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Surf Forecasts:
Barmouth surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 am Wednesday 10 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 1.4°C colder than average for this time of year)How big are the waves at Barmouth today?
The current surf forecast for Barmouth at 6PM is: 1.6m 12s primary swell from a West-southwest direction (forecast issued at 11:00am December 10). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Dec) | 7.5ft (2.3m) | 8s |
| Afternoon (10 Dec) | 5.5ft (1.7m) | 12s |
| Evening (10 Dec) | 5ft (1.6m) | 11s |
Table - waves today at Barmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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) (?) | 8 | 12 | 12 | 12 | 11 | 11 | 7 | 8 | 9 | 10 | 10 | 11 | 10 | 13 | 13 | 14 | 14 | 13 | 13 | 13 | 18 | 10 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 704 | 1077 | 789 | 698 | 626 | 589 | 260 | 433 | 508 | 554 | 614 | 698 | 627 | 757 | 465 | 390 | 352 | 282 | 394 | 142 | 160 | 73 | 75 | 140 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross | glass | glass | on | on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 11:56AM 4.71 | 12:27AM 4.14 | 12:47PM 4.44 | 1:20AM 3.87 | 1:42PM 4.17 | 2:21AM 3.69 | ||||||||||||||||||
Low Tide / height (m) | 6:41AM 1.50 | 7:26PM 1.35 | 7:35AM 1.71 | 8:27PM 1.53 | 8:37AM 1.88 | 9:37PM 1.64 | ||||||||||||||||||
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - |
 |  |  |  | | | | |  | | |  | |  | | |  | | | | |  |  | | |
Rain (mm) | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 3 | - | - | - | 1 | 1 | 1 | - | - |
| Temp. °C | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 11 | 11 | 11 | 11 | 10 | 8 | 8 | 8 | 9 | 9 | 9 | 8 | 7 | 7 | 7 |
| Feels °C (?) | 2 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 7 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 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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