Surf Forecasts:
How big are the waves at Danger Reef today (20 Sep):
- Afternoon surf: Afternoon surf (20 Sep, local time) - 5ft (1.6m), 13s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 4.5ft (1.4m), 12s period with SW swell.
The current surf forecast for Danger Reef at 11PM is: 1.4m 12s primary swell from a Southwest direction and 1.4m 6s secondary swell from a Southeast direction (forecast issued at 07:00pm September 20). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | - | - |
| Afternoon (20 Sep) | 5ft (1.6m) | 13s |
| Evening (20 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue morning. Warm (max 25°C on Tue morning, min 15°C on Sun night). Winds increasing (light winds from the ESE on Mon night, strong winds from the SSE by Wed afternoon). | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SSW 14 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 734 | 629 | 558 | 479 | 373 | 367 | 361 | 309 | 255 | 241 | 198 | 133 | 194 | 299 | 418 | 361 | 309 | 349 | 329 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | cross | cross | off | cross-off | cross | cross-on | cross-on |
High Tide | 11:39PM0.99m | 12:27PM1.07m | 00:35AM1.10m | 1:03PM1.21m | |||||||||||||||
Low Tide | 5:46PM0.68m | 6:12AM0.56m | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | ||||||||||||||
 |  | | | | | | | | | | |  | |  |  | | | | |
 | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | 6:39 | — | — | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 19 | 18 | 18 | 16 | 15 | 16 | 19 | 24 | 24 | 23 | 22 | 21 | 22 | 23 | 25 | 25 | 21 | 18 | 16 |
Feels °C | 16 | 15 | 15 | 13 | 12 | 13 | 16 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 25 | 24 | 22 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 11 |
| kJ | 734 | 629 | 558 | 479 | 373 | 367 | 361 | 309 | 255 | 241 | 198 | 117 | 194 | 299 | 418 | 361 | 309 | 349 | 329 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 15 | SSW 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 8 | S 14 |
| kJ | — | — | — | — | — | — | 45 | 44 | 57 | 106 | 138 | 133 | 43 | 28 | 16 | 11 | 11 | 9 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SSW 11 | SW 14 | WSW 11 | WSW 11 | WSW 11 | S 16 | S 15 | S 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 85 | 147 | 66 | 128 | 88 | 5 | 4 | 14 |
Wind waves Height (m) Direction Period (s) | SE 5 | SE 6 | SE 6 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | — | — | — | — | — | — |
| kJ | 85 | 124 | 120 | 111 | 140 | 110 | 110 | 120 | 129 | 132 | 90 | 69 | 118 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 10 | 25 | 23 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 0 | 0 | 1 | 10 | 10 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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