Surf Forecasts:
How big are the waves at Cable Bay (Porth Trecastell) today (14 Nov):
- Afternoon surf: Afternoon surf (14 Nov, local time) - 6ft (1.9m), 6s period with SSW swell.
- Evening surf: Evening surf (14 Nov, local time) - 7.5ft (2.3m), 7s period with SSW swell.
The current surf forecast for Cable Bay (Porth Trecastell) at 9PM is: 2.3m 7s primary swell from a South-southwest direction (forecast issued at 05:00pm November 14). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Nov) | - | - |
| Afternoon (14 Nov) | 6ft (1.9m) | 6s |
| Evening (14 Nov) | 7.5ft (2.3m) | 7s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 5°C on Mon night). Winds decreasing (strong winds from the NNW on Sun afternoon, light winds from the WNW by Mon morning). | ||||||||||||||||||||||
Sat 14 | Sunday 15 | Monday 16 | Tue 17 | |||||||||||||||||||
3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 7 | SW 7 | SW 8 | SW 10 | SW 9 | SSW 9 | SSW 9 | SW 9 | SSE 4 | SSE 6 | S 7 | SSW 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 272 | 370 | 476 | 473 | 374 | 289 | 237 | 203 | 111 | 54 | 37 | 27 | 49 | 74 | 70 | 55 | 54 | 38 | 46 | 239 | 787 | 635 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross | cross-off | cross | cross | cross-on | cross-off | cross-off | cross-off | cross | on |
High Tide | 00:14AM3.09m | 12:31PM3.31m | 1:04AM2.87m | 1:27PM3.13m | 2:17AM2.71m | |||||||||||||||||
Low Tide | 6:47PM0.91m | 6:57AM1.17m | 7:35PM1.10m | 7:44AM1.34m | 8:30PM1.24m | |||||||||||||||||
 |  | | | | | |  | | | | | | | |  | | | |  |  | | |
 | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:45 |
 | 4:23 | — | — | — | — | — | — | — | 4:22 | — | — | — | — | — | — | — | 4:21 | — | — | — | — | 4:20 |
mm | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | 7 | 4 | 3 |
Temp °C | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 6 | 9 | 12 |
Feels °C | 1 | 2 | 1 | 0 | 1 | 2 | 3 | 6 | 1 | -3 | -3 | -1 | -1 | 0 | 1 | 3 | 3 | 0 | -2 | -2 | 1 | 3 |
Swell 1 Height (m) Direction Period (s) | — | — | — | WSW 11 | WSW 11 | SW 10 | SW 7 | W 11 | SSW 7 | SW 7 | SSW 7 | SW 7 | SW 8 | SW 10 | SW 9 | NW 4 | SSW 9 | SW 9 | SW 8 | WSW 8 | ENE 7 | ENE 7 |
| kJ | — | — | — | 12 | 11 | 4 | 139 | 2 | 111 | 54 | 37 | 27 | 49 | 74 | 70 | 20 | 54 | 38 | 18 | 7 | 9 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 11 | — | — | — | SW 14 | SW 12 | SW 10 | — | W 4 | SSW 9 | NW 4 | NNW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | 2 | — | — | — | 7 | 6 | 37 | — | 9 | 55 | 8 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | NNW 4 | NNW 6 | NNW 7 | NNW 7 | NNW 6 | NNW 5 | NNW 5 | — | — | SSE 3 | SSE 4 | SSE 6 | S 7 | SSW 8 |
| kJ | 272 | 370 | 476 | 473 | 374 | 289 | 237 | 203 | 52 | 333 | 826 | 545 | 185 | 75 | 32 | — | — | 3 | 46 | 239 | 787 | 635 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 296 | 231 | 231 | 262 | 256 | 179 | 49 | 49 | 187 | 277 | 221 | 212 | 167 | 173 | 173 | 44 | 166 | 272 | 279 | 511 | 322 | 313 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Never miss your swells again.
Built by surfers, trusted by millions for over 20 years. The Wavefinder in our app makes it even easier to find where the best waves are breaking. Follow the yellow stars along your coast and get there first.
Scan the QR code to open the Surf‑Forecast app
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Cable Bay (Porth Trecastell) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest