Surf Forecasts:
How big are the waves at Danger Reef today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 5ft (1.5m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 5ft (1.5m), 12s period with SW swell.
- Evening surf: Evening surf (18 Sep, local time) - 4.5ft (1.4m), 13s period with SW swell.
The current surf forecast for Danger Reef at 7AM is: 1.5m 11s primary swell from a Southwest direction and 1.8m 6s secondary swell from a Southeast direction (forecast issued at 01:00am September 18). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 5ft (1.5m) | 11s |
| Afternoon (18 Sep) | 5ft (1.5m) | 12s |
| Evening (18 Sep) | 4.5ft (1.4m) | 13s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Sun afternoon, min 12°C on Fri morning). Winds decreasing (strong winds from the SE on Fri afternoon, light winds from the SE by Sun morning). | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 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) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SE 6 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 563 | 544 | 544 | 445 | 553 | 663 | 653 | 633 | 488 | 473 | 465 | 367 | 297 | 736 | 1048 | 1270 | 1233 | 1190 | 984 | 905 | 744 | 659 | 585 | 494 |
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 | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 7:06AM1.01m | 7:26PM1.01m | 8:42AM0.91m | 9:33PM0.93m | 11:21AM0.95m | |||||||||||||||||||
Low Tide | 00:52AM0.53m | 1:00PM0.63m | 1:59AM0.64m | 2:49PM0.73m | 4:46AM0.66m | 5:46PM0.68m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 14 | 17 | 17 | 15 | 13 | 12 | 12 | 12 | 15 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 19 | 22 | 20 | 19 | 18 |
Feels °C | 4 | 5 | 5 | 5 | 8 | 8 | 9 | 8 | 9 | 8 | 8 | 11 | 14 | 11 | 10 | 10 | 11 | 12 | 12 | 17 | 19 | 17 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 |
| kJ | 563 | 544 | 544 | 445 | 553 | 663 | 653 | 633 | 488 | 473 | 465 | 367 | 250 | 736 | 1048 | 1270 | 1233 | 1190 | 984 | 905 | 744 | 659 | 585 | 494 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 15 | — | WSW 18 | SW 18 | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 144 | — | 31 | 49 | 12 | 66 | 91 | 10 | 136 | 297 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 |
| kJ | 239 | 228 | 236 | 295 | 377 | 543 | 464 | 331 | 219 | 206 | 224 | 236 | 278 | 390 | 439 | 295 | 239 | 203 | 141 | 124 | 161 | 301 | 341 | 210 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 16 | 23 | 26 | 30 | 26 | 16 | 16 | 10 | 10 | 10 | 10 | 10 | 23 | 23 | 23 | 16 | 10 | 10 | 10 | 10 | 26 | 23 | 16 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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