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Big Bay Surf Forecast
/ Cape Town (69 surf breaks) /
Big Bay surfForecast / Cape Town / South Africa
12 Day Weather and Surf, issued 7 am Tuesday 15 Apr 2025 SAST
Best Forecast Surf Conditions for Big Bay this week:
The surf forecast for Big Bay over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 15) at 11AM. The primary swell is predicted to be 3.0m and 13s period with a secondary swell of 0.2m and 16s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Big Bay in the next 12 days are 3.0m 17s and forecast to arrive on Wednesday (Apr 16) at 11PM. 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 Wednesday (Apr 16) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 15th Apr) | 10ft (3.0m) 13s |
| Best Surf | 11PM (Wed 16th Apr) | 10ft (3.0m) 17s |
| Most Powerful | 11PM (Wed 16th Apr) | 10ft (3.0m) 17s |
Table - best surf conditions forecast for Big Bay over the next 12 days.
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| 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) (?) | 13 | 13 | 13 | 13 | 13 | 16 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 11 | 6 | 6 | 7 | 8 | 8 | 11 | 11 | 10 | 18 | 16 | 9 | 11 | 12 | 11 | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 2948 | 2979 | 2584 | 1999 | 2254 | 4665 | 2834 | 2109 | 1452 | 908 | 657 | 469 | 224 | 147 | 184 | 212 | 620 | 350 | 277 | 205 | 165 | 150 | 216 | 481 | 1176 | 2734 | 2204 | 1307 | 901 | 920 | 2268 | 2084 | 1734 | 1243 | 908 | 554 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | off | glass | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross | cross- on | glass | glass | cross- off | cross- off | cross- off | cross | off | cross | cross- off | off |
High Tide / height (m) | 4:33PM 1.38 | 4:38AM 1.41 | 5:01PM 1.31 | 5:07AM 1.33 | 5:33PM 1.23 | 5:39AM 1.24 | 6:11PM 1.14 | 6:19AM 1.14 | 7:08PM 1.06 | 7:24AM 1.05 | 8:42PM 1.03 | 9:12AM 1.01 | 10:25PM 1.09 | 10:54AM 1.08 | 11:34PM 1.23 | 12:01PM 1.20 | 12:24AM 1.39 | 12:53PM 1.34 | 1:08AM 1.55 | 1:38PM 1.46 | 1:50AM 1.67 | 2:21PM 1.55 | 2:32AM 1.74 | |||||||||||||
Low Tide / height (m) | 10:25AM 0.16 | 10:31PM 0.27 | 10:51AM 0.22 | 10:59PM 0.34 | 11:20AM 0.30 | 11:29PM 0.42 | 11:54AM 0.39 | 12:07AM 0.51 | 12:40PM 0.47 | 1:05AM 0.60 | 1:53PM 0.54 | 2:52AM 0.65 | 3:41PM 0.55 | 4:49AM 0.57 | 5:10PM 0.47 | 5:59AM 0.41 | 6:08PM 0.35 | 6:48AM 0.24 | 6:56PM 0.24 | 7:32AM 0.08 | 7:39PM 0.13 | 8:13AM -0.04 | 8:22PM 0.06 | |||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| Sunrise | 7:07 | - | - | 7:07 | - | - | 7:09 | - | - | 7:09 | - | - | 7:11 | - | - | 7:11 | - | - | 7:11 | - | - | 7:13 | - | - | 7:13 | - | - | 7:13 | - | - | 7:15 | - | - | 7:16 | - | - |
| Sunset | - | 6:22 | - | - | 6:22 | - | - | 6:21 | - | - | 6:20 | - | - | 6:19 | - | - | 6:16 | - | - | 6:15 | - | - | 6:15 | - | - | 6:14 | - | - | 6:13 | - | - | 6:12 | - | - | 6:10 | - |
 | |  | | |  | | | | |  | |  | | | | | | | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 21 | 18 | 18 | 21 | 18 | 21 | 25 | 24 | 25 | 26 | 24 | 21 | 22 | 19 | 19 | 20 | 17 | 18 | 19 | 16 | 17 | 18 | 16 | 18 | 18 | 17 | 17 | 18 | 16 | 18 | 23 | 22 | 24 | 25 | 19 |
| Feels °C (?) | 15 | 18 | 15 | 16 | 19 | 16 | 20 | 22 | 22 | 24 | 23 | 22 | 21 | 21 | 18 | 17 | 16 | 11 | 14 | 15 | 13 | 16 | 17 | 12 | 15 | 15 | 16 | 17 | 16 | 14 | 16 | 21 | 20 | 21 | 23 | 17 |
Short Range Forecast: Mostly dry. Warm (max 25°C on Thu afternoon, min 15°C on Tue morning). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 26°C on Fri afternoon, min 15°C on Sun night). Winds increasing (calm on Sat morning, fresh winds from the SSE by Sun night). | Days 6-9 Weather Summary Light rain (total 4mm), mostly falling on Tue afternoon. Very mild (max 19°C on Mon afternoon, min 15°C on Mon morning). Winds decreasing (strong winds from the SSE on Tue night, calm by Wed night). | Long Range Forecast: Mostly dry. Warm (max 25°C on Sat afternoon, min 15°C on Thu morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Big Bay 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 Big Bay Surf forecast
The above surf forecast table for Big Bay provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Big Bay can be found by selecting the local surf guide option on the grey menu. Our Big Bay 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 (Big Bay) 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 Big Bay 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.
Big Bay is 8 km (5 miles) from the very large city of Robben Island. If you plan a holiday in Cape Town, look for hotels and other accommodation in Robben Island. Robben Island has rooms for a wide range of budgets as well as cheap car hire and transport links.
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