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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 Sunday 26 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
11.0° 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 4PM is: 0.4m 9s primary swell from a Southwest direction (forecast issued at 12:00pm April 26). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | 1.5ft (0.4m) | 9s |
| Afternoon (26 Apr) | 1.5ft (0.4m) | 9s |
| Evening (26 Apr) | 1.5ft (0.4m) | 8s |
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 13°C on Sun morning, min 9°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 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 |    |    |    |    | ||||||||||||||||||||
SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | N 4 | WSW 8 | WSW 8 | WSW 8 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | |
28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 8 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross-off | cross-off | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | |
High Tide | 6:15PM2.76m | 6:23AM3.19m | 7:05PM2.96m | 7:12AM3.36m | 7:44PM3.18m | |||||||||||||||||||
Low Tide | 12:34PM0.66m | 00:54AM0.94m | 1:33PM0.48m | 1:49AM0.73m | 2:20PM0.34m | 2:35AM0.55m | ||||||||||||||||||
 | | | |  | |  |  | | | | | | | | | | | |  | | | | | |
 | 5:56 | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:39 | — | — | — | 8:40 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 11 | 12 | 12 | 12 | 11 | 11 | 11 | 12 | 10 | 10 | 11 | 13 | 13 | 12 | 10 | 9 | 9 |
10 | 10 | 10 | 11 | 11 | 12 | 11 | 9 | 8 | 7 | 6 | 6 | 7 | 8 | 8 | 5 | 5 | 6 | 8 | 9 | 8 | 5 | 4 | 3 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | NNW 5 | NW 5 | NW 5 | NNW 5 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
 kJ | 28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 8 | 7 | 7 | 2 | 5 | 5 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | NNW 4 | — | — | W 14 | — | W 13 | W 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 6 | 6 | 6 | 2 | — | — | 4 | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | W 15 | W 15 | W 14 | — | W 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | 4 | 4 | 4 | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | N 3 | NNW 3 | N 4 | — | — | — | NNE 2 | — | ENE 2 | NNE 2 | — | NE 2 | NE 2 |
| kJ | — | — | — | — | — | — | — | — | — | 3 | 5 | 5 | 3 | 8 | — | — | — | 1 | — | 1 | 1 | — | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 120 | 120 | 148 | 127 | 127 | 120 | 127 | 127 | 141 | 141 | 309 | 309 | 309 | 150 | 148 | 150 | 150 | 127 | 127 | 127 | 141 | 127 | 141 | 282 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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