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Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 am Sunday 10 May 2026 SASTForecast update in hr min s Forecast update imminent
Nine Mile Reef surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Nine Mile Reef sea temperature is
17.2° C
(Which is normal for this time of year)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 12PM is: 1.6m 8s primary swell from a West-southwest direction and 0.9m 13s secondary swell from a Southwest direction, 0.5m 12s secondary swell from a Southeast direction (forecast issued at 07:00am May 10). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2.5ft (0.8m) | 13s |
| Afternoon (10 May) | 7ft (2.2m) | 12s |
| Evening (10 May) | 10ft (3.0m) | 11s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 84mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 12°C on Sun afternoon). Winds increasing (light winds from the WNW on Sun morning, gales from the NNW by Mon morning). | ||||||||||||||||||||||||
Sunday 10 | Monday 11 | Tuesday 12 | Wed 13 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 13 | SW 13 | WSW 8 | WSW 12 | WSW 8 | WSW 11 | SW 12 | WSW 12 | SW 12 | SW 11 | S 9 | WSW 13 | SW 13 | SW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | |
208 | 202 | 333 | 1427 | 1134 | 2126 | 2515 | 6625 | 1584 | 1054 | 42 | 5702 | 3732 | 3307 | 10967 | 2522 | 2399 | 2382 | 3052 | 2183 | 1854 | 1897 | 5026 | 1821 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:35AM1.02m | 10:24PM1.17m | 10:55AM1.08m | 11:22PM1.28m | 11:55AM1.19m | 00:11AM1.40m | ||||||||||||||||||
Low Tide | 3:33AM0.62m | 3:46PM0.54m | 4:54AM0.53m | 4:58PM0.49m | 5:52AM0.40m | 5:54PM0.40m | ||||||||||||||||||
 |  |  |  | |  |  | | |  | |  | | | | |  | | | | | | | | |
 | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | 7:28 |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | 5:53 |
12 | 3 | 1 | 5 | 3 | 2 | 2 | 1 | 1 | 11 | 11 | 6 | 3 | 2 | 2 | 3 | 9 | 3 | 3 | 9 | 1 | 1 | 1 | 1 | |
Temp °C | 12 | 14 | 15 | 12 | 12 | 13 | 13 | 13 | 12 | 14 | 17 | 18 | 18 | 18 | 17 | 18 | 16 | 16 | 18 | 17 | 17 | 16 | 16 | 15 |
8 | 11 | 8 | 2 | 2 | 4 | 6 | 7 | 3 | 2 | 7 | 8 | 10 | 11 | 11 | 10 | 14 | 14 | 12 | 14 | 15 | 13 | 14 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SE 11 | SE 11 | SE 11 | SE 11 | SW 12 | SW 12 | SW 11 | S 9 | S 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
 kJ | 208 | 202 | 265 | 64 | 31 | 31 | 19 | 2346 | 1584 | 1054 | 42 | 44 | 3732 | 3307 | 3543 | 2522 | 2399 | 2382 | 2204 | 2183 | 1854 | 1897 | 1945 | 1821 |
Swell 2 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SE 12 | SW 22 | S 15 | S 15 | S 15 | SSE 11 | SE 10 | SSE 13 | SSE 13 | SE 10 | SSE 10 | ESE 10 | — | — | — | — | SSW 13 | — | — | — | — | — |
| kJ | 94 | 93 | 66 | 19 | 4 | 4 | 4 | 11 | 4 | 17 | 17 | 16 | 31 | 10 | — | — | — | — | 3052 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 9 | — | — | — | — | SW 22 | — | SSE 14 | SE 14 | SE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 38 | — | — | — | — | 18 | — | 19 | 7 | 44 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | W 9 | WSW 8 | WSW 12 | WSW 8 | WSW 11 | SW 12 | WSW 12 | NNW 4 | NW 7 | W 12 | WSW 13 | WNW 7 | WNW 6 | WSW 13 | WNW 5 | WNW 6 | WNW 6 | WNW 6 | W 12 | W 4 | W 12 | WSW 12 | W 12 |
| kJ | 44 | 185 | 333 | 1427 | 1134 | 2126 | 2515 | 6625 | 54 | 835 | 4953 | 5702 | 444 | 263 | 10967 | 109 | 217 | 200 | 237 | 3267 | 31 | 3035 | 5026 | 2501 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 10 | 378 | 398 | 641 | 1030 | 976 | 438 | 358 | 340 | 1031 | 987 | 994 | 1007 | 398 | 300 | 398 | 20 | 320 | 10 | 10 | 10 | 10 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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