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) - 5.5ft (1.7m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 12AM is: 1.7m 12s primary swell from a Southwest direction (forecast issued at 07:00pm October 20). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be 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) | 5.5ft (1.7m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed morning. Warm (max 21°C on Fri afternoon, min 13°C on Tue night). Winds decreasing (fresh winds from the N on Tue night, calm by Fri morning). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
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) | SSW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 418 | 614 | 760 | 910 | 1169 | 1341 | 1125 | 954 | 800 | 723 | 644 | 563 | 515 | 606 | 553 | 544 | 497 | 544 | 563 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross | cross | cross-on | on | cross-on |
High Tide | 11:46PM1.07m | 12:10PM1.23m | 00:30AM1.19m | 12:45PM1.36m | |||||||||||||||
Low Tide | 5:53PM0.57m | 5:55AM0.50m | 6:33PM0.44m | 6:34AM0.39m | 7:06PM0.30m | ||||||||||||||
 |  | |  | |  | | | | | | |  |  |  | |  |  | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — |
mm | — | — | — | 1 | 1 | 1 | 2 | 1 | — | 1 | 1 | — | 1 | 1 | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 19 | 18 | 16 | 15 | 15 | 15 | 15 | 17 | 17 | 16 | 15 | 14 |
Feels °C | 10 | 9 | 7 | 7 | 7 | 7 | 11 | 15 | 13 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | 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 |
| kJ | 418 | 614 | 760 | 910 | 1169 | 1341 | 1125 | 954 | 800 | 723 | 644 | 563 | 515 | 606 | 553 | 544 | 497 | 544 | 563 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 11 | W 11 | SE 9 | SE 9 | E 9 | E 10 | E 10 | W 11 | W 11 | W 11 |
| kJ | — | — | — | — | — | — | — | — | — | 502 | 282 | 3 | 3 | 2 | 2 | 2 | 387 | 329 | 277 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | E 10 | SE 10 | — | — | — | — | — | SE 10 | SE 10 | SE 10 |
| kJ | — | — | — | — | — | — | — | — | — | 2 | 4 | — | — | — | — | — | 4 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | W 4 | NW 4 | NW 4 | NNW 4 | NNW 4 | NNW 4 | NW 4 | WNW 4 | W 4 | W 12 | NW 3 | WNW 3 | WNW 3 | W 11 | W 11 | W 11 | — | — | — |
| kJ | 36 | 21 | 40 | 50 | 46 | 46 | 22 | 16 | 16 | 752 | 2 | 4 | 4 | 496 | 448 | 387 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 18 | 0 | 214 | 214 | 256 | 257 | 0 | 18 | 18 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 29 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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