Surf Forecasts:
How big are the waves at Danger Reef today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 5.5ft (1.7m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 5ft (1.6m), 11s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 5ft (1.5m), 11s period with SW swell.
The current surf forecast for Danger Reef at 7AM is: 1.9m 12s primary swell from a Southwest direction and 0.9m 4s secondary swell from a Southeast direction (forecast issued at 01:00am August 21). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 5.5ft (1.7m) | 11s |
| Afternoon (21 Aug) | 5ft (1.6m) | 11s |
| Evening (21 Aug) | 5ft (1.5m) | 11s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Fri afternoon, min 12°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 | SSW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | SW 11 | SSW 11 | S 10 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1202 | 1119 | 866 | 701 | 579 | 323 | 515 | 661 | 245 | 386 | 399 | 429 | 422 | 652 | 918 | 901 | 907 | 826 | 1367 | 1285 | 1265 | 1131 | 1059 | 944 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross | off | cross-off | off | off | off | off | glassy | cross-on | on | on | on | cross-on | cross-on | on | cross-on |
High Tide | 9:44AM0.92m | 10:23PM0.98m | 11:54AM0.96m | 00:06AM1.03m | 12:59PM1.06m | |||||||||||||||||||
Low Tide | 3:16AM0.62m | 3:47PM0.71m | 5:32AM0.62m | 6:06PM0.66m | 6:46AM0.52m | 7:07PM0.56m | ||||||||||||||||||
 | |  | | | |  | | |  | | | | | | | | | | | | | | | |
 | — | 7:18 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 13 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 13 |
Feels °C | 9 | 8 | 9 | 10 | 13 | 13 | 14 | 12 | 13 | 12 | 11 | 12 | 13 | 14 | 15 | 16 | 14 | 13 | 11 | 12 | 12 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SSW 12 | SW 11 | SW 11 | SW 11 | SSW 11 | SW 11 | SSW 11 | S 10 | SSW 10 | SSW 12 | SSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 |
| kJ | 1202 | 1119 | 866 | 701 | 579 | 323 | 515 | 661 | 245 | 386 | 399 | 429 | 422 | 652 | 918 | 901 | 907 | 826 | 1367 | 1285 | 1265 | 1131 | 1059 | 944 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SSW 11 | WSW 10 | SSW 10 | WSW 11 | SW 11 | SSW 14 | WSW 10 | WSW 10 | WSW 10 | SW 17 | SW 16 | SW 15 | WSW 14 | SW 14 | SSW 12 | — | — | — | SSW 11 | SSW 12 |
| kJ | — | — | — | — | 372 | 189 | 304 | 366 | 233 | 121 | 127 | 94 | 95 | 11 | 40 | 109 | 264 | 424 | 96 | — | — | — | 286 | 509 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SSW 13 | SW 11 | ESE 4 | — | W 17 | — | — | — | WSW 11 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 99 | 31 | 1 | — | 6 | — | — | — | 47 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | SE 4 | SE 4 | SE 5 | SSE 5 | SSE 5 | SSE 5 | SE 5 | — | — | NW 2 | NNW 2 | NW 2 | NW 2 | — | — | — | — | SSE 2 | — | S 3 | S 3 | — | — |
| kJ | 6 | 14 | 26 | 41 | 39 | 55 | 64 | 33 | — | — | 1 | 1 | 1 | 1 | — | — | — | — | 1 | — | 5 | 6 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 10 | 10 | 10 | 10 | 10 | 12 | 10 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 10 | 10 | 10 | 10 | 12 | 10 | 10 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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