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:
Trecco Bay surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 11 pm Friday 19 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Trecco Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trecco Bay sea temperature is
10.1° C
(Which is slightly cooler than normal)How big are the waves at Trecco Bay today?
The current surf forecast for Trecco Bay at 6AM is: 1.3m 14s primary swell from a West-southwest direction and 0.2m 2s secondary swell from a South-southeast direction (forecast issued at 11:00pm December 19). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 4.5ft (1.4m) | 13s |
| Afternoon (20 Dec) | 4.5ft (1.4m) | 10s |
| Evening (20 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Trecco Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| 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) (?) | 15 | 15 | 14 | 14 | 13 | 9 | 10 | 11 | 12 | 11 | 12 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1328 | 1145 | 822 | 653 | 659 | 194 | 371 | 466 | 549 | 573 | 500 | 1606 | 1488 | 1393 | 1161 | 857 | 706 | 508 | 378 | 336 | 246 | 261 | 167 | 161 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:02PM 7.70 | 6:20AM 7.94 | 6:39PM 7.87 | 6:56AM 8.11 | 7:15PM 7.95 | 7:32AM 8.19 | ||||||||||||||||||
Low Tide / height (m) | 12:05AM 1.50 | 12:27PM 1.38 | 12:41AM 1.35 | 1:03PM 1.27 | 1:16AM 1.27 | 1:39PM 1.24 | ||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:17 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - |
 | | | |  | |  |  |  | |  | |  |  | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | - | - | - | - | 1 | 1 | - | - | 2 | 2 | - | - | - | - | - |
| Temp. °C | 9 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 10 | 9 | 8 | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 |
| Feels °C (?) | 5 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 2 | 5 | 4 | 4 | 3 | 4 | 2 | 3 | 4 | 4 | 7 | 6 | 6 | 6 | 7 | 6 |
- 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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