- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Nine Mile Reef 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
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
17.7° C
(Which is slightly warmer than usual)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 8AM is: 0.8m 13s primary swell from a Southwest direction and 0.6m 12s secondary swell from a South-southeast direction (forecast issued at 01:00am May 10). An open ocean swell of 1.3m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | 2.5ft (0.8m) | 13s |
| Afternoon (10 May) | 7ft (2.1m) | 12s |
| Evening (10 May) | 10ft (3.0m) | 10s |
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 79mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Sun afternoon). Winds decreasing (gales from the NNW on Mon morning, light winds from the NW 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 |    |    |    | |||||||||||||||||||||
SW 13 | SW 13 | SW 13 | WSW 8 | WSW 12 | WSW 8 | WSW 10 | SW 12 | WSW 12 | SW 12 | SW 12 | S 10 | WSW 13 | WSW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | |
212 | 208 | 202 | 326 | 1332 | 870 | 1958 | 2412 | 6610 | 1565 | 1009 | 46 | 7017 | 6231 | 3725 | 12686 | 11098 | 2843 | 3741 | 3100 | 2218 | 1679 | 1652 | 1771 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | |
High Tide | 9:35AM1.02m | 10:24PM1.17m | 10:55AM1.08m | 11:22PM1.28m | 11:55AM1.19m | |||||||||||||||||||
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 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — |
1 | 10 | 3 | 2 | 7 | 3 | 3 | 2 | 1 | 1 | 9 | 10 | 7 | 4 | 2 | 1 | 1 | 5 | 6 | 5 | 4 | 1 | 1 | 1 | |
Temp °C | 14 | 13 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 17 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 18 | 17 | 17 | 16 | 16 |
6 | 9 | 9 | 7 | 3 | 3 | 6 | 6 | 7 | 4 | 1 | 7 | 9 | 10 | 11 | 12 | 11 | 12 | 15 | 13 | 15 | 14 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SE 11 | SE 11 | SE 11 | SE 11 | SW 12 | SW 12 | SW 12 | S 10 | SSE 10 | SSE 10 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 |
 kJ | 212 | 208 | 202 | 265 | 64 | 31 | 31 | 19 | 2180 | 1565 | 1009 | 46 | 30 | 31 | 3725 | 4045 | 3502 | 2843 | 2757 | 2239 | 2218 | 1679 | 1652 | 1771 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SSE 12 | SSE 12 | SE 12 | SW 22 | S 15 | SE 15 | SE 14 | SE 11 | SSE 10 | S 9 | — | SE 12 | — | — | — | — | — | SW 13 | SSW 13 | — | — | — | — |
| kJ | 147 | 94 | 93 | 66 | 19 | 4 | 8 | 8 | 18 | 11 | 53 | — | 55 | — | — | — | — | — | 3741 | 3100 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | NNE 6 | — | — | — | — | — | — | SE 14 | SSE 14 | SSE 13 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | — | — | — | — | — | 8 | 18 | 17 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NW 5 | W 5 | WSW 8 | WSW 12 | WSW 8 | WSW 10 | SW 12 | WSW 12 | NW 5 | NW 7 | W 12 | WSW 13 | WSW 14 | W 6 | WSW 13 | WSW 13 | WNW 5 | — | W 5 | W 12 | W 5 | W 4 | W 12 |
| kJ | 47 | 90 | 74 | 326 | 1332 | 870 | 1958 | 2412 | 6610 | 62 | 834 | 5497 | 7017 | 6231 | 267 | 12686 | 11098 | 47 | — | 67 | 3456 | 51 | 26 | 2524 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 68 | 319 | 340 | 359 | 320 | 358 | 577 | 976 | 976 | 340 | 340 | 868 | 987 | 987 | 998 | 358 | 320 | 578 | 18 | 320 | 10 | 20 | 10 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Nine Mile Reef surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest