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Cable Bay (Porth Trecastell) Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Cable Bay (Porth Trecastell) surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 12 am Monday 12 May 2025 BST
How big are the waves at Cable Bay (Porth Trecastell) today?
The current surf forecast for Cable Bay (Porth Trecastell) at 7AM is: 0.1m 13s primary swell from a Southwest direction (forecast issued at 12:00am May 12). An open ocean swell of 0.5m 4s is not directed at the surf break, a second open ocean swell of 0.1m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 0.5ft (0.1m) | 13s |
| Afternoon (12 May) | 0.5ft (0.1m) | 13s |
| Evening (12 May) | 0.5ft (0.1m) | 13s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |  |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 5 | 11 | 11 | 12 | 5 | 4 | 4 | 4 | 15 | 2 | 4 | 3 | 14 | 13 | 13 | 13 | 13 | 13 | 11 | 10 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 3 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 7 | 7 | 7 | 7 | 3 | 7 | 4 | 4 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- off | off | off | glass | glass | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | off | off | off | cross- off | off | cross- off | off | off | off | off |
High Tide / height (m) | 9:42PM 3.77 | 9:56AM 3.80 | 10:13PM 3.82 | 10:29AM 3.78 | 10:44PM 3.83 | 11:02AM 3.70 | 11:15PM 3.77 | 11:35AM 3.57 | 11:48PM 3.68 | 12:08PM 3.42 | 12:23AM 3.57 | 12:45PM 3.25 | 1:04AM 3.44 | 1:30PM 3.08 | 1:53AM 3.33 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 4:24AM 0.50 | 4:40PM 0.46 | 4:58AM 0.45 | 5:13PM 0.51 | 5:33AM 0.46 | 5:47PM 0.60 | 6:09AM 0.53 | 6:23PM 0.72 | 6:48AM 0.66 | 7:02PM 0.86 | 7:30AM 0.81 | 7:44PM 1.01 | 8:17AM 0.96 | 8:31PM 1.15 | ||||||||||||||||||||||||||||||||||||||||||||||
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:13 |
| Sunset | - | - | - | - | - | - | - | 9:05 | - | - | - | - | - | - | - | 9:06 | - | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - | - | 9:09 | - | - | - | - | - | - | - | 9:10 | - | - | - | - | - | - | - | 9:13 | - | - | - | - | - | - | - | 9:14 | - | - | - | - |
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Rain (mm) | 1 | 1 | - | - | - | 2 | 4 | 6 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 12 | 16 | 17 | 18 | 18 | 17 | 17 | 16 | 14 | 16 | 19 | 19 | 18 | 19 | 16 | 14 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 12 | 13 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 14 | 15 | 17 | 16 | 17 | 17 | 15 | 14 | 14 | 16 | 17 | 16 | 16 | 15 | 15 | 14 |
| Feels °C (?) | 14 | 10 | 8 | 9 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 11 | 13 | 16 | 14 | 13 | 16 | 13 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 10 | 10 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 13 | 13 | 12 | 11 | 9 | 10 | 13 | 12 | 14 | 14 | 11 | 10 | 9 | 12 | 12 | 12 | 13 | 13 | 12 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
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