
Surf Forecasts:
How big are the waves at Nine Mile Reef today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 6.5ft (2.0m), 12s period with S swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 4.5ft (1.3m), 12s period with SSW swell.
- Evening surf: Evening surf (11 Aug, local time) - 2ft (0.6m), 24s period with SW swell.
The current surf forecast for Nine Mile Reef at 7PM is: 0.5m 24s primary swell from a Southwest direction and 1.0m 11s secondary swell from a South-southwest direction, 1.5m 8s secondary swell from a Southeast direction (forecast issued at 01:00pm August 11). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 6.5ft (2.0m) | 12s |
| Afternoon (11 Aug) | 4.5ft (1.3m) | 12s |
| Evening (11 Aug) | 2ft (0.6m) | 24s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Thu afternoon, min 12°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||||
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) | S 12 | SSW 12 | SSW 12 | SW 24 | SW 22 | SW 22 | SW 20 | SW 20 | 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 |
Wave Graph | |||||||||||||||||||||
1031 | 505 | 301 | 444 | 606 | 906 | 1020 | 969 | 1101 | 808 | 985 | 951 | 908 | 746 | 881 | 1026 | 1327 | 1062 | 943 | 803 | 627 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-on | glassy | cross | cross | cross | cross-off | cross-off | cross-off | off | glassy | off | off |
High Tide | 2:32PM1.53m | 2:47AM1.55m | 3:14PM1.64m | 3:29AM1.58m | 3:53PM1.70m | ||||||||||||||||
Low Tide | 8:21AM0.11m | 8:45PM0.14m | 9:02AM0.03m | 9:28PM0.06m | 9:40AM-0.01m | 10:08PM0.02m | |||||||||||||||
— | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | |
— | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 17 | 17 | 15 | 13 | 12 | 12 | 13 | 15 | 20 | 21 | 19 | 20 | 19 | 19 | 18 | 22 | 24 | 24 | 21 | 19 |
Feels °C | 10 | 13 | 12 | 11 | 10 | 9 | 8 | 9 | 13 | 18 | 20 | 15 | 16 | 15 | 15 | 15 | 19 | 19 | 23 | 19 | 15 |
Swell 1 Height (m) Direction Period (s) | S 12 | SSW 12 | SSW 12 | SSW 11 | SW 22 | SW 22 | SW 20 | SW 20 | 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 |
1031 | 505 | 301 | 214 | 606 | 906 | 1020 | 969 | 1101 | 808 | 985 | 951 | 908 | 746 | 643 | 1026 | 1327 | 1062 | 943 | 803 | 627 | |
Swell 2 Height (m) Direction Period (s) | SW 26 | SSW 26 | SW 24 | SW 24 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SE 8 | SE 8 | SE 8 | SW 10 | SSW 22 | SW 21 | SW 20 | SW 16 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 |
27 | 64 | 149 | 444 | 138 | 135 | 133 | 78 | 93 | 60 | 48 | 16 | 311 | 658 | 881 | 406 | 87 | 68 | 68 | 35 | 35 | |
Swell 3 Height (m) Direction Period (s) | W 16 | WSW 10 | WSW 10 | WSW 10 | — | — | — | S 10 | SW 10 | SW 10 | SW 10 | S 10 | S 10 | SE 11 | SE 12 | SE 12 | — | — | — | — | — |
5 | 20 | 20 | 20 | — | — | — | 31 | 52 | 27 | 27 | 8 | 8 | 40 | 108 | 142 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | ESE 9 | SE 8 | ESE 6 | ESE 6 | E 3 | NE 4 | — | — | — | — | — |
558 | 182 | 247 | 299 | 260 | 191 | 156 | 112 | 574 | 512 | 475 | 67 | 67 | 43 | 8 | 5 | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 12 | 16 | 16 | 12 | 12 | 16 | 0 | 0 | 16 | 0 | 16 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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