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Big Bay Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Big Bay surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Saturday 09 May 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
16.4° C
(Which is slightly cooler than normal)How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 10AM is: 1.4m 13s primary swell from a West-southwest direction and 0.9m 14s secondary swell from a Southwest direction (forecast issued at 01:00am May 09). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | 5ft (1.6m) | 14s |
| Afternoon (09 May) | 5ft (1.5m) | 14s |
| Evening (09 May) | 4.5ft (1.3m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 92mm), heaviest during Mon afternoon. Very mild (max 18°C on Mon afternoon, min 12°C on Sat night). Winds increasing (light winds from the N on Sat morning, gales from the NNW by Mon morning). | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WNW 7 | W 8 | W 9 | WSW 12 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | W 11 | W 12 | W 13 | W 13 | W 13 | W 13 | |
1301 | 1143 | 985 | 560 | 870 | 700 | 680 | 545 | 607 | 1034 | 1027 | 2687 | 2086 | 4994 | 6513 | 7344 | 7260 | 4975 | 8249 | 13974 | 17391 | 16452 | 13602 | 11436 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross | cross-on | cross-on | cross-on | cross | cross | on | on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | |
High Tide | 8:06AM1.01m | 9:10PM1.09m | 9:38AM1.01m | 10:24PM1.16m | 10:56AM1.08m | |||||||||||||||||||
Low Tide | 1:59AM0.62m | 2:23PM0.54m | 3:35AM0.61m | 3:47PM0.54m | 4:54AM0.51m | 4:58PM0.48m | ||||||||||||||||||
 | |  |  | |  |  | |  |  |  |  |  | |  | | | | | |  | | | | |
 | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
— | — | — | — | — | — | — | — | 3 | 9 | 9 | 5 | 5 | 2 | 2 | 3 | — | 1 | 5 | 7 | 13 | 7 | 9 | 2 | |
Temp °C | 15 | 14 | 13 | 16 | 17 | 16 | 15 | 15 | 13 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 13 | 15 | 16 | 17 | 18 | 18 | 18 |
14 | 12 | 11 | 12 | 12 | 11 | 10 | 8 | 5 | 7 | 8 | 5 | 3 | 3 | 4 | 5 | 8 | 3 | 3 | 5 | 7 | 9 | 10 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | SW 13 | WSW 13 | SSE 12 | SSE 11 | SE 11 | SW 22 | SW 22 | WSW 12 | WSW 12 | — | — | — | — | — | — |
 kJ | 1301 | 1143 | 985 | 560 | 870 | 700 | 680 | 545 | 472 | 501 | 555 | 13 | 12 | 5 | 18 | 18 | 7260 | 4975 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | SW 14 | S 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | — | — | SW 22 | S 15 | — | — | SE 14 | — | — | — | — | — | — |
| kJ | 51 | 34 | 33 | 350 | 89 | 56 | 52 | 29 | 28 | 14 | 14 | — | — | 18 | 4 | — | — | 7 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SSE 15 | SSE 15 | SSE 14 | S 8 | — | W 11 | W 11 | — | — | — | — | — | — | SW 22 | SW 22 | — | — | — | — | — | — | — | — | — |
| kJ | 44 | 71 | 67 | 21 | — | 2 | 2 | — | — | — | — | — | — | 18 | 18 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NW 3 | NW 4 | NW 5 | NW 6 | WNW 7 | W 8 | W 9 | WSW 12 | WSW 8 | WSW 10 | WSW 11 | WSW 12 | — | NW 8 | W 11 | W 12 | W 13 | W 13 | W 13 | W 13 |
| kJ | — | — | — | — | 2 | 16 | 54 | 193 | 607 | 1034 | 1027 | 2687 | 2086 | 4994 | 6513 | 7344 | — | 909 | 8249 | 13974 | 17391 | 16452 | 13602 | 11436 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2 | 2 | 36 | 34 | 400 | 79 | 79 | 29 | 361 | 34 | 379 | 458 | 1166 | 1042 | 1043 | 458 | 361 | 379 | 1030 | 991 | 458 | 1012 | 419 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
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Ocean Swells (m)- Wind Speed (km/h)
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