Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Sunday 21 Dec 2025 SASTForecast update in hr min s Forecast update imminent
Gansbaai surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Gansbaai sea temperature is
18.8° C
(Which is slightly cooler than normal)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 8AM is: 1.3m 12s primary swell from a South-southwest direction and 1.2m 12s secondary swell from a Southwest direction (forecast issued at 01:00am December 21). An open ocean swell of 1.8m 6s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 4.5ft (1.3m) | 12s |
| Afternoon (21 Dec) | 3.5ft (1.1m) | 11s |
| Evening (21 Dec) | 4ft (1.2m) | 12s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 11 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 8 | 11 | 11 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1471 | 1225 | 961 | 475 | 411 | 283 | 407 | 355 | 418 | 360 | 308 | 273 | 268 | 281 | 263 | 196 | 189 | 257 | 295 | 127 | 127 | 154 | 86 | 66 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 3:58AM 1.42 | 4:01PM 1.44 | 4:32AM 1.43 | 4:35PM 1.42 | 5:06AM 1.43 | 5:09PM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 9:47PM 0.19 | 10:01AM 0.32 | 10:18PM 0.19 | 10:35AM 0.33 | 10:50PM 0.20 | 11:10AM 0.35 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:53 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:54 | - |
 |  |  |  |  | | | | | | | | | | | | | |  |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 20 | 20 | 19 | 21 | 24 | 24 | 23 | 21 | 21 | 21 | 21 | 22 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 20 | 21 | 21 | 20 | 20 |
| Feels °C (?) | 16 | 16 | 15 | 16 | 19 | 19 | 17 | 17 | 18 | 19 | 20 | 22 | 24 | 22 | 22 | 23 | 23 | 21 | 20 | 19 | 20 | 19 | 18 | 19 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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