Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.1m), 11s period with S swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 11s period with S swell.
- Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.1m), 11s period with S swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 7PM is: 0.1m 11s primary swell from a South direction and 0.1m 5s secondary swell from a South direction (forecast issued at 12:00pm July 18). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.1m) | 11s |
| Afternoon (18 Jul) | 0.5ft (0.1m) | 11s |
| Evening (18 Jul) | 0.5ft (0.1m) | 11s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Sat 18 | Sunday 19 | Monday 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) | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | SW 11 | S 11 | S 11 | S 11 | S 10 | NNW 4 | S 10 | S 10 | N 4 | N 5 | N 5 | NNW 5 | NNW 5 | NNW 5 | N 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:58PM3.76m | 1:12AM4.25m | 1:45PM3.57m | 2:00AM3.97m | 2:34PM3.37m | ||||||||||||||||
Low Tide | 7:25AM-0.16m | 7:35PM0.30m | 8:10AM0.10m | 8:19PM0.55m | 8:56AM0.43m | 9:06PM0.83m | |||||||||||||||
 | | | |  | |  | |  | | | |  | | | |  | | | | | |
 | 5:11 | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:31 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 16 | 17 | 16 | 16 | 15 | 14 | 15 | 16 | 17 | 17 | 16 | 15 | 14 | 13 | 14 | 14 | 15 | 16 | 16 |
Feels °C | 10 | 9 | 12 | 14 | 14 | 14 | 14 | 12 | 13 | 12 | 14 | 15 | 14 | 12 | 12 | 12 | 11 | 10 | 11 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | S 5 | S 5 | S 11 | SW 11 | S 11 | S 11 | S 11 | S 10 | — | S 10 | S 10 | — | — | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 2 | 5 | 2 | 2 | 2 | 2 | — | 2 | 2 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | S 11 | S 11 | S 5 | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | S 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | NNW 5 | N 5 | N 6 | NNW 6 | NNW 5 | N 5 | N 5 | N 4 | NNW 4 | NNW 4 | NNW 4 | NNW 3 | N 4 | N 4 | N 5 | N 5 | NNW 5 | NNW 5 | NNW 5 | N 5 |
| kJ | 17 | 28 | 59 | 64 | 40 | 35 | 24 | 16 | 10 | 6 | 5 | 5 | 3 | 7 | 19 | 25 | 34 | 36 | 26 | 25 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 284 | 284 | 284 | 284 | 284 | 233 | 260 | 313 | 284 | 284 | 284 | 284 | 272 | 272 | 272 | 272 | 284 | 284 | 325 | 325 | 272 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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