oct) | 10ft (3.0m) 12s |
Table - best surf conditions forecast for Onrus over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Sat morning. Very mild (max 19°C on Fri night, min 11°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 8mm), mostly falling on Wed night. Very mild (max 17°C on Tue afternoon, min 12°C on Mon night). Winds decreasing (fresh winds from the NW on Wed afternoon, light winds from the SSW by Thu afternoon). | ||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 603 | 2008 | 1914 | 1914 | 2023 | 2082 | 1470 | 1149 | 963 | 688 | 725 | 1256 | 1999 | 2108 | 2525 | 1635 | 999 | 866 | 766 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | on | on | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross | cross-on |
High Tide | 6:38AM1.09m | 6:48PM1.06m | 7:56AM1.01m | 8:23PM0.97m | 10:05AM1.02m | 10:35PM0.99m | 11:26AM1.12m | 11:46PM1.09m | 12:11PM1.25m | 00:31AM1.21m | 12:46PM1.39m | 1:08AM1.33m | |||||||
Low Tide | 00:16AM0.51m | 12:36PM0.64m | 1:12AM0.61m | 2:05PM0.73m | 3:05AM0.67m | 4:41PM0.71m | 4:58AM0.62m | 5:53PM0.59m | 5:55AM0.52m | 6:34PM0.46m | 6:35AM0.41m | 7:08PM0.31m | |||||||
 |  | |  |  | |  |  |  |  | | | | | | | | | | |
 | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — |
 | 6:57 | — | 6:58 | — | — | 6:59 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:01 | — |
mm | 1 | 4 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 3 | — | — |
Temp °C | 19 | 15 | 14 | 12 | 12 | 12 | 13 | 15 | 16 | 15 | 16 | 17 | 15 | 17 | 16 | 17 | 16 | 16 | 16 |
Feels °C | 16 | 12 | 12 | 8 | 9 | 10 | 11 | 11 | 12 | 11 | 12 | 12 | 11 | 11 | 10 | 14 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 12 | WSW 12 | WSW 12 | WSW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 603 | 2008 | 1914 | 1914 | 2023 | 2082 | 1470 | 1149 | 963 | 688 | 725 | 1256 | 1999 | 2108 | 2525 | 1635 | 999 | 866 | 766 |
Swell 2 Height (m) Direction Period (s) | E 9 | WNW 9 | WNW 10 | SSW 13 | — | — | — | — | — | E 8 | E 7 | — | — | — | ESE 11 | ESE 9 | W 10 | W 10 | W 10 |
| kJ | 1 | 115 | 19 | 17 | — | — | — | — | — | 5 | 1 | — | — | — | 11 | 8 | 177 | 200 | 128 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 9 | SE 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 4 | — |
Wind waves Height (m) Direction Period (s) | W 10 | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NNW 5 | WNW 7 | — | — | — | — |
| kJ | 354 | — | — | — | — | — | — | — | — | — | — | — | 21 | 33 | 458 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 8 | 40 | 23 | 10 | 10 | 32 | 32 | 0 | 66 | 0 | 31 | 67 | 0 | 103 | 253 | 0 | 17 | 32 | 4 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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 Onrus 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 Onrus Surf forecast
The above surf forecast table for Onrus provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Onrus can be found by selecting the local surf guide option on the grey menu. Our Onrus 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 (Onrus) 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 Onrus 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.
Onrus is 6 km (4 miles) from Hermanus. If you plan a holiday in Overberg, look for hotels and other accommodation in Hermanus. Hermanus has rooms for a wide range of budgets as well as car hire and transport links.
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