Surf Forecasts:
How big are the waves at Nine Mile Reef today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4.5ft (1.3m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 4.5ft (1.3m), 17s period with SW swell.
- Evening surf: Evening surf (13 Aug, local time) - 4ft (1.2m), 16s period with SW swell.
The current surf forecast for Nine Mile Reef at 10PM is: 1.1m 16s primary swell from a Southwest direction and 0.3m 6s secondary swell from a Southeast direction (forecast issued at 01:00pm August 13). The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4.5ft (1.3m) | 18s |
| Afternoon (13 Aug) | 4.5ft (1.3m) | 17s |
| Evening (13 Aug) | 4ft (1.2m) | 16s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 13°C on Fri morning). Wind will be generally light. | |||||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||||
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) | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 14 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1327 | 1062 | 943 | 803 | 627 | 611 | 532 | 462 | 360 | 355 | 355 | 336 | 308 | 308 | 313 | 272 | 264 | 257 | 261 | 347 | 347 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | off | cross-off | glassy | glassy | glassy | on | on | on | glassy |
High Tide | 3:53PM1.70m | 4:08AM1.57m | 4:29PM1.70m | 4:45AM1.52m | 5:04PM1.66m | ||||||||||||||||
Low Tide | 9:40AM-0.01m | 10:08PM0.02m | 10:16AM-0.00m | 10:46PM0.04m | 10:51AM0.05m | ||||||||||||||||
 | | |  | |  | | | |  | | | | | |  | | | | | | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 25 | 24 | 21 | 20 | 18 | 16 | 13 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 17 | 17 | 16 | 15 |
Feels °C | 19 | 21 | 21 | 18 | 16 | 13 | 12 | 9 | 11 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 14 | 16 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 14 | WSW 14 |
| kJ | 1327 | 1062 | 943 | 803 | 627 | 611 | 532 | 462 | 360 | 355 | 355 | 336 | 308 | 308 | 313 | 272 | 264 | 257 | 261 | 347 | 347 |
Swell 2 Height (m) Direction Period (s) | SE 6 | SE 12 | SE 12 | SE 12 | SE 6 | SE 6 | SE 12 | SSE 11 | SE 11 | SE 12 | SE 12 | SE 12 | WNW 6 | W 6 | W 6 | WSW 6 | WSW 6 | WSW 8 | WSW 8 | ESE 10 | SE 4 |
| kJ | 9 | 49 | 35 | 35 | 5 | 5 | 5 | 13 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 8 | 24 | 22 | 9 | 1 |
Swell 3 Height (m) Direction Period (s) | SE 12 | — | — | — | ESE 12 | SE 12 | — | — | — | — | — | — | SE 12 | ESE 10 | ESE 10 | ESE 9 | ESE 9 | ESE 9 | — | — | ESE 10 |
| kJ | 22 | — | — | — | 14 | 5 | — | — | — | — | — | — | 5 | 22 | 18 | 17 | 9 | 8 | — | — | 10 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 8 | E 6 | NNW 3 | NW 3 | NW 4 | WNW 4 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 3 | 7 | 3 | 5 | 10 | 8 | 12 | 50 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 16 | 12 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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