Surf Forecasts:
How big are the waves at Nine Mile Reef today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 4.5ft (1.3m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 3.5ft (1.1m), 9s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3ft (0.9m), 8s period with SW swell.
The current surf forecast for Nine Mile Reef at 3PM is: 1.1m 9s primary swell from a Southwest direction and 0.2m 9s secondary swell from a South direction (forecast issued at 07:00am July 20). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 4.5ft (1.3m) | 10s |
| Afternoon (20 Jul) | 3.5ft (1.1m) | 9s |
| Evening (20 Jul) | 3ft (0.9m) | 8s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Mon afternoon, min 11°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | |||||||||||||||||||||
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 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 12 | SSW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 369 | 322 | 246 | 206 | 118 | 99 | 206 | 259 | 381 | 1114 | 1396 | 1556 | 1303 | 1198 | 904 | 778 | 667 | 607 | 578 | 568 | 433 | 421 | 359 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | off | glassy | glassy | glassy | glassy | on | on | on | cross-on | glassy | glassy | off | off | cross-off | cross-off | off | off |
High Tide | 7:21AM1.18m | 7:44PM1.32m | 8:12AM1.08m | 8:35PM1.21m | 9:19AM1.01m | 9:42PM1.12m | |||||||||||||||||
Low Tide | 1:19PM0.39m | 2:13AM0.44m | 2:07PM0.51m | 3:13AM0.52m | 3:11PM0.61m | ||||||||||||||||||
 |  | |  | | | | | | | | | | | |  | | | | | | | | |
 | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — |
 | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 14 | 17 | 16 | 15 | 13 | 13 | 12 | 12 | 13 | 15 | 14 | 13 | 12 | 12 | 12 | 11 | 12 | 15 | 14 | 13 | 12 |
Feels °C | 10 | 9 | 11 | 15 | 13 | 14 | 12 | 12 | 11 | 11 | 13 | 13 | 12 | 11 | 10 | 12 | 12 | 9 | 9 | 12 | 11 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 8 | SW 7 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 12 | SSW 11 |
| kJ | 369 | 322 | 246 | 206 | 118 | 98 | 78 | 54 | 381 | 1114 | 1396 | 1556 | 1303 | 1198 | 904 | 778 | 667 | 607 | 578 | 568 | 433 | 421 | 359 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | SSE 9 | S 9 | SSW 10 | SSW 12 | SSW 16 | SSW 16 | SSW 7 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SSW 14 | S 14 | SSW 14 | S 14 | SW 12 |
| kJ | 17 | 8 | 8 | 6 | 72 | 94 | 206 | 259 | 46 | 21 | 21 | 22 | 5 | 5 | 5 | 5 | 5 | 5 | 65 | 106 | 154 | 134 | 77 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SSW 18 | SSW 18 | SSW 17 | SSW 12 | SW 12 | SSW 11 | W 9 | W 9 | W 9 | W 9 | — | — | — | — | — | SE 12 | SE 14 | SE 14 | SE 14 | SE 14 |
| kJ | 4 | 14 | 3 | 33 | 62 | 99 | 56 | 68 | 76 | 39 | 25 | 14 | 14 | — | — | — | — | — | 5 | 8 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | NNW 3 | NNW 3 | WNW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 2 | NW 3 | NW 3 |
| kJ | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 29 | 21 | 16 | 16 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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