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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 Thursday 30 Apr 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
11.3° C
(Which is 1.8°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 12AM is: 0.1m 11s primary swell from a West direction (forecast issued at 06:00pm April 30). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | - | - |
| Afternoon (01 May) | 0.5ft (0.1m) | 11s |
| Evening (01 May) | 0.5ft (0.1m) | 11s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 15mm), heaviest on Sat afternoon. Very mild (max 19°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 17 | 14 | 16 | 10 | 10 | 10 | 4 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | on | cross-on | cross-on | |
High Tide | 8:52PM3.53m | 9:07AM3.66m | 9:25PM3.63m | 9:42AM3.65m | 9:58PM3.66m | 10:16AM3.58m | ||||||||||||||||||
Low Tide | 3:36PM0.25m | 3:51AM0.36m | 4:09PM0.30m | 4:25AM0.35m | 4:40PM0.40m | 4:57AM0.39m | ||||||||||||||||||
 |  |  |  |  |  | | | | | | | | | | |  | |  | | | | | | |
 | — | — | — | — | 5:46 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — |
 | — | 8:43 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:46 | — | — | — | — | — | 8:47 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | 3 | 3 | 2 | 1 | — | |
Temp °C | 19 | 19 | 16 | 15 | 15 | 12 | 12 | 12 | 13 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 |
14 | 14 | 12 | 11 | 12 | 9 | 9 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 7 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | — | — | — | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
 kJ | 2 | 2 | 2 | — | — | — | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 17 | 14 | 16 | 10 | 10 | 10 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 11 | W 11 | W 10 | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 2 | 2 | 2 | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 4 | SSE 4 | SE 4 | SE 3 | SE 3 | SSE 3 | S 3 | SSW 3 | SSW 3 | SW 3 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | — | — | — | — | — | — | — | — |
| kJ | 14 | 12 | 9 | 2 | 2 | 2 | 2 | 3 | 2 | 3 | 6 | 10 | 13 | 14 | 17 | 17 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 287 | 212 | 198 | 202 | 202 | 151 | 169 | 262 | 282 | 270 | 200 | 200 | 151 | 151 | 203 | 282 | 151 | 150 | 285 | 285 | 285 | 282 | 287 | 293 |
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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