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Surf Forecasts:
St Agnes surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Friday 05 Dec 2025 GMTForecast update in hr min s Forecast update imminent
St Agnes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's St Agnes sea temperature is
12.5° C
(Which is slightly warmer than usual)How big are the waves at St Agnes today?
The current surf forecast for St Agnes at 3PM is: 3.5m 9s primary swell from a Southwest direction and 1.9m 15s secondary swell from a West-northwest direction (forecast issued at 11:00am December 05). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | 10ft (3.0m) | 15s |
| Afternoon (05 Dec) | 11ft (3.5m) | 9s |
| Evening (05 Dec) | 16ft (5.0m) | 12s |
Table - waves today at St Agnes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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) (?) | 15 | 16 | 9 | 11 | 12 | 13 | 14 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 11 | 12 | 12 | 12 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4836 | 2662 | 1761 | 4638 | 7341 | 10340 | 15565 | 24673 | 32705 | 32347 | 27441 | 22899 | 15590 | 11819 | 8242 | 7751 | 7436 | 5936 | 6123 | 3782 | 3045 | 2098 | 2297 | 2413 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:06PM 6.56 | 5:28AM 6.70 | 5:54PM 6.51 | 6:16AM 6.65 | 6:42PM 6.30 | |||||||||||||||||||
Low Tide / height (m) | 11:05AM 0.07 | 11:27PM 0.13 | 11:55AM 0.02 | 12:15AM 0.20 | 12:44PM 0.13 | 1:03AM 0.39 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | 8:03 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:17 | - | - | - | - | - |
 | |  |  |  |  | | | |  |  |  | | | | | | | | | | | | | |
Rain (mm) | 1 | 4 | 6 | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | 4 | 2 | 3 | 1 | - | - | - | - | - | 1 |
| Temp. °C | 9 | 10 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 12 | 12 | 11 | 12 | 13 | 14 |
| Feels °C (?) | 1 | -1 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 6 | 7 | 7 | 8 | 8 | 6 | 4 | 5 | 7 | 6 | 6 | 7 | 7 |
- 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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