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Dunes Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Dunes surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Sunday 10 May 2026 SASTForecast update in hr min s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
17.5° C
(Which is normal for this time of year)How big are the waves at Dunes today?
The current surf forecast for Dunes at 4AM is: 1.4m 13s primary swell from a Southwest direction and 1.0m 12s secondary swell from a Southeast direction, 2.4m 7s secondary swell from a West-northwest direction (forecast issued at 01:00am May 10). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 5.5ft (1.7m) | 13s |
| Afternoon (10 May) | 13ft (4.0m) | 8s |
| Evening (10 May) | 18ft (5.5m) | 11s |
Table - waves today at Dunes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 60mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun morning). Winds decreasing (severe gales from the NNW on Mon morning, moderate winds from the WNW by Tue morning). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | ||||||||||||||||||||||
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 13 | SW 13 | SW 13 | WSW 13 | W 8 | WSW 9 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WNW 10 | W 12 | W 13 | W 13 | W 13 | W 13 | WSW 13 | WSW 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | |
581 | 623 | 783 | 1108 | 1481 | 3488 | 6949 | 7847 | 7177 | 4839 | 8821 | 17942 | 23567 | 20204 | 16607 | 13840 | 11707 | 10249 | 5044 | 3983 | 3587 | 3204 | 3267 | 2668 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | on | cross-on | on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | cross-on | on | cross-on | cross-on | |
High Tide | 9:36AM1.01m | 10:24PM1.16m | 10:56AM1.07m | 11:22PM1.27m | 11:55AM1.17m | |||||||||||||||||||
Low Tide | 3:34AM0.61m | 3:47PM0.54m | 4:54AM0.52m | 4:58PM0.48m | 5:51AM0.39m | 5:54PM0.40m | ||||||||||||||||||
 |  |  |  | |  |  | | | |  | | | | | | | | | | |  | |  | |
 | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
4 | 6 | 2 | 1 | 4 | 3 | 2 | 1 | 1 | 1 | 8 | 9 | 4 | 2 | 1 | 1 | 1 | 7 | 2 | 7 | 2 | — | 1 | — | |
Temp °C | 14 | 14 | 15 | 13 | 13 | 13 | 15 | 14 | 15 | 14 | 15 | 17 | 18 | 18 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |
4 | 7 | 6 | 6 | 1 | 1 | 4 | 5 | 6 | 2 | 0 | 5 | 7 | 9 | 9 | 10 | 11 | 11 | 15 | 12 | 13 | 13 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 13 | SW 13 | WSW 13 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | WSW 12 | SE 13 | S 9 | SSE 10 | SE 12 | SE 12 | SE 12 | WSW 13 | WSW 13 | W 13 | W 12 | SW 13 | SSW 12 | W 12 | SSW 12 |
 kJ | 581 | 623 | 679 | 1108 | 127 | 123 | 76 | 58 | 42 | 4839 | 61 | 43 | 38 | 39 | 24 | 24 | 7307 | 10249 | 5044 | 3983 | 2590 | 2200 | 3267 | 1979 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SW 22 | SW 22 | SSE 15 | SSE 15 | SSE 14 | SE 11 | S 10 | SE 13 | SSE 10 | SE 10 | ESE 10 | ESE 10 | — | SW 13 | SSW 13 | SW 13 | NNW 9 | NNW 9 | SSW 13 | — |
| kJ | 277 | 236 | 197 | 190 | 19 | 18 | 21 | 21 | 20 | 30 | 96 | 26 | 30 | 16 | 10 | 10 | — | 3000 | 2860 | 3049 | 475 | 362 | 2151 | — |
Swell 3 Height (m) Direction Period (s) | — | W 11 | — | — | — | — | SW 22 | — | — | SSE 14 | SSE 13 | — | — | — | — | — | — | NW 10 | NNW 9 | NW 9 | — | — | — | — |
| kJ | — | 2 | — | — | — | — | 18 | — | — | 18 | 18 | — | — | — | — | — | — | 600 | 381 | 493 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 7 | WNW 7 | W 7 | W 8 | W 8 | WSW 9 | WSW 11 | WSW 12 | WSW 12 | NW 7 | WNW 10 | W 12 | W 13 | W 13 | W 13 | W 13 | WSW 13 | W 13 | NW 9 | — | W 12 | W 12 | W 12 | W 12 |
| kJ | 614 | 611 | 783 | 828 | 1481 | 3488 | 6949 | 7847 | 7177 | 698 | 8821 | 17942 | 23567 | 20204 | 16607 | 13840 | 11707 | 6130 | 631 | — | 3587 | 3204 | 1455 | 2668 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 65 | 65 | 92 | 348 | 387 | 850 | 463 | 607 | 606 | 970 | 970 | 387 | 369 | 970 | 1024 | 1017 | 1049 | 426 | 349 | 8 | 8 | 8 | 20 | 20 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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