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Surf Forecasts:
Dinas Dinlle surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 11 pm Monday 15 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
10.4° 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 5AM is: 0.6m 8s primary swell from a Southwest direction and 0.2m 16s secondary swell from a West-southwest direction, 0.2m 2s secondary swell from a North-northwest direction (forecast issued at 11:00pm December 15). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 8s |
| Afternoon (16 Dec) | 1.5ft (0.4m) | 8s |
| Evening (16 Dec) | 2ft (0.6m) | 8s |
Table - waves today at Dinas Dinlle. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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) (?) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 4 | 5 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 10 | 21 | 21 | 9 | 9 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 76 | 58 | 43 | 41 | 31 | 25 | 21 | 21 | 40 | 24 | 119 | 498 | 843 | 1009 | 1227 | 1561 | 1108 | 673 | 499 | 502 | 288 | 314 | 365 | 296 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | glass | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | glass | cross | cross | cross- off | cross- off |
High Tide / height (m) | 6:05AM 2.95 | 6:21PM 3.02 | 6:46AM 3.11 | 7:03PM 3.12 | 7:23AM 3.25 | |||||||||||||||||||
Low Tide / height (m) | 12:36AM 0.90 | 1:00PM 0.98 | 1:20AM 0.84 | 1:44PM 0.84 | 2:00AM 0.77 | 2:23PM 0.71 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:25 | - | - | - | - | - | - | - | 8:26 | - | - | - | - | - | - | - | 8:26 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - |
 | |  | |  | |  | |  | | | |  | |  |  | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 4 | 12 | 6 | 1 | - | - | - | - |
| Temp. °C | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 10 |
| Feels °C (?) | 8 | 7 | 5 | 5 | 6 | 4 | 4 | 6 | 6 | 4 | 3 | 2 | 1 | 0 | -1 | 0 | 2 | 4 | 6 | 9 | 7 | 6 | 6 | 4 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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