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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Dinas Dinlle surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 am Saturday 20 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Dinas Dinlle surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dinas Dinlle sea temperature is
9.9° C
(Which is normal for this time of year)How big are the waves at Dinas Dinlle today?
The current surf forecast for Dinas Dinlle at 8AM is: 1.4m 8s primary swell from a Southwest direction (forecast issued at 05:00am December 20). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 4.5ft (1.4m) | 8s |
| Afternoon (20 Dec) | 5ft (1.5m) | 9s |
| Evening (20 Dec) | 5ft (1.6m) | 11s |
Table - waves today at Dinas Dinlle. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 253 | 302 | 221 | 251 | 328 | 432 | 548 | 487 | 324 | 292 | 188 | 125 | 79 | 64 | 62 | 37 | 36 | 35 | 34 | 24 | 24 | 23 | 16 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | glass | cross | glass | glass | glass |
High Tide / height (m) | 8:35AM 3.47 | 8:53PM 3.28 | 9:09AM 3.53 | 9:27PM 3.27 | 9:43AM 3.57 | 10:00PM 3.22 | ||||||||||||||||||
Low Tide / height (m) | 3:13AM 0.63 | 3:38PM 0.52 | 3:49AM 0.59 | 4:15PM 0.48 | 4:25AM 0.57 | 4:54PM 0.47 | ||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
| Sunrise | - | - | 8:27 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:29 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:01 | - | - | - |
 |  |  |  | | |  | | | |  | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 4 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 7 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 8 | 9 | 9 | 8 | 8 | 8 |
| Feels °C (?) | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 5 | 6 | 5 | 6 | 7 | 5 | 5 | 4 | 6 | 6 | 5 | 7 | 7 | 6 | 6 | 6 |
- 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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