Surf Forecasts:
How big are the waves at Nine Mile Reef today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 3.5ft (1.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 4ft (1.2m), 11s period with SW swell.
- Evening surf: Evening surf (20 Oct, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 4AM is: 1.2m 11s primary swell from a Southwest direction and 0.1m 8s secondary swell from a East direction (forecast issued at 07:00pm October 19). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 3.5ft (1.1m) | 11s |
| Afternoon (20 Oct) | 4ft (1.2m) | 11s |
| Evening (20 Oct) | 5ft (1.6m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Very mild (max 19°C on Wed afternoon, min 12°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the N by Tue night). | |||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||
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 12 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 488 | 426 | 360 | 354 | 354 | 278 | 308 | 341 | 447 | 614 | 772 | 910 | 1169 | 1341 | 1125 | 869 | 2131 | 773 | 644 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | glassy | glassy | glassy | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:37PM0.97m | 11:25AM1.10m | 11:46PM1.07m | 12:10PM1.23m | |||||||||||||||
Low Tide | 4:43PM0.68m | 4:59AM0.59m | 5:53PM0.57m | 5:55AM0.50m | 6:33PM0.44m | ||||||||||||||
 |  |  | | | |  |  | | | |  | |  | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 2 | 1 | — | — | — |
Temp °C | 16 | 15 | 14 | 13 | 12 | 13 | 17 | 17 | 15 | 14 | 14 | 14 | 13 | 14 | 16 | 19 | 18 | 17 | 16 |
Feels °C | 13 | 12 | 13 | 12 | 11 | 11 | 13 | 11 | 11 | 8 | 7 | 8 | 8 | 10 | 14 | 15 | 15 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 488 | 426 | 360 | 354 | 354 | 278 | 308 | 341 | 447 | 614 | 772 | 910 | 1169 | 1341 | 1125 | 869 | 928 | 773 | 644 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | W 11 | SE 10 |
| kJ | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 329 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 3 | WNW 4 | NW 4 | NNW 4 | NNW 5 | NNW 4 | NNW 4 | NW 4 | WNW 4 | WSW 12 | — | NW 3 |
| kJ | — | — | — | — | — | — | — | 5 | 16 | 27 | 34 | 61 | 46 | 24 | 9 | 15 | 2131 | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 10 | 10 | 0 | 0 | 0 | 0 | 10 | 18 | 18 | 196 | 249 | 249 | 249 | 18 | 18 | 18 | 18 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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