Surf Forecasts:
How big are the waves at Dias Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 13ft (4.0m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 11ft (3.5m), 12s period with WSW swell.
- Evening surf: Evening surf (21 Oct, local time) - 7ft (2.2m), 12s period with SW swell.
The current surf forecast for Dias Beach at 12AM is: 3.0m 12s primary swell from a Southwest direction (forecast issued at 07:00pm October 20). An open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 13ft (4.0m) | 12s |
| Afternoon (21 Oct) | 11ft (3.5m) | 12s |
| Evening (21 Oct) | 7ft (2.2m) | 12s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Very mild (max 17°C on Wed afternoon, min 13°C on Tue night). Winds decreasing (strong winds from the NNW on Tue night, light winds from the ENE by Fri morning). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
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 11 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 1147 | 1702 | 2124 | 3741 | 3620 | 4501 | 3649 | 2992 | 1610 | 1247 | 1403 | 1187 | 1208 | 1073 | 930 | 914 | 969 | 1045 | 1065 |
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 | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on |
High Tide | 11:45PM1.06m | 12:09PM1.22m | 00:30AM1.17m | 12:45PM1.35m | |||||||||||||||
Low Tide | 5:52PM0.56m | 5:54AM0.49m | 6:33PM0.43m | 6:34AM0.39m | 7:06PM0.29m | ||||||||||||||
 |  | |  | |  | | | | | | |  |  |  | | |  | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | 2 | 1 | 2 | 2 | 1 | 1 | 1 | — | — | 1 | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 13 | 14 | 15 | 16 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 8 | 7 | 6 | 5 | 7 | 10 | 12 | 13 | 12 | 13 | 12 | 12 | 11 | 10 | 10 | 11 | 11 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 1147 | 1702 | 2124 | 2725 | 3620 | 4501 | 3649 | 2992 | 1610 | 1247 | 1403 | 1187 | 1208 | 1073 | 930 | 914 | 969 | 1045 | 1065 |
Swell 2 Height (m) Direction Period (s) | E 7 | E 7 | — | — | — | — | W 15 | W 15 | W 11 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 1 | 1 | — | — | — | — | 19 | 18 | 785 | 4 | 4 | 4 | 3 | 3 | 448 | 448 | 394 | 329 | 272 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | E 11 | W 14 | E 10 | SE 10 | — | — | — | SE 10 | SE 10 | SE 10 | SE 9 | SE 10 |
| kJ | — | — | — | — | — | — | — | 9 | 4 | 2 | 4 | — | — | — | 4 | 4 | 4 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | WNW 5 | NW 5 | NW 6 | WSW 12 | NW 6 | — | — | — | — | W 11 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — |
| kJ | 59 | 117 | 185 | 3741 | 278 | — | — | — | — | 811 | 533 | 606 | 526 | 507 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 27 | 35 | 243 | 243 | 269 | 270 | 21 | 21 | 21 | 4 | 4 | 4 | 4 | 7 | 7 | 7 | 25 | 7 | 2 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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