- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Tuesday 12 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
17.1° 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 1AM is: 2.5m 12s primary swell from a Southwest direction (forecast issued at 07:00pm May 12). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 10ft (3.0m) | 12s |
| Afternoon (13 May) | 10ft (3.0m) | 12s |
| Evening (13 May) | 8ft (2.5m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 15 | S 14 | S 14 | S 14 | S 14 | |
1890 | 1739 | 1711 | 5067 | 2183 | 2388 | 2357 | 2466 | 2393 | 2106 | 1877 | 1665 | 1471 | 1332 | 1064 | 901 | 711 | 608 | 469 | 706 | 1832 | 2155 | 2341 | 2341 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | on | on | |
High Tide | 00:11AM1.40m | 12:45PM1.30m | 00:56AM1.52m | 1:30PM1.41m | 1:40AM1.61m | |||||||||||||||||||
Low Tide | 5:54PM0.40m | 6:39AM0.25m | 6:43PM0.31m | 7:22AM0.12m | 7:29PM0.22m | 8:04AM0.02m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:30 | — | — | — |
 | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | 5:52 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 17 | 16 | 15 | 15 | 14 | 15 | 15 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 18 |
14 | 14 | 12 | 11 | 10 | 12 | 11 | 13 | 14 | 13 | 13 | 14 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | S 14 | S 14 | S 14 | S 14 |
 kJ | 1890 | 1739 | 1711 | 2061 | 2183 | 2388 | 2357 | 2466 | 2393 | 2106 | 1877 | 1665 | 1471 | 1332 | 1064 | 901 | 711 | 608 | 469 | 374 | 1832 | 2155 | 2341 | 2341 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SE 11 | SE 11 | W 12 | WSW 11 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 20 | SW 19 | SW 18 | SW 18 | WSW 18 | S 14 | S 14 | S 15 | SW 17 | SW 15 | SW 15 | SW 15 |
| kJ | — | — | — | — | 5 | 5 | 988 | 1338 | 1390 | 1160 | 1054 | 821 | 15 | 15 | 13 | 49 | 31 | 59 | 194 | 706 | 100 | 115 | 149 | 147 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SE 11 | SE 11 | — | — | — | W 20 | SW 19 | SW 19 | WSW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | WSW 12 | WSW 15 | WSW 15 | WSW 15 |
| kJ | — | — | — | — | — | — | 5 | 5 | — | — | — | 8 | 15 | 15 | 31 | 80 | 81 | 42 | 93 | 93 | 518 | 474 | 480 | 805 |
Wind waves Height (m) Direction Period (s) | W 4 | W 4 | W 4 | WSW 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 40 | 24 | 30 | 5067 | 1877 | 1602 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 165 | 165 | 165 | 31 | 18 | 18 | 18 | 12 | 12 | 12 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 10 | 16 | 16 | 29 |
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