Surf Forecasts:
How big are the waves at Nine Mile Reef today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.1m), 19s period with SW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 4.5ft (1.3m), 18s period with SW swell.
- Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.3m), 17s period with SW swell.
The current surf forecast for Nine Mile Reef at 5PM is: 1.3m 18s primary swell from a Southwest direction and 0.5m 6s secondary swell from a Southeast direction, 1.6m 9s secondary swell from a East-southeast direction (forecast issued at 01:00pm August 12). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 3.5ft (1.1m) | 19s |
| Afternoon (12 Aug) | 4.5ft (1.3m) | 18s |
| Evening (12 Aug) | 4.5ft (1.3m) | 17s |
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 14°C on Fri night). Wind will be generally light. | |||||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||||
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 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 20 | SW 19 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1101 | 808 | 985 | 951 | 918 | 844 | 881 | 1026 | 1327 | 1062 | 943 | 719 | 627 | 611 | 532 | 532 | 360 | 355 | 355 | 336 | 308 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross | cross | cross | cross-off | cross-off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | glassy |
High Tide | 3:14PM1.64m | 3:29AM1.58m | 3:53PM1.70m | 4:08AM1.57m | 4:29PM1.70m | ||||||||||||||||
Low Tide | 9:02AM0.03m | 9:28PM0.06m | 9:40AM-0.01m | 10:08PM0.02m | 10:16AM-0.00m | 10:46PM0.04m | |||||||||||||||
 | | |  |  | | | | | | | | | | | | |  | | | | |
 | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 20 | 21 | 20 | 20 | 20 | 19 | 19 | 22 | 25 | 24 | 22 | 21 | 19 | 19 | 17 | 17 | 19 | 17 | 15 | 14 |
Feels °C | 14 | 18 | 19 | 16 | 16 | 16 | 16 | 16 | 20 | 21 | 21 | 19 | 17 | 15 | 15 | 12 | 13 | 15 | 15 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 19 | 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 |
| kJ | 1101 | 808 | 985 | 951 | 918 | 844 | 643 | 1026 | 1327 | 1062 | 943 | 719 | 627 | 611 | 532 | 532 | 360 | 355 | 355 | 336 | 308 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 6 | SE 6 | SW 10 | SSW 22 | SW 21 | SW 20 | SW 16 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | ESE 9 | SE 10 | SSE 11 | SSE 12 | SE 12 | SE 12 | W 6 |
| kJ | 80 | 33 | 18 | 16 | 311 | 658 | 881 | 406 | 87 | 68 | 35 | 35 | 35 | 34 | 113 | 92 | 12 | 13 | 5 | 5 | 6 |
Swell 3 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | S 10 | SE 10 | S 10 | S 10 | SE 12 | — | — | — | — | — | — | — | — | — | — | — | — | SE 12 |
| kJ | 52 | 27 | 26 | 7 | 23 | 8 | 2 | 142 | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 9 | ESE 9 | SE 9 | SE 6 | SE 10 | ESE 12 | NE 4 | — | — | — | — | — | — | SE 12 | E 11 | NW 3 | NW 3 | WNW 3 | W 6 | — |
| kJ | 560 | 500 | 395 | 79 | 56 | 151 | 171 | 7 | — | — | — | — | — | — | 34 | 23 | 2 | 2 | 2 | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 0 | 0 | 16 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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