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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 6 pm Tuesday 05 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
11.5° C
(Which is 1.6°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 3AM is: 0.4m 4s primary swell from a North-northwest direction (forecast issued at 06:00pm May 05). An open ocean swell of 0.2m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 11°C on Thu morning, min 9°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 5 | Wednesday 6 | Thursday 7 | Fri 8 | |||||||||||||||||||||
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 | |
Swell Height Map |  |    |    |    | ||||||||||||||||||||
NNW 3 | NNW 3 | NNW 3 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NW 4 | — | — | — | — | — | SSE 2 | S 3 | SSW 3 | W 8 | W 8 | W 8 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | |
4 | 4 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 9 | 6 | 5 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | off | glassy | on | |
High Tide | 11:38PM3.37m | 11:59AM3.06m | 00:15AM3.19m | 12:37PM2.83m | 00:56AM3.00m | |||||||||||||||||||
Low Tide | 6:17PM0.84m | 6:45AM0.78m | 6:55PM1.00m | 7:29AM0.96m | 7:39PM1.15m | 8:20AM1.12m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — |
 | — | 8:52 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — | — | — | — | — | 8:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 |
4 | 5 | 4 | 5 | 6 | 7 | 6 | 7 | 7 | 8 | 7 | 7 | 5 | 4 | 4 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | — | — | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NW 4 | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 | WSW 4 | SW 4 | SW 4 | SW 4 | WSW 4 |
 kJ | — | — | 2 | 4 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 6 | 4 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | SSE 2 | S 3 | SSW 3 | SSW 3 | SSW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 |
| kJ | 4 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 3 | 3 | 4 | 8 | 9 | 6 | 5 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 512 | 309 | 287 | 282 | 282 | 282 | 286 | 285 | 285 | 285 | 298 | 306 | 298 | 298 | 311 | 313 | 282 | 282 | 282 | 282 | 282 | 282 | 269 | 269 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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