Surf Forecasts:
How big are the waves at Dias Beach today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 4.5ft (1.4m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 4.5ft (1.3m), 12s period with WSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 4ft (1.2m), 11s period with SW swell.
The current surf forecast for Dias Beach at 7PM is: 1.2m 11s primary swell from a Southwest direction and 0.6m 15s secondary swell from a South-southwest direction, 1.9m 6s secondary swell from a East-southeast direction (forecast issued at 01:00pm September 21). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 4.5ft (1.4m) | 12s |
| Afternoon (21 Sep) | 4.5ft (1.3m) | 12s |
| Evening (21 Sep) | 4ft (1.2m) | 11s |
Table - waves today at Dias Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 23°C on Tue morning, min 15°C on Wed morning). Winds increasing (light winds from the E on Tue afternoon, strong winds from the SE by Wed night). | |||||||||||||||||||||
Mon 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||
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 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 | SW 14 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SSE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 536 | 456 | 426 | 329 | 360 | 280 | 303 | 400 | 424 | 379 | 494 | 435 | 384 | 332 | 332 | 254 | 254 | 187 | 184 | 157 | 335 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-on | cross-on | cross-off | cross-on | cross-on | cross | cross-off | cross | cross | on | cross-on | cross | cross |
High Tide | 12:27PM1.07m | 00:35AM1.10m | 1:03PM1.21m | 1:12AM1.22m | 1:33PM1.34m | ||||||||||||||||
Low Tide | 6:42PM0.56m | 6:53AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:47PM0.30m | ||||||||||||||||
 | | |  | |  |  | |  | | | | |  | | |  | | | |  | |
 | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — | — | — |
Temp °C | 18 | 21 | 22 | 22 | 20 | 19 | 20 | 22 | 23 | 22 | 19 | 20 | 18 | 17 | 16 | 15 | 15 | 16 | 16 | 16 | 18 |
Feels °C | 13 | 16 | 17 | 18 | 17 | 16 | 19 | 21 | 23 | 21 | 19 | 19 | 17 | 17 | 15 | 13 | 14 | 16 | 14 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 | SW 11 | SW 11 | SE 6 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 |
| kJ | 536 | 456 | 426 | 329 | 360 | 268 | 303 | 91 | 424 | 379 | 494 | 435 | 384 | 332 | 332 | 254 | 254 | 187 | 184 | 157 | 104 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SE 6 | SE 6 | SE 7 | ESE 7 | SE 7 | SE 7 | ESE 8 | ESE 8 | SE 7 | SE 7 | SE 9 | SSE 10 | SW 14 |
| kJ | 45 | 57 | 146 | 214 | 211 | 280 | 183 | 400 | 61 | 42 | 36 | 34 | 41 | 38 | 24 | 23 | 33 | 11 | 37 | 11 | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 11 | WSW 11 | WSW 11 | S 16 | S 15 | S 14 | S 13 | SSE 6 | SE 6 | SSE 12 | ESE 8 | SSE 11 | NW 5 | — |
| kJ | — | — | — | — | — | — | — | 135 | 117 | 88 | 5 | 4 | 14 | 14 | 16 | 10 | 14 | 13 | 13 | 1 | — |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | — | — | — | — | — | — | — | WNW 2 | — | — | SSE 5 | SSE 6 | SSE 6 |
| kJ | 164 | 164 | 214 | 246 | 197 | 190 | 145 | 158 | — | — | — | — | — | — | — | 1 | — | — | 28 | 115 | 335 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 29 | 28 | 28 | 15 | 15 | 0 | 0 | 4 | 4 | 0 | 4 | 4 | 4 | 0 | 4 | 4 | 15 | 15 | 29 | 29 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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