- Forecast
- Maps
- Live
- Weather State
- Spot Information
Porth Dinllaen Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Dinllaen surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 11 am Thursday 26 Mar 2026 GMTForecast 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
9.4° 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 6PM is: 0.7m 4s primary swell from a Southwest direction (forecast issued at 11:00am March 26). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 2.5ft (0.8m) | 5s |
| Afternoon (26 Mar) | 1.5ft (0.4m) | 5s |
| Evening (26 Mar) | 3ft (0.9m) | 5s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 4 | 5 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 32 | 9 | 7 | 12 | 32 | 36 | 43 | 74 | 75 | 63 | 35 | 22 | 80 | 111 | 126 | 148 | 206 | 184 | 143 | 107 | 75 | 38 | 17 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross | cross- off | cross- off | cross | cross | cross | cross- on | on | on | on | on | on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross |
High Tide / height (m) | 2:13PM 2.73 | 2:52AM 2.83 | 4:02PM 2.61 | 4:35AM 2.91 | 5:34PM 2.76 | 5:49AM 3.17 | ||||||||||||||||||
Low Tide / height (m) | 9:03AM 1.01 | 9:43PM 1.28 | 10:38AM 1.00 | 11:13PM 1.18 | 12:00PM 0.76 | 12:24AM 0.92 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| Sunrise | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - |
 |  | | |  |  | | |  | | | |  | | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | 1 | - | 1 | 3 | 2 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 6 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 9 | 8 | 7 | 7 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 2 | 2 | 2 | 1 | 2 | 4 | 4 | 4 | 4 | 3 | 4 | 1 | -2 | -2 | -3 | -3 | -5 | -4 | -2 | -2 | -1 | 1 | 2 | 0 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porth Dinllaen surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest