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) - 13ft (4.0m), 12s period, WSW swell with 3,781 kJ wave energy.
- Next surfable swell (1★+): Friday 16 Oct, 8PM (local time) - 5.5ft (1.7m), 11s period with W 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 Friday (Oct 16) at 8PM. The primary swell is predicted to be 1.7m and 11s period with a secondary swell of 1.3m and 12s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Onrus in the next 16 days are 4.0m 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 1.8m 6s period and expected on Wednesday (Oct 21) at 2AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Fri 16th Oct) | 5.5ft (1.7m) 11s |
| Best Surf | 11PM (Tue 20th Oct) | 10ft (3.0m) 12s |
| Most Powerful | 5PM (Wed 21st Oct) | 13ft (4.0m) 12s |
Table - best surf conditions forecast for Onrus over the next 16 days.
Short Range ForecastModerate rain (total 12mm), heaviest on Sat morning. Warm (max 22°C on Fri morning, min 12°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Wed night. Very mild (max 18°C on Wed morning, min 12°C on Mon night). Winds increasing (light winds from the WNW on Mon morning, strong winds from the NW by Wed morning). | ||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||
AM | PM | 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 13 | W 10 | W 10 | 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 12 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 790 | 783 | 580 | 2008 | 1824 | 1914 | 2017 | 1969 | 1591 | 1229 | 963 | 688 | 677 | 1624 | 2256 | 2410 | 3781 | 1783 | 1130 | 1004 | 836 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-on |
High Tide | 6:01PM1.17m | 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 | 11:51AM0.52m | 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 | ||||||||
 |  |  |  | |  |  | | | | |  | | | | | | |  | |  | |
 | 6:00 | — | — | 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 | 5 | 3 | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | 4 | 2 | — | — |
Temp °C | 22 | 22 | 19 | 15 | 14 | 12 | 12 | 12 | 13 | 15 | 16 | 14 | 15 | 17 | 15 | 18 | 16 | 16 | 17 | 18 | 16 |
Feels °C | 18 | 17 | 16 | 13 | 12 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 11 | 12 | 12 | 9 | 9 | 11 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | 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 12 | SW 11 | SW 11 |
| kJ | 790 | 465 | 551 | 2008 | 1824 | 1914 | 2017 | 1969 | 1591 | 1229 | 963 | 688 | 677 | 1256 | 2256 | 2410 | 2755 | 1783 | 1130 | 1004 | 836 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | W 10 | W 9 | WNW 10 | SSW 13 | — | — | — | — | ESE 8 | ESE 8 | E 8 | E 8 | E 9 | — | — | ESE 10 | W 11 | W 10 | W 10 |
| kJ | 2 | 2 | 354 | 133 | 19 | 17 | — | — | — | — | 13 | 13 | 5 | 1 | 7 | — | — | 10 | 229 | 204 | 162 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 10 | ESE 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 10 | — |
Wind waves Height (m) Direction Period (s) | W 11 | W 10 | W 10 | — | — | — | — | — | — | — | — | W 5 | NNW 4 | SW 11 | WNW 6 | NNW 6 | WSW 12 | W 10 | — | — | — |
| kJ | 526 | 783 | 580 | — | — | — | — | — | — | — | — | 46 | 7 | 1624 | 211 | 53 | 3781 | 520 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 72 | 72 | 0 | 40 | 352 | 10 | 10 | 206 | 67 | 17 | 8 | 0 | 8 | 65 | 10 | 103 | 206 | 0 | 31 | 66 | 4 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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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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