Surf Forecasts:
How big are the waves at Danger Reef today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 7ft (2.1m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 8ft (2.5m), 12s period with SW swell.
The current surf forecast for Danger Reef at 10AM is: 2.1m 12s primary swell from a Southwest direction and 1.8m 13s secondary swell from a Southwest direction (forecast issued at 01:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 7ft (2.1m) | 12s |
| Afternoon (18 Aug) | 7.5ft (2.3m) | 13s |
| Evening (18 Aug) | 8ft (2.5m) | 12s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Tue morning, min 12°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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) | WSW 13 | SW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1329 | 1174 | 1426 | 1462 | 1751 | 2000 | 2023 | 1978 | 1830 | 1710 | 1476 | 1476 | 1381 | 1189 | 1209 | 1150 | 1486 | 2528 | 2955 | 2561 | 2239 | 1826 | 1707 | 1112 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | on | on |
High Tide | 6:31AM1.21m | 6:47PM1.29m | 7:10AM1.10m | 7:27PM1.16m | 8:03AM0.99m | 8:29PM1.04m | ||||||||||||||||||
Low Tide | 00:31AM0.30m | 12:29PM0.38m | 1:07AM0.42m | 1:04PM0.50m | 1:53AM0.54m | 1:54PM0.62m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | |  | | | | | | |
 | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 12 |
Feels °C | 14 | 13 | 13 | 12 | 11 | 10 | 8 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 13 | 13 | 14 | 12 | 11 | 11 | 11 | 8 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 13 | SW 13 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SSW 12 | SW 12 |
| kJ | 1329 | 1174 | 1426 | 1462 | 1751 | 2000 | 2023 | 1978 | 1830 | 1710 | 1476 | 1476 | 1381 | 1189 | 1209 | 1150 | 1486 | 2528 | 2955 | 2561 | 2239 | 1826 | 1707 | 1112 |
Swell 2 Height (m) Direction Period (s) | SW 14 | WSW 13 | E 11 | SW 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 304 | 69 | 2 | 1018 | 334 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | E 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 4 | SE 3 | SE 4 | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | — | SE 5 |
| kJ | — | — | — | — | — | — | — | 8 | 3 | 15 | — | — | — | — | — | — | — | — | — | — | — | 16 | — | 71 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 10 | 10 | 10 | 12 | 17 | 36 | 23 | 16 | 17 | 10 | 12 | 10 | 10 | 0 | 0 | 0 | 11 | 11 | 12 | 17 | 337 | 23 | 23 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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