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Surf Forecasts:
Porth Dinllaen surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 11 pm Monday 08 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Porth Dinllaen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Dinllaen sea temperature is
10.6° C
(Which is normal for this time of year)Updates in hr min s Forecast update imminent
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 11 | 10 | 10 | 9 | 10 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 6 | 7 | 7 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 639 | 441 | 284 | 1174 | 1970 | 2274 | 5020 | 5478 | 3794 | 3263 | 2349 | 2008 | 1661 | 1361 | 1177 | 956 | 814 | 743 | 265 | 363 | 452 | 587 | 601 | 673 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 10:59PM 3.39 | 11:18AM 3.76 | 11:51PM 3.10 | 12:12PM 3.52 | 12:50AM 2.84 | 1:12PM 3.27 | ||||||||||||||||||
Low Tide / height (m) | 6:05AM 0.53 | 6:44PM 0.28 | 6:54AM 0.73 | 7:39PM 0.50 | 7:47AM 0.93 | |||||||||||||||||||
Mon 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:19 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:01 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - |
 | |  | |  |  | |  | | | |  |  | | | | | | | |  | | | | |
Rain (mm) | 2 | 1 | 10 | 8 | 2 | 7 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 13 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 |
| Feels °C (?) | 7 | 6 | 2 | 3 | 4 | 1 | -1 | 0 | 0 | 1 | 3 | 1 | 1 | 3 | 2 | 3 | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 3 |
- 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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