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Surf Forecasts:
Grunta Beach surfForecast / Devon (North) / UK
48hr Weather and Surf, issued 11 pm Sunday 07 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Grunta Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Grunta Beach sea temperature is
11.9° C
(Which is slightly warmer than usual)How big are the waves at Grunta Beach today?
The current surf forecast for Grunta Beach at 6AM is: 2.5m 11s primary swell from a West-southwest direction and 0.2m 23s secondary swell from a West direction (forecast issued at 11:00pm December 07). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 8ft (2.5m) | 11s |
| Afternoon (08 Dec) | 8ft (2.5m) | 12s |
| Evening (08 Dec) | 10ft (3.0m) | 17s |
Table - waves today at Grunta Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 18 | 17 | 17 | 16 | 16 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1952 | 1609 | 1596 | 1599 | 1520 | 1284 | 1960 | 6257 | 5592 | 5068 | 5197 | 6471 | 4357 | 5612 | 4320 | 4218 | 3791 | 3150 | 2684 | 2013 | 1702 | 972 | 1160 | 276 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on |
High Tide / height (m) | 7:43PM 8.98 | 8:02AM 9.05 | 8:32PM 8.62 | 8:52AM 8.68 | 9:23PM 8.18 | 9:43AM 8.25 | ||||||||||||||||||
Low Tide / height (m) | 1:42AM 1.27 | 2:14PM 1.37 | 2:30AM 1.65 | 3:06PM 1.78 | 3:19AM 2.10 | 3:59PM 2.22 | ||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:08 | - |
 |  |  | |  |  | |  | | | | |  | | | | | | | |  | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | 3 | 4 | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 12 | 13 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 |
| Feels °C (?) | 6 | 5 | 5 | 4 | 6 | 6 | 7 | 6 | 9 | 4 | 1 | 3 | 3 | 3 | 5 | 4 | 4 | 4 | 5 | 4 | 5 | 5 | 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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