Surf Forecasts:
How big are the waves at Dias Beach today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7.5ft (2.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.1m), 12s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 6ft (1.9m), 12s period with SW swell.
The current surf forecast for Dias Beach at 10AM is: 2.3m 12s primary swell from a Southwest direction and 0.8m 12s secondary swell from a West direction, 2.0m 6s secondary swell from a Southeast direction (forecast issued at 01:00am September 17). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 7.5ft (2.3m) | 12s |
| Afternoon (17 Sep) | 7ft (2.1m) | 12s |
| Evening (17 Sep) | 6ft (1.9m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sat morning). Mainly near gales. | ||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | ||||||||||||||||||||||
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 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | ESE 7 | ESE 7 | SW 14 | SW 14 | SW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1569 | 1470 | 1381 | 1444 | 1272 | 1092 | 990 | 897 | 866 | 898 | 898 | 898 | 1191 | 1109 | 1092 | 917 | 860 | 785 | 772 | 569 | 501 | 1147 | 1507 | 1884 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:21AM1.13m | 6:34PM1.13m | 7:06AM1.01m | 7:26PM1.01m | 8:42AM0.91m | 9:33PM0.93m | ||||||||||||||||||
Low Tide | 00:14AM0.41m | 12:18PM0.50m | 00:52AM0.53m | 1:00PM0.63m | 1:59AM0.64m | 2:48PM0.73m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:38 | — | — | — | — | — | — | — | 6:38 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 16 | 16 | 14 | 13 | 13 | 13 | 12 | 15 | 17 | 16 | 16 | 15 |
Feels °C | 5 | 5 | 5 | 4 | 4 | 3 | 4 | 5 | 4 | 3 | 3 | 4 | 6 | 6 | 3 | 3 | 5 | 4 | 3 | 8 | 9 | 6 | 7 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 |
| kJ | 1569 | 1470 | 1381 | 1444 | 1272 | 1092 | 990 | 897 | 866 | 898 | 898 | 898 | 1191 | 1109 | 1092 | 917 | 860 | 785 | 772 | 433 | 448 | 1147 | 1507 | 1884 |
Swell 2 Height (m) Direction Period (s) | W 13 | W 12 | W 12 | E 11 | — | — | — | — | — | — | — | SW 14 | SW 20 | WSW 18 | SW 18 | WSW 18 | SW 16 | SW 16 | — | SW 14 | SW 14 | — | — | — |
| kJ | 408 | 247 | 184 | 20 | — | — | — | — | — | — | — | 245 | 15 | 31 | 49 | 31 | 127 | 127 | — | 407 | 350 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 20 | — | — | — | — | — | — | — | — | SSW 18 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | 31 | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | SE 7 | ESE 7 | ESE 6 |
| kJ | 427 | 349 | 316 | 307 | 266 | 320 | 317 | 320 | 309 | 320 | 333 | 305 | 357 | 479 | 569 | 610 | 610 | 610 | 610 | 569 | 501 | 467 | 486 | 375 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 39 | 227 | 227 | 870 | 397 | 84 | 58 | 52 | 41 | 41 | 52 | 52 | 62 | 49 | 39 | 35 | 35 | 32 | 29 | 32 | 49 | 39 | 35 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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