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Cable Bay (Porth Trecastell) Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Surf Forecasts:
Cable Bay (Porth Trecastell) surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 6 am Friday 03 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Cable Bay (Porth Trecastell) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Cable Bay (Porth Trecastell) sea temperature is
9.0° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Cable Bay (Porth Trecastell) today?
The current surf forecast for Cable Bay (Porth Trecastell) at 12PM is: 2.4m 7s primary swell from a Southwest direction (forecast issued at 06:00am April 03). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Apr) | 7ft (2.1m) | 7s |
| Afternoon (03 Apr) | 7.5ft (2.3m) | 7s |
| Evening (03 Apr) | 4.5ft (1.4m) | 8s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 03 | Saturday 04 | Sunday 05 | Mon 06 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 6 | 8 | 8 | 9 | 9 | 9 | 10 | 6 | 6 | 6 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 495 | 440 | 385 | 653 | 496 | 321 | 196 | 128 | 91 | 77 | 86 | 466 | 1052 | 2049 | 2238 | 1246 | 626 | 794 | 301 | 304 | 197 | 147 | 110 | 75 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:50AM 4.24 | 11:08PM 4.03 | 11:23AM 4.12 | 11:39PM 3.96 | 11:57AM 3.93 | 12:10AM 3.81 | ||||||||||||||||||
Low Tide / height (m) | 5:19AM 0.12 | 5:39PM 0.07 | 5:52AM 0.19 | 6:11PM 0.27 | 6:25AM 0.33 | 6:42PM 0.51 | ||||||||||||||||||
Friday 03 | Saturday 04 | Sunday 05 | Mon 06 | |||||||||||||||||||||
| Sunrise | - | 6:48 | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:59 | - | - |
 |  | |  | |  |  | |  |  | | | | | | |  | | |  | | | | | |
Rain (mm) | 1 | - | - | 1 | 1 | - | - | - | - | 1 | - | - | - | - | 1 | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 9 | 10 | 10 | 11 | 11 | 9 | 8 | 8 | 8 | 6 | 9 | 10 | 10 | 10 | 8 | 6 | 7 | 6 | 5 | 7 | 8 | 8 | 8 | 8 |
| Feels °C (?) | 1 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 4 | 3 | 1 | 0 | -1 | -3 | -6 | -5 | -1 | 0 | -2 | -2 | 0 | 3 | 4 | 5 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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