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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 pm Sunday 29 Mar 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
9.2° C
(Which is 1.2°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 10PM is: 1.3m 8s primary swell from a Southwest direction and 0.9m 5s secondary swell from a West-northwest direction (forecast issued at 06:00pm March 29). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Mar) | - | - |
| Afternoon (29 Mar) | 7ft (2.2m) | 7s |
| Evening (29 Mar) | 4.5ft (1.3m) | 8s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| 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 | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 7 | 6 | 6 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 528 | 362 | 186 | 120 | 167 | 192 | 164 | 112 | 74 | 39 | 21 | 20 | 9 | 16 | 12 | 14 | 13 | 8 | 4 | 6 | 7 | 7 | 7 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross- off |
High Tide / height (m) | 7:30PM 2.99 | 7:40AM 3.45 | 8:11PM 3.23 | 8:21AM 3.69 | 8:47PM 3.44 | 8:58AM 3.85 | ||||||||||||||||||
Low Tide / height (m) | 2:01PM 0.46 | 2:17AM 0.64 | 2:48PM 0.20 | 3:01AM 0.39 | 3:29PM 0.03 | 3:40AM 0.23 | ||||||||||||||||||
Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:52 | - | - |
| Sunset | - | 7:45 | - | - | - | - | - | - | - | 7:47 | - | - | - | - | - | - | - | 7:50 | - | - | - | - | - | - |
 |  |  | |  | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 12 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 0 | 5 | 1 | 0 | 0 | -1 | -1 | 1 | 2 | 3 | 6 | 7 | 8 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 7 | 5 |
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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
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