Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 2ft (0.6m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 2ft (0.6m), 6s period with SW swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 3s period with W swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 6PM is: 0.4m 6s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Northwest direction (forecast issued at 12:00pm August 18). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 2ft (0.6m) | 6s |
| Afternoon (18 Aug) | 2ft (0.6m) | 6s |
| Evening (18 Aug) | 2.5ft (0.7m) | 3s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue night. Very mild (max 17°C on Tue morning, min 11°C on Thu night). Wind will be generally light. | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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 6 | SW 6 | SW 6 | SW 6 | W 3 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 32 | 30 | 21 | 12 | 11 | 20 | 29 | 26 | 25 | 19 | 24 | 45 | 59 | 46 | 38 | 29 | 16 | 13 | 9 | 8 | 8 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | on | on | cross-on | on | on | on | on | on | cross-on | cross-on | cross | cross | cross-off | off | cross-off | cross-off | cross-off |
High Tide | 1:44PM3.51m | 2:05AM3.58m | 2:29PM3.25m | 2:56AM3.21m | 3:26PM3.00m | ||||||||||||||||
Low Tide | 8:13AM0.53m | 8:25PM0.77m | 8:54AM0.92m | 9:10PM1.10m | 9:40AM1.27m | ||||||||||||||||
 | |  | |  | |  | |  | | |  | | | | | | | |  |  | |
 | 6:01 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | 8:39 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:36 | — |
mm | — | — | — | — | 2 | 2 | 1 | — | 1 | 1 | — | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 | — | — |
Temp °C | 16 | 17 | 17 | 17 | 14 | 14 | 14 | 14 | 15 | 16 | 17 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 14 |
Feels °C | 13 | 14 | 14 | 15 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 13 | 12 | 11 | 12 | 11 | 11 | 12 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 6 | NW 4 | NW 4 | SW 6 | — | — | S 17 | SW 17 | SW 16 | SW 16 | WNW 4 | SW 15 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 32 | 16 | 8 | 12 | — | — | 6 | 11 | 10 | 10 | 1 | 9 | 59 | 46 | 38 | 29 | 16 | 13 | 9 | 6 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 15 | — | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | 9 | — | 10 | 10 | 9 | 9 | 8 | 8 | 8 | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | SW 6 | SW 6 | NW 4 | W 3 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | — | W 4 | WNW 4 | NW 4 | NNW 4 | N 4 | N 5 | N 5 | N 5 |
| kJ | 20 | 30 | 21 | 4 | 11 | 20 | 29 | 26 | 25 | 19 | 24 | 45 | — | 6 | 13 | 16 | 21 | 40 | 47 | 35 | 47 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 44 | 44 | 381 | 221 | 261 | 173 | 261 | 185 | 256 | 256 | 256 | 258 | 244 | 105 | 173 | 173 | 173 | 173 | 173 | 185 | 109 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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