- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Nine Mile Reef surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 pm Wednesday 20 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
16.4° C
(Which is slightly cooler than normal)How big are the waves at Nine Mile Reef today?
The current surf forecast for Nine Mile Reef at 6PM is: 1.8m 8s primary swell from a Southeast direction and 1.0m 8s secondary swell from a South-southeast direction, 0.5m 11s secondary swell from a South-southeast direction (forecast issued at 01:00pm May 20). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | 4.5ft (1.3m) | 8s |
| Afternoon (20 May) | 7ft (2.1m) | 8s |
| Evening (20 May) | 6ft (1.8m) | 8s |
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. Warm (max 21°C on Wed afternoon, min 15°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 20 | SW 20 | SW 19 | SW 18 | SW 18 | SW 18 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | |
187 | 623 | 448 | 413 | 87 | 39 | 88 | 87 | 84 | 53 | 60 | 97 | 95 | 157 | 155 | 152 | 179 | 264 | 306 | 248 | 314 | 305 | 297 | 264 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | glassy | glassy | glassy | off | off | cross-off | cross-off | cross-off | off | off | off | off | glassy | glassy | on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 6:10PM1.40m | 6:30AM1.31m | 7:12PM1.33m | 7:37AM1.18m | 8:23PM1.28m | |||||||||||||||||||
Low Tide | 11:52AM0.19m | 00:24AM0.32m | 12:48PM0.30m | 1:33AM0.41m | 1:52PM0.40m | 2:54AM0.46m | ||||||||||||||||||
 | | |  | |  | | | |  | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — |
 | — | — | 5:49 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | 5:46 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 21 | 20 | 19 | 19 | 18 | 17 | 16 | 18 | 20 | 19 | 17 | 16 | 16 | 15 | 16 | 17 | 18 | 17 | 16 | 16 | 16 | 15 | 16 |
17 | 21 | 20 | 20 | 20 | 18 | 16 | 15 | 17 | 19 | 17 | 16 | 15 | 15 | 14 | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 15 | |
Swell 1 Height (m) Direction Period (s) | SSE 11 | SSE 8 | SSE 8 | SSE 7 | SSE 8 | S 7 | S 7 | SSE 7 | SSE 7 | S 7 | S 7 | S 7 | S 7 | SW 18 | SW 18 | SW 18 | SSW 16 | SSW 6 | SSW 6 | S 6 | SW 15 | SW 14 | SW 14 | SW 14 |
 kJ | 49 | 153 | 110 | 86 | 87 | 34 | 32 | 55 | 52 | 37 | 26 | 24 | 23 | 157 | 155 | 152 | 179 | 55 | 70 | 64 | 314 | 305 | 297 | 264 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SSE 11 | SSE 11 | SSE 10 | SSE 10 | SE 8 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | S 6 | S 6 | S 6 | SSW 6 | SW 16 | SW 16 | SW 16 | S 6 | S 6 | S 6 | S 6 |
| kJ | 50 | 68 | 66 | 62 | 37 | 35 | 88 | 87 | 84 | 53 | 52 | 51 | 50 | 21 | 19 | 17 | 19 | 264 | 306 | 248 | 49 | 36 | 25 | 25 |
Swell 3 Height (m) Direction Period (s) | SW 16 | SW 12 | SW 12 | SW 11 | SSW 14 | SSE 11 | SE 8 | SSE 11 | SSE 11 | SSE 11 | SW 20 | SW 20 | SW 19 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | SW 10 | S 10 | S 9 | S 9 | S 9 |
| kJ | 10 | 50 | 35 | 32 | 41 | 39 | 22 | 12 | 11 | 11 | 60 | 97 | 95 | 45 | 43 | 43 | 42 | 43 | 99 | 27 | 7 | 7 | 7 | 2 |
Wind waves Height (m) Direction Period (s) | SSE 8 | SE 8 | SE 8 | SE 8 | — | — | — | — | — | — | WNW 2 | NW 3 | NW 3 | NNW 3 | NNW 2 | NNW 2 | — | — | — | — | — | — | — | — |
| kJ | 187 | 623 | 448 | 413 | — | — | — | — | — | — | 1 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 12 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 22 | 16 | 16 | 16 | 16 | 16 |
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