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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Monday 11 May 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
17.8° C
(Which is normal for this time of year)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 8PM is: 6.5m 13s primary swell from a West-southwest direction and 0.2m 12s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 11). An open ocean swell of 0.2m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 25ft (7.5m) | 11s |
| Afternoon (11 May) | 23ft (7.0m) | 13s |
| Evening (11 May) | 21ft (6.5m) | 13s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 38mm), heaviest during Mon night. Very mild (max 18°C on Mon afternoon, min 13°C on Wed night). Winds decreasing (gales from the W on Mon afternoon, light winds from the NNW by Thu morning). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 12 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 | SSW 11 | |
17942 | 17928 | 16672 | 14217 | 12221 | 10820 | 9397 | 4586 | 4059 | 3384 | 5723 | 5314 | 5245 | 5368 | 5597 | 5775 | 4892 | 4088 | 3736 | 3501 | 3085 | 2981 | 1953 | 1500 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | |
High Tide | 10:55AM1.10m | 11:23PM1.30m | 11:56AM1.21m | 00:12AM1.43m | 12:46PM1.32m | 00:57AM1.55m | ||||||||||||||||||
Low Tide | 4:57PM0.50m | 5:52AM0.41m | 5:54PM0.41m | 6:40AM0.27m | 6:44PM0.32m | 7:23AM0.13m | ||||||||||||||||||
 | |  |  | | |  | | | |  |  |  | |  |  | |  | |  | | | |  | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — |
 | — | — | 5:52 | — | — | — | — | — | — | — | 5:51 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | 5:49 |
9 | 6 | 2 | 2 | 2 | 3 | 14 | 2 | 1 | 3 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 18 | 18 | 17 | 17 | 16 | 15 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 15 | 15 | 14 | 15 | 14 | 13 | 13 |
4 | 7 | 7 | 8 | 8 | 9 | 8 | 10 | 10 | 11 | 10 | 8 | 8 | 7 | 6 | 7 | 9 | 9 | 10 | 9 | 12 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SE 13 | SE 12 | SE 12 | ESE 10 | SE 12 | SE 12 | — | SW 13 | SW 13 | SW 13 | SSE 11 | — | — | — | SE 11 | — | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SSW 11 | SSW 11 |
 kJ | 57 | 53 | 51 | 10 | 23 | 23 | — | 4586 | 4059 | 3384 | 12 | — | — | — | 5 | — | 4892 | 4088 | 3736 | 3501 | 3085 | 2981 | 1953 | 1500 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | — | — | SSE 12 | ESE 10 | — | — | — | — | SE 12 | — | — | — | — | — | — | — | W 11 | W 11 | W 12 | W 11 | W 20 | W 11 | WSW 11 |
| kJ | 28 | — | — | 15 | 10 | — | — | — | — | 21 | — | — | — | — | — | — | — | 1430 | 1208 | 625 | 576 | 8 | 576 | 679 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | SW 19 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | 15 |
Wind waves Height (m) Direction Period (s) | W 12 | W 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | W 12 | W 12 | W 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | W 12 | — | — | — | — | — | — | — |
| kJ | 17942 | 17928 | 16672 | 14217 | 12221 | 10820 | 9397 | 3575 | 3129 | 3138 | 5723 | 5314 | 5245 | 5368 | 5597 | 5775 | 988 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 815 | 927 | 946 | 518 | 996 | 340 | 262 | 96 | 85 | 239 | 91 | 91 | 91 | 91 | 245 | 246 | 96 | 96 | 96 | 52 | 41 | 25 | 7 | 7 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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