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Surf Forecasts:
Trevone Bay surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Monday 08 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Trevone Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trevone Bay sea temperature is
12.1° C
(Which is slightly warmer than usual)How big are the waves at Trevone Bay today?
The current surf forecast for Trevone Bay at 3PM is: 4.0m 18s primary swell from a West direction and 1.4m 10s secondary swell from a Southwest direction (forecast issued at 11:00am December 08). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 8ft (2.5m) | 12s |
| Afternoon (08 Dec) | 13ft (4.0m) | 18s |
| Evening (08 Dec) | 13ft (4.0m) | 17s |
Table - waves today at Trevone Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 18 | 18 | 17 | 17 | 16 | 16 | 16 | 12 | 13 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 15 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1765 | 3442 | 11561 | 12324 | 10620 | 8423 | 6592 | 5547 | 4929 | 4911 | 4107 | 4347 | 5645 | 4392 | 2928 | 2508 | 2166 | 1565 | 1175 | 1010 | 1079 | 3390 | 3091 | 2060 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross | cross | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 7:14AM 6.74 | 7:41PM 6.26 | 8:03AM 6.43 | 8:31PM 5.86 | 8:55AM 6.04 | 9:25PM 5.46 | ||||||||||||||||||
Low Tide / height (m) | 1:40PM 0.41 | 1:58AM 0.71 | 2:32PM 0.75 | 2:49AM 1.07 | 3:26PM 1.13 | 3:43AM 1.43 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - | - | - | 4:15 | - | - | - | - | - |
 | | |  |  | |  | | | |  | |  | | | |  | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | 3 | 5 | 6 | - | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 6 | 8 | 8 | 8 | 5 | 3 | 3 | 3 | 3 | 3 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 7 | 6 | 6 | 5 |
- 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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