Surf Forecasts:
How big are the waves at Danger Reef today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 6ft (1.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
The current surf forecast for Danger Reef at 12AM is: 1.9m 13s primary swell from a Southwest direction and 0.7m 13s secondary swell from a West-southwest direction, 2.2m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm September 16). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6ft (1.8m) | 12s |
| Afternoon (17 Sep) | 5ft (1.6m) | 12s |
| Evening (17 Sep) | 5ft (1.6m) | 12s |
Table - waves today at Danger Reef. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Sat afternoon, min 12°C on Fri morning). Winds decreasing (strong winds from the SE on Thu afternoon, moderate winds from the SE by Sat morning). | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1129 | 1144 | 1120 | 1259 | 1163 | 970 | 869 | 800 | 661 | 650 | 528 | 510 | 544 | 544 | 445 | 553 | 663 | 653 | 643 |
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 |
High Tide | 5:59PM1.27m | 6:22AM1.13m | 6:34PM1.13m | 7:06AM1.01m | 7:26PM1.01m | ||||||||||||||
Low Tide | 00:14AM0.41m | 12:18PM0.50m | 00:52AM0.53m | 1:00PM0.63m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 15 | 18 | 17 | 14 | 13 |
Feels °C | 7 | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 5 | 5 | 6 | 5 | 5 | 5 | 7 | 9 | 7 | 6 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 |
| kJ | 1129 | 1144 | 1120 | 1259 | 1163 | 970 | 869 | 800 | 661 | 650 | 528 | 510 | 544 | 544 | 445 | 553 | 663 | 653 | 643 |
Swell 2 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | W 13 | W 12 | W 12 | — | — | — | S 8 | — | — | — | — | SSW 15 | W 20 | WSW 18 | SW 18 | SW 18 |
| kJ | 187 | 176 | 173 | 408 | 247 | 184 | — | — | — | 74 | — | — | — | — | 144 | 7 | 31 | 49 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 20 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 6 | SSE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 |
| kJ | 244 | 395 | 491 | 437 | 403 | 361 | 380 | 357 | 480 | 379 | 307 | 317 | 297 | 275 | 295 | 390 | 511 | 494 | 423 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 200 | 199 | 199 | 201 | 201 | 201 | 201 | 870 | 934 | 96 | 36 | 26 | 24 | 23 | 26 | 30 | 3878 | 36 | 16 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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