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Onrus surfForecast / Overberg / South Africa
12 Day Weather and Surf, issued 1 am Friday 20 Jun 2025 SAST
Best Forecast Surf Conditions for Onrus this week:
The surf forecast for Onrus over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Jun 20) at 5AM. The primary swell is predicted to be 3.5m and 12s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Onrus in the next 12 days are 5.0m 13s and forecast to arrive on Friday (Jun 20) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 5s period and expected on Friday (Jun 20) at 5AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 20th Jun) | 11ft (3.5m) 12s |
| Best Surf | 5AM (Fri 20th Jun) | 11ft (3.5m) 12s |
| Most Powerful | 5PM (Fri 20th Jun) | 16ft (5.0m) 13s |
Table - best surf conditions forecast for Onrus over the next 12 days.
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 12 | 13 | 15 | 14 | 14 | 13 | 12 | 14 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 11 | 14 | 15 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 5113 | 16464 | 8992 | 4481 | 3015 | 1988 | 1726 | 9405 | 5001 | 7362 | 8525 | 7836 | 4499 | 4232 | 5133 | 8120 | 7191 | 10058 | 5660 | 4526 | 1804 | 2015 | 3293 | 2699 | 11890 | 15643 | 16274 | 12973 | 10943 | 6129 | 3695 | 2898 | 2648 | 1886 | 1834 | 1723 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | off | off | cross- off | off | cross- off | cross- off | off | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | on | cross- on | on | cross | glass | on | cross- on | cross- on | cross- on | cross- off |
High Tide / height (m) | 10:39AM 1.18 | 11:00PM 1.41 | 11:50AM 1.24 | 12:05AM 1.46 | 12:52PM 1.32 | 1:04AM 1.51 | 1:47PM 1.40 | 1:59AM 1.55 | 2:37PM 1.47 | 2:50AM 1.57 | 3:25PM 1.52 | 3:38AM 1.56 | 4:10PM 1.54 | 4:23AM 1.52 | 4:54PM 1.53 | 5:07AM 1.45 | 5:37PM 1.50 | 5:49AM 1.36 | 6:20PM 1.45 | 6:32AM 1.27 | 7:03PM 1.39 | 7:17AM 1.17 | 7:48PM 1.31 | |||||||||||||
Low Tide / height (m) | 4:34PM 0.45 | 5:38AM 0.30 | 5:46PM 0.41 | 6:40AM 0.23 | 6:52PM 0.35 | 7:36AM 0.16 | 7:50PM 0.28 | 8:27AM 0.11 | 8:44PM 0.22 | 9:14AM 0.08 | 9:33PM 0.19 | 9:58AM 0.08 | 10:21PM 0.20 | 10:41AM 0.11 | 11:07PM 0.23 | 11:21AM 0.17 | 11:52PM 0.29 | 12:01PM 0.24 | 12:38AM 0.36 | 12:40PM 0.33 | 1:24AM 0.43 | 1:20PM 0.42 | ||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 01 | |||||||||||||||||||||||||
| Sunrise | 7:48 | - | - | 7:48 | - | - | 7:48 | - | - | 7:48 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - | 7:50 | - | - |
| Sunset | - | 5:39 | - | - | 5:39 | - | - | 5:39 | - | - | 5:40 | - | - | 5:40 | - | - | 5:40 | - | - | 5:40 | - | - | 5:42 | - | - | 5:42 | - | - | 5:42 | - | - | 5:43 | - | - | 5:43 | - |
 |  |  |  | |  |  | |  |  | |  | | | |  |  |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | 1 | - | - | - | 3 | 1 | - | - | - | - | - | - | 9 | 30 | 10 | 9 | 3 | 1 | - | 2 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 15 | 16 | 18 | 15 | 15 | 15 | 14 | 15 | 16 | 14 | 14 | 16 | 14 | 12 | 11 | 11 | 10 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 | 12 | 14 | 13 | 15 | 17 | 13 | 13 | 17 | 21 |
| Feels °C (?) | 9 | 10 | 11 | 14 | 15 | 12 | 12 | 10 | 10 | 10 | 11 | 11 | 9 | 9 | 8 | 7 | 6 | 3 | 4 | 6 | 4 | 2 | 4 | 7 | 9 | 9 | 10 | 9 | 11 | 10 | 13 | 15 | 11 | 8 | 12 | 17 |
Short Range Forecast: Light rain (total 6mm), mostly falling on Sun morning. Very mild (max 18°C on Sat afternoon, min 14°C on Fri night). Winds decreasing (strong winds from the WNW on Fri morning, light winds from the NW by Fri night). | Days 3-6 Weather Summary Heavy rain (total 58mm), heaviest during Wed morning. Very mild (max 16°C on Mon afternoon, min 9°C on Wed night). Winds increasing (light winds from the NW on Mon night, fresh winds from the NW by Tue afternoon). | Days 6-9 Weather Summary Light rain (total 8mm), mostly falling on Thu morning. Very mild (max 15°C on Sat morning, min 9°C on Thu morning). Winds decreasing (strong winds from the NW on Fri morning, light winds from the SE by Sat night). | Long Range Forecast: Mostly dry. Warm (max 21°C on Tue night, min 10°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 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 12 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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