Surf Forecasts:
How big are the waves at Nine Mile Reef today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 4.5ft (1.4m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 4.5ft (1.3m), 13s period with SW swell.
- Evening surf: Evening surf (23 Aug, local time) - 4ft (1.2m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 2AM is: 1.4m 12s primary swell from a Southwest direction and 0.5m 14s secondary swell from a Southwest direction (forecast issued at 07:00pm August 22). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 4.5ft (1.4m) | 13s |
| Afternoon (23 Aug) | 4.5ft (1.3m) | 13s |
| Evening (23 Aug) | 4ft (1.2m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 12°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Sat 22 | Sunday 23 | Monday 24 | |||||||||||||||||
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) | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SW 11 | SW 11 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 337 | 512 | 485 | 533 | 448 | 653 | 581 | 572 | 555 | 471 | 396 | 448 | 407 | 400 | 347 | 263 | 297 | 316 | 561 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | glassy | on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 00:07AM1.04m | 1:00PM1.07m | 1:03AM1.14m | 1:38PM1.20m | |||||||||||||||
Low Tide | 6:08PM0.67m | 6:47AM0.53m | 7:08PM0.57m | 7:28AM0.42m | 7:46PM0.46m | ||||||||||||||
 |  | | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 13 | 12 | 14 | 15 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 15 | 14 | 13 | 13 |
Feels °C | 14 | 15 | 15 | 14 | 12 | 11 | 12 | 13 | 10 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SW 11 | SW 11 | SW 11 | SSW 14 |
| kJ | 337 | 512 | 485 | 533 | 448 | 653 | 581 | 572 | 555 | 471 | 396 | 448 | 407 | 400 | 347 | 263 | 297 | 286 | 561 |
Swell 2 Height (m) Direction Period (s) | WSW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 12 | — | SSW 10 | — | — | — | — | — | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 10 |
| kJ | 27 | 10 | 56 | 102 | 153 | 57 | — | 155 | — | — | — | — | — | 39 | 123 | 110 | 158 | 316 | 231 |
Swell 3 Height (m) Direction Period (s) | — | — | WSW 15 | SSW 11 | — | — | — | — | — | — | — | — | — | — | — | SSW 14 | SW 15 | W 11 | — |
| kJ | — | — | 193 | 219 | — | — | — | — | — | — | — | — | — | — | — | 246 | 262 | 297 | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | — | — | — | — | — | — | — | — | — | SE 2 | — | — | ESE 2 | — | SSE 3 | SSE 4 | SSE 4 | SSE 4 |
| kJ | 3 | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | — | 8 | 15 | 17 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 16 | 16 | 22 | 29 | 27 | 16 | 16 | 16 | 16 | 16 | 26 | 27 | 29 | 31 | 21 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
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