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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 pm Monday 15 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Llangrannog surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llangrannog sea temperature is
11.0° C
(Which is normal for this time of year)How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 6AM is: 0.8m 14s primary swell from a West-southwest direction and 0.4m 10s secondary swell from a West-southwest direction, 0.4m 3s secondary swell from a North-northwest direction (forecast issued at 11:00pm December 15). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 1.5ft (0.5m) | 14s |
| Afternoon (16 Dec) | 1.5ft (0.5m) | 14s |
| Evening (16 Dec) | 1.5ft (0.4m) | 14s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| 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) (?) | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 6 | 8 | 8 | 9 | 10 | 10 | 11 | 21 | 20 | 20 | 19 | 19 | 19 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 105 | 204 | 207 | 213 | 98 | 97 | 98 | 100 | 64 | 69 | 70 | 219 | 499 | 711 | 1102 | 1378 | 1259 | 637 | 441 | 849 | 816 | 767 | 1157 | 705 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | off | cross- off |
High Tide / height (m) | 5:22AM 3.10 | 5:39PM 3.19 | 6:03AM 3.28 | 6:21PM 3.31 | 6:41AM 3.45 | |||||||||||||||||||
Low Tide / height (m) | 11:44PM 1.06 | 12:08PM 1.13 | 12:28AM 1.00 | 12:53PM 1.00 | 1:08AM 0.92 | 1:32PM 0.86 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:19 | - | - | - | - | - | - | - | 8:21 | - | - | - | - | - | - | - | 8:22 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:06 | - |
 | |  | |  |  | | |  | | |  | | | | | |  | | | | | | | |
Rain (mm) | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 8 | 5 | 1 | - | - | - | - |
| Temp. °C | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 6 | 6 | 6 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 9 | 10 |
| Feels °C (?) | 8 | 7 | 6 | 5 | 5 | 4 | 5 | 6 | 7 | 6 | 2 | 1 | 1 | 2 | 0 | 0 | 2 | 3 | 5 | 7 | 7 | 6 | 5 | 3 |
- Map Icons:
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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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