Surf Forecasts:
How big are the waves at Nine Mile Reef today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 6.5ft (2.0m), 11s period with S swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 6.5ft (2.0m), 10s period with S swell.
- Evening surf: Evening surf (10 Aug, local time) - 5.5ft (1.7m), 14s period with SSW swell.
The current surf forecast for Nine Mile Reef at 6AM is: 2.5m 11s primary swell from a Southwest direction and 2.2m 11s secondary swell from a South-southwest direction (forecast issued at 01:00am August 10). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 6.5ft (2.0m) | 11s |
| Afternoon (10 Aug) | 6.5ft (2.0m) | 10s |
| Evening (10 Aug) | 5.5ft (1.7m) | 14s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Wed afternoon, min 10°C on Mon night). Winds decreasing (fresh winds from the SE on Mon afternoon, calm by Wed afternoon). | ||||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | ||||||||||||||||||||||
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 | 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 11 | SW 11 | S 11 | S 10 | S 9 | S 10 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 11 | SW 24 | SW 22 | SW 22 | SW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1781 | 1514 | 917 | 610 | 632 | 951 | 1138 | 1095 | 1866 | 1487 | 1285 | 1022 | 895 | 675 | 444 | 606 | 906 | 1020 | 969 | 1101 | 901 | 985 | 951 | 918 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross-off | glassy | glassy | glassy | cross | cross-off |
High Tide | 1:06AM1.36m | 1:46PM1.38m | 2:01AM1.47m | 2:32PM1.53m | 2:47AM1.55m | 3:14PM1.64m | ||||||||||||||||||
Low Tide | 7:33AM0.22m | 7:56PM0.26m | 8:21AM0.11m | 8:45PM0.14m | 9:02AM0.03m | 9:28PM0.06m | ||||||||||||||||||
 |  |  | |  | |  | | | | | | | | | | | | | | | | | | |
 | — | 7:30 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 13 | 14 | 13 | 12 | 11 | 11 | 10 | 11 | 13 | 16 | 17 | 15 | 13 | 13 | 13 | 14 | 17 | 20 | 21 | 21 | 20 |
Feels °C | 6 | 6 | 6 | 7 | 7 | 6 | 7 | 6 | 7 | 6 | 7 | 10 | 13 | 13 | 10 | 9 | 9 | 9 | 11 | 15 | 18 | 20 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | S 11 | SW 11 | SW 11 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 12 | SSW 26 | SW 24 | SSW 11 | SW 22 | SW 22 | SW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
| kJ | 1781 | 1514 | 917 | 228 | 254 | 308 | 694 | 1095 | 1866 | 1487 | 1285 | 1022 | 64 | 149 | 214 | 606 | 906 | 1020 | 969 | 1101 | 901 | 985 | 951 | 918 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | S 14 | WSW 11 | SSW 14 | WSW 11 | WSW 10 | WSW 10 | WSW 11 | SW 26 | SW 25 | SW 24 | SW 24 | SSW 11 | SSW 11 | SE 8 | SSW 11 | SE 8 | SW 10 | SE 8 | SW 10 | SSW 22 |
| kJ | — | — | — | — | 96 | 180 | 1138 | 130 | 60 | 60 | 66 | 27 | 100 | 358 | 444 | 173 | 135 | 129 | 78 | 68 | 27 | 44 | 16 | 317 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 13 | SW 11 | WSW 11 | — | — | — | SW 16 | SW 26 | WSW 10 | WSW 10 | WSW 10 | — | — | SSW 11 | S 10 | SW 10 | — | SW 10 | S 10 | S 10 |
| kJ | — | — | — | — | 290 | 76 | 242 | — | — | — | 10 | 27 | 20 | 20 | 20 | — | — | 119 | 31 | 52 | — | 26 | 7 | 8 |
Wind waves Height (m) Direction Period (s) | SSW 11 | SSW 11 | SSE 8 | S 10 | S 9 | S 10 | S 10 | SSE 10 | SE 7 | SE 7 | SE 7 | SE 7 | S 12 | S 11 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | ESE 9 | SE 9 | ESE 8 | SE 6 | SE 6 |
| kJ | 1186 | 1046 | 315 | 610 | 632 | 951 | 855 | 492 | 335 | 392 | 386 | 492 | 895 | 675 | 247 | 260 | 216 | 667 | 118 | 407 | 88 | 302 | 42 | 58 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 196 | 196 | 36 | 21 | 165 | 165 | 16 | 16 | 16 | 12 | 12 | 12 | 12 | 16 | 16 | 16 | 16 | 12 | 0 | 0 | 0 | 0 | 12 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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