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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 Saturday 25 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
10.6° C
(Which is 1.4°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: 0.6m 11s primary swell from a Southwest direction (forecast issued at 12:00am April 25). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | 2ft (0.6m) | 10s |
| Afternoon (25 Apr) | 2ft (0.6m) | 10s |
| Evening (25 Apr) | 1.5ft (0.5m) | 10s |
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 16°C on Fri night, min 11°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 11 | SW 11 | SW 10 | SW 11 | SW 10 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 7 | |
94 | 90 | 89 | 90 | 89 | 69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 9 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-on | on | glassy | glassy | glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 3:45AM2.98m | 4:57PM2.61m | 5:17AM3.03m | 6:15PM2.76m | 6:23AM3.19m | 7:05PM2.96m | ||||||||||||||||||
Low Tide | 10:25PM1.17m | 11:20AM0.80m | 11:45PM1.12m | 12:34PM0.66m | 00:54AM0.94m | 1:33PM0.48m | ||||||||||||||||||
 |  |  |  | | |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:34 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 13 | 13 | 11 |
12 | 11 | 11 | 12 | 11 | 12 | 12 | 12 | 13 | 11 | 10 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 7 | 8 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 10 | SW 11 | SW 10 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 7 |
 kJ | 94 | 90 | 89 | 90 | 89 | 69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 9 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 3 | NNW 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 2 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 13 | 28 | 14 | 14 | 28 | 28 | 13 | 13 | 13 | 13 | 13 | 120 | 120 | 120 | 127 | 151 | 141 | 141 | 120 | 120 | 127 | 127 | 145 | 309 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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