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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 23 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
16.0° C
(Which is slightly cooler than normal)How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 5AM is: 1.3m 14s primary swell from a Southwest direction and 0.5m 6s secondary swell from a South-southwest direction (forecast issued at 01:00am May 23). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 5ft (1.5m) | 13s |
| Afternoon (23 May) | 4.5ft (1.3m) | 13s |
| Evening (23 May) | 3.5ft (1.0m) | 14s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Mon afternoon, min 15°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 15 | SW 15 | SW 14 | WSW 14 | WSW 13 | |
676 | 658 | 852 | 543 | 519 | 346 | 412 | 992 | 877 | 804 | 792 | 642 | 651 | 757 | 1515 | 1858 | 1961 | 2323 | 2843 | 4185 | 4021 | 3468 | 2734 | 2515 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | cross-off | cross | cross | cross-off | cross-off | glassy | glassy | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross | cross-on | glassy | |
High Tide | 8:58AM1.10m | 9:38PM1.25m | 10:20AM1.08m | 10:47PM1.27m | 11:29AM1.11m | |||||||||||||||||||
Low Tide | 2:55AM0.45m | 3:06PM0.46m | 4:17AM0.44m | 4:22PM0.48m | 5:26AM0.40m | 5:28PM0.47m | ||||||||||||||||||
 | |  | | |  | | | | | | | | |  |  | | | | | | | | | |
 | — | 7:35 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 15 | 16 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 17 | 19 | 18 | 17 | 16 | 16 | 17 | 16 | 18 | 20 | 18 | 17 | 16 |
15 | 15 | 15 | 16 | 18 | 17 | 16 | 16 | 17 | 16 | 15 | 17 | 18 | 17 | 17 | 15 | 16 | 17 | 17 | 18 | 20 | 18 | 17 | 16 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 8 | SW 11 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | SW 14 | SW 15 | SW 15 | SW 14 | WSW 14 | WSW 13 |
 kJ | 676 | 658 | 852 | 543 | 519 | 123 | 246 | 992 | 877 | 804 | 792 | 642 | 651 | 757 | 1515 | 1858 | 1961 | 2323 | 2843 | 4185 | 4021 | 3468 | 2734 | 2515 |
Swell 2 Height (m) Direction Period (s) | S 6 | SSW 6 | SSE 6 | SW 9 | SW 8 | SW 11 | SW 14 | S 14 | S 13 | S 13 | S 13 | SW 16 | WSW 16 | SW 16 | S 12 | S 11 | S 11 | S 11 | SW 18 | SSE 11 | SSE 11 | — | SSE 10 | — |
| kJ | 23 | 17 | 6 | 145 | 160 | 217 | 412 | 4 | 3 | 3 | 3 | 219 | 181 | 376 | 3 | 2 | 2 | 2 | 199 | 11 | 11 | — | 10 | — |
Swell 3 Height (m) Direction Period (s) | S 9 | S 9 | — | SW 16 | S 14 | SW 14 | SW 8 | SE 13 | — | — | SSE 12 | S 12 | S 12 | S 12 | — | — | — | — | S 11 | — | — | — | — | — |
| kJ | 2 | 2 | — | 94 | 4 | 346 | 84 | 7 | — | — | 15 | 3 | 3 | 3 | — | — | — | — | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 14 | 14 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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