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Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm Thursday 18 Sep 2025 BST
How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 8PM is: 1.6m 7s primary swell from a Southwest direction and 0.4m 11s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 18). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 5ft (1.5m) | 11s |
| Evening (18 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| 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) (?) | 11 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 515 | 255 | 255 | 306 | 311 | 261 | 188 | 226 | 175 | 181 | 148 | 120 | 83 | 70 | 53 | 31 | 30 | 37 | 0 | 0 | 7 | 14 | 13 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | glass | glass | cross- off | cross- off | on | on | cross- on | cross- off | cross- off | cross- off | cross | cross | cross |
High Tide / height (m) | 6:36PM 3.43 | 7:07AM 3.29 | 7:22PM 3.75 | 7:47AM 3.54 | 8:01PM 4.00 | 8:23AM 3.75 | ||||||||||||||||||
Low Tide / height (m) | 1:23PM 0.94 | 1:56AM 0.55 | 2:08PM 0.68 | 2:37AM 0.33 | 2:45PM 0.49 | 3:11AM 0.21 | ||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | - | 7:01 | - |
| Sunset | - | 7:27 | - | - | - | - | - | - | - | 7:23 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - | - |
 |  |  |  | | | | | | | | |  |  |  |  | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 6 | 2 | 3 | 2 | 2 | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 14 | 13 | 12 | 12 | 11 | 12 | 11 | 12 | 13 |
| Feels °C (?) | 14 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 14 | 15 | 16 | 17 | 17 | 16 | 15 | 9 | 8 | 8 | 9 | 9 | 11 | 7 | 6 | 6 |
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Mid
The wind is still cross-off at Llangrannog (moderate winds from the S at Aberporth 7 km from Llangrannog). 1.9m 7s swell from the SW with a 0.4m 11s groundswell from the W. 2 swells combining to make bigger set waves.
1 h 19 min ago
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