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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 Friday 16 May 2025 BST
How big are the waves at Cable Bay (Porth Trecastell) today?
The current surf forecast for Cable Bay (Porth Trecastell) at 6AM is: 0ft 11s primary swell from a South direction and 0ft 5s secondary swell from a South direction (forecast issued at 12:00am May 16). An open ocean swell of 1ft 4s is not directed at the surf break, a second open ocean swell of 0ft 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 0.5ft (0.1m) | 5s |
| Afternoon (16 May) | 0.5ft (0.1m) | 11s |
| Evening (16 May) | 0.5ft (0.1m) | 11s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 (ft) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 5 | 11 | 5 | 11 | 11 | 11 | 3 | 4 | 4 | 3 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 2 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 2 | 2 | 2 | 2 | 0 | 2 | 0 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 4 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross- off | off | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | off | on | cross | off | cross- off | cross- off | cross- off | glass | glass | cross | cross | cross- on | glass | cross- on | cross- on | cross- on | cross- on | cross- off | cross | cross | cross | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off |
High Tide / height (ft) | 11:48PM 12.07 | 12:08PM 11.22 | 12:23AM 11.71 | 12:45PM 10.66 | 1:04AM 11.29 | 1:30PM 10.11 | 1:53AM 10.93 | 2:28PM 9.65 | 2:55AM 10.7 | 3:47PM 9.48 | 4:10AM 10.76 | 5:09PM 9.81 | 5:21AM 11.22 | 6:15PM 10.53 | 6:23AM 11.91 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (ft) | 6:48AM 2.17 | 7:02PM 2.82 | 7:30AM 2.66 | 7:44PM 3.31 | 8:17AM 3.15 | 8:31PM 3.77 | 9:11AM 3.45 | 9:25PM 4.17 | 10:12AM 3.48 | 10:29PM 4.3 | 11:18AM 3.15 | 11:38PM 4.1 | 12:24PM 2.49 | 12:45AM 3.51 | ||||||||||||||||||||||||||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 |
| Sunset | - | - | - | - | - | - | - | 9:10 | - | - | - | - | - | - | - | 9:13 | - | - | - | - | - | - | - | 9:14 | - | - | - | - | - | - | - | 9:15 | - | - | - | - | - | - | - | 9:16 | - | - | - | - | - | - | - | 9:19 | - | - | - | - | - | - | - | 9:20 | - | - | - | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | | | | | |  | | | | |  |  | | | | | |  | | |  | | | | | | | | | | | | | | | | |
Rain (in) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.0 | 0.1 | 0.0 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °F | 57 | 55 | 54 | 52 | 54 | 57 | 59 | 57 | 59 | 57 | 57 | 57 | 57 | 59 | 61 | 59 | 59 | 61 | 59 | 57 | 57 | 57 | 61 | 59 | 59 | 59 | 57 | 57 | 59 | 61 | 61 | 61 | 63 | 63 | 61 | 59 | 59 | 61 | 61 | 61 | 59 | 59 | 57 | 55 | 54 | 52 | 52 | 54 | 54 | 55 | 54 | 50 | 54 | 55 | 59 | 57 | 57 | 57 | 55 | 54 |
| Feels °F (?) | 52 | 50 | 48 | 48 | 48 | 50 | 50 | 50 | 52 | 52 | 52 | 52 | 50 | 52 | 54 | 52 | 54 | 57 | 55 | 52 | 48 | 48 | 54 | 52 | 52 | 54 | 54 | 54 | 55 | 55 | 57 | 57 | 59 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 54 | 52 | 50 | 52 | 48 | 48 | 50 | 52 | 55 | 50 | 46 | 48 | 50 | 54 | 50 | 52 | 52 | 50 | 48 |
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Live Wave Height (ft)
Live Wind Speed (mph)
Surf Rating (10 Max)
Ocean Swells (ft)- Wind Speed (mph)
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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