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Barmouth Surf Forecast
/ Wales – Mid (13 surf breaks) /
Surf Forecasts:
Barmouth surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Tuesday 12 May 2026 BSTForecast 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
12.3° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Barmouth today?
The current surf forecast for Barmouth at 7PM is: 0.4m 5s primary swell from a Northwest direction and 0.1m 8s secondary swell from a Southwest direction, 0.4m 4s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 1.5ft (0.4m) | 3s |
| Afternoon (12 May) | 2.5ft (0.8m) | 4s |
| Evening (12 May) | 2ft (0.6m) | 4s |
Table - waves today at Barmouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the NE by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 3 | NW 4 | WNW 4 | NW 5 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | NW 6 | WSW 6 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | W 15 | W 14 | W 14 | NW 6 | NW 7 | NW 6 | |
5 | 26 | 25 | 7 | 9 | 63 | 160 | 242 | 268 | 234 | 154 | 100 | 16 | 146 | 215 | 131 | 85 | 100 | 4 | 4 | 4 | 24 | 52 | 33 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | |
High Tide | 5:27PM3.75m | 5:51AM4.17m | 6:20PM4.15m | 6:42AM4.54m | 7:06PM4.54m | |||||||||||||||||||
Low Tide | 12:16PM1.39m | 00:41AM1.55m | 1:08PM1.16m | 1:32AM1.30m | 1:57PM0.98m | 2:22AM1.10m | ||||||||||||||||||
 |  |  | |  | |  |  | |  | | |  |  | | | | | | | | | | | |
 | 5:24 | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:20 | — |
 | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | — | — | 9:04 | — | — | — | 9:06 |
— | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | |
Temp °C | 10 | 11 | 12 | 11 | 10 | 9 | 8 | 8 | 8 | 10 | 11 | 10 | 8 | 8 | 8 | 8 | 9 | 11 | 11 | 11 | 8 | 7 | 7 | 8 |
5 | 4 | 6 | 6 | 5 | 1 | -1 | -1 | -1 | 1 | 3 | 3 | 1 | 1 | 1 | 3 | 2 | 4 | 5 | 6 | 5 | 4 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 8 | NW 5 | SW 8 | — | — | — | — | W 16 | W 16 | WSW 7 | WSW 6 | WSW 6 | W 16 | W 16 | W 15 | W 15 | SW 6 | SW 6 | SW 5 | NW 6 | W 14 | W 6 |
 kJ | 3 | 3 | 3 | 7 | 3 | — | — | — | — | 5 | 5 | 26 | 16 | 4 | 5 | 5 | 5 | 4 | 1 | 1 | 1 | 24 | 4 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 8 | — | — | — | — | — | — | — | W 16 | W 16 | W 16 | — | W 16 | W 16 | — | W 15 | W 14 | W 14 | — | W 14 | W 14 |
| kJ | — | — | — | 3 | — | — | — | — | — | — | — | 5 | 5 | 5 | — | 5 | 5 | — | 4 | 4 | 4 | — | 4 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | — | — |
| kJ | — | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | W 3 | NW 4 | WNW 4 | WSW 4 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | WNW 7 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 5 | NW 5 | NW 6 | — | NW 7 | NW 6 |
| kJ | 5 | 26 | 25 | 5 | 9 | 63 | 160 | 242 | 268 | 234 | 154 | 100 | 77 | 146 | 215 | 131 | 85 | 100 | 60 | 40 | 29 | — | 52 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 297 | 297 | 383 | 299 | 298 | 291 | 298 | 298 | 643 | 902 | 898 | 898 | 560 | 560 | 281 | 281 | 289 | 289 | 333 | 308 | 16 | 126 | 26 | 333 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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