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Surf Forecasts:
Barmouth surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 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 5PM is: 1.7m 11s primary swell from a Southwest direction (forecast issued at 11:00am 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 (1.5m) | 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 | Sunday 14 | |||||||||||||||||||||
| 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) (?) | 9 | 10 | 10 | 11 | 13 | 13 | 13 | 14 | 14 | 13 | 13 | 18 | 18 | 18 | 10 | 10 | 5 | 6 | 8 | 8 | 8 | 8 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 508 | 566 | 680 | 663 | 760 | 732 | 563 | 497 | 390 | 282 | 357 | 803 | 854 | 768 | 220 | 243 | 94 | 202 | 382 | 515 | 527 | 498 | 523 | 535 |
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 | cross | cross- on | on | on | on | on | on | on | cross- on | cross- on | on | on | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 12:47PM 4.44 | 1:20AM 3.87 | 1:42PM 4.17 | 2:21AM 3.69 | 2:45PM 3.99 | 3:33AM 3.66 | ||||||||||||||||||
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 | Sunday 14 | |||||||||||||||||||||
| Sunrise | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - |
 |  | |  | |  | | |  | | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 5 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 |
| Temp. °C | 10 | 11 | 12 | 12 | 11 | 11 | 9 | 9 | 8 | 10 | 10 | 9 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 9 | 9 | 10 | 10 | 10 |
| Feels °C (?) | 3 | 4 | 5 | 6 | 5 | 7 | 5 | 7 | 6 | 7 | 6 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 3 | 2 | 2 | 3 | 3 | 4 |
- 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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