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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 am Friday 01 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
11.3° C
(Which is 1.7°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 11AM is: 0.1m 10s primary swell from a West direction (forecast issued at 06:00am May 01). An open ocean swell of 0.3m 3s 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) | 0.5ft (0.1m) | 10s |
| Afternoon (01 May) | 0.5ft (0.1m) | 10s |
| 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 12mm), heaviest on Sat night. Very mild (max 13°C on Sat afternoon, min 10°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 11 | W 10 | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 10 | SSW 4 | W 10 | W 9 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SW 5 | SW 5 | |
2 | 2 | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | 0 | 2 | 2 | 4 | 7 | 7 | 8 | 8 | 4 | 4 | 4 | 2 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | on | glassy | cross | glassy | cross | |
High Tide | 9:07AM3.66m | 9:25PM3.63m | 9:42AM3.65m | 9:58PM3.66m | 10:16AM3.58m | 10:31PM3.63m | ||||||||||||||||||
Low Tide | 4:09PM0.30m | 4:25AM0.35m | 4:40PM0.40m | 4:57AM0.39m | 5:11PM0.53m | |||||||||||||||||||
 |  | |  | | | | |  | | | | |  |  | | | | | | | | | | |
 | 5:46 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | 5:39 |
 | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:46 | — | — | — | — | — | — | — | 8:47 | — | 8:50 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 3 | 2 | — | — | — | — | — | 1 | |
Temp °C | 16 | 14 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 12 | 13 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 |
14 | 11 | 9 | 10 | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 9 | 11 | 9 | 10 | 8 | 8 | 7 | 7 | 7 | 9 | 8 | 10 | 8 | |
Swell 1 Height (m) Direction Period (s) | — | — | W 10 | W 10 | W 10 | W 12 | W 11 | W 11 | W 11 | W 10 | — | W 10 | SW 5 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SW 5 | SW 5 |
 kJ | — | — | 2 | 2 | 2 | 3 | 2 | 2 | 2 | 2 | — | 2 | 1 | 4 | 7 | 7 | 8 | 8 | 4 | 4 | 4 | 2 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 10 | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 3 | SSW 3 | SSW 3 | SSW 3 | SW 3 | SSW 3 | SW 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | — | — | — | — | — | — | — | — | NNW 3 | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 2 | 5 | 7 | 7 | 9 | 7 | 5 | 6 | — | — | — | — | — | — | — | — | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 223 | 151 | 262 | 268 | 282 | 282 | 261 | 200 | 264 | 229 | 203 | 289 | 269 | 269 | 269 | 287 | 287 | 282 | 286 | 287 | 302 | 420 | 320 | 308 |
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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