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Surf Forecasts:
Barmouth surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 am Monday 08 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
9.2° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Barmouth today?
The current surf forecast for Barmouth at 1PM is: 1.4m 11s primary swell from a Southwest direction and 0.2m 20s secondary swell from a West-southwest direction, 0.2m 20s secondary swell from a West-southwest direction (forecast issued at 11:00am December 08). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 5.5ft (1.7m) | 11s |
| Afternoon (08 Dec) | 5ft (1.5m) | 11s |
| Evening (08 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at Barmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 610 | 523 | 524 | 193 | 382 | 253 | 212 | 667 | 1428 | 1839 | 2124 | 1828 | 1289 | 1162 | 1112 | 980 | 746 | 680 | 560 | 467 | 503 | 439 | 134 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | on | cross- on | cross | cross- off | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 10:18AM 5.15 | 10:48PM 4.71 | 11:07AM 4.96 | 11:37PM 4.43 | 11:56AM 4.71 | 12:27AM 4.14 | ||||||||||||||||||
Low Tide / height (m) | 5:41PM 1.01 | 5:53AM 1.31 | 6:32PM 1.16 | 6:41AM 1.50 | 7:26PM 1.35 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | Thursday 11 | |||||||||||||||||||||
| Sunrise | 8:12 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - |
 | | |  | | |  |  | | | |  | |  | | |  |  | | | |  | |  | |
Rain (mm) | 1 | 1 | 2 | 2 | 2 | 2 | 11 | 8 | 4 | 3 | 1 | - | - | 1 | - | - | 2 | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 11 | 12 | 11 | 13 | 13 | 14 | 14 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 7 |
| Feels °C (?) | 7 | 7 | 6 | 8 | 10 | 8 | 6 | 5 | 5 | 4 | 3 | 3 | 4 | 5 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 5 | 5 | 3 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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