Surf Forecasts:
How big are the waves at Nine Mile Reef today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 5ft (1.5m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5ft (1.5m), 11s period with SSW swell.
- Evening surf: Evening surf (21 Aug, local time) - 4ft (1.2m), 11s period with SSW swell.
The current surf forecast for Nine Mile Reef at 1PM is: 1.4m 11s primary swell from a South-southwest direction and 1.3m 11s secondary swell from a South-southwest direction, 0.9m 4s secondary swell from a Southeast direction (forecast issued at 07:00am August 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 5ft (1.5m) | 11s |
| Afternoon (21 Aug) | 5ft (1.5m) | 11s |
| Evening (21 Aug) | 4ft (1.2m) | 11s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 658 | 556 | 495 | 524 | 317 | 311 | 444 | 322 | 270 | 346 | 291 | 256 | 371 | 512 | 582 | 594 | 542 | 403 | 633 | 639 | 629 | 471 | 448 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | glassy | cross-on | glassy | cross-off | off | off | cross-off | cross-off | glassy | glassy | cross-on | on | cross-on | on | on | on | on | on |
High Tide | 9:44AM0.92m | 10:23PM0.99m | 11:56AM0.97m | 00:07AM1.04m | 1:00PM1.07m | ||||||||||||||||||
Low Tide | 3:15AM0.64m | 3:47PM0.72m | 5:33AM0.63m | 6:08PM0.67m | 6:47AM0.53m | 7:08PM0.57m | |||||||||||||||||
 |  | | | | |  | |  | | |  |  | | | | | | | | | | | |
 | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — |
 | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 15 | 18 | 17 | 16 | 14 | 13 | 13 | 12 | 15 | 18 | 16 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 14 | 13 | 13 |
Feels °C | 10 | 9 | 13 | 16 | 15 | 16 | 14 | 13 | 13 | 10 | 12 | 15 | 14 | 15 | 16 | 14 | 12 | 12 | 12 | 12 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 11 | SSW 11 | SSW 11 | SSW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 |
| kJ | 658 | 556 | 495 | 524 | 317 | 311 | 444 | 322 | 270 | 346 | 291 | 256 | 371 | 512 | 582 | 594 | 542 | 403 | 633 | 639 | 629 | 471 | 448 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | — | SSW 11 | SSW 11 | SSW 10 | SSE 6 | WSW 11 | SSW 14 | SSW 14 | WSW 10 | WSW 10 | WSW 10 | WSW 16 | WSW 16 | SW 15 | SW 14 | WSW 14 | WSW 13 | — | SSW 11 | — | — | SSW 11 |
| kJ | 511 | — | 486 | 372 | 310 | 50 | 366 | 65 | 105 | 216 | 198 | 195 | 27 | 25 | 56 | 103 | 127 | 120 | — | 226 | — | — | 286 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 14 | SSW 14 | — | — | W 18 | — | — | — | WSW 14 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 161 | 163 | — | — | 6 | — | — | — | 508 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SE 3 | ESE 4 | SE 4 | SSE 5 | SE 5 | — | — | — | NW 2 | NNW 2 | NW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | 18 | 28 | 39 | 83 | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 12 | 16 | 21 | 21 | 0 | 10 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 | 16 | 16 | 16 | 21 | 27 | 21 | 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