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Surf Forecasts:
Sandy Mouth surfForecast / Cornwall (North) / UK
48hr Weather and Surf, issued 11 am Wednesday 10 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Sandy Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sandy Mouth sea temperature is
12.2° C
(Which is slightly warmer than usual)How big are the waves at Sandy Mouth today?
The current surf forecast for Sandy Mouth at 6PM is: 2.4m 12s primary swell from a West direction and 0.7m 16s secondary swell from a West direction (forecast issued at 11:00am December 10). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 10ft (3.0m) | 12s |
| Afternoon (10 Dec) | 8ft (2.5m) | 12s |
| Evening (10 Dec) | 7ft (2.2m) | 12s |
Table - waves today at Sandy Mouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 12 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 18 | 18 | 18 | 18 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2716 | 2214 | 1880 | 1549 | 1277 | 3236 | 2598 | 2042 | 1739 | 1942 | 2887 | 4310 | 4185 | 4072 | 3883 | 3851 | 4588 | 7420 | 7503 | 6843 | 5921 | 5313 | 4375 | 3438 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- on | cross- on | cross- on | on | cross- on | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 9:23AM 6.90 | 9:53PM 6.28 | 10:18AM 6.45 | 10:50PM 5.89 | 11:17AM 6.06 | 11:53PM 5.62 | ||||||||||||||||||
Low Tide / height (m) | 3:45PM 1.34 | 4:02AM 1.66 | 4:43PM 1.74 | 5:03AM 2.02 | 5:46PM 2.03 | |||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:12 | - | - | - | - | - | - | - | 4:12 | - | - | - | - | - | - | - | 4:12 | - | - | - | - | - |
 |  | |  | | |  | | |  | |  | |  |  |  | |  | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 8 | 3 | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 10 | 9 | 10 | 10 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 8 | 9 | 9 | 10 | 10 | 9 | 8 | 8 | 8 | 8 |
| Feels °C (?) | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 4 | 5 | 5 | 6 | 7 | 7 | 1 | 4 | 5 | 6 | 5 | 5 | 4 | 4 | 4 | 3 |
- 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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