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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 Wednesday 22 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 2.1°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: 4.0m 16s primary swell from a South-southwest direction (forecast issued at 01:00pm April 22). The wind direction is predicted to be offshore and the swell rating is 8.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 15ft (4.5m) | 15s |
| Afternoon (22 Apr) | 15ft (4.5m) | 16s |
| Evening (22 Apr) | 13ft (4.0m) | 16s |
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 24°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | |
9368 | 9167 | 8980 | 7912 | 6566 | 5240 | 4164 | 3500 | 2756 | 2118 | 1619 | 1408 | 1103 | 774 | 624 | 444 | 374 | 296 | 214 | 226 | 164 | 219 | 205 | 202 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross | cross-off | off | off | off | cross-off | glassy | cross-on | glassy | cross-off | glassy | glassy | cross-on | cross | |
High Tide | 7:15PM1.22m | 7:43AM1.15m | 8:41PM1.15m | 9:24AM1.07m | 10:20PM1.17m | |||||||||||||||||||
Low Tide | 12:52PM0.33m | 1:28AM0.46m | 2:07PM0.45m | 3:11AM0.53m | 3:47PM0.50m | 4:58AM0.49m | ||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — |
 | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | 6:12 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 19 | 20 | 17 | 14 | 13 | 13 | 13 | 17 | 21 | 20 | 20 | 19 | 18 | 17 | 18 | 23 | 24 | 22 | 22 | 20 | 20 | 18 | 18 |
12 | 14 | 16 | 14 | 10 | 10 | 10 | 10 | 14 | 18 | 16 | 17 | 16 | 14 | 13 | 14 | 21 | 21 | 19 | 19 | 18 | 19 | 16 | 16 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 |
 kJ | 9368 | 9167 | 8980 | 7912 | 6566 | 5240 | 4164 | 3500 | 2756 | 2118 | 1619 | 1408 | 1103 | 774 | 624 | 444 | 374 | 296 | 214 | 226 | 164 | 219 | 205 | 202 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 8 | — | W 15 | W 15 | W 15 | W 15 | W 9 | SW 12 | S 10 | S 10 | S 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 52 | — | 4 | 4 | 4 | 4 | 2 | 53 | 8 | 2 | 15 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | W 15 | S 10 | W 9 | W 13 | NW 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 4 | 8 | 2 | 4 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 56 | 129 | 129 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 2 | 2 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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