Surf Forecasts:
How big are the waves at Nine Mile Reef today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 2.5ft (0.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 2.5ft (0.7m), 12s period with SW swell.
- Evening surf: Evening surf (31 Jul, local time) - 3.5ft (1.0m), 9s period with SE swell.
The current surf forecast for Nine Mile Reef at 2AM is: 0.9m 13s primary swell from a Southwest direction and 0.5m 6s secondary swell from a Southeast direction, 1.2m 6s secondary swell from a East-southeast direction (forecast issued at 07:00pm July 30). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 2.5ft (0.8m) | 12s |
| Afternoon (31 Jul) | 2.5ft (0.7m) | 12s |
| Evening (31 Jul) | 3.5ft (1.0m) | 9s |
Table - waves today at Nine Mile Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 16°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SE 9 | SW 11 | SW 11 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 351 | 299 | 304 | 249 | 238 | 184 | 175 | 172 | 116 | 152 | 104 | 104 | 106 | 110 | 198 | 192 | 163 | 161 | 163 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-off | cross-off | cross | glassy | glassy | on | glassy | cross-off | cross-off | cross-off | glassy | cross-off | glassy | on | on | glassy | glassy |
High Tide | 4:03PM1.50m | 4:09AM1.45m | 4:33PM1.54m | 4:40AM1.44m | 5:02PM1.55m | ||||||||||||||
Low Tide | 10:11PM0.22m | 10:19AM0.12m | 10:42PM0.20m | 10:47AM0.13m | |||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:39 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — |
 | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 16 | 16 | 17 | 17 | 19 | 21 | 21 | 20 | 19 | 19 | 18 | 19 | 21 | 23 | 21 | 20 | 20 |
Feels °C | 16 | 15 | 14 | 14 | 14 | 14 | 17 | 18 | 19 | 18 | 16 | 16 | 15 | 16 | 18 | 20 | 18 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | 351 | 299 | 304 | 249 | 238 | 184 | 175 | 172 | 116 | 110 | 104 | 104 | 106 | 110 | 198 | 192 | 163 | 161 | 163 |
Swell 2 Height (m) Direction Period (s) | — | — | SE 5 | SE 6 | SE 6 | SE 8 | SE 8 | SW 18 | SW 18 | SE 5 | SE 9 | SW 16 | SE 10 | SW 15 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 |
| kJ | — | — | 17 | 15 | 11 | 20 | 15 | 12 | 12 | 7 | 20 | 64 | 23 | 34 | 24 | 25 | 18 | 30 | 18 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 19 | — | SE 9 | WSW 16 | SW 16 | SE 5 | SW 15 | SE 10 | — | S 18 | — | SW 16 | S 10 |
| kJ | — | — | — | — | — | — | 7 | — | 3 | 27 | 40 | 6 | 57 | 24 | — | 6 | — | 10 | 8 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 5 | ESE 6 | ESE 6 | ESE 7 | ESE 8 | ESE 8 | SE 5 | SE 5 | SE 9 | — | — | — | — | — | — | — | — | — |
| kJ | 9 | 20 | 111 | 113 | 108 | 98 | 101 | 7 | 7 | 152 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 12 | 0 | 0 | 12 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 16 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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