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Onrus surfForecast / Overberg / South Africa
12 Day Weather and Surf, issued 1 am Thursday 08 May 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 Thursday (May 08) at 5AM. The primary swell is predicted to be 2.1m and 12s period with a secondary swell of 0.7m and 11s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Onrus in the next 12 days are 4.5m 12s and forecast to arrive on Saturday (May 10) 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 1.4m 6s period and expected on Friday (May 09) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Thu 8th May) | 7ft (2.1m) 12s |
| Best Surf | 8AM (Sat 10th May) | 11ft (3.5m) 10s |
| Most Powerful | 5PM (Sat 10th May) | 15ft (4.5m) 12s |
Table - best surf conditions forecast for Onrus over the next 12 days.
Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||||||
| 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 | 12 | 12 | 13 | 13 | 12 | 11 | 12 | 11 | 12 | 11 | 13 | 12 | 12 | 13 | 14 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 10 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 1243 | 1158 | 1117 | 1384 | 909 | 452 | 3730 | 5378 | 2323 | 1846 | 1478 | 821 | 461 | 792 | 2483 | 3369 | 2641 | 2005 | 1634 | 1091 | 1266 | 825 | 748 | 1131 | 614 | 455 | 349 | 434 | 207 | 1977 | 2538 | 1875 | 1191 | 720 | 645 | 478 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | off | cross- off | off | off | cross- off | cross- off | cross- off | glass | cross- off | off | cross- off | glass | cross- on | on | cross- on | glass | glass | cross- off | glass | glass | glass | glass | cross | cross- off | cross- off | cross- off | cross- off | cross- on | on | cross- on | cross- on | cross- on | off |
High Tide / height (m) | 1:13PM 1.24 | 1:18AM 1.41 | 1:45PM 1.31 | 1:49AM 1.46 | 2:15PM 1.37 | 2:19AM 1.49 | 2:45PM 1.41 | 2:49AM 1.50 | 3:15PM 1.42 | 3:19AM 1.50 | 3:45PM 1.42 | 3:50AM 1.47 | 4:16PM 1.39 | 4:21AM 1.42 | 4:49PM 1.35 | 4:54AM 1.36 | 5:27PM 1.30 | 5:32AM 1.30 | 6:11PM 1.25 | 6:18AM 1.22 | 7:06PM 1.22 | 7:19AM 1.15 | 8:16PM 1.21 | |||||||||||||
Low Tide / height (m) | 7:12PM 0.41 | 7:44AM 0.28 | 7:45PM 0.36 | 8:12AM 0.22 | 8:15PM 0.32 | 8:40AM 0.19 | 8:45PM 0.29 | 9:08AM 0.17 | 9:15PM 0.29 | 9:36AM 0.18 | 9:45PM 0.30 | 10:06AM 0.21 | 10:16PM 0.33 | 10:37AM 0.25 | 10:49PM 0.38 | 11:11AM 0.30 | 11:26PM 0.44 | 11:50AM 0.35 | 12:12AM 0.50 | 12:37PM 0.41 | 1:13AM 0.55 | 1:38PM 0.46 | ||||||||||||||
Thursday 08 | Friday 09 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||||||
| Sunrise | 7:22 | - | - | 7:24 | - | - | 7:24 | - | - | 7:26 | - | - | 7:26 | - | - | 7:26 | - | - | 7:28 | - | - | 7:28 | - | - | 7:28 | - | - | 7:30 | - | - | 7:31 | - | - | 7:31 | - | - |
| Sunset | - | 5:54 | - | - | 5:53 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:51 | - | - | 5:50 | - | - | 5:50 | - | - | 5:49 | - | - | 5:47 | - | - | 5:46 | - | - | 5:46 | - |
 | |  |  | |  |  |  |  | | |  | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 2 | 2 | 4 | 14 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 16 | 18 | 20 | 17 | 16 | 16 | 15 | 16 | 17 | 15 | 15 | 17 | 14 | 17 | 21 | 20 | 24 | 25 | 23 | 23 | 23 | 22 | 24 | 24 | 19 | 18 | 17 | 15 | 15 | 16 | 14 | 14 | 18 | 16 |
| Feels °C (?) | 19 | 17 | 15 | 16 | 16 | 13 | 7 | 8 | 11 | 14 | 15 | 14 | 12 | 14 | 13 | 15 | 19 | 18 | 22 | 23 | 21 | 22 | 21 | 20 | 23 | 22 | 19 | 12 | 11 | 10 | 12 | 12 | 9 | 10 | 16 | 15 |
Short Range Forecast: Heavy rain (total 22mm), heaviest during Sat night. Warm (max 20°C on Fri afternoon, min 14°C on Sat night). Winds increasing (calm on Thu morning, near gales from the WNW by Sat afternoon). | Days 3-6 Weather Summary Some drizzle, heaviest during Sun morning. Warm (max 21°C on Tue afternoon, min 13°C on Sun night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 25°C on Wed afternoon, min 17°C on Fri night). Wind will be generally light. | Long Range Forecast: Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 18°C on Sat morning, min 10°C on Sun night). Winds decreasing (fresh winds from the WNW on Sat morning, calm by Mon night). | |||||||||||||||||||||||||||||||||
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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 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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