Surf Forecasts:
How big are the waves at Nine Mile Reef today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 2.5ft (0.8m), 12s period with S swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 2.5ft (0.7m), 13s period with SSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 2.5ft (0.7m), 12s period with SW swell.
The current surf forecast for Nine Mile Reef at 3AM is: 0.9m 10s primary swell from a South-southwest direction and 0.5m 12s secondary swell from a South direction (forecast issued at 07:00pm July 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 2.5ft (0.8m) | 12s |
| Afternoon (18 Jul) | 2.5ft (0.7m) | 13s |
| Evening (18 Jul) | 2.5ft (0.7m) | 12s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Very mild (max 19°C on Sat afternoon, min 12°C on Mon morning). Wind will be generally light. | |||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||
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 10 | SSW 10 | SW 9 | S 12 | S 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 12 | SSW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 316 | 225 | 220 | 200 | 123 | 178 | 155 | 158 | 162 | 157 | 380 | 319 | 314 | 268 | 268 | 320 | 453 | 710 | 773 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | glassy | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-on | glassy | glassy | cross-on |
High Tide | 5:37PM1.61m | 5:53AM1.40m | 6:18PM1.54m | 6:36AM1.29m | 7:00PM1.43m | ||||||||||||||
Low Tide | 11:55PM0.16m | 12:00PM0.16m | 00:39AM0.25m | 12:39PM0.27m | |||||||||||||||
 |  | |  | | |  |  | |  | | | | | |  | | | | |
 | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 19 | 18 | 16 | 15 | 14 | 13 | 13 | 15 | 15 | 14 | 14 | 13 |
Feels °C | 17 | 17 | 17 | 17 | 14 | 14 | 15 | 18 | 17 | 15 | 14 | 12 | 11 | 11 | 12 | 14 | 14 | 14 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SSW 10 | SW 9 | S 12 | SW 9 | SW 9 | SW 9 | SW 9 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 12 | SSW 11 |
| kJ | 316 | 225 | 220 | 200 | 123 | 178 | 117 | 119 | 138 | 119 | 380 | 319 | 314 | 268 | 268 | 320 | 453 | 710 | 773 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 13 | S 13 | S 13 | S 12 | SW 9 | S 11 | S 11 | S 11 | SW 12 | S 10 | S 10 | S 11 | S 11 | S 10 | S 10 | SSE 10 | SSE 10 | SSE 10 |
| kJ | 4 | 32 | 55 | 51 | 103 | 101 | 155 | 116 | 116 | 157 | 66 | 106 | 110 | 82 | 54 | 51 | 33 | 18 | 19 |
Swell 3 Height (m) Direction Period (s) | E 11 | — | SW 16 | SW 16 | SSW 15 | SW 15 | SW 14 | SSW 13 | SW 13 | S 11 | SSE 12 | — | W 11 | S 11 | S 10 | SSW 15 | SSE 9 | SE 9 | SE 9 |
| kJ | 2 | — | 11 | 10 | 23 | 54 | 95 | 158 | 162 | 114 | 45 | — | 151 | 112 | 77 | 21 | 8 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | NW 2 | — | — | — | NW 2 | NW 2 | NNW 3 | NNW 3 | NNW 3 | NNW 3 | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 | 3 | 4 | 3 | 1 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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