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Dinas Dinlle Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Dinas Dinlle surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Wednesday 17 Sep 2025 BST
How big are the waves at Dinas Dinlle today?
The current surf forecast for Dinas Dinlle at 11PM is: 2.0m 7s primary swell from a Southwest direction (forecast issued at 06:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | - | - |
| Afternoon (17 Sep) | 8ft (2.4m) | 8s |
| Evening (17 Sep) | 7ft (2.1m) | 7s |
Table - waves today at Dinas Dinlle. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 754 | 589 | 444 | 314 | 216 | 143 | 103 | 325 | 377 | 341 | 357 | 408 | 420 | 277 | 183 | 151 | 132 | 123 | 101 | 67 | 65 | 54 | 39 | 20 |
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 | cross | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:25PM 2.97 | 7:12AM 2.85 | 7:23PM 3.25 | 7:57AM 3.07 | 8:07PM 3.51 | 8:33AM 3.28 | ||||||||||||||||||
Low Tide / height (m) | 1:38AM 0.66 | 1:58PM 0.79 | 2:30AM 0.38 | 2:45PM 0.53 | 3:13AM 0.16 | |||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - |
| Sunset | - | 7:29 | - | - | - | - | - | - | - | 7:27 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - |
 |  |  | | | |  | | | |  | | | | | | | |  | | | | |  | |
Rain (mm) | - | - | - | - | - | - | 4 | 1 | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 5 | 7 |
| Temp. °C | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
| Feels °C (?) | 11 | 10 | 11 | 10 | 10 | 11 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 8 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
The wind is still cross-on at Dinas Dinlle (moderate winds from the SSW at Caernarfon Airport 1 km from Dinas Dinlle). A 1.9m swell from the WSW
1 h 33 min ago
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