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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am Saturday 18 Apr 2026 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
19.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 1PM is: 3.0m 11s primary swell from a Southwest direction and 1.5m 14s secondary swell from a Southwest direction, 2.0m 6s secondary swell from a West-northwest direction (forecast issued at 07:00am April 18). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 13ft (4.0m) | 11s |
| Afternoon (18 Apr) | 8ft (2.5m) | 11s |
| Evening (18 Apr) | 6ft (1.8m) | 10s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 14 | 11 | 10 | 7 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 15 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4012 | 3761 | 3063 | 1987 | 926 | 687 | 939 | 1106 | 959 | 1320 | 1526 | 4355 | 4190 | 3775 | 3753 | 4058 | 4813 | 8531 | 7801 | 7294 | 6937 | 4718 | 4166 | 5468 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:56PM 1.62 | 4:08AM 1.74 | 4:37PM 1.57 | 4:50AM 1.65 | 5:20PM 1.49 | |||||||||||||||||||
Low Tide / height (m) | 9:49AM -0.07 | 9:58PM 0.06 | 10:28AM -0.02 | 10:39PM 0.12 | 11:10AM 0.08 | 11:24PM 0.22 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | - | 7:07 | - | - | - | - | - | - | - | 7:07 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:13 | - | - | - |
 |  |  |  |  |  |  | |  | |  | | |  | | | | | | | | |  | | |
Rain (mm) | 1 | 1 | 1 | - | - | - | 1 | 1 | - | 1 | - | 3 | 5 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | - | - |
| Temp. °C | 15 | 15 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 16 | 15 |
| Feels °C (?) | 8 | 8 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 9 | 7 | 5 | 4 | 3 | 2 | 3 | 3 | 6 | 7 | 7 | 7 | 7 | 8 | 8 |
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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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