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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 12 pm Tuesday 26 May 2026 BSTForecast 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
12.8° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Porth Dinllaen today?
The current surf forecast for Porth Dinllaen at 7PM is: 0.4m 4s primary swell from a North-northwest direction and 0.1m 7s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a West direction (forecast issued at 12:00pm May 26). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 0.5ft (0.1m) | 12s |
| Afternoon (26 May) | 0.5ft (0.1m) | 12s |
| Evening (26 May) | 1.5ft (0.4m) | 4s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 24°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | NNW 4 | NNW 4 | SW 7 | W 13 | SW 7 | W 7 | W 7 | W 7 | W 18 | W 18 | W 18 | W 18 | W 17 | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | W 16 | SW 15 | |
3 | 3 | 3 | 4 | 5 | 2 | 3 | 2 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 10 | 5 | 5 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 6:27PM2.90m | 6:38AM3.18m | 7:10PM3.07m | 7:23AM3.24m | 7:48PM3.23m | |||||||||||||||||||
Low Tide | 12:54PM0.66m | 1:14AM0.91m | 1:45PM0.63m | 2:06AM0.79m | 2:29PM0.61m | 2:49AM0.69m | ||||||||||||||||||
 |  | | |  | | | | | | | |  |  | | | | |  | | |  | | | |
 | 5:05 | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — |
 | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:28 | — | — | — | 9:29 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 24 | 22 | 21 | 20 | 20 | 18 | 18 | 19 | 20 | 23 | 21 | 19 | 17 | 16 | 16 | 19 | 19 | 18 | 15 | 12 | 12 | 12 |
23 | 23 | 24 | 21 | 20 | 19 | 20 | 19 | 19 | 20 | 21 | 23 | 20 | 17 | 15 | 14 | 14 | 17 | 17 | 16 | 12 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | NW 4 | NW 5 | NNW 5 | NNW 5 | NW 5 | — | NW 4 | — | W 18 | — | — | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | W 16 | SW 15 |
 kJ | 2 | 2 | 2 | 2 | 2 | 5 | 6 | 5 | 2 | 1 | — | 1 | — | 6 | — | — | 5 | 5 | 5 | 5 | 10 | 5 | 5 | 9 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | SW 7 | SW 7 | SW 7 | — | — | W 7 | — | W 18 | — | W 18 | W 17 | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | — | — | 1 | — | 6 | — | 6 | 6 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 13 | — | W 7 | W 7 | — | W 18 | — | — | — | — | — | W 6 | W 6 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 3 | — | 1 | 1 | — | 6 | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NNW 3 | NNW 4 | NNW 4 | NE 2 | — | — | ESE 3 | ESE 3 | NW 4 | ESE 3 | SE 3 | SE 3 | SE 3 | SE 3 | SSE 3 | S 3 | SSW 3 | SSW 3 | SSW 4 | SSW 5 | SSW 5 | SW 5 |
| kJ | — | — | 1 | 4 | 5 | 1 | — | — | 3 | 2 | 1 | 1 | 2 | 3 | 4 | 2 | 2 | 1 | 1 | 6 | 35 | 40 | 40 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 145 | 141 | 141 | 141 | 141 | 141 | 127 | 127 | 229 | 215 | 198 | 151 | 215 | 215 | 203 | 203 | 295 | 295 | 291 | 270 | 311 | 311 | 150 | 321 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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