Surf Forecasts:
How big are the waves at Nine Mile Reef today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 7ft (2.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 6ft (1.8m), 12s period with SW swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 5PM is: 1.7m 12s primary swell from a Southwest direction (forecast issued at 01:00pm October 21). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 7ft (2.1m) | 12s |
| Afternoon (21 Oct) | 6ft (1.8m) | 12s |
| Evening (21 Oct) | 5ft (1.6m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 22°C on Fri afternoon, min 13°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||||
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 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1125 | 954 | 800 | 723 | 583 | 563 | 617 | 553 | 553 | 544 | 553 | 544 | 563 | 698 | 819 | 939 | 907 | 731 | 631 | 550 | 452 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | on | cross-on | cross-on | cross-on | glassy | glassy | on | on | on | on |
High Tide | 12:10PM1.23m | 00:30AM1.19m | 12:45PM1.36m | 1:07AM1.30m | 1:18PM1.49m | ||||||||||||||||
Low Tide | 6:33PM0.44m | 6:34AM0.39m | 7:06PM0.30m | 7:09AM0.29m | 7:39PM0.16m | ||||||||||||||||
 | |  |  |  | |  |  |  | |  |  | |  | | | | | | | | |
 | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | 2 | 1 | — | — | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 19 | 18 | 16 | 16 | 15 | 15 | 16 | 17 | 18 | 17 | 15 | 14 | 13 | 13 | 14 | 19 | 22 | 20 | 17 | 17 |
Feels °C | 13 | 15 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 11 | 12 | 13 | 18 | 19 | 18 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 11 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 1125 | 954 | 800 | 723 | 583 | 563 | 617 | 553 | 553 | 544 | 553 | 544 | 563 | 698 | 819 | 939 | 907 | 731 | 631 | 550 | 452 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 11 | W 11 | SE 10 | SE 9 | SE 9 | SE 10 | E 10 | W 11 | W 11 | W 11 | SSW 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 |
| kJ | — | — | — | 502 | 282 | 4 | 3 | 3 | 4 | 2 | 387 | 277 | 188 | 438 | 138 | 131 | 96 | 69 | 66 | 62 | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 10 | SE 10 | — | — | — | — | E 10 | SE 10 | SE 10 | SE 10 | W 11 | SW 12 | SE 11 | SE 10 | SE 10 | W 16 | W 16 | W 16 |
| kJ | — | — | — | 2 | 4 | — | — | — | — | 2 | 4 | 4 | 4 | 178 | 175 | 4 | 4 | 4 | 5 | 5 | 19 |
Wind waves Height (m) Direction Period (s) | NW 4 | WNW 4 | WNW 4 | — | NW 3 | NW 3 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 16 | 17 | — | 2 | 3 | 475 | 442 | 448 | 387 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 18 | 18 | 18 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 16 | 16 | 12 | 0 | 0 | 10 | 10 | 19 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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