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Surf Forecasts:
Grunta Beach surfForecast / Devon (North) / UK
48hr Weather and Surf, issued 5 pm Tuesday 09 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 10PM is: 4.0m 14s primary swell from a West-southwest direction (forecast issued at 05:00pm December 09). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | 15ft (4.5m) | 14s |
| Evening (09 Dec) | 13ft (4.0m) | 14s |
Table - waves today at Grunta Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 15 | 14 | 13 | 13 | 12 | 12 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 7783 | 8556 | 6789 | 5146 | 4072 | 3070 | 2352 | 1488 | 1187 | 1343 | 1194 | 2612 | 2300 | 1872 | 1677 | 1517 | 1855 | 3594 | 3770 | 3528 | 3009 | 2488 | 2420 | 2606 |
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 | on | on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | on | cross- on | on | on |
High Tide / height (m) | 9:23PM 8.18 | 9:43AM 8.25 | 10:15PM 7.73 | 10:38AM 7.83 | 11:12PM 7.35 | 11:37AM 7.50 | ||||||||||||||||||
Low Tide / height (m) | 3:06PM 1.78 | 3:19AM 2.10 | 3:59PM 2.22 | 4:12AM 2.54 | 4:56PM 2.61 | 5:11AM 2.89 | ||||||||||||||||||
Tuesday 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - |
| Sunset | 4:08 | - | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:08 | - | - | - | - | - | - | - |
 |  | | |  | |  |  | | | | | | | | | |  | | |  |  |  | | |
Rain (mm) | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 2 | - | - | - |
| Temp. °C | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 12 | 12 | 12 | 12 | 12 | 10 | 9 | 10 | 10 |
| Feels °C (?) | 0 | 1 | 3 | 2 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 2 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 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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