Surf Forecasts:
How big are the waves at Nine Mile Reef today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 7ft (2.2m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 7ft (2.1m), 10s period with S swell.
- Evening surf: Evening surf (10 Aug, local time) - 6.5ft (2.0m), 10s period with S swell.
The current surf forecast for Nine Mile Reef at 5PM is: 2.3m 10s primary swell from a South direction and 0.9m 14s secondary swell from a South-southwest direction, 0.9m 11s secondary swell from a West-southwest direction (forecast issued at 01:00pm August 10). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 7ft (2.2m) | 11s |
| Afternoon (10 Aug) | 7ft (2.1m) | 10s |
| Evening (10 Aug) | 6.5ft (2.0m) | 10s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Thu morning, min 11°C on Mon night). Winds decreasing (fresh winds from the SE on Mon afternoon, calm by Wed afternoon). | |||||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||||
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 10 | S 9 | S 10 | S 10 | SSW 14 | S 13 | S 13 | S 13 | S 12 | S 12 | SSW 11 | SW 24 | SW 22 | SW 22 | SW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 680 | 709 | 1045 | 976 | 1095 | 1866 | 1487 | 1285 | 1031 | 909 | 349 | 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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | on | glassy | cross | cross |
High Tide | 1:46PM1.38m | 2:01AM1.47m | 2:32PM1.53m | 2:47AM1.55m | 3:14PM1.64m | ||||||||||||||||
Low Tide | 7:56PM0.26m | 8:21AM0.11m | 8:45PM0.14m | 9:02AM0.03m | 9:28PM0.06m | ||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | — | — | 6:10 | — | — | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:12 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 13 | 17 | 18 | 15 | 13 | 13 | 12 | 13 | 16 | 20 | 21 | 20 | 20 |
Feels °C | 7 | 7 | 6 | 6 | 7 | 7 | 7 | 7 | 9 | 13 | 13 | 11 | 10 | 9 | 9 | 10 | 14 | 18 | 20 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 12 | SSW 26 | SSW 11 | SSW 11 | SW 22 | SW 22 | SW 20 | SW 20 | SW 18 | SW 18 | SW 18 | SW 17 | SW 17 |
| kJ | 228 | 254 | 308 | 596 | 1095 | 1866 | 1487 | 1285 | 1031 | 64 | 349 | 214 | 606 | 906 | 1020 | 969 | 1101 | 901 | 985 | 951 | 918 |
Swell 2 Height (m) Direction Period (s) | — | S 14 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 11 | SW 26 | SW 25 | SW 24 | SW 24 | SSW 11 | SSW 11 | SSW 11 | SE 8 | SE 8 | SE 9 | SE 9 | SW 10 | SSW 22 |
| kJ | — | 96 | 180 | 242 | 130 | 60 | 60 | 66 | 27 | 100 | 149 | 444 | 138 | 135 | 133 | 132 | 100 | 73 | 62 | 16 | 317 |
Swell 3 Height (m) Direction Period (s) | — | SSW 13 | SW 11 | — | — | — | — | SW 16 | W 16 | WSW 10 | WSW 10 | WSW 10 | — | — | — | SSW 11 | SW 10 | SW 10 | SW 10 | S 10 | S 10 |
| kJ | — | 290 | 76 | — | — | — | — | 10 | 5 | 20 | 20 | 20 | — | — | — | 78 | 52 | 27 | 26 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | S 10 | S 9 | S 10 | S 10 | SSE 10 | SE 7 | SE 8 | SE 8 | SE 8 | S 12 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | SE 6 | SE 6 |
| kJ | 680 | 709 | 1045 | 976 | 556 | 368 | 403 | 535 | 622 | 909 | 253 | 299 | 244 | 222 | 205 | 700 | 562 | 486 | 440 | 54 | 73 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 166 | 914 | 165 | 21 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 12 | 12 | 0 | 16 | 0 | 12 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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