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Surf Forecasts:
Barmouth surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 5 am Thursday 11 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Barmouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Barmouth sea temperature is
9.4° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Barmouth today?
The current surf forecast for Barmouth at 8AM is: 1.8m 9s primary swell from a Southwest direction and 0.3m 14s secondary swell from a West-southwest direction (forecast issued at 05:00am December 11). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 6ft (1.8m) | 9s |
| Afternoon (11 Dec) | 6ft (1.8m) | 10s |
| Evening (11 Dec) | 5ft (1.6m) | 13s |
Table - waves today at Barmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 9 | 10 | 10 | 11 | 13 | 13 | 13 | 14 | 14 | 14 | 19 | 18 | 18 | 18 | 6 | 6 | 8 | 9 | 9 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 267 | 433 | 508 | 602 | 667 | 698 | 878 | 613 | 458 | 421 | 362 | 286 | 857 | 903 | 997 | 964 | 110 | 184 | 435 | 772 | 1033 | 1281 | 1255 | 1149 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross | glass | cross- on | on | on | on | on | on | on | cross- on | cross- on | cross- on | on | on | on | cross- on |
High Tide / height (m) | 12:27AM 4.14 | 12:47PM 4.44 | 1:20AM 3.87 | 1:42PM 4.17 | 2:21AM 3.69 | 2:45PM 3.99 | ||||||||||||||||||
Low Tide / height (m) | 7:35AM 1.71 | 8:27PM 1.53 | 8:37AM 1.88 | 9:37PM 1.64 | 9:49AM 1.96 | 10:47PM 1.66 | ||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | Sun 14 | |||||||||||||||||||||
| Sunrise | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - |
 |  |  |  | |  | | | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | 1 | 2 | 3 | - | - | - | 1 | 1 | - | - | - | - | - | - | - | 1 | 5 |
| Temp. °C | 10 | 10 | 9 | 11 | 12 | 11 | 11 | 10 | 8 | 8 | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 3 | 3 | 3 | 3 | 6 | 5 | 6 | 8 | 5 | 6 | 6 | 6 | 6 | 4 | 4 | 5 | 4 | 3 | 2 | 3 | 2 | 2 | 3 | 3 |
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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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