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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 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 1.5°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 12PM is: 0.1m 11s primary swell from a Southwest direction and 0.2m 4s secondary swell from a South-southeast direction (forecast issued at 06:00am April 23). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be 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) | 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 Thu afternoon, min 10°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSE 4 | ESE 4 | 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 | SW 10 | SW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SW 10 | |
1 | 0 | 5 | 4 | 29 | 50 | 60 | 46 | 46 | 84 | 104 | 97 | 96 | 94 | 94 | 94 | 90 | 87 | 87 | 72 | 69 | 48 | 47 | 45 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-off | cross-off | off | glassy | cross-on | glassy | glassy | glassy | glassy | |
High Tide | 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 | 11:45PM1.12m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | 5:56 |
 | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:34 | — | 8:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 10 | 10 | 13 | 16 | 16 | 15 | 13 | 12 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 13 | 13 | 13 | 13 |
4 | 5 | 6 | 10 | 14 | 13 | 12 | 10 | 9 | 9 | 10 | 11 | 12 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 11 | 11 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SSE 4 | — | SSE 4 | SSE 4 | 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 | SW 10 | SW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SW 10 |
 kJ | 1 | — | 2 | 1 | 29 | 50 | 60 | 46 | 46 | 84 | 104 | 97 | 96 | 94 | 94 | 94 | 90 | 87 | 87 | 72 | 69 | 48 | 47 | 45 |
Swell 2 Height (m) Direction Period (s) | — | — | SW 11 | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | S 6 | S 6 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 4 | SE 4 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | — | — | — | ESE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 3 | 5 | 1 | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 377 | 377 | 379 | 499 | 14 | 14 | 28 | 31 | 31 | 14 | 13 | 28 | 13 | 13 | 13 | 13 | 13 | 14 | 13 | 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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