Surf Forecasts:
How big are the waves at Nine Mile Reef today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 3.5ft (1.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 4ft (1.2m), 11s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 4.5ft (1.4m), 11s period with SW swell.
The current surf forecast for Nine Mile Reef at 1PM is: 1.2m 11s primary swell from a Southwest direction and 0.1m 11s secondary swell from a South direction (forecast issued at 07:00am August 31). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 3.5ft (1.1m) | 12s |
| Afternoon (31 Aug) | 4ft (1.2m) | 11s |
| Evening (31 Aug) | 4.5ft (1.4m) | 11s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Wed afternoon, min 10°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SSW 13 | SW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 303 | 298 | 380 | 366 | 354 | 439 | 375 | 683 | 862 | 1110 | 1272 | 1465 | 1722 | 1778 | 1672 | 1570 | 1570 | 1408 | 1280 | 1179 | 1083 | 905 | 796 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | glassy | glassy | glassy | cross-on | on | cross-off | glassy | cross-on | glassy | on | on | on | cross-on | glassy |
High Tide | 4:47AM1.49m | 5:03PM1.61m | 5:22AM1.43m | 5:37PM1.54m | 6:00AM1.33m | 6:18PM1.43m | |||||||||||||||||
Low Tide | 10:48AM0.11m | 11:18PM0.12m | 11:21AM0.18m | 11:55PM0.19m | 11:59AM0.28m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:05 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 16 | 17 | 16 | 14 | 14 |
Feels °C | 7 | 7 | 8 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 13 | 14 | 13 | 13 | 12 | 12 | 11 | 12 | 14 | 14 | 14 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SSW 13 | SW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 303 | 298 | 380 | 366 | 354 | 439 | 375 | 683 | 862 | 1110 | 1272 | 1465 | 1722 | 1778 | 1672 | 1570 | 1570 | 1408 | 1280 | 1179 | 1083 | 905 | 796 |
Swell 2 Height (m) Direction Period (s) | S 7 | S 7 | S 11 | — | S 10 | S 10 | SSW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 45 | 50 | 2 | — | 2 | 2 | 195 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | SE 10 | — | — | — | — | SW 14 | S 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | 186 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 16 | 32 | 27 | 27 | 16 | 16 | 16 | 10 | 0 | 0 | 0 | 10 | 20 | 12 | 12 | 16 | 0 | 21 | 32 | 21 | 16 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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