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Porth Dinllaen Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Dinllaen surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 pm Monday 01 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
11.2° C
(Which is normal for this time of year)How big are the waves at Porth Dinllaen today?
The current surf forecast for Porth Dinllaen at 8PM is: 2.4m 10s primary swell from a Southwest direction (forecast issued at 05:00pm December 01). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Dec) | - | - |
| Afternoon (01 Dec) | 10ft (3.0m) | 9s |
| Evening (01 Dec) | 7ft (2.2m) | 10s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| 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) (?) | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 14 | 6 | 8 | 5 | 5 | 8 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1366 | 1491 | 908 | 733 | 670 | 576 | 461 | 407 | 278 | 84 | 67 | 65 | 40 | 190 | 247 | 106 | 114 | 28 | 278 | 412 | 575 | 314 | 244 | 262 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross- on | cross- on | cross |
High Tide / height (m) | 5:09PM 3.36 | 5:47AM 3.28 | 6:04PM 3.60 | 6:35AM 3.57 | 6:55PM 3.80 | 7:22AM 3.82 | ||||||||||||||||||
Low Tide / height (m) | 12:19AM 0.44 | 12:43PM 0.64 | 1:13AM 0.27 | 1:37PM 0.38 | 2:04AM 0.15 | |||||||||||||||||||
Monday 01 | Tuesday 02 | Wednesday 03 | Thursday 04 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:11 | - |
| Sunset | 4:06 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:04 | - | - | - | - | - | - | - |
 |  | |  |  | |  |  |  | | | | | | |  | | | | | |  |  | | |
Rain (mm) | 4 | 2 | 2 | - | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | 2 | 2 | 2 | 5 | 4 | - | - | - |
| Temp. °C | 13 | 12 | 9 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 8 |
| Feels °C (?) | 3 | 4 | -1 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 3 | 1 | 3 | 3 | 2 | 2 | 1 | 1 | -1 | -2 | 2 | 2 | 1 |
- 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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