Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Cable Bay (Porth Trecastell) surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 11 pm Friday 26 Dec 2025 GMTForecast 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
10.3° C
(Which is slightly warmer than usual)| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Dec) | - | - |
| Afternoon (27 Dec) | - | - |
| Evening (27 Dec) | 0.5ft (0.1m) | 14s |
Table - waves today at Cable Bay (Porth Trecastell). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 14 | 14 | 13 | 4 | 13 | 5 | 4 | 4 | 16 | 4 | 2 | 3 | 14 | 14 | 2 | 3 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 7 | 0 | 3 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 8 | 4 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | off | off | off | off | off | off | off |
High Tide / height (m) | 1:31AM 3.16 | 1:48PM 3.55 | 2:33AM 3.11 | 2:50PM 3.46 | 3:43AM 3.12 | 4:01PM 3.42 | ||||||||||||||||||
Low Tide / height (m) | 8:08PM 0.74 | 8:17AM 1.09 | 9:00PM 0.82 | 9:15AM 1.20 | 10:01PM 0.87 | 10:25AM 1.22 | ||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:32 | - | - | - | - | - | - | - | 8:32 | - | - | - | - | - | - | - | 8:32 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:07 | - |
 | | | |  | | | |  | | | |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 4 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 5 | 4 | 3 | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 |
| Feels °C (?) | -2 | -3 | -3 | -3 | -3 | -2 | -3 | -4 | -1 | -2 | -2 | -2 | -2 | -2 | -1 | -2 | -2 | -1 | -2 | -1 | -1 | -2 | -1 | -2 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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