- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Monday 11 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 10AM is: 0.4m 9s primary swell from a South-southeast direction and 0.2m 13s secondary swell from a South-southeast direction (forecast issued at 01:00am May 11). An open ocean swell of 4.0m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 7ft (2.2m) | 11s |
| Afternoon (11 May) | 15ft (4.5m) | 13s |
| Evening (11 May) | 10ft (3.0m) | 13s |
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 62mm), heaviest during Mon morning. Very mild (max 18°C on Mon afternoon, min 13°C on Wed night). Winds decreasing (gales from the NNW on Mon morning, calm by Wed night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
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 12 | SW 12 | SW 11 | SSE 9 | WSW 13 | WSW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | |
2496 | 1610 | 1204 | 29 | 6417 | 6009 | 3514 | 3160 | 2975 | 3264 | 3105 | 2822 | 2304 | 1920 | 1688 | 1682 | 1472 | 1553 | 1969 | 1971 | 2244 | 2142 | 1805 | 1568 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross-on | glassy | |
High Tide | 10:55AM1.08m | 11:22PM1.28m | 11:55AM1.19m | 00:11AM1.40m | 12:45PM1.30m | |||||||||||||||||||
Low Tide | 4:54AM0.53m | 4:58PM0.49m | 5:52AM0.40m | 5:54PM0.40m | 6:39AM0.25m | 6:43PM0.31m | ||||||||||||||||||
 | |  | |  | | | | |  | | |  |  | |  | |  |  |  | | | |  | |
 | — | 7:26 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
1 | 2 | 12 | 13 | 5 | 3 | 2 | 2 | 1 | 9 | 1 | 2 | 7 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | |
Temp °C | 13 | 12 | 14 | 17 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 16 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 14 |
7 | 1 | 2 | 7 | 8 | 10 | 10 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SSE 9 | SSE 9 | SSE 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
 kJ | 2496 | 1610 | 1204 | 29 | 29 | 17 | 3514 | 3160 | 2975 | 3264 | 3105 | 2822 | 2304 | 1920 | 1688 | 1682 | 1472 | 1553 | 1969 | 1971 | 2244 | 2142 | 1805 | 1568 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SE 11 | SSE 13 | SSE 13 | SE 13 | SE 10 | SE 10 | — | SSE 12 | — | — | — | — | — | — | — | SSE 11 | — | SE 11 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 |
| kJ | 11 | 4 | 17 | 17 | 41 | 4 | 16 | — | 15 | — | — | — | — | — | — | — | 12 | — | 5 | 1482 | 1389 | 1274 | 1167 | 966 |
Swell 3 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 13 | — | SE 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 11 | — | — | — | — |
| kJ | 8 | 7 | 28 | — | 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 11 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NW 5 | NW 7 | W 12 | WSW 13 | WSW 14 | WNW 6 | WNW 6 | W 5 | W 13 | W 12 | W 12 | W 12 | W 4 | W 4 | W 12 | WNW 4 | W 4 | W 11 | — | — | — | — | — |
| kJ | — | 168 | 885 | 5162 | 6417 | 6009 | 255 | 122 | 88 | 5043 | 3429 | 2943 | 2544 | 20 | 22 | 2386 | 24 | 23 | 1763 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 976 | 340 | 340 | 868 | 865 | 998 | 1024 | 398 | 18 | 1030 | 18 | 18 | 20 | 10 | 18 | 10 | 10 | 165 | 165 | 165 | 31 | 18 | 18 | 12 |
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