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Surf Forecasts:
Llangrannog surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 am Friday 12 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
10.9° C
(Which is normal for this time of year)How big are the waves at Llangrannog today?
The current surf forecast for Llangrannog at 4PM is: 0.8m 18s primary swell from a West-southwest direction and 1.1m 13s secondary swell from a West-southwest direction, 0.5m 4s secondary swell from a West-southwest direction (forecast issued at 11:00am December 12). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Dec) | 4.5ft (1.4m) | 14s |
| Afternoon (12 Dec) | 2.5ft (0.8m) | 18s |
| Evening (12 Dec) | 2.5ft (0.7m) | 18s |
Table - waves today at Llangrannog. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 18 | 18 | 18 | 18 | 12 | 16 | 12 | 5 | 6 | 7 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 756 | 537 | 442 | 427 | 307 | 1165 | 350 | 705 | 309 | 98 | 223 | 394 | 517 | 699 | 769 | 732 | 790 | 951 | 1083 | 1081 | 968 | 924 | 1090 | 1254 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | 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 | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:31PM 3.20 | 2:19AM 2.72 | 2:45PM 3.05 | 3:34AM 2.77 | 3:54PM 3.03 | 4:34AM 2.92 | ||||||||||||||||||
Low Tide / height (m) | 7:59AM 1.22 | 8:54PM 1.01 | 9:02AM 1.31 | 9:55PM 1.08 | 10:09AM 1.32 | 10:53PM 1.10 | ||||||||||||||||||
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||||||||||
| Sunrise | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - |
 |  | |  |  |  | | | | | | | | | | | | | |  | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | 3 | 6 |
| Temp. °C | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 6 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 5 | 4 | 3 | 3 | 1 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 2 | 2 | 1 | 2 |
- 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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