Surf Forecasts:
How big are the waves at Danger Reef today (20 Jul):
- 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) - 2.5ft (0.8m), 12s period with SW swell.
The current surf forecast for Danger Reef at 11PM is: 0.7m 16s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a Southwest direction (forecast issued at 07:00pm July 20). 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) | - | - |
| Afternoon (20 Jul) | 3.5ft (1.1m) | 9s |
| Evening (20 Jul) | 2.5ft (0.8m) | 12s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Mon night, min 11°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 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) | SW 8 | SW 12 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 135 | 172 | 232 | 314 | 711 | 1427 | 2037 | 2226 | 1961 | 1750 | 1583 | 1311 | 1083 | 1065 | 976 | 925 | 1034 | 736 | 587 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross | glassy | off | off | off | off | off | cross-off |
High Tide | 7:44PM1.31m | 8:13AM1.07m | 8:35PM1.19m | 9:19AM1.00m | 9:42PM1.11m | ||||||||||||||
Low Tide | 2:13AM0.43m | 2:07PM0.50m | 3:13AM0.51m | 3:12PM0.60m | |||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 13 |
Feels °C | 12 | 13 | 13 | 13 | 12 | 13 | 14 | 14 | 12 | 12 | 11 | 12 | 12 | 10 | 11 | 11 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 7 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 12 | SW 12 |
| kJ | 135 | 93 | 94 | 77 | 711 | 1427 | 2037 | 2226 | 1961 | 1750 | 1583 | 1311 | 1083 | 1065 | 976 | 925 | 1034 | 736 | 587 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 12 | SSW 16 | SSW 16 | SW 7 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 14 | SSW 13 |
| kJ | 99 | 172 | 232 | 314 | 75 | 42 | 43 | 31 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 5 | 105 | 361 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | W 9 | SW 12 | SW 12 | W 9 | W 9 | WNW 9 | W 9 | W 9 | — | — | — | — | — | S 15 | SE 14 | SE 14 | SE 14 | SE 14 |
| kJ | 61 | 64 | 92 | 178 | 25 | 25 | 26 | 14 | 14 | — | — | — | — | — | 4 | 8 | 8 | 8 | 7 |
Wind waves Height (m) Direction Period (s) | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | WNW 3 | NW 3 | NNW 4 |
| kJ | 90 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 8 | 6 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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