Surf Forecasts:
How big are the waves at Nine Mile Reef today (31 Aug):
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5.5ft (1.7m), 12s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 3.5ft (1.1m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 12AM is: 1.1m 12s primary swell from a Southwest direction and 0.2m 10s secondary swell from a South-southeast direction, 1.0m 8s secondary swell from a South direction (forecast issued at 07:00pm August 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | - | - |
| Afternoon (31 Aug) | 5.5ft (1.7m) | 12s |
| Evening (31 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Tue afternoon, min 10°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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) | SSW 12 | SW 12 | SW 12 | SW 12 | 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 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 802 | 361 | 355 | 389 | 349 | 298 | 380 | 366 | 354 | 439 | 455 | 683 | 862 | 1110 | 1291 | 1465 | 1722 | 1805 | 1831 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | glassy | glassy | glassy | glassy | on | cross-on | on | on | on |
High Tide | 4:31PM1.65m | 4:47AM1.49m | 5:03PM1.61m | 5:22AM1.43m | 5:37PM1.54m | ||||||||||||||
Low Tide | 10:45PM0.08m | 10:48AM0.11m | 11:18PM0.12m | 11:21AM0.18m | |||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 12 | 11 | 10 | 10 | 12 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 14 | 16 | 15 | 13 | 13 |
Feels °C | 8 | 7 | 8 | 8 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 10 | 10 | 13 | 15 | 13 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | SW 12 | SW 12 | SW 12 | 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 14 | SSW 14 |
| kJ | 10 | 361 | 355 | 389 | 349 | 298 | 380 | 366 | 354 | 439 | 455 | 683 | 862 | 1110 | 1291 | 1465 | 1722 | 1805 | 1831 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SSE 10 | S 7 | S 7 | S 7 | S 11 | — | S 10 | S 10 | SSW 14 | — | — | — | — | — | — | — | — |
| kJ | 20 | 10 | 10 | 46 | 44 | 51 | 2 | — | 2 | 2 | 163 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SE 10 | SE 10 | — | — | — | — | SW 14 | S 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 4 | — | — | — | — | 186 | 2 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 12 | S 8 | S 8 | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 802 | 142 | 114 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 318 | 22 | 16 | 16 | 16 | 16 | 22 | 22 | 10 | 16 | 0 | 0 | 0 | 0 | 10 | 10 | 23 | 30 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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