Surf Forecasts:
How big are the waves at Nine Mile Reef today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 4ft (1.2m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.1m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 2AM is: 1.4m 13s primary swell from a Southwest direction and 1.1m 12s secondary swell from a West-southwest direction, 1.9m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.4m) | 12s |
| Afternoon (17 Sep) | 4ft (1.2m) | 12s |
| Evening (17 Sep) | 3.5ft (1.1m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (strong winds from the SE on Thu afternoon, light winds from the ESE by Sat morning). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 814 | 444 | 613 | 594 | 617 | 587 | 514 | 407 | 400 | 349 | 309 | 298 | 288 | 335 | 288 | 437 | 437 | 431 | 321 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 5:59PM1.28m | 6:21AM1.14m | 6:33PM1.14m | 7:05AM1.02m | 7:25PM1.02m | ||||||||||||||
Low Tide | 00:13AM0.41m | 12:17PM0.51m | 00:51AM0.54m | 12:59PM0.64m | |||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 13 | 13 | 13 | 16 | 17 | 16 | 14 | 13 | 13 | 12 | 12 | 16 | 20 | 18 | 14 | 13 |
Feels °C | 8 | 7 | 6 | 6 | 6 | 6 | 8 | 9 | 7 | 7 | 7 | 7 | 6 | 7 | 9 | 13 | 10 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 618 | 444 | 613 | 594 | 617 | 587 | 514 | 407 | 400 | 349 | 309 | 298 | 288 | 335 | 288 | 437 | 437 | 431 | 321 |
Swell 2 Height (m) Direction Period (s) | SW 13 | WSW 13 | W 13 | WSW 12 | W 12 | W 12 | — | — | — | S 8 | — | — | — | — | SSW 15 | SW 20 | SW 18 | SSW 18 | SW 18 |
| kJ | 814 | 690 | 402 | 398 | 196 | 180 | — | — | — | 74 | — | — | — | — | 121 | 15 | 12 | 31 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | S 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 200 | 355 | 403 | 390 | 286 | 262 | 225 | 233 | 305 | 171 | 161 | 154 | 136 | 120 | 107 | 185 | 256 | 177 | 147 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 197 | 196 | 196 | 198 | 198 | 198 | 198 | 851 | 914 | 83 | 36 | 27 | 16 | 16 | 27 | 30 | 3859 | 36 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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