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Big Bay Surf Forecast
/ Cape Town (69 surf breaks) /
Surf Forecasts:
Big Bay surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Friday 05 Sep 2025 SAST
How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 2AM is: 1.2m 10s primary swell from a Southwest direction and 0.5m 15s secondary swell from a South-southwest direction, 1.2m 10s secondary swell from a South direction (forecast issued at 01:00am September 05). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 4ft (1.2m) | 12s |
| Afternoon (05 Sep) | 6ft (1.9m) | 13s |
| Evening (05 Sep) | 7ft (2.2m) | 12s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 627 | 794 | 693 | 1069 | 1203 | 1302 | 1157 | 1236 | 1957 | 2827 | 3249 | 3267 | 2904 | 2567 | 2491 | 2018 | 2290 | 2174 | 1929 | 1429 | 1772 | 2037 | 2471 | 2836 |
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 | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:34AM 1.31 | 2:00PM 1.41 | 2:11AM 1.43 | 2:33PM 1.55 | 2:46AM 1.52 | 3:05PM 1.67 | ||||||||||||||||||
Low Tide / height (m) | 7:50AM 0.23 | 8:11PM 0.24 | 8:22AM 0.12 | 8:45PM 0.11 | 8:54AM 0.03 | |||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - |
 | |  |  |  | | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 14 | 15 | 17 | 17 | 16 | 14 | 13 | 13 | 12 | 12 | 15 | 16 | 15 | 13 | 13 | 12 | 12 | 12 | 15 | 17 | 16 | 15 |
| Feels °C (?) | 15 | 13 | 11 | 11 | 12 | 12 | 11 | 9 | 9 | 10 | 10 | 11 | 14 | 13 | 12 | 10 | 10 | 10 | 10 | 10 | 12 | 13 | 11 | 11 |
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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 SSW at Plattekloof Glen wx 14 km from Big Bay). 1.5m 10s swell from the SW with a 0.6m 3s local chop from the S and a 0.5m 14s groundswell from the WSW. 3 swells combining to make bigger set waves.
1 h 10 min ago
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