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:
Treyarnon surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Friday 19 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Treyarnon surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treyarnon sea temperature is
11.7° C
(Which is slightly warmer than usual)Nearby Cam: 9km away, Polzeath beach community Webcam
How big are the waves at Treyarnon today?
The current surf forecast for Treyarnon at 7PM is: 3.5m 15s primary swell from a West direction (forecast issued at 11:00am December 19). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Dec) | 15ft (4.5m) | 16s |
| Afternoon (19 Dec) | 13ft (4.0m) | 16s |
| Evening (19 Dec) | 10ft (3.0m) | 15s |
Table - waves today at Treyarnon. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 11 | 12 | 12 | 12 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 9407 | 8869 | 7621 | 6143 | 4467 | 3504 | 2689 | 2266 | 1264 | 1070 | 2574 | 2128 | 2069 | 2816 | 7263 | 6721 | 6491 | 5622 | 4650 | 3731 | 3170 | 2614 | 2157 | 1849 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | glass | on | glass | cross- on | on | cross- on |
High Tide / height (m) | 4:55PM 5.75 | 5:13AM 5.95 | 5:32PM 5.86 | 5:50AM 6.07 | 6:08PM 5.91 | |||||||||||||||||||
Low Tide / height (m) | 10:54AM 1.14 | 11:09PM 1.09 | 11:31AM 1.00 | 11:45PM 0.99 | 12:08PM 0.93 | 12:21AM 0.93 | ||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| Sunrise | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:15 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - |
 | | |  | | | | | |  |  |  |  |  | | | |  | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | 5 | 1 | 2 | - | - | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 11 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 8 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 |
| Feels °C (?) | 3 | 3 | 5 | 5 | 5 | 4 | 4 | 2 | 0 | 0 | 2 | 2 | 1 | 2 | 4 | 2 | 4 | 5 | 8 | 7 | 7 | 6 | 6 | 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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