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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 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
15.5° C
(Which is 2.0°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: 0.9m 11s primary swell from a Southwest direction and 0.1m 10s secondary swell from a South direction (forecast issued at 01:00am April 25). The wind direction is predicted to be cross-shore.
| 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) | 3ft (0.9m) | 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 16mm), heaviest on Sun afternoon. Warm (max 20°C on Sat morning, min 14°C on Sun afternoon). Winds decreasing (fresh winds from the SW on Sun night, calm by Mon night). | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | W 9 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | S 11 | S 11 | S 11 | |
137 | 205 | 171 | 198 | 166 | 163 | 154 | 160 | 154 | 120 | 210 | 413 | 443 | 424 | 463 | 734 | 2434 | 3040 | 2917 | 1798 | 1241 | 917 | 1026 | 1045 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross | cross-off | |
High Tide | 11:03AM1.09m | 11:36PM1.25m | 12:11PM1.16m | 00:29AM1.34m | 1:00PM1.25m | |||||||||||||||||||
Low Tide | 4:58AM0.49m | 5:15PM0.47m | 6:09AM0.39m | 6:16PM0.40m | 6:58AM0.29m | 7:02PM0.33m | ||||||||||||||||||
 | |  | |  | | | |  | |  |  |  |  |  | |  |  | | | | | | | |
 | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — |
— | — | — | — | — | — | — | — | — | — | — | 1 | 8 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | |
Temp °C | 21 | 18 | 16 | 20 | 19 | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 |
18 | 16 | 15 | 17 | 16 | 15 | 15 | 15 | 13 | 13 | 13 | 12 | 10 | 11 | 9 | 9 | 7 | 8 | 9 | 10 | 10 | 11 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 15 | WSW 8 | WSW 8 | SW 14 | SW 14 | NW 12 | SW 11 | SW 11 | WSW 11 | WSW 10 | S 11 | S 11 | S 11 |
 kJ | 137 | 205 | 171 | 198 | 166 | 163 | 154 | 160 | 154 | 120 | 210 | 56 | 443 | 424 | 97 | 186 | 6 | 3040 | 2917 | 1798 | 1241 | 917 | 1026 | 1045 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 8 | SW 17 | SW 16 | W 5 | SW 16 | S 16 | W 9 | SW 15 | S 14 | NW 12 | — | — | S 11 | S 10 | S 10 | WSW 10 | WSW 10 | WSW 10 |
| kJ | 75 | 2 | 16 | 13 | 6 | 6 | 5 | 11 | 41 | 15 | 39 | 5 | 44 | 54 | 16 | 6 | — | — | 846 | 720 | 770 | 882 | 715 | 637 |
Swell 3 Height (m) Direction Period (s) | S 10 | W 13 | NW 13 | NW 13 | NW 13 | NW 13 | SW 18 | S 8 | S 16 | SW 16 | S 16 | NW 12 | SW 15 | S 15 | NW 12 | NW 12 | — | — | — | — | NW 11 | W 11 | W 11 | NW 11 |
| kJ | 8 | 4 | 7 | 7 | 7 | 7 | 12 | 1 | 5 | 41 | 5 | 6 | 55 | 4 | 6 | 6 | — | — | — | — | 5 | 2 | 2 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | N 3 | N 3 | NNW 4 | NW 3 | WNW 3 | WNW 4 | WNW 4 | NNW 3 | NNW 4 | W 9 | NNW 4 | — | WSW 8 | SW 8 | SW 11 | — | — | — | — | — | — | — |
| kJ | — | — | 2 | 8 | 8 | 4 | 5 | 8 | 13 | 4 | 16 | 413 | 8 | — | 463 | 734 | 2434 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 36 | 29 | 29 | 4 | 2 | 2 | 36 | 87 | 34 | 34 | 34 | 598 | 882 | 1012 | 1181 | 130 | 130 | 130 | 29 | 34 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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