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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 pm Sunday 22 Feb 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
7.4° C
(Which is normal for this time of year)How big are the waves at Porth Dinllaen today?
The current surf forecast for Porth Dinllaen at 6AM is: 1.8m 7s primary swell from a Southwest direction (forecast issued at 11:00pm February 22). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Feb) | 5.5ft (1.7m) | 6s |
| Afternoon (23 Feb) | 4.5ft (1.4m) | 6s |
| Evening (23 Feb) | 4.5ft (1.3m) | 6s |
Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 12 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 420 | 383 | 330 | 278 | 229 | 172 | 147 | 131 | 114 | 161 | 184 | 170 | 152 | 145 | 155 | 199 | 255 | 147 | 141 | 153 | 138 | 527 | 447 | 361 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 11:52PM 3.47 | 12:14PM 3.58 | 12:40AM 3.24 | 1:09PM 3.23 | 1:40AM 2.98 | 2:21PM 2.90 | ||||||||||||||||||
Low Tide / height (m) | 6:38PM 0.41 | 6:50AM 0.62 | 7:25PM 0.72 | 7:44AM 0.88 | 8:25PM 1.03 | 9:01AM 1.10 | ||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:18 | - | - | - | - | - | - | - | 7:16 | - | - | - | - | - | - | - | 7:15 | - | - | - |
| Sunset | - | - | - | - | - | - | 5:44 | - | - | - | - | - | - | - | 5:45 | - | - | - | - | - | - | - | 5:47 | - |
 | | |  |  |  |  |  | | |  | |  | | | |  | | | | | | | | |
Rain (mm) | 1 | 1 | 1 | - | - | - | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 9 | 9 | 9 | 9 | 10 | 12 | 12 | 11 | 10 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 0 | 0 | 1 | 1 | 1 | 3 | 4 | 4 | 5 | 4 | 2 | 2 | 2 | 2 | 4 | 5 | 4 | 3 | 4 | 4 | 3 | 5 | 6 | 7 |
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