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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 11 am Friday 27 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
9.2° C
(Which is 1.3°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 4PM is: 0.6m 6s primary swell from a Southwest direction and 0.1m 22s secondary swell from a West direction, 0.6m 4s secondary swell from a West-northwest direction (forecast issued at 11:00am March 27). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | 4ft (1.2m) | 6s |
| Afternoon (27 Mar) | 2.5ft (0.7m) | 6s |
| Evening (27 Mar) | 4ft (1.2m) | 5s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 5 | 6 | 7 | 8 | 8 | 8 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 96 | 60 | 35 | 23 | 73 | 131 | 173 | 192 | 247 | 223 | 158 | 101 | 88 | 51 | 23 | 66 | 209 | 481 | 645 | 356 | 328 | 165 | 229 | 213 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | on | on | cross- on | cross- on | on | on | on | on | on | on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:02PM 2.61 | 4:35AM 2.91 | 5:34PM 2.76 | 5:49AM 3.17 | 6:30PM 2.99 | |||||||||||||||||||
Low Tide / height (m) | 10:38AM 1.00 | 11:13PM 1.18 | 12:00PM 0.76 | 12:24AM 0.92 | 1:01PM 0.46 | 1:17AM 0.64 | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| Sunrise | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | 5:58 |
| Sunset | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - |
 |  | |  |  |  |  |  |  | | |  | | | | | | | | | | | | | |
Rain (mm) | 2 | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | 2 | - | - | - | - | - | - |
| Temp. °C | 8 | 8 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 9 | 11 | 9 | 8 | 8 | 8 |
| Feels °C (?) | 3 | 2 | 4 | 0 | -3 | -2 | -4 | -5 | -4 | -4 | -2 | 1 | 1 | 0 | 0 | -1 | -2 | -3 | -1 | 4 | 1 | 0 | 0 | 0 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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