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 4AM is: 3.5m 12s primary swell from a West-southwest direction (forecast issued at 01:00am October 21). 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 ForecastLight rain (total 4mm), mostly falling on Wed morning. Very mild (max 17°C on Wed afternoon, min 14°C on Thu night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Fri morning). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 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 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2874 | 4080 | 4295 | 3568 | 2992 | 1713 | 1247 | 1403 | 1187 | 1130 | 1073 | 930 | 986 | 969 | 1045 | 1046 | 1151 | 1381 | 1680 | 1483 | 1228 | 1043 | 814 | 673 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-on | cross | cross-on | cross-on | on | cross-on | cross | cross | cross-off | glassy | on | cross-on | cross-on | cross |
High Tide | 11:45PM1.06m | 12:09PM1.22m | 00:30AM1.17m | 12:45PM1.35m | 1:07AM1.29m | 1:18PM1.47m | ||||||||||||||||||
Low Tide | 5:54AM0.49m | 6:33PM0.43m | 6:34AM0.39m | 7:06PM0.29m | 7:09AM0.29m | 7:39PM0.16m | ||||||||||||||||||
 | |  |  |  | |  | | |  | |  | |  | | | |  | | | | | | | |
 | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 2 | 1 | 2 | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 16 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 17 |
Feels °C | 5 | 7 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 11 | 11 | 13 | 12 | 11 | 11 | 13 | 15 | 13 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | 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 | SW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 |
| kJ | 2874 | 4080 | 4295 | 3568 | 2992 | 1713 | 1247 | 1403 | 1187 | 1130 | 1073 | 930 | 986 | 969 | 1045 | 1046 | 1151 | 1381 | 1680 | 1483 | 1228 | 1043 | 814 | 673 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 15 | W 11 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 |
| kJ | — | — | — | — | 18 | 785 | 4 | 4 | 4 | 3 | 3 | 515 | 448 | 387 | 329 | 272 | 220 | 212 | 128 | 94 | 92 | 89 | 61 | 58 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | E 11 | W 14 | ESE 10 | SE 10 | — | — | — | SE 10 | SE 10 | SE 10 | SE 9 | SE 10 | SE 10 | SW 12 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | W 16 |
| kJ | — | — | — | — | 9 | 4 | 10 | 4 | — | — | — | 4 | 4 | 4 | 3 | 4 | 4 | 220 | 4 | 4 | 4 | 4 | 4 | 19 |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | — | — | — | — | W 11 | W 11 | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 260 | 173 | — | — | — | — | 811 | 533 | 599 | 599 | 577 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 261 | 269 | 27 | 21 | 21 | 4 | 4 | 4 | 4 | 4 | 7 | 4 | 7 | 25 | 4 | 2 | 15 | 2 | 0 | 0 | 7 | 4 | 4 | 4 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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