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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 Sunday 10 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
16.1° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 5AM is: 1.3m 13s primary swell from a West-southwest direction and 0.8m 9s secondary swell from a West-southwest direction, 2.1m 7s secondary swell from a Northwest direction (forecast issued at 01:00am May 10). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 8ft (2.4m) | 8s |
| Afternoon (10 May) | 13ft (4.0m) | 9s |
| Evening (10 May) | 18ft (5.5m) | 11s |
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 71mm), heaviest during Tue morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun morning). Winds decreasing (gales from the NW on Mon morning, light winds from the W by Tue night). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 13 | WSW 13 | W 8 | WSW 13 | W 8 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WNW 10 | W 12 | W 13 | W 13 | W 13 | WSW 13 | WSW 13 | W 13 | WSW 13 | W 12 | W 12 | W 12 | W 12 | W 12 | |
590 | 572 | 690 | 953 | 1730 | 4041 | 6827 | 7378 | 6610 | 4880 | 6790 | 14097 | 19153 | 19215 | 14848 | 11888 | 9958 | 9994 | 9293 | 6556 | 4529 | 3462 | 3138 | 2552 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | on | cross-on | on | on | cross-on | |
High Tide | 9:38AM1.01m | 10:24PM1.16m | 10:56AM1.08m | 11:22PM1.27m | 11:55AM1.18m | |||||||||||||||||||
Low Tide | 3:35AM0.61m | 3:47PM0.54m | 4:54AM0.51m | 4:58PM0.48m | 5:51AM0.38m | 5:54PM0.40m | ||||||||||||||||||
 |  |  |  |  | | | | | |  | | | | | | | | | | |  |  | | |
 | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — |
2 | 17 | 2 | 2 | 5 | 3 | 3 | 2 | 1 | 1 | 9 | 9 | 5 | 3 | 1 | 2 | 2 | 2 | 10 | 4 | 3 | — | 1 | 1 | |
Temp °C | 14 | 13 | 15 | 13 | 13 | 13 | 14 | 13 | 14 | 13 | 14 | 16 | 18 | 18 | 17 | 17 | 17 | 18 | 17 | 18 | 17 | 17 | 16 | 16 |
6 | 8 | 9 | 6 | 3 | 2 | 6 | 5 | 7 | 4 | 2 | 5 | 8 | 9 | 10 | 12 | 11 | 10 | 16 | 11 | 15 | 15 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SSE 11 | SE 11 | SW 22 | SW 22 | WSW 12 | WSW 12 | SE 13 | SSE 9 | SSE 9 | SSE 10 | — | WSW 13 | WSW 13 | — | SSW 14 | SSW 13 | W 12 | W 12 | W 12 | W 12 |
 kJ | 590 | 572 | 555 | 953 | 12 | 5 | 18 | 18 | 6610 | 4880 | 7 | 28 | 17 | 18 | — | 11888 | 9958 | — | 2591 | 1915 | 4529 | 3462 | 3138 | 2552 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | WSW 9 | SSE 12 | SSE 12 | — | — | S 15 | — | SE 11 | SE 13 | — | — | — | — | — | — | — | — | — | NW 9 | SW 13 | SW 12 | SSW 12 | SSW 12 |
| kJ | 28 | 92 | 14 | 13 | — | — | 4 | — | 5 | 7 | — | — | — | — | — | — | — | — | — | 221 | 2406 | 2040 | 1402 | 1501 |
Swell 3 Height (m) Direction Period (s) | — | SSE 12 | — | — | — | — | SW 22 | — | SE 14 | SE 11 | — | — | — | — | — | — | — | — | — | — | NNW 9 | — | — | — |
| kJ | — | 14 | — | — | — | — | 18 | — | 8 | 4 | — | — | — | — | — | — | — | — | — | — | 370 | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NW 7 | W 8 | W 8 | W 8 | WSW 10 | WSW 11 | WSW 12 | — | NW 7 | WNW 10 | W 12 | W 13 | W 13 | W 13 | — | NW 10 | W 13 | WSW 13 | W 12 | — | — | — | — |
| kJ | 381 | 428 | 690 | 705 | 1730 | 4041 | 6827 | 7378 | — | 444 | 6790 | 14097 | 19153 | 19215 | 14848 | — | 652 | 9994 | 9293 | 6556 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 102 | 340 | 361 | 379 | 342 | 379 | 598 | 940 | 940 | 361 | 361 | 885 | 1002 | 1002 | 1012 | 379 | 342 | 598 | 29 | 342 | 34 | 37 | 34 | 34 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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