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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Sunday 17 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
17.0° C
(Which is normal for this time of year)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 12AM is: 1.6m 13s primary swell from a West-southwest direction and 0.9m 10s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 17). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5ft (1.6m) | 14s |
| Afternoon (18 May) | 5.5ft (1.7m) | 14s |
| Evening (18 May) | 5ft (1.5m) | 13s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 16°C on Sun night). Winds increasing (light winds from the E on Sun night, strong winds from the ESE by Tue afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | WSW 12 | SE 9 | |
791 | 863 | 837 | 837 | 850 | 902 | 1057 | 1080 | 990 | 796 | 679 | 875 | 976 | 1202 | 1083 | 903 | 854 | 1518 | 1382 | 1242 | 1124 | 844 | 125 | 890 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 3:43PM1.59m | 3:56AM1.68m | 4:28PM1.56m | 4:43AM1.59m | 5:17PM1.51m | 5:34AM1.47m | ||||||||||||||||||
Low Tide | 9:46PM0.11m | 10:17AM0.01m | 10:35PM0.16m | 11:04AM0.09m | 11:27PM0.24m | 11:53AM0.20m | ||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — |
 | 5:46 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:45 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 16 | 16 | 16 | 16 | 18 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 18 | 20 | 17 | 18 | 18 | 18 | 18 | 17 | 19 | 20 |
15 | 15 | 15 | 15 | 15 | 14 | 15 | 15 | 14 | 12 | 12 | 11 | 11 | 12 | 13 | 15 | 10 | 12 | 13 | 14 | 14 | 15 | 17 | 17 | |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | SW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | SW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SSE 11 |
 kJ | 791 | 863 | 837 | 837 | 850 | 902 | 1057 | 1080 | 990 | 796 | 679 | 630 | 659 | 581 | 458 | 414 | 414 | 382 | 330 | 237 | 187 | 184 | 125 | 111 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 10 | S 10 | S 10 | S 13 | S 10 | S 11 | S 13 | SSW 8 | S 8 | SSE 12 | S 16 | SSE 16 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSW 9 | SSE 12 | SSE 13 | SSE 12 | SSE 11 | WSW 12 |
| kJ | 337 | 222 | 208 | 100 | 125 | 48 | 57 | 117 | 137 | 268 | 28 | 5 | 25 | 23 | 43 | 41 | 73 | 71 | 17 | 103 | 66 | 121 | 111 | 125 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 13 | S 14 | S 14 | S 10 | S 13 | S 13 | SSW 15 | S 12 | SSE 12 | S 17 | — | — | — | — | SSW 10 | SSW 10 | SSE 14 | SSW 9 | S 20 | SSW 9 | SSW 9 | SSW 9 | SW 15 |
| kJ | 119 | 125 | 94 | 96 | 68 | 85 | 85 | 144 | 75 | 47 | 6 | — | — | — | — | 20 | 18 | 36 | 17 | 7 | 16 | 16 | 16 | 35 |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | ESE 6 | SSE 5 | SSE 5 | SE 5 | SE 5 | SE 5 | SE 5 | ESE 5 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | SE 9 |
| kJ | 32 | 40 | 29 | 42 | 42 | 51 | 66 | 86 | 106 | 83 | 627 | 875 | 976 | 1202 | 1083 | 903 | 854 | 1518 | 1382 | 1242 | 1124 | 844 | 945 | 890 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 7 | 0 | 0 | 0 | 0 | 0 | 116 | 116 | 70 | 116 | 70 | 111 | 114 | 70 | 63 | 70 | 70 | 70 | 63 | 63 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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