Surf Forecasts:
How big are the waves at Dias Beach today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.4m), 9s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 5ft (1.5m), 9s period with WSW swell.
- Evening surf: Evening surf (18 Jul, local time) - 5.5ft (1.7m), 12s period with SW swell.
The current surf forecast for Dias Beach at 8PM is: 1.7m 13s primary swell from a Southwest direction and 0.8m 10s secondary swell from a South direction (forecast issued at 01:00pm July 18). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 4.5ft (1.4m) | 9s |
| Afternoon (18 Jul) | 5ft (1.5m) | 9s |
| Evening (18 Jul) | 5.5ft (1.7m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun morning. Very mild (max 17°C on Sat afternoon, min 13°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||||
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) | WSW 9 | WSW 9 | SW 13 | SW 13 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 8 | SW 9 | SW 9 | SW 11 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 10 | SE 11 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 387 | 395 | 352 | 921 | 892 | 850 | 904 | 1036 | 454 | 1015 | 984 | 1273 | 989 | 951 | 809 | 654 | 427 | 211 | 173 | 130 | 330 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off |
High Tide | 6:19PM1.52m | 6:36AM1.28m | 7:00PM1.42m | 7:21AM1.17m | 7:44PM1.31m | ||||||||||||||||
Low Tide | 12:00PM0.15m | 00:39AM0.24m | 12:39PM0.27m | 1:24AM0.34m | 1:20PM0.39m | ||||||||||||||||
 |  | |  | | | | |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — |
 | — | — | 5:54 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 14 | 14 | 13 | 13 | 12 | 11 | 11 | 9 | 11 | 11 | 12 | 15 | 13 | 12 | 12 | 11 | 12 | 12 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 9 | WSW 9 | WSW 9 | SW 13 | SW 12 | SW 12 | WSW 12 | W 11 | SW 12 | SW 9 | SW 9 | SW 11 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SSW 16 |
| kJ | 387 | 395 | 346 | 921 | 892 | 850 | 904 | 149 | 268 | 657 | 984 | 1273 | 989 | 951 | 809 | 654 | 427 | 211 | 140 | 88 | 330 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 13 | SW 13 | S 10 | W 11 | W 11 | W 11 | SSE 11 | W 11 | SW 11 | W 10 | W 10 | W 10 | W 10 | SE 10 | SE 9 | W 10 | SW 11 | SW 10 | SE 11 | SE 11 |
| kJ | 187 | 290 | 352 | 133 | 198 | 191 | 149 | 117 | 143 | 245 | 98 | 121 | 184 | 122 | 76 | 90 | 123 | 140 | 173 | 130 | 126 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | W 12 | S 10 | SSE 11 | SSE 11 | SSE 11 | S 10 | W 10 | SE 9 | SE 9 | SE 9 | SE 10 | W 10 | W 10 | SE 9 | W 10 | W 10 | W 10 | SW 7 |
| kJ | 112 | 112 | 188 | 132 | 133 | 153 | 153 | 117 | 55 | 102 | 41 | 41 | 43 | 79 | 68 | 68 | 88 | 94 | 92 | 90 | 65 |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | — | NW 4 | NW 3 | NNW 3 | — | WSW 12 | WSW 8 | SW 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | — | 12 | 7 | 4 | — | 1036 | 454 | 1015 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 4 | 4 | 4 | 4 | 25 | 35 | 4 | 21 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 7 | 4 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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