Surf Forecasts:
How big are the waves at Dias Beach today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 8ft (2.5m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (21 Jul, local time) - 10ft (3.0m), 14s period with SW swell.
- Evening surf: Evening surf (21 Jul, local time) - 8ft (2.5m), 13s period with SW swell.
The current surf forecast for Dias Beach at 7AM is: 2.0m 14s primary swell from a South-southwest direction and 0.8m 11s secondary swell from a East-southeast direction (forecast issued at 01:00am July 21). The wind direction is predicted to be glassy and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 8ft (2.5m) | 14s |
| Afternoon (21 Jul) | 10ft (3.0m) | 14s |
| Evening (21 Jul) | 8ft (2.5m) | 13s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 14°C on Tue morning, min 12°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the N by Thu morning). | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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) | SSW 15 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | WSW 12 | SW 13 | SW 18 | SW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 487 | 752 | 2250 | 2844 | 3139 | 2653 | 2561 | 2235 | 1777 | 1525 | 1591 | 1494 | 1292 | 1107 | 1107 | 850 | 939 | 1044 | 1310 | 1350 | 1783 | 2419 | 11376 | 11900 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | glassy | glassy | on | cross-on | cross-on | cross-on | on | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy |
High Tide | 8:12AM1.07m | 8:35PM1.19m | 9:19AM1.00m | 9:42PM1.11m | 10:47AM0.97m | |||||||||||||||||||
Low Tide | 2:13AM0.43m | 2:07PM0.50m | 3:13AM0.51m | 3:11PM0.60m | 4:33AM0.55m | 4:45PM0.64m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | | | | | |  | | | |  | | |
 | — | 7:47 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 13 | 14 | 14 |
Feels °C | 13 | 13 | 13 | 14 | 13 | 12 | 12 | 12 | 12 | 11 | 10 | 9 | 10 | 9 | 10 | 8 | 7 | 6 | 6 | 6 | 8 | 10 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SSW 15 | SSW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 | WSW 12 | SW 13 | SW 18 | SW 17 |
| kJ | 104 | 752 | 2250 | 2844 | 3139 | 2653 | 2561 | 2235 | 1777 | 1525 | 1591 | 1494 | 1292 | 1107 | 1107 | 850 | 939 | 1044 | 1310 | 1350 | 1783 | 2419 | 11376 | 11900 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SW 7 | ESE 11 | SE 11 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 10 | ESE 10 | ESE 11 | ESE 11 | SSW 14 | SSW 14 | SSW 14 | S 12 | SSW 12 | SSW 12 | SE 13 | SE 13 | SW 21 | SW 19 | SE 12 | SE 12 |
| kJ | 487 | 104 | 154 | 123 | 123 | 123 | 105 | 76 | 72 | 73 | 76 | 46 | 163 | 201 | 145 | 371 | 308 | 236 | 43 | 42 | 220 | 2140 | 38 | 37 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SSW 10 | W 9 | WNW 9 | W 9 | W 9 | — | — | — | — | — | SSW 15 | ESE 11 | ESE 11 | ESE 11 | SE 11 | ESE 11 | SE 13 | SSE 8 | SW 23 | SE 13 | SE 12 | — | — |
| kJ | 197 | 135 | 57 | 26 | 14 | 14 | — | — | — | — | — | 72 | 47 | 47 | 47 | 30 | 22 | 43 | 6 | 20 | 41 | 39 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | WNW 3 | WNW 4 | NW 4 | NW 4 | NW 4 | NNW 5 | NW 5 | NW 5 | NW 5 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 16 | 13 | 17 | 40 | 61 | 134 | 119 | 82 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 4 | 0 | 0 | 15 | 15 | 2 | 2 | 7 | 4 | 0 | 4 | 4 | 4 | 4 | 27 | 35 | 35 | 35 | 35 | 35 | 26 | 4 | 2 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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