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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 Monday 25 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
15.9° C
(Which is slightly cooler than normal)How big are the waves at Big Bay today?
The current surf forecast for Big Bay at 9AM is: 2.5m 14s primary swell from a Southwest direction and 0.1m 11s secondary swell from a South direction (forecast issued at 01:00am May 25). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 8ft (2.5m) | 14s |
| Afternoon (25 May) | 8ft (2.5m) | 14s |
| Evening (25 May) | 8ft (2.5m) | 13s |
Table - waves today at Big Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 14°C on Wed morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 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 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 14 | WSW 13 | WSW 13 | WSW 18 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 | |
1990 | 2323 | 2554 | 2764 | 2816 | 2591 | 2265 | 2146 | 1891 | 1631 | 1481 | 1241 | 1201 | 1237 | 1173 | 2091 | 1830 | 2197 | 1915 | 6517 | 7486 | 7230 | 6219 | 5631 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | on | cross-on | on | glassy | |
High Tide | 11:29AM1.11m | 11:43PM1.30m | 12:24PM1.16m | 00:30AM1.33m | 1:07PM1.22m | |||||||||||||||||||
Low Tide | 5:26AM0.40m | 5:28PM0.47m | 6:20AM0.35m | 6:22PM0.44m | 7:02AM0.29m | 7:06PM0.40m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | |  |  | | |
 | — | 7:37 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:46 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 18 | 19 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 15 | 15 | 15 | 14 | 16 | 17 | 16 | 15 | 15 |
16 | 16 | 16 | 18 | 18 | 16 | 16 | 17 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 17 | 16 | 15 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 18 | WSW 17 | WSW 17 | WSW 16 | WSW 16 |
 kJ | 1990 | 2323 | 2554 | 2764 | 2816 | 2591 | 2265 | 2146 | 1891 | 1631 | 1481 | 1241 | 1201 | 1237 | 1173 | 2091 | 1830 | 2197 | 1915 | 6517 | 7486 | 7230 | 6219 | 5631 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | — | — | — | — | — | SW 16 | SW 16 | SW 15 | — | — | — | WSW 18 | — | — | — | — | — |
| kJ | 2 | 2 | 2 | 11 | 11 | 10 | 10 | — | — | — | — | — | 133 | 211 | 509 | — | — | — | 1663 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 13 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 29 | 4 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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