Surf Forecasts:
How big are the waves at Danger Reef today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 8ft (2.5m), 13s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 7.5ft (2.3m), 12s period with SW swell.
The current surf forecast for Danger Reef at 6AM is: 3.0m 13s primary swell from a Southwest direction (forecast issued at 01:00am August 20). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 10ft (3.0m) | 13s |
| Afternoon (20 Aug) | 8ft (2.5m) | 13s |
| Evening (20 Aug) | 7.5ft (2.3m) | 12s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||||||||||
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 | 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 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | S 10 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 12 | SW 11 | SW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1593 | 2723 | 3045 | 2795 | 2274 | 1915 | 1626 | 1392 | 1202 | 928 | 739 | 701 | 838 | 302 | 515 | 515 | 245 | 386 | 491 | 436 | 431 | 533 | 713 | 807 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | off | cross-off | cross-off | cross-off | cross-on |
High Tide | 8:03AM0.99m | 8:29PM1.04m | 9:44AM0.92m | 10:23PM0.98m | 11:54AM0.96m | |||||||||||||||||||
Low Tide | 1:53AM0.54m | 1:54PM0.62m | 3:16AM0.62m | 3:47PM0.71m | 5:32AM0.62m | 6:06PM0.66m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | | | | |  | | | | |
 | — | 7:20 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 13 | 16 | 16 | 14 | 14 | 14 | 13 | 13 | 15 | 17 | 17 | 16 | 15 |
Feels °C | 13 | 12 | 12 | 11 | 11 | 10 | 9 | 9 | 10 | 8 | 8 | 9 | 13 | 13 | 12 | 12 | 13 | 13 | 11 | 13 | 15 | 16 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 11 | SSW 11 | SW 11 | SW 11 | S 10 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 12 | SW 11 | SW 11 |
| kJ | 1593 | 2723 | 3045 | 2795 | 2274 | 1915 | 1626 | 1392 | 1202 | 928 | 739 | 701 | 838 | 302 | 515 | 515 | 245 | 386 | 491 | 436 | 431 | 533 | 713 | 807 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSW 11 | SW 11 | SSW 10 | WSW 11 | SW 11 | SSW 14 | WSW 10 | WSW 10 | W 18 | SW 17 | SW 16 | SW 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 372 | 273 | 352 | 366 | 233 | 123 | 121 | 85 | 6 | 11 | 66 | 109 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NE 5 | — | — | — | SSW 13 | SW 11 | — | — | W 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 101 | 31 | — | — | 6 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | ESE 3 | SE 3 | SE 4 | SE 4 | SE 5 | SE 5 | SSE 5 | SSE 5 | SSE 5 | — | — | — | — | NNW 2 | — | — | — |
| kJ | — | — | — | — | — | — | — | 6 | 2 | 18 | 38 | 56 | 51 | 74 | 75 | 55 | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 11 | 11 | 11 | 17 | 12 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 36 | 12 | 10 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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