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Surf Forecasts:
Harlech surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Wednesday 29 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Harlech surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Harlech sea temperature is
11.7° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Harlech today?
The current surf forecast for Harlech at 8AM is: 0.1m 13s primary swell from a West direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 12:00am April 29). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 0.5ft (0.1m) | 13s |
| Afternoon (29 Apr) | 0.5ft (0.1m) | 13s |
| Evening (29 Apr) | 0.5ft (0.1m) | 12s |
Table - waves today at Harlech. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Thu afternoon, min 6°C on Tue night). Winds decreasing (strong winds from the E on Wed afternoon, calm by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | |
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | off | off | cross | cross-on | cross-on | glassy | glassy | |
High Tide | 7:22AM4.01m | 7:45PM3.89m | 8:01AM4.15m | 8:21PM4.08m | 8:37AM4.22m | 8:56PM4.20m | ||||||||||||||||||
Low Tide | 2:12AM0.72m | 2:37PM0.44m | 2:50AM0.60m | 3:10PM0.43m | 3:24AM0.53m | 3:40PM0.48m | ||||||||||||||||||
 | |  | | | | | | | | | | | |  | | | | | |  | | |  | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:38 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:43 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 7 | 6 | 7 | 11 | 15 | 16 | 13 | 10 | 9 | 8 | 9 | 13 | 17 | 18 | 16 | 12 | 10 | 10 | 11 | 15 | 15 | 14 | 12 | 12 |
2 | 0 | 1 | 5 | 7 | 8 | 5 | 3 | 3 | 2 | 3 | 7 | 11 | 13 | 12 | 9 | 6 | 6 | 7 | 13 | 13 | 12 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
 kJ | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | W 13 | W 13 | W 8 | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 5 | SW 4 | SW 4 | SW 4 |
| kJ | — | — | 3 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | E 3 | E 3 | E 3 | E 3 | E 3 | E 4 | E 4 | E 3 | E 3 | ESE 3 | ESE 4 | ESE 4 | SE 4 | ESE 4 | SE 3 | ESE 3 | ESE 3 | ESE 2 | — | — | — | — | — |
| kJ | — | 2 | 4 | 3 | 7 | 11 | 17 | 9 | 5 | 8 | 9 | 11 | 17 | 14 | 8 | 2 | 1 | 1 | 1 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 130 | 305 | 305 | 305 | 308 | 308 | 292 | 305 | 306 | 306 | 308 | 331 | 316 | 329 | 128 | 128 | 186 | 140 | 131 | 190 | 140 | 284 | 284 | 255 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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