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Surf Forecasts:
Pontllyfni surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Friday 17 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Pontllyfni surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pontllyfni sea temperature is
10.0° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Pontllyfni today?
The current surf forecast for Pontllyfni at 10PM is: 1.8m 7s primary swell from a Southwest direction (forecast issued at 06:00pm April 17). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | - | - |
| Afternoon (17 Apr) | 6ft (1.8m) | 6s |
| Evening (17 Apr) | 6ft (1.8m) | 7s |
Table - waves today at Pontllyfni. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| 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) (?) | 6 | 7 | 7 | 7 | 6 | 5 | 5 | 6 | 10 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 16 | 9 | 6 | 6 | 6 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 248 | 312 | 298 | 208 | 153 | 90 | 62 | 39 | 38 | 25 | 20 | 15 | 14 | 9 | 5 | 5 | 5 | 5 | 5 | 2 | 1 | 1 | 1 | 4 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | glass | glass | cross- off | glass | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 9:29PM 3.90 | 9:46AM 4.16 | 10:08PM 4.02 | 10:28AM 4.14 | 10:48PM 4.01 | 11:11AM 3.99 | ||||||||||||||||||
Low Tide / height (m) | 4:12PM -0.14 | 4:28AM 0.01 | 4:53PM -0.13 | 5:11AM -0.03 | 5:35PM 0.01 | 5:56AM 0.03 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - |
| Sunset | - | 8:19 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - |
 | |  | | |  |  | | | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 10 | 9 | 8 | 8 | 7 | 9 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 10 | 12 |
| Feels °C (?) | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | 5 | 6 | 6 | 6 | 6 | 4 | 7 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 6 | 8 |
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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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