Surf Forecasts:
How big are the waves at Dias Beach today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 6ft (1.8m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 4.5ft (1.4m), 9s period with SW swell.
- Evening surf: Evening surf (20 Jul, local time) - 3.5ft (1.0m), 8s period with SW swell.
The current surf forecast for Dias Beach at 1AM is: 2.3m 11s primary swell from a Southwest direction and 0.7m 10s secondary swell from a West direction, 1.0m 10s secondary swell from a West direction (forecast issued at 07:00pm July 19). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 6ft (1.8m) | 10s |
| Afternoon (20 Jul) | 4.5ft (1.4m) | 9s |
| Evening (20 Jul) | 3.5ft (1.0m) | 8s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 13°C on Tue night). Wind will be generally light. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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 9 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 16 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 1057 | 1473 | 1402 | 1187 | 850 | 742 | 508 | 328 | 196 | 133 | 330 | 487 | 763 | 2095 | 2686 | 3010 | 2802 | 2561 | 2201 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on | glassy | glassy | on | cross-on | cross-on | cross |
High Tide | 7:00PM1.42m | 7:21AM1.17m | 7:44PM1.31m | 8:12AM1.07m | 8:35PM1.19m | ||||||||||||||
Low Tide | 1:24AM0.34m | 1:20PM0.39m | 2:13AM0.43m | 2:07PM0.50m | |||||||||||||||
 |  | |  |  |  | | | | | | | | | | | | | | |
 | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 |
| kJ | 1057 | 1473 | 1402 | 1187 | 850 | 742 | 508 | 328 | 196 | 132 | 113 | 487 | 763 | 2095 | 2686 | 3010 | 2802 | 2561 | 2201 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | SE 9 | W 10 | W 9 | SE 10 | SE 9 | SE 9 | SW 11 | W 10 | SSW 16 | SW 7 | SW 11 | ESE 11 | SE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 |
| kJ | 75 | 111 | 42 | 92 | 83 | 76 | 71 | 70 | 155 | 92 | 330 | 89 | 328 | 154 | 123 | 126 | 123 | 105 | 78 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SSE 10 | SE 10 | SE 10 | W 10 | W 10 | SSE 9 | SE 11 | SE 11 | SE 11 | SW 12 | SE 11 | W 9 | W 9 | W 9 | W 9 | — | — |
| kJ | 41 | 41 | 31 | 80 | 79 | 68 | 69 | 8 | 128 | 133 | 128 | 232 | 179 | 39 | 39 | 14 | 14 | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | W 10 | — | — | NNW 3 | NNW 3 | WNW 10 | WNW 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 200 | — | — | 3 | 2 | 128 | 128 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 4 | 4 | 25 | 25 | 21 | 25 | 4 | 4 | 21 | 4 | 4 | 4 | 4 | 0 | 0 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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