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Big Bay Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Big Bay surfForecast / Cape Town / South Africa
12 Day Weather and Surf, issued 1 pm Monday 02 Mar 2026 SASTForecast update in hr min s Forecast update imminent
Big Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Big Bay sea temperature is
18.1° C
(Which is 1.4°C colder than average for this time of year)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 Monday (Mar 02) at 11PM. The primary swell is predicted to be 2.5m and 13s period with a secondary swell of 0.2m and 19s. 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 3.5m 11s and forecast to arrive on Saturday (Mar 07) 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 1.6m 6s period and expected on Saturday (Mar 07) at 2AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 2nd Mar) | 8ft (2.5m) 13s |
| Best Surf | 11PM (Mon 2nd Mar) | 8ft (2.5m) 13s |
| Most Powerful | 5PM (Sat 7th Mar) | 11ft (3.5m) 11s |
Table - best surf conditions forecast for Big Bay over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 4mm), mostly falling on Thu morning. Warm (max 21°C on Wed morning, min 15°C on Mon night). Wind will be generally light. | Days 3-6 Weather Summary Some drizzle, heaviest during Thu afternoon. Warm (max 20°C on Thu afternoon, min 14°C on Sat night). Winds increasing (calm on Thu night, strong winds from the SSE by Sat afternoon). | ||||||||||||||||||||||
Mon 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 2982 | 1920 | 956 | 604 | 652 | 553 | 804 | 1439 | 1094 | 739 | 524 | 606 | 406 | 283 | 2246 | 2749 | 1929 | 2084 | 1766 | 759 | 579 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | cross | cross- on | cross- off | cross | cross- on | cross- on | cross- on | on | glass | on | on | cross | cross- off | cross- off | off | cross- off | cross- off | off | off | ||
High Tide / height (m) | 2:59PM 1.51 | 3:18AM 1.63 | 3:33PM 1.54 | 3:49AM 1.67 | 4:05PM 1.53 | 4:19AM 1.65 | 4:35PM 1.49 | 4:48AM 1.60 | 5:04PM 1.43 | 5:16AM 1.51 | 5:33PM 1.34 | 5:43AM 1.40 | 6:01PM 1.24 | 6:12AM 1.27 | |||||||||
Low Tide / height (m) | 9:08PM 0.05 | 9:33AM 0.04 | 9:40PM 0.03 | 10:05AM 0.02 | 10:09PM 0.05 | 10:35AM 0.05 | 10:38PM 0.10 | 11:03AM 0.10 | 11:05PM 0.17 | 11:30AM 0.19 | 11:32PM 0.27 | 11:57AM 0.29 | 11:58PM 0.38 | 12:25PM 0.41 | |||||||||
Mon 02 | Tuesday 03 | Wednesday 04 | Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||
| Sunrise | - | - | 6:35 | - | - | 6:35 | - | - | 6:35 | - | - | 6:37 | - | - | 6:37 | - | - | 6:39 | - | - | 6:39 | ||
| Sunset | 7:21 | - | - | 7:20 | - | - | 7:19 | - | - | 7:17 | - | - | 7:15 | - | - | 7:15 | - | - | 7:14 | - | - | ||
 |  | | | | | | |  | | |  |  |  | | | | | | | | |||
Rain (mm) | - | - | - | - | - | - | - | - | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 18 | 17 | 18 | 19 | 18 | 21 | 21 | 19 | 20 | 20 | 18 | 20 | 20 | 19 | 18 | 19 | 16 | 20 | 27 | 24 | 27 | ||
| Feels °C (?) | 13 | 13 | 16 | 15 | 16 | 21 | 19 | 20 | 17 | 18 | 19 | 19 | 18 | 18 | 11 | 11 | 7 | 17 | 23 | 21 | 25 | ||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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 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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