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 5AM is: 1.5m 12s primary swell from a West-southwest direction and 1.7m 6s secondary swell from a East-southeast direction (forecast issued at 01:00am 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 ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 23°C on Tue afternoon, min 13°C on Wed night). Winds increasing (light winds from the NE on Tue morning, near gales from the SE by Wed night). | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 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) | WSW 12 | WSW 12 | WSW 12 | 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 | SSE 6 | SE 6 | SE 7 | SE 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 759 | 658 | 605 | 536 | 456 | 426 | 329 | 360 | 280 | 303 | 400 | 424 | 423 | 494 | 486 | 384 | 371 | 332 | 254 | 191 | 233 | 447 | 524 | 694 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-on | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 11:39PM0.99m | 12:27PM1.07m | 00:35AM1.10m | 1:03PM1.21m | 1:12AM1.22m | 1:33PM1.34m | ||||||||||||||||||
Low Tide | 6:12AM0.56m | 6:42PM0.56m | 6:53AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:47PM0.30m | ||||||||||||||||||
 | |  | | | | | | |  |  | |  | |  | | | | | | | | | | |
 | — | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 16 | 18 | 22 | 22 | 22 | 20 | 19 | 20 | 22 | 22 | 23 | 18 | 16 | 15 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 11 | 9 | 10 | 12 | 17 | 17 | 18 | 18 | 17 | 19 | 22 | 22 | 21 | 16 | 15 | 14 | 14 | 14 | 11 | 7 | 6 | 4 | 3 | 3 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 11 | SW 11 | ESE 6 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | 759 | 658 | 605 | 536 | 456 | 426 | 329 | 360 | 268 | 132 | 400 | 424 | 423 | 494 | 486 | 384 | 371 | 332 | 254 | 191 | 134 | 137 | 198 | 220 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 11 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | S 13 | SSE 12 | SSE 12 | SSE 12 | W 9 | SW 11 | S 10 | — |
| kJ | — | — | — | 45 | 57 | 146 | 214 | 211 | 280 | 303 | 100 | 67 | 46 | 41 | 44 | 52 | 14 | 15 | 15 | 14 | 6 | 169 | 8 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 13 | WSW 11 | WSW 11 | WSW 11 | S 16 | S 15 | S 14 | SSE 13 | W 10 | SSE 12 | SW 15 | — | SSE 11 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 183 | 135 | 117 | 88 | 5 | 4 | 14 | 17 | 8 | 15 | 8 | — | 12 | — | — |
Wind waves Height (m) Direction Period (s) | SE 5 | ESE 6 | ESE 6 | ESE 6 | SE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | ESE 7 | — | WNW 2 | — | — | — | SE 7 | SE 7 | SE 7 | SSE 5 | SSE 6 | SE 6 | SE 7 | SE 7 |
| kJ | 129 | 164 | 164 | 188 | 207 | 243 | 270 | 204 | 159 | 240 | 168 | — | 1 | — | — | — | 49 | 47 | 45 | 69 | 233 | 447 | 524 | 694 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 32 | 29 | 28 | 28 | 28 | 15 | 2 | 15 | 2 | 0 | 4 | 4 | 7 | 7 | 15 | 29 | 2 | 31 | 189 | 334 | 334 | 62 | 49 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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