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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 Thursday 23 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 1.6°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 5AM is: 0.2m 4s primary swell from a South-southeast direction (forecast issued at 12:00am April 23). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | 0.5ft (0.1m) | 12s |
| Afternoon (23 Apr) | 1.5ft (0.4m) | 11s |
| Evening (23 Apr) | 2ft (0.6m) | 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 Thu afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSE 4 | SSE 4 | ESE 3 | SW 11 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | |
1 | 1 | 0 | 5 | 4 | 40 | 50 | 60 | 46 | 46 | 85 | 99 | 96 | 94 | 94 | 94 | 94 | 90 | 72 | 73 | 73 | 69 | 49 | 47 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | glassy | cross-on | cross-on | cross-off | off | off | off | glassy | glassy | cross-on | glassy | glassy | |
High Tide | 1:10AM3.40m | 1:50PM2.95m | 2:17AM3.13m | 3:13PM2.66m | 3:45AM2.98m | 4:57PM2.61m | ||||||||||||||||||
Low Tide | 8:43AM0.66m | 9:09PM1.06m | 9:59AM0.81m | 10:25PM1.17m | 11:20AM0.80m | |||||||||||||||||||
 |  |  |  | | | | | | | | | | | | |  | |  | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:34 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 10 | 10 | 10 | 13 | 16 | 16 | 15 | 13 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 13 | 14 | 13 |
5 | 5 | 5 | 6 | 10 | 13 | 13 | 12 | 10 | 9 | 8 | 9 | 11 | 12 | 12 | 12 | 11 | 10 | 9 | 10 | 11 | 10 | 13 | 11 | |
Swell 1 Height (m) Direction Period (s) | SSE 4 | SSE 4 | — | S 4 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 |
 kJ | 1 | 1 | — | 2 | 4 | 40 | 50 | 60 | 46 | 46 | 85 | 99 | 96 | 94 | 94 | 94 | 94 | 90 | 72 | 73 | 73 | 69 | 49 | 47 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 11 | S 6 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 5 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | — | ESE 3 | SE 4 | SE 4 | ESE 3 | SE 3 | SE 3 | — | — | — | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | 3 | 4 | 2 | 2 | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 378 | 377 | 377 | 531 | 499 | 14 | 31 | 28 | 31 | 13 | 87 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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