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Surf Forecasts:
Gansbaai surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm 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
16.7° C
(Which is normal for this time of year)How big are the waves at Gansbaai today?
The current surf forecast for Gansbaai at 4PM is: 2.1m 8s primary swell from a Southeast direction and 0.7m 11s secondary swell from a South-southeast direction, 0.6m 12s secondary swell from a West-southwest direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 8ft (2.4m) | 8s |
| Afternoon (20 May) | 7ft (2.1m) | 8s |
| Evening (20 May) | 6ft (1.8m) | 8s |
Table - waves today at Gansbaai. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SW 13 | SE 9 | SE 9 | SE 9 | SW 19 | SW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 | |
792 | 574 | 553 | 439 | 384 | 367 | 367 | 304 | 163 | 220 | 197 | 152 | 231 | 314 | 311 | 300 | 375 | 498 | 492 | 456 | 685 | 736 | 648 | 618 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | cross-on | on | on | on | on | on | on | cross-on | cross-on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross-off | cross-off | |
High Tide | 6:11PM1.43m | 6:30AM1.33m | 7:12PM1.35m | 7:36AM1.21m | 8:23PM1.30m | |||||||||||||||||||
Low Tide | 11:53AM0.20m | 00:25AM0.34m | 12:49PM0.31m | 1:34AM0.43m | 1:52PM0.41m | 2:55AM0.49m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 19 | 19 | 18 | 18 | 17 | 16 | 17 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 17 | 18 | 18 | 17 | 17 | 16 | 16 | 15 | 15 |
14 | 16 | 16 | 17 | 18 | 18 | 16 | 16 | 16 | 15 | 15 | 14 | 13 | 13 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 16 | 14 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | WSW 12 | SSE 11 | SSE 11 | SE 9 | SE 9 | SE 9 | SE 9 | ESE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SW 18 | SE 8 | SSW 6 | SSW 7 | SSW 6 | SSW 6 | SW 15 | SW 14 | SW 14 | SW 13 |
 kJ | 144 | 125 | 109 | 101 | 384 | 367 | 367 | 304 | 194 | 220 | 197 | 152 | 123 | 102 | 311 | 82 | 64 | 166 | 125 | 95 | 685 | 736 | 648 | 618 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | WSW 12 | WSW 11 | SSE 11 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | S 6 | S 6 | S 6 | S 6 |
| kJ | 113 | 113 | 91 | 82 | 81 | 93 | 113 | 140 | 163 | 144 | 114 | 114 | 110 | 101 | 123 | 300 | 375 | 498 | 492 | 456 | 73 | 59 | 59 | 35 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SW 15 | SW 15 | SW 14 | WSW 11 | SSE 11 | SSE 11 | SW 11 | S 6 | SW 21 | SW 20 | SW 20 | SW 19 | SW 18 | ESE 8 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | ESE 8 | ESE 13 | E 8 | E 8 |
| kJ | 25 | 35 | 55 | 74 | 47 | 48 | 47 | 30 | 39 | 68 | 136 | 134 | 231 | 314 | 57 | 99 | 79 | 115 | 117 | 117 | 11 | 33 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | — | ESE 9 | — | — | WNW 2 | WNW 3 | WNW 4 | WNW 4 | NW 4 | NW 4 | WNW 4 | NW 4 | SSW 6 | — | — | — | — | — | — | — |
| kJ | 792 | 574 | 553 | 439 | — | 878 | — | — | 1 | 3 | 11 | 34 | 46 | 26 | 20 | 12 | 140 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 63 | 7 | 29 | 7 | 7 | 0 | 0 | 0 | 7 | 7 | 25 | 75 | 70 | 52 | 33 | 7 | 7 | 7 | 25 | 25 | 41 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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