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Big Bay Surf Forecast
/ Cape Town (69 surf breaks) /
Big Bay surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Monday 21 Jul 2025 SAST
How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 3PM is: 3.0m 13s primary swell from a Southwest direction (forecast issued at 01:00pm July 21). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 8ft (2.5m) | 14s |
| Afternoon (21 Jul) | 10ft (3.0m) | 13s |
| Evening (21 Jul) | 10ft (3.0m) | 12s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 2504 | 2658 | 2757 | 2436 | 2146 | 1835 | 1662 | 1314 | 989 | 854 | 1278 | 895 | 773 | 658 | 593 | 552 | 426 | 334 | 378 | 511 | 539 | 841 | 1109 | 1293 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 12:45PM 1.21 | 1:00AM 1.34 | 1:44PM 1.31 | 1:57AM 1.41 | 2:33PM 1.41 | 2:46AM 1.46 | ||||||||||||||||||
Low Tide / height (m) | 6:50PM 0.41 | 7:31AM 0.23 | 7:52PM 0.31 | 8:21AM 0.16 | 8:43PM 0.23 | |||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:43 |
| Sunset | - | - | 5:59 | - | - | - | - | - | - | - | 5:59 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - |
 |  | |  | | | | | | | | | | | | | | | |  | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 14 | 13 | 12 | 11 | 10 | 10 | 11 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 17 | 17 | 14 | 14 | 14 | 14 | 13 |
| Feels °C (?) | 12 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 12 | 13 | 14 | 13 | 11 | 12 | 12 | 13 | 15 | 15 | 12 | 12 | 12 | 12 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Cape Town
Continuing clean conditions at Big Bay (light winds from the S at Plattekloof Glen wx 14 km from Big Bay). A 2.6m groundswell from the SW
1 h 32 min ago
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.
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