Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
- Evening surf: Evening surf (20 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 2PM is: 0.4m 6s primary swell from a Southwest direction and 0.1m 14s secondary swell from a Southwest direction (forecast issued at 06:00am August 20). An open ocean swell of 1.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 1.5ft (0.5m) | 6s |
| Afternoon (20 Aug) | 1.5ft (0.4m) | 6s |
| Evening (20 Aug) | 1ft (0.3m) | 6s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Thu morning. Very mild (max 16°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 | 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) | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 14 | SW 14 | SW 14 | SW 14 | SW 6 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 52 | 29 | 16 | 14 | 10 | 8 | 8 | 8 | 8 | 7 | 7 | 1 | 7 | 7 | 7 | 7 | 10 | 10 | 8 | 8 | 8 | 8 | 8 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 3:26PM3.00m | 4:05AM2.90m | 4:46PM2.83m | 5:38AM2.76m | 6:19PM2.84m | ||||||||||||||||||
Low Tide | 9:40AM1.27m | 10:08PM1.38m | 10:45AM1.54m | 11:34PM1.55m | 12:20PM1.61m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | |  | | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — |
mm | 3 | 2 | 2 | 2 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 15 | 14 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 15 |
Feels °C | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 13 | 12 | 11 | 11 | 10 | 11 | 10 | 10 | 11 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | NNW 5 | NNW 4 | W 4 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 15 | SW 15 | NNW 5 | N 5 | NNW 5 |
| kJ | 52 | 29 | 16 | 14 | 10 | 6 | 6 | 3 | 1 | 1 | 28 | 13 | 1 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 20 | 12 | 7 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | — | SW 16 | SW 16 | — | S 12 | SW 15 | — | SW 15 |
| kJ | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 1 | 1 | 1 | 1 | 1 | — | 10 | 10 | — | 3 | 8 | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 14 | — | SW 13 | — | — | — | — | — | — | — | — | SW 15 | S 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | 7 | — | 7 | — | — | — | — | — | — | — | — | 8 | 3 |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | NNW 4 | N 5 | N 5 | N 5 | N 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NE 2 | NNW 4 | NNW 4 | N 4 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | WNW 3 | — |
| kJ | 16 | 15 | 26 | 83 | 62 | 57 | 50 | 64 | 56 | 48 | 50 | 1 | 7 | 8 | 16 | 32 | 35 | 27 | 26 | 27 | — | 1 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 44 | 0 | 167 | 187 | 830 | 221 | 185 | 185 | 185 | 185 | 47 | 187 | 284 | 180 | 158 | 187 | 180 | 180 | 233 | 211 | 284 | 282 | 158 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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