- Forecast
- Maps
- Live
- Weather State
- Spot Information
Big Bay Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Big Bay surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Friday 15 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
15.6° C
(Which is 1.5°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 2AM is: 2.5m 13s primary swell from a Southwest direction and 1.9m 13s secondary swell from a South direction (forecast issued at 07:00pm May 15). The wind direction is predicted to be offshore and the swell rating is 5.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 7ft (2.2m) | 13s |
| Afternoon (16 May) | 6ft (1.9m) | 12s |
| Evening (16 May) | 5.5ft (1.7m) | 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. Warm (max 21°C on Sat afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | |
1901 | 2590 | 2483 | 2243 | 1859 | 1673 | 1342 | 1154 | 1016 | 928 | 799 | 700 | 659 | 648 | 462 | 799 | 841 | 805 | 793 | 837 | 850 | 902 | 1042 | 1028 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 2:14PM1.48m | 2:23AM1.65m | 2:57PM1.53m | 3:08AM1.66m | 3:42PM1.54m | 3:55AM1.62m | ||||||||||||||||||
Low Tide | 8:13PM0.14m | 8:46AM-0.04m | 8:59PM0.10m | 9:30AM-0.05m | 9:45PM0.10m | 10:15AM-0.00m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | |  | | |  | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 16 | 15 | 15 | 17 | 20 | 21 | 19 | 18 | 17 | 16 | 15 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 18 | 20 |
15 | 15 | 14 | 14 | 14 | 14 | 16 | 19 | 19 | 18 | 17 | 16 | 15 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 15 | 17 | |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 |
 kJ | 1901 | 2590 | 2483 | 2243 | 1859 | 1673 | 1342 | 1154 | 1016 | 928 | 799 | 700 | 659 | 648 | 462 | 799 | 841 | 805 | 793 | 837 | 850 | 902 | 1042 | 1028 |
Swell 2 Height (m) Direction Period (s) | SW 12 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | S 11 | — | — | — | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 710 | 1894 | 1440 | 1247 | 1104 | 971 | 826 | 649 | 547 | 547 | 535 | 325 | 242 | 189 | 185 | 185 | — | — | — | 71 | 71 | 49 | 50 | 32 |
Swell 3 Height (m) Direction Period (s) | WSW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 15 | — | — | — | — | — | — | — | — | — |
| kJ | 1014 | — | — | — | — | — | — | — | — | — | — | — | — | — | 193 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 6 | S 6 | S 5 | S 5 | S 5 | S 11 | S 5 | S 5 | S 6 | S 6 | S 6 | S 6 | S 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 41 | 39 | 31 | 36 | 44 | 451 | 117 | 110 | 103 | 108 | 156 | 124 | 96 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 130 | 14 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Bay surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest