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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Wednesday 20 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
16.8° C
(Which is slightly cooler than normal)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 8AM is: 0.8m 12s primary swell from a West-southwest direction and 0.7m 12s secondary swell from a South-southeast direction (forecast issued at 01:00am May 20). An open ocean swell of 2.5m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 2.5ft (0.8m) | 12s |
| Afternoon (20 May) | 2.5ft (0.7m) | 12s |
| Evening (20 May) | 6ft (1.9m) | 9s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri afternoon. Warm (max 20°C on Wed afternoon, min 16°C on Thu night). Winds decreasing (fresh winds from the E on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | ||||||||||||||||||||||
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 | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SE 9 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | |
237 | 187 | 184 | 128 | 125 | 91 | 548 | 411 | 393 | 336 | 328 | 300 | 260 | 202 | 134 | 231 | 314 | 311 | 300 | 375 | 498 | 492 | 666 | 685 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | cross-off | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | |
High Tide | 5:34AM1.47m | 6:11PM1.43m | 6:30AM1.33m | 7:12PM1.35m | 7:36AM1.21m | 8:23PM1.30m | ||||||||||||||||||
Low Tide | 11:27PM0.24m | 11:53AM0.20m | 00:25AM0.34m | 12:49PM0.31m | 1:34AM0.43m | 1:52PM0.41m | ||||||||||||||||||
 |  |  |  |  | |  | | |  | | | | | | | | | | | |  | | | |
 | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — |
— | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 17 | 17 | 17 | 18 | 20 | 20 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 18 | 17 | 16 | 17 | 17 |
12 | 13 | 13 | 14 | 16 | 17 | 17 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 14 | 13 | 13 | 15 | 13 | 14 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | SE 11 | SSE 11 | WSW 12 | WSW 11 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | SE 8 | SW 18 | SW 16 | SW 16 | SW 7 | SW 7 | SW 15 |
 kJ | 237 | 187 | 184 | 128 | 109 | 91 | 82 | 411 | 393 | 336 | 328 | 300 | 260 | 202 | 182 | 138 | 94 | 74 | 300 | 375 | 498 | 118 | 163 | 685 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | WSW 12 | WSW 12 | SSE 11 | SSE 11 | SSE 11 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 18 | ESE 8 | SW 11 | WSW 10 | SW 16 | SW 15 | SSW 6 |
| kJ | 103 | 129 | 117 | 125 | 125 | 87 | 74 | 73 | 93 | 113 | 140 | 163 | 118 | 114 | 114 | 110 | 101 | 311 | 61 | 79 | 73 | 492 | 666 | 117 |
Swell 3 Height (m) Direction Period (s) | SSW 9 | SSW 9 | SSW 9 | SSW 16 | SW 15 | SW 15 | SW 14 | WSW 11 | SSE 11 | SE 11 | SW 11 | SSE 11 | SW 21 | SW 20 | SW 20 | SW 19 | SW 18 | SW 11 | SW 11 | ESE 8 | SW 7 | WSW 11 | ESE 8 | ESE 8 |
| kJ | 17 | 16 | 16 | 25 | 35 | 55 | 54 | 47 | 48 | 30 | 30 | 12 | 68 | 136 | 134 | 231 | 314 | 123 | 99 | 38 | 29 | 99 | 20 | 20 |
Wind waves Height (m) Direction Period (s) | SE 9 | SE 9 | SE 8 | ESE 9 | ESE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 | — | — | WNW 3 | WNW 4 | WNW 4 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | NW 4 | — | — |
| kJ | 1263 | 945 | 902 | 885 | 905 | 695 | 548 | 926 | 900 | — | — | 6 | 12 | 19 | 46 | 52 | 37 | 44 | 77 | 80 | 48 | 18 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 7 | 7 | 7 | 7 | 0 | 0 | 0 | 0 | 7 | 7 | 25 | 52 | 52 | 33 | 25 | 7 | 7 | 25 | 25 | 33 | 25 | 25 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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