Surf Forecasts:
How big are the waves at Nine Mile Reef today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3.5ft (1.0m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 7ft (2.1m), 7s period with SSE swell.
- Evening surf: Evening surf (11 Sep, local time) - 6ft (1.9m), 7s period with SSE swell.
The current surf forecast for Nine Mile Reef at 2AM is: 1.1m 13s primary swell from a Southwest direction and 1.1m 5s secondary swell from a South direction (forecast issued at 07:00pm September 10). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3.5ft (1.0m) | 12s |
| Afternoon (11 Sep) | 7ft (2.1m) | 7s |
| Evening (11 Sep) | 6ft (1.9m) | 7s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sun afternoon, min 15°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||
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 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SW 14 | SW 14 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 647 | 609 | 488 | 418 | 305 | 286 | 286 | 385 | 401 | 367 | 297 | 216 | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1460 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:52PM1.67m | 3:10AM1.57m | 3:26PM1.71m | 3:44AM1.57m | 3:58PM1.70m | ||||||||||||||
Low Tide | 9:09PM0.02m | 9:16AM0.02m | 9:43PM-0.01m | 9:48AM0.03m | 10:15PM0.02m | ||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 18 | 17 | 15 | 15 | 15 | 15 | 15 | 18 | 19 | 19 | 16 | 16 |
Feels °C | 13 | 14 | 12 | 12 | 12 | 12 | 12 | 14 | 13 | 12 | 12 | 13 | 13 | 13 | 14 | 16 | 15 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 |
| kJ | 647 | 609 | 488 | 418 | 305 | 286 | 277 | 236 | 193 | 183 | 177 | 153 | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1460 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 7 | — | — | — | — | SW 14 | SSW 15 | SSW 15 | WSW 12 | S 8 | S 8 | — | — | — | — |
| kJ | — | — | — | — | 136 | — | — | — | — | 74 | 22 | 85 | 147 | 5 | 51 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 15 | SSW 10 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 75 | 77 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | S 3 | S 5 | S 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 |
| kJ | — | — | 8 | 64 | 202 | 268 | 286 | 385 | 401 | 367 | 297 | 216 | 180 | 153 | 178 | 330 | 416 | 519 | 362 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 32 | 34 | 83 | 36 | 36 | 31 | 31 | 380 | 380 | 36 | 36 | 22 | 22 | 21 | 31 | 21 | 27 | 27 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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