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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Wednesday 10 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
16.6° C
(Which is 2.6°C colder than average for this time of year)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 5AM is: 1.8m 11s primary swell from a Southwest direction (forecast issued at 01:00am December 10). An open ocean swell of 1.5m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 6ft (1.8m) | 11s |
| Afternoon (10 Dec) | 5ft (1.6m) | 10s |
| Evening (10 Dec) | 4.5ft (1.4m) | 10s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 19 | 18 | 18 | 17 | 8 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1307 | 802 | 729 | 703 | 615 | 551 | 498 | 412 | 450 | 330 | 256 | 314 | 258 | 253 | 226 | 207 | 172 | 303 | 491 | 790 | 1158 | 1536 | 2293 | 2770 |
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 | cross- on | cross- on | on | cross- on | on | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 7:14AM 1.36 | 7:34PM 1.16 | 8:15AM 1.29 | 8:43PM 1.07 | 9:21AM 1.25 | |||||||||||||||||||
Low Tide / height (m) | 12:48AM 0.33 | 1:39PM 0.45 | 1:42AM 0.44 | 2:49PM 0.52 | 2:46AM 0.53 | 4:06PM 0.53 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:49 | - |
 |  | |  |  | | |  | | | | | | | | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 3 | 1 |
| Temp. °C | 18 | 18 | 18 | 18 | 22 | 23 | 22 | 19 | 18 | 17 | 17 | 20 | 22 | 22 | 21 | 20 | 20 | 19 | 20 | 20 | 22 | 18 | 18 | 17 |
| Feels °C (?) | 13 | 12 | 12 | 12 | 17 | 16 | 15 | 14 | 14 | 13 | 14 | 18 | 22 | 22 | 19 | 18 | 19 | 16 | 16 | 13 | 13 | 12 | 11 | 10 |
- 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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