Surf Forecasts:
How big are the waves at Nine Mile Reef today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 4ft (1.2m), 15s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 5.5ft (1.7m), 17s period with SSW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 16s period with SSW swell.
The current surf forecast for Nine Mile Reef at 3PM is: 1.7m 17s primary swell from a South-southwest direction and 1.6m 6s secondary swell from a Southeast direction (forecast issued at 07:00am September 12). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 4ft (1.2m) | 15s |
| Afternoon (12 Sep) | 5.5ft (1.7m) | 17s |
| Evening (12 Sep) | 5.5ft (1.7m) | 16s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Warm (max 21°C on Sun afternoon, min 15°C on Mon morning). Winds increasing (calm on Sun night, fresh winds from the NW by Mon afternoon). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 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 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1460 | 1222 | 987 | 1058 | 691 | 653 | 493 | 412 | 362 | 295 | 286 | 227 | 190 | 180 | 140 | 140 | 108 |
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 | cross | cross | cross | cross-on | cross-on | on | glassy | off | off | off | off | off | cross-off | cross-off | off | off |
High Tide | 3:44AM1.57m | 3:58PM1.70m | 4:16AM1.53m | 4:29PM1.64m | 4:47AM1.46m | 4:59PM1.54m | |||||||||||||||||
Low Tide | 9:48AM0.03m | 10:15PM0.02m | 10:19AM0.08m | 10:45PM0.08m | 10:48AM0.16m | ||||||||||||||||||
 |  | | |  |  | | | | | | | |  | | | |  | | | | | | |
 | 6:48 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | — | 6:34 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | — | 2 | 2 | — | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 19 | 21 | 20 | 18 | 17 | 16 | 16 | 15 | 17 | 19 | 18 | 17 | 15 |
Feels °C | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 18 | 20 | 20 | 19 | 17 | 15 | 14 | 13 | 13 | 12 | 12 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 407 | 614 | 805 | 1336 | 1714 | 1536 | 1460 | 1222 | 987 | 869 | 691 | 653 | 493 | 412 | 120 | 295 | 286 | 227 | 190 | 180 | 140 | 140 | 108 |
Swell 2 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | — | — | SSE 8 | — | SSE 12 | SSE 12 | — | SSW 13 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 13 | SE 13 | W 7 |
| kJ | 130 | — | — | — | — | — | — | — | — | 219 | — | 14 | 15 | — | 362 | 66 | 44 | 32 | 12 | 12 | 27 | 26 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 13 | SSE 13 | SSE 13 | SE 13 | — | SE 13 | SE 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 16 | 16 | 7 | — | 27 | 7 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SSE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SSE 8 | SSE 8 | SE 7 | SE 7 | — | NNW 3 | NNW 3 | NW 3 | NW 4 | NW 4 | NW 5 | NW 5 | NNW 4 |
| kJ | 222 | 193 | 195 | 209 | 203 | 233 | 212 | 237 | 229 | 1058 | 208 | 193 | 229 | 188 | — | 1 | 3 | 6 | 24 | 34 | 60 | 74 | 42 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 21 | 31 | 318 | 318 | 31 | 26 | 16 | 16 | 12 | 16 | 16 | 16 | 0 | 0 | 0 | 0 | 0 | 43 | 160 | 206 | 52 | 60 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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