Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (25 Aug):
- Afternoon surf: Afternoon surf (25 Aug, local time) - 0.5ft (0.1m), 13s period with SW swell.
- Evening surf: Evening surf (25 Aug, local time) - 0.5ft (0.2m), 9s period with SSW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 0.2m 9s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction (forecast issued at 06:00pm August 25). An open ocean swell of 0.8m 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 (25 Aug) | - | - |
| Afternoon (25 Aug) | 0.5ft (0.1m) | 13s |
| Evening (25 Aug) | 0.5ft (0.2m) | 9s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Thu afternoon. Warm (max 22°C on Wed afternoon, min 16°C on Tue night). Winds decreasing (fresh winds from the E on Tue night, calm by Wed morning). | |||||||||||||||||||
Tue 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||
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 13 | SW 13 | SSW 9 | SSW 8 | SSW 8 | SSW 8 | SW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | S 12 | SW 12 | SSW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 7 | 7 | 7 | 7 | 7 | 13 | 17 | 16 | 12 | 11 | 11 | 5 | 6 | 6 | 5 | 2 | 3 | 6 | 4 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | off | off | cross-off | off | cross-off | off | cross-off | glassy | glassy | cross-on |
High Tide | 9:03PM3.55m | 9:25AM3.40m | 9:35PM3.81m | 9:55AM3.58m | |||||||||||||||
Low Tide | 3:12PM0.93m | 3:39AM0.68m | 3:47PM0.67m | 4:13AM0.41m | 4:20PM0.46m | ||||||||||||||
 | |  | | | | | |  | |  | |  |  |  | | |  |  | |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | 8:23 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:20 | — |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | 2 | — | 2 | 3 | 10 | 5 |
Temp °C | 21 | 21 | 20 | 19 | 17 | 16 | 16 | 20 | 21 | 22 | 19 | 20 | 18 | 17 | 19 | 18 | 17 | 17 | 16 |
Feels °C | 19 | 18 | 14 | 15 | 14 | 14 | 14 | 20 | 21 | 22 | 18 | 19 | 17 | 17 | 19 | 18 | 18 | 18 | 16 |
Swell 1 Height (m) Direction Period (s) | — | SW 9 | SSW 9 | SSW 8 | NE 6 | NE 5 | NE 5 | SW 8 | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SSW 7 | SSW 7 | NE 4 | NE 4 | NE 4 | NNE 4 | SSW 6 |
| kJ | — | 3 | 7 | 7 | 11 | 4 | 6 | 16 | 12 | 11 | 11 | 5 | 5 | 5 | 3 | 3 | 3 | 1 | 4 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 13 | S 13 | SSW 8 | SSW 8 | SW 8 | NE 5 | S 3 | — | — | — | — | — | SSW 7 | SW 7 | SW 7 | SW 6 | — |
| kJ | 7 | 7 | 3 | 3 | 7 | 13 | 17 | 4 | 1 | — | — | — | — | — | 5 | 2 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | SW 8 | — | — | S 13 | S 13 | SSE 4 | S 13 | SSE 4 | S 12 | S 12 | S 12 | S 12 | SW 12 | SW 12 | — | — | S 12 | SW 12 | — |
| kJ | 3 | — | — | 3 | 3 | 4 | 3 | 2 | 3 | 3 | 3 | 3 | 6 | 6 | — | — | 3 | 6 | — |
Wind waves Height (m) Direction Period (s) | NE 5 | NE 5 | ENE 5 | E 4 | SE 4 | — | SE 4 | — | NE 4 | NNE 4 | — | — | — | NE 4 | — | — | — | — | W 2 |
| kJ | 6 | 14 | 28 | 23 | 8 | — | 3 | — | 3 | 1 | — | — | — | 3 | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 261 | 260 | 258 | 258 | 178 | 181 | 178 | 246 | 322 | 380 | 300 | 296 | 285 | 285 | 285 | 285 | 258 | 258 | 258 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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