Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (11 Aug):
- Afternoon surf: Afternoon surf (11 Aug, local time) - 1ft (0.3m), 3s period with S swell.
- Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.1m), 11s period with S swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 0.1m 11s primary swell from a South direction and 0.1m 6s secondary swell from a Southwest direction, 0.2m 3s secondary swell from a South direction (forecast issued at 06:00pm August 11). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | - | - |
| Afternoon (11 Aug) | 1ft (0.3m) | 3s |
| Evening (11 Aug) | 0.5ft (0.1m) | 11s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri morning. Warm (max 26°C on Wed afternoon, min 16°C on Fri morning). Wind will be generally light. | |||||||||||||||||||
Tue 11 | Wednesday 12 | Thursday 13 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | S 3 | SW 6 | S 11 | S 11 | SW 11 | SW 12 | SW 12 | SW 10 | SW 12 | SW 12 | SW 12 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | S 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 1 | 1 | 2 | 2 | 5 | 5 | 6 | 4 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-off | glassy | cross-on | cross-on | cross-on | on | cross-on | cross-off | glassy | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on |
High Tide | 9:07PM4.05m | 9:40AM3.86m | 9:54PM4.35m | 10:25AM4.00m | |||||||||||||||
Low Tide | 3:34PM0.38m | 4:04AM-0.04m | 4:20PM0.13m | 4:50AM-0.29m | 5:04PM-0.02m | ||||||||||||||
 | |  |  |  | | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 23 | 26 | 25 | 24 | 23 | 21 | 21 | 21 | 22 | 22 | 22 | 20 |
Feels °C | 19 | 20 | 21 | 21 | 20 | 17 | 17 | 20 | 24 | 24 | 23 | 21 | 19 | 19 | 20 | 20 | 22 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | — | — | SW 6 | SW 12 | SW 12 | SW 10 | SSW 3 | SSW 3 | SW 12 | SW 5 | SW 10 | SW 10 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 |
| kJ | 1 | 1 | — | — | 1 | 5 | 6 | 4 | 1 | 1 | 5 | 1 | 4 | 4 | 3 | 3 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 6 | SW 6 | SW 11 | S 12 | SW 6 | S 6 | SW 12 | SW 12 | — | SW 10 | SW 5 | SW 5 | SW 5 | SW 10 | SW 11 | SW 11 | S 11 |
| kJ | — | — | 1 | 1 | 5 | 3 | 1 | 1 | 6 | 6 | — | 4 | 1 | 1 | 1 | 4 | 4 | 4 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | S 11 | S 11 | W 11 | W 11 | W 10 | — | SW 6 | SW 6 | SW 5 | — | — | — | SW 10 | SW 11 | S 11 | — | — |
| kJ | — | — | 2 | 2 | 2 | 2 | 2 | — | 1 | 1 | 1 | — | — | — | 4 | 5 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | S 3 | — | — | — | SSW 3 | SSW 3 | SSW 3 | SSW 3 | — | — | — | — | SSW 2 | SSW 3 | — | — | — | — | SW 3 |
| kJ | 1 | — | — | — | 1 | 1 | 3 | 2 | — | — | — | — | 1 | 1 | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 316 | 295 | 285 | 158 | 158 | 172 | 172 | 157 | 176 | 185 | 158 | 150 | 172 | 172 | 172 | 181 | 297 | 302 | 185 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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