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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 Saturday 25 Apr 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
15.8° C
(Which is 1.8°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 9PM is: 1.0m 10s primary swell from a West-southwest direction and 0.2m 8s secondary swell from a South direction, 0.5m 4s secondary swell from a West-northwest direction (forecast issued at 01:00pm April 25). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2.5ft (0.8m) | 11s |
| Afternoon (25 Apr) | 3ft (0.9m) | 11s |
| Evening (25 Apr) | 3.5ft (1.0m) | 10s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Sun afternoon. Very mild (max 19°C on Sat afternoon, min 14°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 9 | SW 11 | WSW 11 | WSW 12 | SW 12 | WSW 12 | SW 11 | S 10 | S 10 | S 11 | S 11 | |
198 | 166 | 163 | 202 | 160 | 154 | 122 | 192 | 255 | 235 | 394 | 412 | 689 | 1569 | 1430 | 1689 | 1723 | 1398 | 956 | 785 | 759 | 696 | 716 | 813 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 11:03AM1.09m | 11:36PM1.25m | 12:11PM1.16m | 00:29AM1.34m | 1:00PM1.25m | 1:10AM1.42m | ||||||||||||||||||
Low Tide | 5:15PM0.47m | 6:09AM0.39m | 6:16PM0.40m | 6:58AM0.29m | 7:02PM0.33m | 7:36AM0.21m | ||||||||||||||||||
 |  | |  | |  | |  |  | | |  | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | 6:08 |
— | — | — | — | — | — | — | — | 1 | 5 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 19 | 17 | 16 | 16 | 15 | 15 | 15 | 17 | 14 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 14 |
16 | 16 | 15 | 15 | 15 | 13 | 13 | 12 | 13 | 12 | 12 | 10 | 10 | 8 | 9 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | WSW 8 | SW 15 | SW 14 | SW 14 | NW 12 | SW 11 | WSW 11 | WSW 12 | SW 12 | SSW 10 | S 10 | S 10 | S 10 | S 11 | S 11 |
 kJ | 198 | 166 | 163 | 202 | 160 | 154 | 122 | 192 | 255 | 235 | 54 | 97 | 147 | 6 | 1430 | 1689 | 1723 | 1398 | 769 | 785 | 759 | 696 | 716 | 813 |
Swell 2 Height (m) Direction Period (s) | S 9 | S 9 | S 9 | S 8 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | W 9 | S 15 | S 14 | NW 12 | — | WSW 13 | NW 12 | S 10 | S 10 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 |
| kJ | 13 | 6 | 6 | 5 | 11 | 41 | 41 | 39 | 56 | 42 | 4 | 16 | 6 | — | 504 | 6 | 575 | 575 | 956 | 771 | 572 | 505 | 377 | 328 |
Swell 3 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | SW 18 | S 8 | S 16 | S 16 | S 16 | S 16 | SW 15 | NW 12 | NW 12 | S 14 | — | NW 12 | NW 12 | — | W 11 | W 11 | SW 17 | SW 17 | W 12 | SW 17 | SW 15 |
| kJ | 7 | 7 | 7 | 12 | 1 | 5 | 5 | 5 | 5 | 55 | 6 | 6 | 16 | — | 6 | 6 | — | 2 | 2 | 11 | 11 | 3 | 11 | 9 |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 4 | NW 3 | WNW 4 | W 4 | W 4 | W 5 | NNW 4 | NW 4 | NW 4 | WSW 8 | WSW 8 | SW 8 | SW 9 | S 9 | S 10 | — | — | — | — | — | — | — | — |
| kJ | 6 | 8 | 4 | 9 | 8 | 13 | 21 | 11 | 36 | 17 | 394 | 412 | 689 | 1569 | 441 | 608 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 34 | 29 | 29 | 4 | 2 | 2 | 36 | 36 | 34 | 29 | 34 | 342 | 930 | 130 | 1206 | 0 | 39 | 1583 | 39 | 0 | 0 | 0 | 0 | 0 |
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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