Surf Forecasts:
How big are the waves at Nine Mile Reef today (11 Sep):
- Afternoon surf: Afternoon surf (11 Sep, local time) - 6.5ft (2.0m), 7s period with SSE swell.
- Evening surf: Evening surf (11 Sep, local time) - 6ft (1.8m), 7s period with SSE swell.
The current surf forecast for Nine Mile Reef at 11PM is: 1.8m 7s primary swell from a South-southeast direction and 0.8m 11s secondary swell from a Southwest direction, 0.2m 15s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 11). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | - | - |
| Afternoon (11 Sep) | 6.5ft (2.0m) | 7s |
| Evening (11 Sep) | 6ft (1.8m) | 7s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sun night. Warm (max 21°C on Sun afternoon, min 15°C on Fri night). Winds increasing (light winds from the SE on Sun afternoon, fresh winds from the NNW by Mon morning). | |||||||||||||||||||
Fri 11 | Saturday 12 | Sunday 13 | |||||||||||||||||
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) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SW 14 | SW 14 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SE 9 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 384 | 297 | 297 | 269 | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1479 | 1147 | 987 | 1023 | 691 | 653 | 493 | 412 | 362 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross | off |
High Tide | 3:26PM1.71m | 3:44AM1.57m | 3:58PM1.70m | 4:16AM1.53m | 4:29PM1.64m | ||||||||||||||
Low Tide | 9:43PM-0.01m | 9:48AM0.03m | 10:15PM0.02m | 10:19AM0.08m | 10:45PM0.08m | ||||||||||||||
 |  | | | |  | | |  | | | | | | | | | |  | |
 | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 18 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 16 | 15 | 16 | 19 | 21 | 21 | 18 | 17 |
Feels °C | 14 | 12 | 12 | 12 | 14 | 13 | 14 | 13 | 11 | 11 | 12 | 14 | 12 | 14 | 18 | 20 | 20 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 15 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSE 8 |
| kJ | 228 | 183 | 177 | 153 | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1479 | 1147 | 987 | 869 | 691 | 653 | 493 | 412 | 130 |
Swell 2 Height (m) Direction Period (s) | — | SW 14 | SSW 15 | SSW 15 | W 12 | — | — | — | S 9 | — | — | — | — | SSE 8 | — | — | — | — | SSW 13 |
| kJ | — | 74 | 22 | 85 | 130 | — | — | — | 25 | — | — | — | — | 213 | — | — | — | — | 362 |
Swell 3 Height (m) Direction Period (s) | — | — | SW 15 | SSW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 75 | 78 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SSE 8 | SSE 8 | SE 7 | SE 7 | — |
| kJ | 384 | 297 | 297 | 269 | 192 | 178 | 195 | 287 | 321 | 285 | 246 | 218 | 204 | 1023 | 192 | 187 | 233 | 189 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 380 | 36 | 31 | 31 | 22 | 21 | 31 | 318 | 318 | 30 | 26 | 16 | 16 | 16 | 16 | 16 | 22 | 12 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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