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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 am 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
11.2° C
(Which is 1.3°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | 1.5ft (0.4m) | 3s |
| Evening (05 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 ForecastMostly dry. Very mild (max 12°C on Thu afternoon, min 8°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
N 4 | — | — | — | NW 2 | NNW 3 | NNW 3 | NNW 4 | NNW 5 | NW 5 | NNW 5 | NNW 4 | NW 4 | — | — | — | — | — | SE 3 | SSE 3 | S 3 | W 8 | W 8 | W 8 | |
2 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | glassy | cross-off | cross-off | cross-off | glassy | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | |
High Tide | 11:04PM3.52m | 11:25AM3.27m | 11:38PM3.37m | 11:59AM3.06m | 00:15AM3.19m | 12:37PM2.83m | ||||||||||||||||||
Low Tide | 6:06AM0.61m | 6:17PM0.84m | 6:45AM0.78m | 6:55PM1.00m | 7:29AM0.96m | 7:39PM1.15m | ||||||||||||||||||
 | |  |  | | |  | | |  | | | | | | | | | | | | | |  | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 12 | 12 | 12 |
6 | 6 | 6 | 7 | 6 | 4 | 5 | 5 | 4 | 5 | 6 | 6 | 6 | 8 | 9 | 6 | 6 | 4 | 4 | 5 | 6 | 8 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | NNW 3 | — | — | — | — | — | — | — | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 |
 kJ | 1 | — | — | — | — | — | — | — | 5 | 5 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | — | — | NW 2 | NNW 3 | NNW 3 | NNW 4 | — | — | — | — | — | — | — | — | — | — | SE 3 | SSE 3 | S 3 | S 3 | SSW 3 | SSW 3 |
| kJ | 2 | — | — | — | 2 | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 287 | 323 | 411 | 313 | 321 | 375 | 299 | 287 | 285 | 285 | 285 | 299 | 285 | 285 | 285 | 298 | 306 | 309 | 308 | 321 | 282 | 282 | 282 | 282 |
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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