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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 pm Friday 08 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 9PM is: 1.9m 15s primary swell from a West-southwest direction and 0.7m 9s secondary swell from a South direction (forecast issued at 01:00pm May 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 May) | 5.5ft (1.7m) | 16s |
| Afternoon (08 May) | 6.5ft (2.0m) | 16s |
| Evening (08 May) | 6ft (1.9m) | 15s |
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 46mm), heaviest during Sat night. Very mild (max 18°C on Fri afternoon, min 12°C on Sat night). Winds increasing (calm on Fri night, gales from the NW by Mon morning). | ||||||||||||||||||||||||
Fri 8 | Saturday 9 | Sunday 10 | Mon 11 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | SW 13 | W 8 | W 9 | WSW 8 | WSW 10 | WSW 10 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | W 11 | |
1772 | 1899 | 1712 | 1475 | 1455 | 1301 | 1143 | 985 | 560 | 814 | 700 | 680 | 553 | 517 | 887 | 1279 | 1699 | 3560 | 5087 | 6344 | 7010 | 6678 | 4720 | 9435 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross | cross | cross-off | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | on | on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 7:50PM1.08m | 8:06AM1.01m | 9:10PM1.09m | 9:38AM1.01m | 10:24PM1.16m | |||||||||||||||||||
Low Tide | 1:10PM0.50m | 1:59AM0.62m | 2:23PM0.54m | 3:35AM0.61m | 3:47PM0.54m | 4:54AM0.51m | ||||||||||||||||||
 | | |  | | | | | |  | |  | |  |  |  |  |  | | | | | | | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — |
 | — | — | 5:59 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | 5:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 3 | 6 | 2 | 2 | 2 | 2 | 2 | — | 1 | 4 | |
Temp °C | 16 | 18 | 17 | 16 | 15 | 15 | 14 | 13 | 16 | 17 | 16 | 15 | 15 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 |
14 | 16 | 14 | 14 | 14 | 14 | 12 | 11 | 12 | 11 | 11 | 9 | 8 | 8 | 9 | 4 | 4 | 3 | 3 | 4 | 6 | 7 | 4 | 3 | |
Swell 1 Height (m) Direction Period (s) | WSW 16 | WSW 16 | WSW 15 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | W 7 | WSW 13 | SW 13 | SSE 12 | SSE 11 | SE 11 | SW 22 | SSE 11 | WSW 12 | WSW 12 | — |
 kJ | 1772 | 1899 | 1712 | 1475 | 1455 | 1301 | 1143 | 985 | 560 | 814 | 700 | 680 | 553 | 275 | 563 | 658 | 13 | 12 | 5 | 18 | 12 | 6678 | 4720 | — |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 9 | S 9 | S 8 | S 8 | S 8 | SW 14 | S 13 | SSE 13 | SSE 12 | SSE 12 | SW 13 | SSE 12 | SSE 12 | — | — | — | SW 22 | — | — | SE 14 | — |
| kJ | 132 | 102 | 99 | 99 | 73 | 51 | 35 | 33 | 350 | 89 | 56 | 52 | 29 | 517 | 14 | 14 | — | — | — | 18 | — | — | 7 | — |
Swell 3 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | S 8 | — | W 11 | — | — | SSE 12 | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 24 | 47 | 45 | 48 | 44 | 71 | 67 | 21 | — | 2 | — | — | 28 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 3 | NW 4 | NNW 5 | NW 6 | NW 6 | W 8 | W 9 | WSW 8 | WSW 10 | WSW 10 | WSW 11 | WSW 12 | — | NW 8 | W 11 |
| kJ | — | — | — | — | — | — | — | — | — | 4 | 17 | 77 | 240 | 153 | 887 | 1279 | 1699 | 3560 | 5087 | 6344 | 7010 | — | 999 | 9435 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 14 | 14 | 0 | 0 | 0 | 2 | 2 | 36 | 87 | 400 | 79 | 125 | 34 | 29 | 799 | 458 | 1016 | 940 | 458 | 458 | 379 | 361 | 361 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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