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Surf Forecasts:
Pontllyfni surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Thursday 21 Aug 2025 BST
How big are the waves at Pontllyfni today?
The current surf forecast for Pontllyfni at 3AM is: 0.1m 6s primary swell from a Southwest direction and 0.2m 2s secondary swell from a North-northeast direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 0.5ft (0.1m) | 6s |
| Afternoon (21 Aug) | 0.5ft (0.1m) | 6s |
| Evening (21 Aug) | 0.5ft (0.1m) | 13s |
Table - waves today at Pontllyfni. (Swell directed towards the surf break)
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 3 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 16 | 16 | 12 | 12 | 12 | 12 | 12 | 10 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 2 | 2 | 3 | 1 | 1 | 1 | 1 | 6 | 4 | 3 | 3 | 8 | 8 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 3 | 3 | 3 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- off | cross- off | glass | glass | cross- on | cross- on | cross | cross- off | glass | glass | cross- on | cross- on | cross- on | glass | cross | cross- off | glass | glass | glass | glass | glass | cross- on |
High Tide / height (m) | 7:27PM 3.24 | 8:01AM 3.12 | 8:18PM 3.51 | 8:46AM 3.30 | 9:01PM 3.75 | 9:26AM 3.43 | ||||||||||||||||||
Low Tide / height (m) | 2:44AM 0.44 | 3:02PM 0.53 | 3:32AM 0.18 | 3:45PM 0.33 | 4:14AM 0.01 | 4:23PM 0.20 | ||||||||||||||||||
Thursday 21 | Friday 22 | Saturday 23 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:31 | - | - | - | - | - | - | - | 8:30 | - | - | - | - | - | - | - | 8:28 |
 | | |  | | |  | | | | | |  | | | | |  |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 13 | 12 | 11 | 14 | 16 | 17 | 15 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 17 | 18 | 19 | 18 |
| Feels °C (?) | 10 | 11 | 10 | 9 | 13 | 15 | 15 | 13 | 11 | 12 | 12 | 12 | 14 | 15 | 15 | 16 | 14 | 14 | 13 | 13 | 17 | 18 | 19 | 18 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
Continuing clean conditions at Pontllyfni (calm at Caernarfon Airport 6 km from Pontllyfni). 0.1m 5s windswell from the WSW to make surfable waves.
1 h 40 min ago
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